Gravely 408 User manual

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FIGURE 1
INTRODUCTION
THANI( YOU for your investment in Gravely
equipment. I t is an investment, for your Gravely 408
will save you work
and worry for many years.
Numerous independent dealers and factory branch-
es handle Gravely equipment. All are ready to give
prompt and efficient service, with parts in stock and
personnel trained in factory-service methods.
Your Gravely 408 and attachments are warranted
under terms shown herein. To qualify for this War-
ranty' you must register your equipment by complet-
ing
the enclosed Registration Card and returning it.
For your own protection, please do this right away.
Your 408 will give you long years of highly satis-
factory
performance if maintained and operated as
outlined in this manual.
I t is important that you record the serial number
of your tractor. I t is located on the frame under the
seat and is 408- 'C I. ! 72.1 )b .
Also, it is important you record the model number,
specification number and number of the engine. They
are located on the plate on the engine blower housing
and are model number--+!-,,-<-,-/~KJ-'-,--i_S~ _
specification
number , and
serial number Please
refer
to these numbers in any correspondence with the
factory or dealer regarding this unit.
2

TABLE OF CONTENTS
Introduction 2
Specifications 3
Safety Precautions 4
Maintenance 5
Operation 6
A ttachmen ts 7
Warranty 8
Engine
Horsepower
Oil Capacity
Oil Recommendation
Summer
Winter
Transmission
Oil capacity & type ...
Speed Range (mph) ....
1 gear. . . . . . . . . . . . .
2 gear. . . . . . . . . . . . .
SPECIFICATIONS
Kohler K181 3
gear . 3.6 1.6
4 gear . 5.4 2.4
8 @ 3600 rpm
Tire size - front 13 x 5.00-6
212 pints
Pressure 12 psi
Tire size - rear 18 x 8.50-8
SAE 30 MS
SAE 5W20 MS
Pressure 6 psi
4 forward 4 reverse
Length 56.5 inches
3 qts. SAE 90W EP
Width 33 inches
Forward Reverse
Height 37 inches
1.6 .7
2.7 1.1
Net Weight 372lbs.
3

SAFETY PRECAUTIONS
READ THE OWNER'S MANUAL.
IT IS TOO LATE TO REMEMBER
WHAT SHOULD HAVE BEEN DONE
AFTER THE ACCIDENT HAS HAPPENED.
Recommended by Outdoor Power Equipment Institute
Many hours of lost time and much suffering can be caused by the failure
to practice simple safety rules.
1. Do not allow children to operate machine or adults to operate it without
proper instructions.
2. Clear work area of objects which might be picked up and thrown.
3. Know
the controls and how to stop quickly - READ THE OWNER'S
MANUAL.
4. Disengage all Clutches before starting the engine.
5. Don't direct the discharge of material toward bystanders.
6. Always stop the engine and remove key when you leave your machine.
7. Handle gasoline with care! I t is highly inflammable! Use approved
gasoline container.
8. Do not add fuel when the engine is running, while the engine is hot or
while you're smoking.
9. Never run the engine in a closed garage or shed. Exhaust gases are
dangerous.
10.
Watch out for traffic when near roadways.
11. Stay alert for holes and other hidden hazards.
12. Keep all shields and safety devices in place, as instructed in Owner's
Manual.
13.
Watch where you're driving! Pay attention!
14. Disengage power to any attachment and stop engine before leaving
operator's position or making repairs or adjustments.
15. Beware of steep slopes.
16. Reduce speed on all side slopes and sharp turns to prevent tipping or
losing control.
17. Do
not attempt to operate machine when not in normal operator's
position.
18.
Don't wear loose fitting clothing that might get caught in moving parts.
Keep
your hands and feet away from moving parts.
19. Do not carry passengers! Keep children and pets at a safe distance.
20. Disengage power to attachments when transporting or not in use.
4

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E N G IN E O I L D IP S T IC K
AN D FI LL E R T U B E
AIR C LE A N E R
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FIGURE 2
LUBRICATION
Transmission
Capacity 3 U.S. quarts. Use SAE 90W EP multi-
purpose gear lubricant. Check level every
50 hours of
operation. Change
lubricant every 200 hours of oper-
ation. Level plug and drain plug are on right side of
transmission housing
near bottom.
Engine
Capacity 2l1z U.S. pints. Use API classification MS
oils, summer SAE 30, winter SAE 5W20.
Daily check oil level,
maintain between "L" and
"F" marks -level must not exceed "F" mark. Change
oil after 5 hours of operation and then every 25 hours
or oftener under dusty conditions. Drain plug is in the
bottom of the oil base on the under side of the engine.
,
I"
FIGURE 3
F U E L TAN K
Greasing
There are 9 grease fittings on the tractor. Grease
with general purpose grease every oil change.
A. Steering gear support - 1
B. P.T.O. arm - 2
C. Front axle - 3
D.
Front wheels -1 each
E . Belt idler pulley arm - 1
Apply a
thin layer of grease on the teeth of the
steering gears each time the tractor is greased.
NOTE: Anytime the tractor is washed or "hosed
off" it should be greased to force any moisture out of
bearings
and bushings.
Periodic oiling lightly
?f all pivot points of linkage
aids operation.
ROUTINE MAINTENANCE
Air Cleaner
Clean
or replace when necessary. A loss of power is
an indication that air cleaner service is required.
The air cleaner element should be cleaned by gently
tapping on a flat surface. Replace the element if it is
bent, crushed or damaged in any way.
When
reinstalling, be sure the element fits the
adapter plate and the wing nut on the cover is finger
tight.
Battery
Regularly check fluid level. Maintain at proper level.
Tires
Front tires - Maintain pressure at 12 psi
Rear tires - Maintain pressure at 6 psi
Spark Plug
Gap -.025 inch
Valves
Intake clearance (cold) -.006/.008
Exhaust clearance (cold) -.015/.017
5

