Gravely 408 User manual

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To continue its progrom of quolity ond design improvement, the
monufocturer reserves the right to chonge specificotions, design or
prices without notice ond without incurring obligoiion.
FORM NO. 20003P1 I-73 PRINTED IN U.S.A
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FORI,YARO : REVERSE CONTftoL
RIGHT
Figure 1
Speciffcation Number.
Serial Number.
(Please refer to these numbers in any correspondence with
regarding your 408.
INTRODUCTION
THANK YOU for your investment in Cravely equipment. It is an investment, for
your Gravely 408 will save you work and worry for many years.
Numerous independent dealers and factory branches 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 the Warranty, you must register your equipment by completing 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 satisfactory performance if main-
tained and operated as outlined in this manual.
It is important that you record the serial nurnber of your tractor. It is located
on the frame under the seat and is 408---.
Also, it is important you record the model number speciffcation number and
number of the engine. They are Iocated on the plate on the engine blower housing.
Model Number
the factory or dealer
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TABTE OF CONTENTS
Introduction
Safety Specifications
Routine I\{aintenance
Operation
Attachments
)^pecificatior.rs
WARRANTY
Products manufactured by Cravely are warranted to be
free from defective material and rvorkrnanship for a period of
one year from date of purchase, under normal rrsc by a home-
owner, and for a period o{ ninety (90) days from date o[ pur-
chase, when used for commercial purposes,
Any defective part manufactured by Gravely will be re-
placed rvithout charge provided such part is certified as de-
fective by the manufacturer or be the nranufacturer's expressly
authorize<1 representative.
IMPORTANT PROVISIONS
Certain components carry separate warranties by the manrr-
facturer of such cornponents. Defective components are sub-
ject to their manufacirrrer's wirlr:rnties, and arry claims, work,
or return of parts must be througlr irn iirrthorized Gravely clealer.
Service costs for the transporting of a unit to and from the
dealer are the responsibilitfus of the crrstomer, and when such
service is pcrfornred by thc dealer, tlre dealer will charge the
customer the usurl rate for srrch scrvice.
It is the customer's responsibility to mail the "Warranty
Card" to the manufacturer within fourteen (14) days after
date o_f purchase- to ensurc prompt lrandling of any warranty
claim by the dealer or llrt, nranrrfat'trrrer.
AGRA/ELY
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SAFETY SPECIFICATIONS
l. Know the controls and horv to stop quickly - READ THE OWNER'S
MANUAL.
2. Do not allow children to operate vehicle. Do not allow adults to operate
it without proper instructions.
3. Do not cairy passengers. Keep children and pets a safe distance away.
4. Clear work area of objects which might be picked up and thrown.
5. Disengage all attachment clutches and shift into neutral before attempting
to start engine.
6. Disengage power to attachments and stop engine before leaving operator
position.
7. Disengage power to attachments and .stop cngine before making any
repairs or adjustn.rcnts.
8. Disengage power to irttachments when transporting or not in use.
9. Take all possible precautions when leaving vehicle unattended, such as
disengaging power take-off, lorvering attacl.lnents, sliifting into neutral,
setting parking brake, stopping engine ilnd removing key.
10. Do not stop or start suddenly when going uphill or dorvnhill. Morv up and
down the face of steep slopes; never across tlre face.
11. Reduce speed on slopes and in sharp turns to prevent tipping or loss of
control. Exercise extreme caution when changing direction on slopes.
12. Stay alert for lroles in terrain and other hidden lrazards.
13. Use care wlren prrlling loads or rrsing lrr':tvy cqrripment.
A. Use only approved drawbar Iritclr points.
B. Limit loads to those vou can safelv control.
C. Do not turn sharply.- Use care wlien backinP
D U;" wt;;f;;is[ii "' w"igni U, *tr"" i"[g"st"d in owner's manual.
14. Watch out for traffic when crossing or near roadways.
15. When using any attaclrments never direct discharge of material toward
by-standers nor allow anyone near vehicle while in operation.
16. Handle gasoline with care - it is highly flammable.
A. Use approved gasoline conttriner.
B. Never removc cap or add gasoline to :r running or hot engir-re or ffll
fuel tank indoors. Wipe up spilled gasoline.
C. Open doors if enpfine is run in garage - exhaust fumes are dangerous.
Do not rtrn engine indoors.
17. Ke-ep vehicle and attachments in good operating condition and keep
safety devices in place.
18. Ketp all nuts, bolts and screws tight to be sure equipment is in safe
working condition.
19. Never store equipment with gasoline in the tank inside of building where
frrrnes nray reach an open flanre ol spark.
