MTD 140-840-000 User manual

$ 1 .
OWNEirS GUIDE
ASSEMBLY • OPERATION • MAINTENANCE • PARTS
PRINTED IN U.S.A.

INDEX
Slope Gauge.3
Contents of Hardware Pack.4
Rules for Safe Operation.5
Assembly.6
Controls.10
Operation.12
Adjustments.13
Lubrication.15
Maintenance.15
Off-Season Storage.18
Trouble Shooting Guide.19, 20
Illustrated Parts for Tractor.21-27
Illustrated Parts for Transaxle.28, 29
Electrical Diagram and Parts List .30
Parts Ordering Information.Back Cover
Dear Customer,
So often throughout the year we are all in a
rush to meet our daily obligations.
However, we at MTD Products Inc are tak¬
ing a quick moment out to say...
“Thank you for your business.’’
Sincerely,
MTD PRODUCTS INC
A INSTRUCTIONS GIVEN WITH THIS SYM¬
BOL ARE FOR PERSONAL SAFETY. BE
SURE TO FOLLOW THEM.
WARNING: This unit is equipped with an internal combustion engine and should not be used on or near any unim¬
proved forest-covered, brush-covered or gras? -covered land unless the engine’s exhaust system is equipped with
a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained
in effective working order by the operator.
In the State of California the above is require d by law (Section 4442 of the California Public Resources Code).
Other states may have similar laws. Federal la\ js apply on federal lands. A spark arrester for the muffler is available
through your nearest engine authorized service dealer or contact the MTD PRODUCTS, INC service department.
2

SLOPE GAUGE
(Keep this sheet in a safe place for future reference.)
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3
Do
not
mow
on
inclines
with
a
slope
In
excess
of
15
degrees
(a
rise
of
approximately
2
V
2
feet
every
10
feet).
A
riding
mower
could
overturn
and
cause
serious
injury.
If
operating
a
walk-behind
mower
on
such
a
slope,
it
is
extremely
difficult
to
maintain
your
footing
and
you
could
slip,
resulting
in
serious
injury.
Operate
RIDING
mowers
up
and
down
slopes,
never
across
the
face
of
slopes.
Operate
WALK-BEHIND
mowers
across
the
face
of
slopes,
never
up
and
down
slopes.

I
CONTENTS OF HARDWARE PACK
Remove this sheet from your owner’s manual and lay the hardware on the illustration for identification purposes.
Refer to the separate deck manual for any information concerning the deck. After assembly, keep the Slope Gauge
which is on the reverse side of this sheet fo' future use.
(Hardware pack may contai i extra items which are not used on your unit.)

N
IMPORTANT
RULES FOR SAFE OPERATION
THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY
AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE AHEMPTING
TO OPERATE YOUR UNIT. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE
THIS SYMBOL- HEED ITS WARNING.
A
▲
DANGER
Your unit was built to be operated according to the rules for safe operation in this manual. As with any
type of power equipment, carelessness or error on the part of the operator can result in serious injury.
If you violate any of these rules, you may cause serious injury to yourself or others.
1. READ THIS OWNER’S MANUAL carefully in its entirety before at¬
tempting to assemble or operate this. unit. Keep this manual in
a safe place for future and regular reference and for ordering
replacement parts.
2. This unit is a precision piece of power equipment, not a plaything.
Therefore exercise extreme caution at all times.
3. Know the controls and how to stop the machine quickly.
4. Do not allow children to operate vehicle. Do not allow adults to
operate it without proper instruction. Only persons well acquainted
with these rules of safe operation should be allowed to use your
mower.
5. Wear sturdy, rough-soled work shoes and close-fitting slacks and
shirts to avoid entanglement in the moving parts. Never operate
a unit in bare feet, sandals, or sneakers.
6. To prevent injury, do not carry passengers or give rides. Keep
children, pets and bystanders out of the area while mowing. Only
the operator should ride on the unit and only ride In the seat.
7. Check overhead clearance carefully before driving under power
lines, guy wires, bridges or low hanging tree branches, before
entering or leaving buildings, or in any other situation where the
operator may be struck or pulled from the unit, which could result
in serious injury.
8. To maintain control of the unit and reduce the possibility of upset
or collision, operate the tractor smoothly. Avoid erratic operation
and excessive speed.
9. Keep the area of operation clear of all persons, particularly small
children and pets. Stop engine when they are in the vicinity of
your mower. Although the area of operation should be complete¬
ly cleared of foreign objects, a small object may have been
overlooked and could be accidently thrown by the mower in any
direction and cause injury to you or a bystander.
10. Always wear safety glasses or eye shields during operation or while
performing an adjustment or repair, to protect eyes from foreign
objects that may be thrown from the machine in any direction.
11. Stop the blade(s) when crossing gravel drives, walks or roads.
12. Disengage all attachment clutches and shift into neutral before
attempting to start engine.
13. Before leaving the operator’s position, disengage blade(s), place
shift lever in neutral, engage parking brake, shut engine off and
remove key.
14. Do not put hands or feet near or under rotating parts. Keep clear
of the discharge opening at all times as the rotating blade(s) can
cause injury.
15. Disengage power to attachment(s) and stop engine before mak¬
ing any repairs or adjustments. Disconnect the spark plug wire
and keep the wire away from the plug to prevent accidental starting.
16. Before attempting to unclog the mower or discharge chute, stop
the engine. The mower blade(s) may continue to rotate for a few
seconds after the engine is shut off. Therefore, be sure the blade(s)
have stopped completely. Disconnect the spark plug wire and keep
the wire away from the plug to prevent accidental starting.
17. Disengage power to attachment(s) when transporting or not in use.
18. For your safety, use the slope gauge included as part of this manual
to measure slopes before operating this unit on a sloped or hilly
area. If the slope is greater than 15“ as shown on the slope gauge,
do not operate this unit on that area or serious injury could result.
19. Do not stop or start suddenly when going uphill or downhill. Mow
up and down face of steep slopes; never across the face. Use
extreme caution if it is necessary to drive the tractor up an incline
or back the tractor down an incline because the front of the trac¬
tor could lift and rapidly flip over backward which could cause
serious injury.
20. Reduce speed on slopes and in sharp turns to prevent tipping or
loss of control. Always keep the tractor in low gear when going
down steep hills to take advantage of engine braking action. Choose
a low enough gear so that you will not have to stop or shift while
on the slope.
21. Stay alert for holes In terrain and other hidden hazards which may
cause the unit to tip over.
22. Use care when pulling loads or using heavy equipment.
A. Use only approved drawbar hitch points.
B. Limit loads to those you can safely control.
C. Do not turn sharply. Use care when backing.
D. Use counterweight(s) or wheel weights when suggested in
owner’s manual.
23. Watch out for traffic when crossing or near roadways.
24. When using any attachments, never direct discharge of material
toward bystanders nor allow anyone near vehicle while in operation.
25. Handle gasoline with care. It is highly flammable.
A. Use approved gasoline container.
B. Never remove cap or add gasoline to a running or hot engine
or fill fuel tank indoors. Wipe up spilled gasoline. Always use
original type vented cap.
C. Open doors if engine is run in garage. Exhaust fumes are
dangerous. Do not run engine indoors.
26. Never store the machine with fuel in the fuel tank inside a building
where ignition sources are present, such as hot water and space
heaters, clothes dryers, and the like. Allow the engine to cool before
storing in any enclosure.
27. To reduce fire hazard, keep engine and cutting deck free of grass,
leaves or excessive grease.
28. Keep the vehicle and attachments in good operating condition,
and keep safety devices in place. Use guards as instructed in
operator’s manual.
29. Keep all nuts, bolts, and screws tight to be sure the equipment
is in safe working condition.
30. The vehicle and attachments should be stopped and inspected for
damage after striking a foreign object. The damage should be
repaired before restarting and operating the equipment.
31. Do not change the engine governor settings or overspeed the
engine.
5

