LO-9-2350-238-12
RECOVERY VEHICLE, FULL TRACKED LIGHT, ARMORED, M578
LUBRICATION ORDER
APRIL 1992
LO-9-2350-238-12 - Page 16 of 45
QUARTERLY NOTES (CONTINUED)
Note 23
ROAD WHEEL AND TRAILING IDLER HUB BEARINGS
Not e
Two types of hubs are used on road wheels and
trailing idler wheels. One type uses oil (OE/HDO or
OEA) for lubrication, the other type uses grease
(GAA) for lubrication. Check the road wheel hubs
and idler wheel hubs on your vehicle before
lubricating.
A Oil Filled Hubs
Check oil level.
1
Place vehicle on level ground.
2 Remove check plug (1) and observe that oil is level with
bottom of hole. Fill if necessary (steps 3 thru 6),
3 Rotate wheel until fill plug (2) and drain plug (3) are about
vertical.
4 Clean area and remove fill plug (2).
OIL FILLED HUBS
5 Fill to bottom of level hole with oil (OE/HDO or OEA). Allow
time for oil to reach oil cavities.
WARNING
Dry cleaning solvent (SD2) is toxic and flammable.
Wear protective goggles and gloves and use only in
well-ventilated area.
6 Clean fill plug (2) and check plug (1) with solvent SD2 and
install.
B Grease Filled Hubs
GREASE FILLED HUBS
1 Lubricate with GAA.
2 Lubricate fitting (1) with GAA until grease comes out of
safety relief valve (2).
Card 14 of 40
LO 9-2350-238-12
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