QUARTERLY NOTES (CONTINUED)
Note 23
ROAD WHEEL AND TRAILING IDLER HUB BEARINGS
Note
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.
OIL FILLED HUBS
4 Clean area and remove fill plug (2).
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).
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LO 9-2350-238-12