I
Rules for Salfe Operation (continued)
32. When using the vehicle with mower, proceed as fol ows:
(1) Mow only in daylight or in good artificial light.
(2) Never make a cutting height adjustment while engin i is running
if operator must dismount to do so.
(3) Shut the engine off and wait until the blade comes to i complete
stop before removing the grass catcher.
(4) Check blade mounting bolts for proper tightness at f equent in¬
tervals.
33. Check grass catcher bags frequently for wear or deterir ration. For
safety protection, replace only with new bag meeting orii jinal equip¬
ment specifications.
34. Look behind to make sure the area is clear before placing the
transmission in reverse and continue looking behind while back¬
ing up. Disengage blades before shifting into reverse and backing
UP;
35. This unit should not be driven up a ramp onto a trailer or truck
under power, because the unit could tip over, causing serious per¬
sonal injury. The unit must be pushed manually to load properly.
36. Check brake operation frequently. Adjust and service according
to brake adjustment instructions in this manual.
ASSEMBLY
This owner’s manual covers various models of tractors. The units illustrated may vary slightly from your
unit. Follow the instructions which pertain to your unit.
IMPORTANT: This unit is shipped W THOUT GASOLINE or OIL; however, a small amount of oil may
be present from the factory. Do not overfill. After assembly, service engine with gasoline
and oil as instructed ii the separate engine manual packed with your unit,
■ 1^ NOTE: Reference to right or l(!ft hand side of the unit is observed from the driver’s seat, fac¬
ing forward. Refer to the separate deck manual for all information concerning the deck.
UNPACKING
1. Remove the carton from the tractor as folio ws. Cut
and remove the bands around the carter. Open
the top flaps and remove all carton inserts. Lift the
carton off the tractor. Remove the deck from
beneath the tractor. Roll the tractor off tf e skid.
Make certain all parts and literature have been
removed from the carton before the certon is
discarded.
2. Remove page four from this manual and lay the
contents of the hardware pack on the illuiitration
for identification.
BATTERY INFORMATION
A WARNING
A. B attery acid must be handled with great c are as
contact with it can burn and blister the skin. Ii is also
advisable to wear protective clothing (goggkss, rub¬
ber gloves and apron) when working with t.*
B. Should battery acid accidentally splatter into the
eyes or onto the face, rinse the affected area im¬
mediately with clean, cold water. If there is any
further discomfort, seek prompt medical attention.
C. If acid spills on clothing, first dilute it with clean
water, then neutralize with a solution of ammonia/
water or baking soda/water.
D. Since battery acid is corrosive, do not pour it into
any sink or drain. Before discarding empty elec¬
trolyte containers, rinse them with a neutralizing
solution.
E. NEVER connect or disconnect charger clips to bat¬
tery while charger is turned on as it can cause
sparks.
F. Keep all lighted materials (cigarettes, matches,
lighters) away from the battery as the hydrogen gas
generated during charging can be combustible.
G. As a further precaution, only charge the battery in
a well-ventilated area.
*Always shield eyes, protect skin and clothing
when working near batteries.
6