20. Allow engine to cool hcfore storing in any enclosure.
21. To reduce ffre hazard keep engine free of grass, leaves or excessive
grease.
22. Vehicle and attachments, should _be stopped and inspected for damage
after striking_ a foreiqn obiect and the damage should-be repaired before
restarting and operating the equipment.
2Q. Dq not change engine governor settings or overspeed engine.
24. When using velricle with rnower:
A. trIow only-in daylight or ir good artificial light.
B. Never make a cutting height adjrrstment'rvhile engine is running if
operator dismorrnts to do so.
C. Slurt engine off r,r'hen trnclogging chute.
D. Check blade bolts for proper tightncss at frequent intervals.
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This warranty is not subject to change or modification by
ffeld representativcs or Gravely dealers. Any rvarranty other
than the warranty expressly stated above will not be binding
upon the manufaiturei.
GRAVELY LANE - CLE[/I\4ONS - NORIH CAROLINA 27012
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ROUTINE MAINTENANCE
GREASE FIiTING -*-::
Figure 2
Greasing
There are 9 grease ffttings on the
408. Grease each fftting liberally with
general purpose grease every 8 hours
of operation.
A. Steering gear support - 1
B. PTO arm - 2
C. Front Axle - 3
D. Front Wheels - 1 each
E. Belt idler pulley arm - 1
Trunsmissi,on
Canacity - 3 U. S. quarts SAE 90
W EP muitlpurpose gear lubricant.
Check levbl ere.y 50 hours o[ oPer-
ation. Change lubricant everY 200
hours of oDeration.
Level nlug and drain PIug are on
the righI side of the transmission
housing.
Engine
Capacity - 2)6 pintq of API classi-
fication SC or SD oil.
Summer - SAE 30
Winter - SAE 5W20
Check oil level daily. N{aintain at
full level. Do not overffll.
Change oil after initial 5 hours of
ooeration and thcn every 25 hottrs or
often". rrnder dusty conditions. Drain
oluq is on the bottom of the oil base
i,, the under side of the engine.
Air Cleaner
Clean or rcplute rvhen 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 tl're element if it is
bent, crushed or damagcd in any way.
When reinstalling, be sure the ele-
ment ffts the adap[er plate and the
wing nut on the cover is ffnger tight.
Batterg
Regularly check fluid level. Main-
tain at proper level.
Tires
Front tires - Maintain pressure at
12 psi.
Rear tires - Maintain pressure at 6
psi.
Spark Plug
Gap - .025 inch
Vahses
Intake clearance (cold) - .006/.008
Exhaust clearance (cold) -.015/.017
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Figure 3
Apply a thin Iayer of grease on the teeth of the steering gears each time the ,
tractor is greased. I
Any time the tractor is washed or "hosed off" it should be greased to force \
any moisture out of bearings and bushings.
Periodic oiling lightly of all pivot points of linkage aids operation.
Figure 4
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Figure 6
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OPERATION
Figure 7
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BATTERY
( UNDER COVER)
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Before Starting
I. Check fuel level in fuel tank. Capacity is I pints. Use a high
quality reg'rlar grade gasoline.
2. Check oil level in engine.
3. Check to see if PTO ls in "OUT" position.
4. Check to see if Gear selector is in neutral.
Starting
1. Be sure tractor is in neutral and PTO is in "OUT" position.
2. Pull choke and control out.
3. Move throttle control to about half throttle.
4. Turn key to start engine, release x,hen engine ffres.
CAUTION: Do not hold starter engaged more than 15 seconds without allowing
a cooling period for the starter motor.
5. As engine warns up, push choke control in.
Starting Tractor Mooement
t. !'u_l!v depress-clutch _pedal, and move gear shift to desired gear, and while
holding clutch pedal. ftrlly depressed, move forward-reveise 'control for
desired direction. NOTE: Be srire to fully depress clntch pcdal to engage
belt byalie to stop l>r'lt n)ovenler)t.
2. Slowil'release cfutch pedal.
Stopping
l. Depress clutclr pedal.
2. Depress brnke pcdal.
3, IUove gear slrift lever to neutral.
NOTE: There is NO neutral position of the Fonvard-Revcrsc Contrnl.
Stop tractor motion, secrrre brake lock.
Tum off engine irnd remove key,
Los'er attaclrlnent to floor.