BATTERY
(UNDER PANEL)
!
F O R W A R D -
R E V E R S E
CONTROL
FIGURE 4
OPERATION
Before Starting
1. Check fuel level in fuel tank. Capacity is 9
pints. Use a high
quality regular grade gasoline.
2. Check oil level in engine.
3. Check to see if PTa is in "OUT" position.
4. Check to see if G.ear selector is in neutral.
Starting
1. Be sure tractor is in neutral and PTa is III
"OUT" position.
2. Pull choke control out.
3. Move throttle control to about half throttle.
4. Turn key to start engine, release when engine
fires.
CAUTION: Do not hold starter engaged more than
15 seconds without allowing a cooling period for the
starter motor.
5. As engine warms up, push choke control in.
Starting Tractor Movement
1. Fully depress clutch pedal, and move gear shift
to desired gear,
and while holding clutch pedal, fully
depressed, move forward-reverse control for desired
direction.
NOTE: Be sure to fully depress clutch pedal
to engage
belt brake to stop belt movement.
2. Slowly release clutch pedal.
Stopping
1. Depress clutch pedal.
2. Depress brake pedal.
3. Move gear shift lever to neutral.
NOTE: There is NO neutral position of the Forward-
Reverse Control.
Storage
1. Stop tractor motion, secure brake lock.
2. Turn off engine and remove key.
3. Lower attachment to floor.
6

ATTACHMENTS
FIGURE 5
FIGURE 6
FIGURE 7
36" SNOWTHROWER
The SnowThrower mounts on the tractor similar to the
34" Rotary Mower. Place the drive belt on the PTO pulley
of the tractor. Attach the mounting bracket of the Snow-
Thrower in the Attachment latches. Install the Lift Push Arm
in the last hole of the Lift Lever Weldment (hole closest the
cross shaft).
Install the spring anchor bracket on the hook anchor rod
and attach lift assist springs.
34"
ROTARY MOWER
Slide the mower under the tractor.
Place the Mower Drive belt on the pulley of the mower
and on the PTO pulley of the tractor. The idler on the mower
frame runs on the back of the belt.
Insert the Mower Lift Pivot Assembly in the second hole
from the end of the lift lever weldment, then rotate the lift
assembly until the ball joint socket is down.
Be sure the Attachment Lift Lever is in the lowest position.
Then attach the lift assembly to the ball stud on the mower.
Open the Attachment latches on the tractor. Raise the
mower wih the Attachment Lift Lever guiding the mower
frame into the latches. Close the latches and secure with
hairpin cotters.
Attach the spring and anchors from the cross shaft of the
mower hanger assembly to the idler weldment.
The mower cutting height is adjusted by the lever on the
quadrant at the right side of the mower.
NOTE: Performance is best at full throttle. Use trans-
mission to select ground speed rather than throttle setting.
42"
SNOWDOZER
The SnowDozer mounts in the attachment latches similar to
the 34" Rotary Mower. Attach the Lift Arm to the last hole
of
the Lift Lever Weldment (hole closest cross shaft).
The angle of the blade is by the lever on the quadrant.
Raise the blade to pull back on the lever and swing blade to
the desired position.
FIGURE 8
CART
The cart attaches to the rear hitch of the tractor with a pin.
7

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Products manufactured by Gravely are warranted to be free from
defective
material and workmanship for a period of one year from date of
purchase,
under normal use by a homeowner, and for a period of ninety (90)
days from
date of purchase, when used for commercial purposes.
Any defective
part manufactured by Gravely will be replaced without charge
provided such part is certified as defective by the manufacturer or by the
manufacturer's expressly authorized representative.
IMPORTANT PROVISIONS
This
warranty is not subject to change or modification by field representatives
or Gravely dealers. Any
warranty other than the warranty expressly stated above
will not
be binding upon the manufacturer.
Certain components carry separate warranties by the manufacturer of such
components.
Defective components are subject to their manufacturer's war-
ranties,
and any claims, work, or return of parts must be through an authorized
Gravely dealer. Service costs for the transporting of a unit to and from the
dealer are the responsibilities of the customer, and when such service is
performed by the dealer, the dealer will charge the customer the usual rate for
such service.
It is the customer's responsibility to mail the "Warranty Card" to the manu-
facturer within fourteen (14) days after date of purchase to ensure prompt
handling of any warranty claim by the dealer or the manufacturer.
~@GRAVIELV
O N E G R A V E LY L A N E
Clemmons, North Carolina 27012
To continue its program of quolity and design improvement, the
manufocturer reserves the right to change specifications, design or
prices 'without notice and without incurring obligation.
F O R M O D E L 15458El
F O R M N O . 1729Pl ( 4 -7 1 )
P R IN T E D IN U . S . A .