FIGURE 1. ^
0U\
FIGURE 2.
A DANGER
Battery contains sulfuric acid. Refer to warning
on page 6. Antidote: EXTERNAL—Flush with water.
INTERNAL—Drink large quantities of water or milk.
Follow with milk of magnesia, beaten egg or
vegetable oil. Seek prompt medical attention. EYES:
Flush with cool water for at least 15 minutes, then
seek immediate medical attention.
Since batteries produce explosive gases, keep all
lighted materials (cigarettes, lighters, matches,
etc.) away. Be sure to charge battery only in well-
ventilated areas.
KEEP BATTERIES
OUT OF THE REACH OF CHILDREN!
ACTIVATING THE BATTERY
Do not activate battery (fill with battery acid) until
battery is actually placed in service. Be certain to
read previous warnings before activating the
battery.
1. Open the battery pack. Be careful not to puncture
the box. It contains the battery with a long plastic
tube attached, battery fluid (acid) in a cardboard
container and one cone. /
2. Place the battery on a table or workbench. Make
certain the lohg plastic drain tube is in place on
the vent elbow.
3. Remove the six fill caps from the top of the bat¬
tery with a screwdriver. Be careful not to damage
-the fill caps. Sete figure 1.
4. Cut off the tip of\the cone for use as a funnel.
5. Place the batteryyiuid container upright on the
table or workbench. Carefully remove the flap on
the box, and pull ol^it the plastic tube. Cut off the
tip of the plastic tube^^ Dp not squeeze the container
when cutting the tip\
6. Fill each battery cell ^pwly and carefully to the split
-ring at the bottom o/t the well. See figure 2. Use
caution as the acid/lev)pl will rise rapidly after the
bottom of the cell /s filfed. DO NOT OVERFILL.
f \
7. Allow battery to stand fPr 30 minutes with the fill
caps removed, vyhile the'plates absorb acid.
8. If acid level has pllen after’^he 30 minute standing
period, refill each cell with ^attery acid to the split
ring. Replace me fill caps. \
9. Before discarding the empty ^ntainer, neutralize
any residue With baking soda apd rinse container
with water, y Puncture container several times
before discarding. \
10. C harge the battery after the 30 r^inute standing
period. SLOW CHARGE THE BATTERY (DO NOT
FAST CHARGE) at a maximum bench rate of 5
amperep until the specific gravity reading is 1.265
(approximately 30 minutes).
NOTE: This engine is equipped with an alternator. The
current for the battery charger alternator is unregulated.
During normal operation, it is only necessary to charge
the battery:
1. When it is activated for the first time.
2. Before winter storage.
3. Before using the tractor after winter storage.
NOTE: Charging rate after battery has been put into
operation—the battery is to be charged for a period of
14-16 hours. NO LONGER THAN 30 HOURS.
After battery has been charged, add only distilled
water. Do not add acid.
7

I
Self-Tapping
Screws
SEAT ASSEMBLY (Hardware A)
Place the seat in position against the seat pivot bracket,
lining up the slotted holes in the pivot bracket with the
holes in the seat. Select desired position for the seat,
■ and secure with hex self-tapping screws. See figure 3.
STEERING WHEEL INSTALLATION (Hardware B)
1. T here are four height positions for the steering
wheel. For shipping purposes, the steering shaft
is assembled in the lowest position. Lift the hood
of the tractor. Remove the hex bolt and hex lock
nut on the steering shaft. Raise the shaft to desired
position and secure with hex bolt and hex lock nut.
-See figure 4.
FIGURE 5.
2. Attach one end of the plastic steering bellow to the
-steering wheel as shown in figure 5, inset.
3. Position the front wheels of the tractor so they are
pointing straight forward.
4. Place the steering wheel (with steering bellow at¬
tached) over the steering shaft extending through
the dash, positioning steering wheel as desired.
5. Place the washer with the cupped side down over
the steering shaft. Secure with 5/16" hex lock nut.
See figure 5.
6. Place the steering wheel cap over the center of the
steering wheel and seat it with your hand.
8

Negative (-)
FIGURE 6.
INSTALLING THE BATTERY (Hardware C)
NOTE: The positive battery terminai is marked Pos. (+).
The negative battery terminal is marked Neg. (-).
1. Place the battery on the battery plate with the ter¬
minals towards the rear of the tractor.
2. Attach the positive cable (heavy red wire) to the
positive battery terminal (-i-) with hex bolt and hex
-nut provided with battery. See figure 6.
3. Attach the negative cable (heavy black wire) to the
negative battery terminal (-) with the other hex
bolt and hex nut.
4. Attach one push nut to each battery hold-down rod.
—See figure 7, inset.
5. Hook one hold-down rod into the hole in battery
plate beside the battery as shown in figure 7. Slide
the push nut down the rod, against the battery
plate. Place the black plastic battery cover in posi¬
tion over the hold-down rod. Secure with wing nut.
6. Attach other hold-down rod to the other side of bat¬
tery cover in the same manner.
7.-Route the battery drain tube over to the left side
of the tractor. Slip the end of the drain tube into
the mounting clamp provided in hardware pack.
Secure the mounting clamp to the tractor frame us-
-ing the self-tapping screw as shown in figure 8.
NOTE: The vented battery allows any gases or liquid
from the battery to be drained onto the ground.
FIGURE 8.
9

