Weekly, remove filler plug, gage and screen. Clean and install screen, and replenish with oil to
third mark from top of gage with body down in lowered position. Install gage and plug. Raise
and lower body several times slowly and recheck oil. Drain every 12 months. Remove drain plug
from tank and drain with dump body in lowered position. Clean and install drain plug. Refill
tank with OE/HDO and install screen, gage, and plug. Raise and lower body several times
slowly and recheck oil level. Capacity of hydraulic system is 37 quarts (35 liters).
Remove pivot post drain plugs located on underside of crane base plate. Remove two pipe
plugs on each side of pivot post gear shield and install lubricating fittings. Lubricate through
fittings until lubricant appears at underside pivot post drain holes. Install pivot post drain plugs,
remove fittings, and install pipe plugs.
OIL CAN POINTS
Every 1,000 miles (1,600 kilometers) or monthly, whichever occurs first, lubricate hinges and
latches, carburetor linkage, transfer case and power takeoff shift linkage, clutch and brake
pedal linkage, hand brake control and dump truck tailgate bearings with seasonal grade
DO NOT LUBRICATE
Springs, clutch release bearing, alternator, clutch pilot bearing or shock absorbers.
LUBRICATED AT TIME OF DISASSEMBLY BY DS AND GS PERSONNEL
Clutch release bearing carrier, rear winch swivel sheave frame bearing, pedestal bearing,
starter, water pump and fan pulley.
"D" maintenance is performed by the operator. Operator may assist in lubrication intervals
marked "W" or "S" if supervised by qualified personnel.
CRANE HYDRAULIC SYSTEM FILTER, M543, M543A1, M543A2
Do not operate crane when indicator is at "BY-PASSING" position.
Notify Organizational Maintenance.
To maintain adequate filtering, remove and clean filter element when indicator points to
"NEEDS CLEANING'. Check indicator with pump running and oil at operating temperature.
Stop engine and remove and clean filter if indicated.
Check and clean crankcase breather and lines every 6,000 miles (9,600 kilometers) under
normal operating conditions.
If ambient temperature rises to +70F (21C) for no more than one week, use of OE/HDO 10
is permissible. If ambient temperature rises to +40F (+4C) for no more than one week, use of
OEA is permissible.
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