500 HOUR MAINTENANCE OPERATIONS
ENGINE MAINTENANCE
CLEAN RADIATOR CORE
CHECK AND ADJUST TRANSMISSION
SHIFT LEVER LINKAGE
CHECK TRANSMISSION DE-CLUTCH VALVE
CHECK CONVERTER INTERNAL PRESSURE
CHECK TRANSMISSION CLUTCH,
LUBRICATING AND OIL COOLER PRESSURES
CHECK AND ADJUST BOOM AND
BUCKET PRESSURES
Adjust Directional and Speed Range levers
Fig. 25.
CHECK AND ADJUST MAIN HYDRAULIC PUMP
air flow through the core assembly. Oil streaks
should be removed using a solvent non-harmful to
ADJUST BOOM AND BUCKET
hoses and wiring insulation. Straighten bent fins
CONTROL LEVERS
being careful not to puncture or enlarge the open-
CLEAN AND TIGHTEN
ings.
ELECTRICAL CONNECTIONS
Check and Adjust Transmission Shift Lever
CLEAN AXLE BREATHERS
Linkage: Inspect all mechanical control linkage to
make sure all shift rods, bell cranks, ball joint as-
CHECK STEERING PRESSURE
semblies and shift levers are in good serviceable
condition and properly adjusted. Correct any ques-
CHECK AND ADJUST STEERING PUMP
tionable condition such as loose or bent linkage,
worn pins or evidence of binding or rubbing of any
ADJUST DRAGLINK BALL JOINTS
of the shifting components.
TIGHTEN MOUNTING BOLTS
T h e directional and speed range shift levers
STEAM CLEAN MACHINE
must be properly adjusted to insure full engage-
ment into all detent positions without interference.
SERVICE RESERVOIR RETURN FILTER ASSEMBLY
1. Check and tighten bolts securing the shift levers,
SERVICE AIR CLEANER ELEMENT AND BODY
shift quadrant, and steering column so that
bolts are snug.
E n g i n e Maintenance: Refer to Operation and
2. Place speed range lever in LO (first) and direc-
M a i n t e n a n c e Manual of engine manufacturer for
tional lever in NEUTRAL.
maintenance instructions of engine and accessor-
ies.
3. Loosen jam nut, (Item 1 Figure 25)) on shift
C l e a n Radiator Core: External surfaces of
rod, (Item 2 Figure 25), and remove locknut,
radiator core must be kept clean, straight, and un-
(Item 3 Figure 25) securing ball joint assembly
o b s t r u c t e d to prevent blocking the air flow and
(Item 4 Figure 25)) to shift lever arm, (Item
causing overheating.
5 Figure 25).
Flying objects such as sand, dust, leaves, twigs,
4. Adjust ball joint assembly as necessary to
b u g s or other debris that plug the core or adhere
c o r r e c t existing condition, then check lever
to water or oil streaks impair the cooling efficiency.
alignment on shift quadrant in operator's com-
partment. If sufficient adjustment is not avail-
able, adjust ball joint assembly at opposite end
Use compressed air, steam, or a high pressure
of shift rod (bell crank end).
water stream and remove such objects opposite the
[45-05-1]