I
FIGURE 10.
FINAL ASSEMBLY
1. Optional foot pads: Position one foot pad on top
of the running board on the tractor, lining up the
studs on the bottom of pad with the holes in the
running board. Pull the studs through the holes in
the running board using a pair of pliers. Repeat
-on other side of tractor. See figure 9.
2. If your tractor is equipped with optional hub caps,
attach the four hub caps as follows.
a. Slide five mounting clips on each hub cap as
-shown in figure 10, with the tabs on the mount¬
ing clips facing outward.
b. Line up hub caps with wheel rims. Push hub
caps on by hand.
3. Make certain all nuts and bolts are tightened
securely.
TIRE PRESSURE
The tires on your unit may be over-inflated for shipping
purposes. Reduce the tire pressure before operating
the unit. Recommended operating tire pressure is ap¬
proximately 12 p.s.i. (check sidewall of tire for tire
manufacturer’s recommended pressure).
A WARNING: Maximum tire pressure under
any circumstances is 30 p.s.i. Equal tire
pressure shouid be maintained on all tires.
CONTROLS
IGNITION SWITCH
The ignition switch is located on the dashboard. Turn
the key to the START position to start the engine. When
the engine is running, leave the key in the OM posi¬
tion. To stop the engine, turn the key to the OF F posi¬
tion. See figure 11.
A WARNING: Remove the key from th e trac¬
tor when the tractor is not in use to pre¬
vent accidental starting.
THROTTLE CONTROL
The throttle control is located on the left side of the
dashboard and is used to regulate the engine speed.
See figure 11. The engine should be operated from 3/4
to full throttle (FAST) when operating any equipment
that uses the tractor engine as a source of power such
as the mowing deck, snow thrower or rotary tiller.
CHOKE CONTROL
The choke control is located on the right side of the
dashboard and is operated manually. Details for the
choke operation are covered in the separate engine
manual packed with your unit. See figure 11.
10

FIGURE 11 A.—Models 843 and 848 Shown
FIGURE 11B.—Models 842 and 847 Shown
LIGHT SWITCH
The head lamps are operated by pushing the light
switch located on the dashboard. The head lamps will
only operate when the engine is running. See figure 11.
AMMETER
The ammeter registers the rate of battery charge or
discharge. The ammeter will register on the discharg¬
ing side when starting the engine. It should register on
the opposite side (charging) when the engine is run¬
ning in the fast position until the battery is completely
charged. With a fully charged battery or with the engine
idling, the ammeter wiii not show a charge. See figure
11 .
CLUTCH-BRAKE PEDAL
The clutch-brake pedal is located on the left side of the
tractor. See figure 11. Depressing the clutch-brake
pedal partway disengages the clutch. Pressing the
pedal all the way down disengages the clutch and
engages the disc brake.
NOTE: The clutch-brake pedal must be depressed to
start the engine.
SHIFT LEVER
The shift iever is located in the center of the console
and has four positions, HIGH, LOW, NEUTRAL and
REVERSE. See figure 12. The clutch-brake pedal must
be depressed and the lawn tractor must not be mov¬
ing when shifting gears. Do not force the shift lever.
Release the clutch-brake pedal slightly to line up the
shifting coilar in the transmission. Then try to shift
gears.
PARKING BRAKE
To set the parking brake, depress the clutch-brake
pedal and pull up the parking brake knob. It will stay
in the raised position. To release the parking brake,
depress and release the clutch-brake pedal. See figure
12.
NOTE: The parking brake must be set if the operator
leaves the seat with the engine running.
SPEED CONTROL LEVER
The speed controi lever is located on the left fender.
It allows you to regulate the ground speed of the lawn
tractor. See figure 13. To select the ground speed,
depress clutch pedal. Push speed control lever outward
and move backward to slow lawn tractor, move forward
to increase speed. When desired speed has been ob¬
tained, release lever in that position. Whenever clutch
is engaged, unit will automatically go to the pre-set
speed.
11

