LO-9-2320-260-12
TRUCK, CHASSIS: 5-TON, 6X6, M809 SERIES
LUBRICATION ORDER
NOVEMBER 1983
LO-9-2320-260-12 - Page 30 of 33
17.
18.
19.
20.
21.
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24.
NOTES (Cont’d)
DO NOT LUBRICATE
Springs, clutch release bearing, alternator, shock absorbers, or clutch pilot bearing.
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 hub pulley.
OPERATOR PARTICIPATION
“D” maintenance is performed by the operator. Operator may assist in lubrication intervals
marked “W” or “S” if supervised by qualified personnel.
M816 CRANE HYDRAULIC SYSTEM FILTER
CAUTION
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” with pump running and oil at operating temperature.
LIFT GATE HYDRAULIC OIL TANK
Every 3 months check hydraulic oil level. Place lift gate in lowered position at ground level and
remove filler plug. Oil supply is minimum at 2 inches (5.1 centimeters) and maximum at 3 inches
(7.6 centimeters).
When necessary to add oil, operate lift gate several times up and down, open and close with
filler plug removed. If there is excessive oil in the system the oil tank will overflow. Replace filler
plug.
M819 HOIST DRUM
Weekly, check level,
drain only when required by maintenance repair action, or if
contaminated by water or other foreign material. Set boom in horizontal position and remove
drain plug from case. Remove breather and level plug; fill drum to level of plug hole. Install
plug. Clean and install breather.
M819 CRANE HYDRAULIC OIL TANK
Weekly, with boom in horizontal position, remove plug from top of tank. If level is below bottom
mark on gage, replenish to tap mark. Every 12 months, remove plug from bottom of tank, and
drain. To completely drain system, operate crane several times, disconnect hydraulic lines at
lowest position, and let drain. Clean and install plug. Connect hydraulic lines. Refill tank with
33 gallons (125 liters) of oil and operate crane several times to completely fill system. Check
level.
M819 RING GEAR
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 of pivot post drain holes. Install pivot post drain
plugs, remove fittings, and install pipe plugs.
TA 255971
LO 9-2320-260-12
PAGE 30 OF 31
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