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Routine Maintenance - Gravely 408 Owner's Manual

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E N G IN E
O IL D IP S T IC K
AND FI L L 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.
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FIGURE 3
F U E L TANK
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

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