I
LIFT LEVER
The five position lift lever is used to chan ge the
operating position of the attachments. To operate, pull
the lever towards you. To release, move the hsver to
the right and then forward. See figure 11.
POWER TAKE-OFF (PTO) LEVER
The PTO lever is located on the right side of the
dashboard. The PTO lever is used to engage and
disengage the power to the attachments. To engage
the PTO, lift the lever slowly and lock it into the notch.
See figure 11.
NOTE: The PTO lever must be in the disengaged posi¬
tion (down) when starting the engine when shifting into
reverse and if the operator leaves the seat.
OPERATION
CAUTION
' READ OPERATOR'S MANUAL(S) • NEVER CARRY CHILDR
' KNOW LOCATION AND FUNCTION OF ALL CONTROLS
' KEEP SAFETY DEVICES (GUARDS. SHIELDS AND SWyiTCH
IN PLACE AND WORKING
■ REMOVE OBJECTS THAT COULD BE THROWN BY BLADE(
■ DO NOT OPERATE THE UNIT WHEN CHILDREN AND OTHE
ARE AROUND
' ALWAYS LOOK BEHIND THE UNIT BEFORE BACKING UP
‘ DO NOT OPERATE THE UNIT WHERE IT COULD SLIP OR '
IF THE UNIT STOPS GOING UPHILL. STOP BLADE(S) AND BA
SLOWLY DOWNHILL
BE SURE BLADE(S) AND ENGINE ARE STOPPED BEFORE PL/
ING HANDS OR FEET NEAR BLADE(S)
BEFORE LEAVING OPERATOR'S POSITION. DISENGAGE T
BLADE(S), PLACE THE SHIFT LEVER IN NEUTRAL. ENGAGE T
PARKING BRAKE. SHUT ENGINE OFF AND REMOVE THE Kt
GAS AND OIL FILL-UP
Service the engine with gasoiine and oil as insi ructed
in the separate engine manual packed with yoi r trac¬
tor. Read instructions carefully.
The gasoline tank is located under the seat. The filler
neck is behind the seat. Do not overfill.
NOTE: Your tractor is shipped without oil; howvver, a
small amount of oil may be present from the facte ry. Do
not overfill.
A WARNING: Never fill fuel tank indoors,
with engine running or while engine is hot.
STARTING THE ENGINE
IMPORTANT: This unit is equipped with a sahity in¬
terlock system for your protection. The purpose of the
safety interlock system is to prevent the engine; from
cranking or starting unless the clutch-brake pddal is
depressed and the PTO lever is in the disengaged posi¬
tion. In addition, the PTO lever must be in the disen¬
gaged position when the unit is put into reverse or the
engine will shut off. If the operator leaves the seat with
the PTO lever engaged and/or without setting tho park¬
ing brake, the engine will shut off.
A WARNING: Do not operate the tractor if the
interlock system is malfunctioning be¬
cause it is a safety device, designed for
protection.
1. P lace the PTO lever in the disengaged (down)
position.
2. D epress the clutch-brake pedal and set the park¬
ing brake.
3. P lace the shift lever in the NEUTRAL position.
4. S et the throttle control in the FAST position.
5. P ull out the choke control (a warm engine may not
require choking).
6. T urn the ignition key to the right to the START posi¬
tion. After the engine starts, release the key. It will
return to the ON position.
7. S lowly push in the choke as the engine warms up.
STOPPING THE ENGINE
Turn the ignition key to the left to the OFF position.
Remove the key to prevent accidental starting.
IMPORTANT: If you strike a foreign object, stop the
engine. Remove wire from spark plug, thoroughly in¬
spect the unit for any damage, and repair the damage
before restarting and operating the mower.
NOTE: If any problems are encountered, refer to the
Trouble Shooting Chart on page 19.
OPERATING THE TRACTOR
1. S tart the engine as instructed previously.
2. M ove throttle control to % or full throttle to prevent
strain on the engine and to operate attachments.
3. P lace the shift lever in one of the two forward posi¬
tions (LOW or HIGH), or in REVERSE. Place the
speed control lever in desired position. Use first
speed position when operating the tractor for the
first time.
A WARNING: Look to the rear before back¬
ing up.
12

4. Release the parking brake by depressing the
clutch-brake pedal. Release clutch-brake pedal
slowly to put unit into motion.
5. The tractor is brought to a stop by depressing the
clutch-brake pedal.
6. The cutting blades (or other attachment) may be
engaged while the tractor is moving or standing
stiii. DO NOT engage the cutting biades abruptly
as the sudden belt tension on the pulley may cause
the engine to stall.
A WARNING: Keep feet and hands away from
the discharge opening, the blades or any
part of the deck.
NOTE: When operating the unit initially, there will be little
difference between the highest two speeds until after
the belts have seated themselves into the pulleys dur¬
ing the break-in period. Be certain to change oil in the
crankcase after the first 5 hours of operation.
Be sure that the lawn is clear of stones, sticks, wire,
or other objects which could damage tractor or engine.
For best results and to insure more even grass distribu¬
tion, do not mow when lawn is excessively wet.
A WARNING: Before leaving the operator’s
position for any reason, disengage the
blades, place the shift lever in neutral,
engage the parking brake, shut engine off
and remove the key.
When stopping the unit to empty a grass bag, etc.,
follow the instructions above. This procedure will also
eliminate “browning” the grass, which is caused by hot
exhaust gases from a running engine.
If unit stalls with speed control in sixth or seventh
speed, or if unit wiil not operate with speed control lever
in first or second speed position, proceed as follows.
1. P lace shift iever in NEUTRAL.
2. R estart engine.
3. P lace speed control lever in seventh speed
position.
4. R elease clutch-brake pedal fully.
5. D epress clutch-brake pedal.
6. P lace speed control lever in desired position.
7. P lace shift iever in one of the forward positions
(HIGH or LOW) or REVERSE, and follow normal
operating procedures.
GRASS COLLECTOR Model 190-083 is available as
optional equipment for tractors with 46" mowing decks.
A WARNING: The mower should not be
operated without the entire grass catcher
or chute defiector in piace.
NOTE: Under normal usage bag material is subject to
wear, and should be checked periodically. Be sure any
replacement bag complies with the mower manufac¬
turer’s recommendations.
For replacement bags, use only factory authorized
replacement bag.
ADJUSTMENTS
A WARNING: Disconnect the spark plug wire
and ground against the engine before per¬
forming any adjustments, repairs or
maintenance.
SEAT ADJUSTMENT
To adjust the position of the seat, loosen the four self¬
tapping screws on the bottom of the seat. See figure
3. S lide the seat forward or backward as desired.
Retighten the self-tapping screws.
SPEED CONTROL ADJUSTMENT (See figure 14)
NOTE: When operating the unit initially or after replac¬
ing the belts, there will be little difference between the
sixth and seventh speeds until after the belts have gone
through a break-in period and have seated themselves
into the pulleys.
If speed control adjustment is needed, adjust the speed
control links as follows. (A shim or suitable spacer
is required.)
1. S tart the engine.
2. P lace the shift iever in NEUTRAL position.
3. P lace the speed control lever in seventh speed
position.
4. R eiease the clutch-brake pedal completely, then
slowly depress the pedal all the way (to park posi¬
tion). Hold the pedal in this position.
5. T urn the engine off.
6. A fter engine stops completely, release the clutch-
brake pedal.
7. D isconnect the rear speed control link from the
variable speed torque bracket by removing the cot¬
ter pin and flat washer.
8. P lace the speed control lever in the first position.
9. D isconnect the front speed control link from the
variable speed torque bracket by removing the cot¬
ter pin and flat washer.
10. P lace a 1/2" shim or other suitable object under
the point on the bracket on the clutch-brake pedal
as shown.
13