CLUTCH
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SELECTOR
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. ATTACHMENT
LI FT HANDLE
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34" ROTARY MOWER
MOWEB HANGER ASSEMSLY MOWEH LIFT
.PTO..PULLEY
ON TfiAGTOR
MC}UI,{IT|NG,,P0lNTS
Figure 8
Mounting on Tractor
Slide mower under tractor, rollers toward rear of tractor. Place belt around
pulley on PTO. Be sure belt is on pulley of mower.
Turn rnower lift upside down and insert pivot through the second hole from
the end of the tractor lift lever weldment. Rotate 180 degrees so bend is down.
Install the lift through the tab on the mower hanger assembly. Secure with
washer and hair pin cotter.
Open the attachment latches on each side of the tractor frame.
Using the attachment lift lever, raise the mower, guiding the mounting points
of tlre mower hanger assembly into the attachment latches of the tractor. Close
the Iatches and secure in place with hairpin cotters.
Attach the spring anchors on each end of the spring and install the spring,
hooking the one anchor on the cross shaft of the morver hanger assembly and the
otler on the belt idler weldment. The idler rides on the back (flatside) of the belt.
Operation
The cutting height is controlled by the height adjustment lever on the R.H.
side of the mos'er. Move the lock rod out of notch on quadrant. Move the lever
towards the front of the mower to lower the cutting lieight; moving the lever
toward the rear of the tractor raises the cutting height. Range - llA-311".
To begin mowing, stop tractor motion, loiver lift lever iompletely wl,ich will
allow the mower to float and follow ground contours. \\'ith the engine lunning at
a fast idle, move the PTO lever for "OUT" to "IN".
Select desired gear, accelerate engine to full throttle and resunie tractor motion.
To disengage nlower, move PTO lever for "IN" to "OUT". This maybe done
at any time.
Figure 11
42" SnowDozer
Mounting on Tractor:
Slide frame under front axle of
tractor. Operr iatches, raise frame and
secure in latches. Secure latch with
hair pin cotters.
Attach tlie lift arm in the last hole
of the lift lever weldment (hole clos-
est the cross shaft).
Operation:
The angle of the blade is controlled
by the lever on the quadrant.
To change angles. raise the blade.
Pull back on lhe Iever and srvinEl Ltade
to the desired position. Release lever.
Wheel weights, tire chains. and/or
a weight box can be added to the
tractor to increase traction,
Figure I
WHEET COVERS
TIRE CHAINS
Wheel covers to enhance the ap-
pearance of your 408 are available.-
Figure 10
Chains for the rear wheels
available to increase traction.

36" SNOWTHROWER
Figure 12
Mounting:
For the initial mounting of the
snowthrower, carefully follow the in-
structions packed with the snow-
tlrower,
Be sure the be]t popper and spring.
anchor bracket are installed. Thes(
may be left pernunently installt'd o{
the tractor.
Thereafter, to mount, Install the mounting bracket of the snow thrower in the
attachment latches and secure.
Install the lift push arnr in the last hole of the lift lever weldnrent (holc closest
to the cross sha[t.)
Attach the lift assist springs to the spring anchor bracket.
Install drive belt.
WEIGHT BOX
The weight box mounts on the rear
hitch of the tractor. Secure in place
with thc clevis pin and hair pin cotter.
Tighten adjusting lrandles against the
rear hitch until the weight box is
rigid.
For increased traction the weight
box can be filled with any suitable
nrateria] such as sand.
During the mowing season, the
en-rpty rveight box makes a handy
container for debris picked up while
mowrng.
Figure 13
l0 II
CART
The cart attaches to the rear hitch of the tractor with the pin provided
cart.
When loading the cart, concentrate the weight ahead of the cart axle.
with
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F'igure 14
WHEET WEIGHTS
The l1924El Wheel Weights fit
the rear wheels of the 408. To nount
the rveiglrts. tlre rvlreels rrruy ltlve to
be trrrned so the valve stems arc on
the inside.

SPECIFICATIONS
Engine......
Horsepower . . .
Oil Capacity .
Oil Rccommendations
Summer
Winter . . .
Transmission
Oil capacity & type
Speed Range (mph)
1 gear .
2 gear .
3 gear
4 gear
Tire size-front .. ..
Pressure......
Tire size - rear
Pressure . . .
Length
width
Height
,Net Weight
I
.. .KohlerKl81
8 @ 3600 rprr
216 pints
., SAE 30 SC
, . , SAE 5W2O SC
4 forward 4 reverse
3 qts. SAE 90W EP
. Forward Revcrsc
1.6 .7
2.7 1.1
. . 3.6 1.6
5.4 2.4
13x5.00-6
12 psi
18x8.50-8
-^6-p.ri.
5ti.b lnches
. 33 inches
. 37 inches
372 lbs.
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