Speed
ControU
Lever
Rear Speed
Control Link
Clutch-Brake
Pedal
I - ,r
Point on
Bracket
Variable Speed
Torque Bracket
Assembly
\ yse
Shim
,fiK
FIGURE 14.
11. Thread the front speed control link in or oul of the
ferrule until the hole in the link lines up w th the
pin on the variable speed torque bracket, {iecure
with the flat washer and cotter pin removed n step
9.
12. Push the rear speed control link backward using
light pressure, and hold it in this position us you
thread it into or out of the ferrule until the hole in
the link lines up with the pin on the variable speed
torque bracket. Then turn the link clockwi.se two
more times (making it longer).
13. Move the speed selector toward the right so the
hole in the rear speed control link fits over the pin
on the variable speed torque bracket. Secui e with
the flat washer and cotter pin removed in jtep 7.
s/ ^ ^
14. Remove the 1/2" shim from beneath the b acket
on the clutch-brake pedal.
LEVELING THE DECK
1. Check tire pressure in all four tires. Recomm snded
pressure is approximately 12 p.s.i.
2. Make certain all deck wheels are mounted in same
relative location.
3. On a level surface, engage the PTO and low er the
deck until it reaches the ground.
All four deck wheels should reach the ground at
the same time. If they do not, adjust the dec < links
as necessary.
NOTE: When adjusting the deck links, disengage the
PTO. Remove the hairpin clip and washer from the weld
bolt. Thread eyebolt up or down the link as necessary,
and reassemble.
4. R aise the deck V 2 " to 1" above the ground.
Check to be certain the distance from the bottom
edge of the deck to the ground is the same on both
sides of the deck. If it is not, adjust the links on
the left side of the unit.
Check to be certain the front of the deck is 1/4"
to 3/8" lower than the rear of the deck. If it is not,
adjust the two front links to obtain this distance.
STEERING WHEEL ADJUSTMENT
There are four height positions for the steering wheel.
To adjust the height of the steering wheel, remove the
hex bolt and hex lock nut on the steering shaft. Place
the steering wheel in the position desired and secure
with hex bolt and hex lock nut. Refer to figure 4.
NOTE: When raising the height of the steering wheel,
stretch the steering bellow to cover the steering shaft.
The steering shaft may also be adjusted if there is too
much play between the steering gear and segment. To
adjust, loosen the hex bolt and nut on the front of the
bearing retainer bracket. See figure 15. Pry the bear¬
ing retainer bracket toward the right until the steering
gear engages solidly into the teeth of the steering seg¬
ment. Retighten the hex bolt and nut.

BRAKE ADJUSTMENT (See figure 16)
The brake is located on the left side of the transaxle.
During normal operation of this machine, the brakes
are subject to wear and will require periodic examina¬
tion and adjustment.
A WARNING: Do not adjust the brake while
the engine is running. Be sure to block the
wheels of the tractor before making the
brake adjustment.
To adjust the brake, remove the cotter pin. Adjust the
castle nut so the brake starts to engage when the brake
lever is 1/4" to 5/16" away from the axle housing.
Brake
FIGURE 16.
CARBURETOR ADJUSTMENTS
WARNING: If any adjustments are made to
the engine while the engine is running
(e.g. carburetor), disengage all clutches
and blades. Keep clear of all moving parts.
Be careful of heated surfaces and muffler.
Minor carburetor adjustments may be required to
compensate for differences in fuel, temperature,
altitude and load. Refer to separate engine manual
for carburetor adjustment information.
NOTE: A dirty air cieaner wili cause an engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor.
LUBRICATION
WARNING: Always stop engine and
disconnect spark plug wire before clean¬
ing, lubricating or doing any kind of work
on lawn tractor.
STEERING GEARS
Lubricate teeth of steering gears with automotive multi¬
purpose grease after every 25 hours of operation or
once a season. Refer to figure 15.
STEERING SHAFT
Lubricate steering shaft at least once a season with light
oil.
TRANSAXLE
The transaxle is lubricated and sealed at the factory
and does not require checking. If disassembled for any
reason, lubricate with 16 oz. of Benalene grease
#372-0, part number 737-0223.
LINKAGE
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
WHEELS
The front wheels are provided with grease fittings. The
rear wheels must be removed from the axle for lubrica¬
tion. Lubricate at least once a season with automotive
multi-purpose grease.
PIVOT POINTS
Lubricate all pivot points with light oil at least once a
season.
BALL JOINTS
The ball joints and drag link ends are permanently
lubricated.
MAINTENANCE
A WARNING: Disconnect the spark plug wire
and ground against the engine before per¬
forming any adjustments, repairs or
maintenance.
TROUBLE SHOOTING
Refer to the chart on pages 19 and 20 for trouble
shooting engine problems.
15

I
CRANKCASE OIL
Check the oil level in the crankcase before each use
of the machine and after every two hours of operation.
Oil level should be maintained as instructed in the
separate engine manual.
After the first two hours of operating a new engir e, drain
the oil from the crankcase while engine is still hot and
refill crankcase with new oil; thereafter changa the oil
after every 25 hours of operation. Refer to the engine
manual.
FUEL FILTER
Your unit is equipped with a replaceable in-l ne fuel
filter. Replace filter whenever contamination or
discoloration is noticed. Order replacement filter
through your authorized engine service dealt r.
WHEEL ADJUSTMENT
The caster (forward slant of the king pin) £ nd the
camber (tilt of the wheels out at the top) requirt ^ no ad¬
justment. Automotive steering principles hav 3 been
used to determine the caster and camber on the trac¬
tor. The front wheels should toe-in 1/8 inch.
To adjust the toe-in, follow these steps.
1. Remove the hex nut and lock washer, ar d drop
the end of the tie rod from the axle brack 3t. See
figure 17.
2. Loosen the hex jam nut on tie rod.
3. Adjust the tie rod assembly for correct toe-in.
Ball Joint
FIGURE 17.
Dimension “B” should be approximately 1/8" le jsthan
Dimension “A.” See figure 18. To increase Dimension
“B,” screw tie rod into tie rod end. To decrease Dimen¬
sion “B,” unscrew tie rod from tie rod end. Reassem¬
ble tie rod. Check dimensions. Readjust if necessary.
FIGURE 18.
DRAG LINK
If the drag link or ball joints are changed, the new
assembly must be adjusted to the exact same length
as the original. If adjusted incorrectly, it will allow the
tractor to turn sharper one direction than the other.
To take off the drag link, remove the nuts and lock
washers holding the ball joint to the steering gear and
right front axle bracket. See figure 17.
ENGINE
Refer to separate engine manual for all engine main¬
tenance procedures.
MAINTENANCE OF BATTERY
1. Check electrolyte level periodically (at least every
two weeks). Keep the level to the split rings. Use
only distilled water or a good quality drinking water.
Never add acid or any other chemicals to the bat¬
tery after initial activation.
2. The battery should be checked with a hydrometer
after every 25 hours of operation. If the specific
gravity is less than 1.225, the battery should be
recharged. Maximum charge rate 5 AMPS.
3. Coat the terminals and exposed wire with a thin
coat of grease or petroleum jelly for longer service
and protection against corrosion.
4. The battery should be kept clean. Any deposits of
acid should be neutralized with soda and water.
Be careful not to get this solution in the cells.
5. Avoid tipping the battery. Even a "sealed” battery
will leak electrolyte when tipped.
STORAGE OF THE BATTERY
1. Charge battery using normal methods. NEVER
store discharged battery as it will not recover.
2. When storing battery for extended periods, discon¬
nect battery cables. Removing battery from unit is
recommended.
3. Store in cold, dry place.
16

4. R echarge battery whenever the specific gravity is
less than 1.225, before returning to service, or
every two months, whichever occurs first.
BATTERY REMOVAL OR INSTALLATION
A WARNING: When removing the battery,
follow this order of disassembly to prevent
your wrench from shorting against the
frame.
1. R emove the Negative cable.
2. R emove the Positive cable.
To install a battery;
1. A ttach the Positive cable.
2. A ttach the Negative cable.
JUMP STARTING
1. Attach the first jumper cable from the Positive ter¬
minal of the good battery to the Positive terminal
of the dead battery.
2. Attach the second jumper cable from the Negative
terminal of the good battery to the FRAME OF THE
UNIT WITH THE DEAD BATTERY.
A WARNING: Failure to use this starting pro¬
cedure could cause sparking, and the
gases in either battery could explode.
TIRES
Recommended operating tire pressure is approximately
12 p.s.i. (check sidewall of tire for tire manufacturer’s
recommended pressure). Maximum tire pressure under
any circumstances is 30 p.s.i. Equal tire pressure
should be maintained on all tires.
When installing a tire to the rim, be certain rim is clean
and free of rust. Lubricate both the tire and rim
generously. Never inflate to over 30 p.s.i. to seat beads.
■ v. yy WARNING: Excessive pressure (over 30
p.s.i.) when seating beads may cause
tire/rim assembly to burst with force suf¬
ficient to cause serious injury.
BELT REPLACEMENT
Front Drive Beit
1. Depress the clutch pedal and set parking brake.
2. Remove the deck from the tractor.
3. Raise and block the front wheels of the tractor so
you can work under it.
4. Remove the four self-tapping screws which hold
the belt keeper assembly to the frame at the engine
pulley. Push the belt keeper assembly fonward, out
of the way. See figure 19.
5. Remove the two pins which act as belt keepers by
the variable speed pulley. See figure 20.
6. Roll the belt off the variable speed pulley, then
remove from the engine pulley.
7. Reassemble the new belt, following instructions in
reverse order.
Pins
Rear Drive Belt
1. First remove the front drive belt as instructed in
the previous section.
COMMON CAUSES FOR BATTERY FAILURE
1. Overcharging
2. Undercharging
3. Lack of water
4. Loose hold downs and/or corroded connections
5. Excessive loads
6. Battery electrolyte substitutes
7. Freezing of electrolyte
NOTE: These failures do not constitute warranty.
17

I
2. Disconnect the spring which secures the idler
pulley to the frame.
3. Remove the transmission cover by unscrewii ig the
two knobs, and removing two truss machine
screws.
4. Roll the belt over the top of the transmission p ulley.
Remove belt from the variable speed pulley.
5. Reassemble the new belt, following instructions in
reverse order.
OFF-SEASON STORAG E
If the machine is to be inoperative for a period longer
than 30 days, prepare for storage as follows.
1. C lean the engine and the entire unit thoroi ghiy.
2. Lubricate all lubrication points. Wipe the entire
machine with an oiled rag to protect the surfaces.
3. Refer to the engine manual for correct engine
storage instructions. The engine must be com¬
pletely drained of fuel to prevent gum deposits from
forming on essential carburetor parts, fuel lines
and fuel tanks.
4. Refer to battery storage instructions on page 16.
5. Store unit in a clean, dry area.
NOTE: When storing any type of power equipment in
an unventiiated or metai storage shed, care shouid be
taken to rustproof the equipment. Using a light oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
18

TROUBLE SHOOTING CHART FOR ELECTRIC START MODELS
TROUBLE
■ Engine will not
crank
LOOK FOR
Battery installed incor¬
rectly
Blown fuse or circuit
breaker
Battery is dead or weak
The battery must be installed with the negative terminal, identified at the terminal post by (Neg, N
or -), grounded. The positive terminal (Pos, P or +) attaches to the large cable from the solenoid.
The small red wire from the fuse holder or circuit breaker is also attached to the positive terminal.
Replace fuse with TVs amp. fuse 'A x 1 '/<" Ig. Circuit breaker will reset itself when it cools off. Fuses
or circuit breakers seldom open or fail without a reason. The problem must be corrected. Check for
loose connections in the fuse holder. Replace fuse holder if necessary. A dead short may be in the
cranking or charging circuit where the insulation may have rubbed through and exposed the bare
wire. Replace the wire or repair with electrician’s tape if the wire strands have not been damaged.
Note; Look for a wire pinched between body panels, burned by the exhaust pipe or muffler or rubbed
against a moving part.
Use a hydrometer to check the condition of the battery. The Specific Gravity (s.g.) should be 1.265
at 80°F. (1.215 s.g. minimum needed for cranking engine). The reason for the battery failing must
be determined. (1) Defective battery. Battery will not accept or hold a full charge. (2) Short circuit.
Check for grounded wire. (3) Charging system not working.
The charging system is an alternator located under the flywheel. It is unregulated and rated 3 amp.
at 3600 r.p.m. A diode (rectifier) is located in the output lead just before the wire harness plug on
the engine side.
Diode
Shrink
Tube
To Alternator ^
3 AMP DC
(Batt.)
7 AMP AC
(Lamps)
Black
Wire
Polarized
Plug
Mechanical failure
(Wires and switches)
Engine cranks
but will not start
Throttle or choke not in
starting position
No spark to spark plug
The diode changes A.C. to D.C. to charge the battery. A bad diode can either fail to charge the bat¬
tery or discharge the battery if the alternator is shorted as well as the diode. To test: (1) Disconnect
charger lead from the battery (small red wire). (2) Connect 12 V small test lamp between the 3 amp.
D.C. charge lead and the (X)sitive terminal of the battery. (3) With the engine off, the lamp should
not light. If it does, the diode and possibly the alternator should be replaced. (4) Start the engine.
The lamp should light. If it does not, the alternator (stator) or lead wire is bad and should be replaced.
The interlock system includes two mechanical activated switches which are wired in series in the
circuit used to energize the starter solenoid. While testing the interlock system, you will make the
mower temporarily unsafe by permitting the engine to be started with the blade and clutch engaged.
WARNING: While testing, disengage the clutch, shut off the blade control, set the parking brake and
place the gear shift lever in neutral. Attach a wire (minimum 18 gauge) to the positive terminal of the
battery and touch the other end to the small terminal on the solenoid. If the engine does not crank; (1)
There is a loose connection or poor ground. (2) The solenoid may be bad. The solenoid can be checKed
by using a heavy wire (#8 gauge minimum) and jumping between the two large terminals. If the engine
cranks, the solenoid is bad. (3) If the engine does not crank when you jump the solenoid, have the
starter motor tested by an authorized engine dealer. If the engine does crank, the problem is with
one of the safety switches, ignition switch or the wire between the fuse holder (or circuit breaker) and
the small terminal on the solenoid. Note; Look for a poor connection at the switches or a defective
switch. Replace if necessary.
Check owner's guide for correct position for throttle control and choke for starting.
Spark plug lead disconnected. Connect lead. Hold spark plug lead away from engine block about
1/8". Crank engine. There should be a spark. If not, have engine repaired at authorized engine ser¬
vice dealer.
Faulty spark plug. To test, remove spark plug. Attach spark plug lead to spark plug. Ground the spark
plug body against the engine block. Crank the engine. The spark plug should fire at the electrode.
Replace if it does not.
19

I
TROUBLE SHOOTING CHART FOR ELECTRIC START MODELS
TROUBLE
LOOK FOR REMEDY
No fuel to the carburetor
Gasoline tani empty. Fill.
Fuel line or in-line fuel filter plugged. Remove and clean fuel line. Replace filter if necessary.
Air filter dirty
If the air cleaner is dirty, the engine may not start. Clean or replace as recommended by the engine
manufacturer
Engine smokes
Engine loses crankcase
vacuum
Dipstick not seated or broken. Replace defective part.
Engine breatl ler defective. Replace.
Excessive
vibration
Bent or damaged blade
spindle
Stop engine immediately. Check all pulleys, blade adapters, keys and bolts for tightness
and damage. Tighten or replace any damaged parts.
Bent blade
Stop engine immediately. Replace damaged blade. Only use original equipment blades.
Mower will not
discharge
grass or leaves
uncut strips
Engine speed low
Transmission selection
Blades short or dull
Throttle must be set between 3/4 and full throttle.
Use lower transmission speed. The slower your ground speed, the better the quality of cut.
Sharpen or n iplace blades (uncut strip problem only).
20