TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 712 of 775

TM 9–2350–311–10

G–8

Change 3

G–3

LUBRICATION INSTRUCTIONS — CONTINUED

3.

ROAD WHEEL AND IDLER WHEEL BEARINGS (C)

CAUTION

If grease seeps from hubs and/or housings before it flows from relief valve, notify unit mainte-

nance.

a.

Remove protective cap (4.1).

b.

Fill road wheel and idler wheel hubs (5) with GAA (item 17, Appx D), stop and rotate hub a minimum of three revolu-

tions, continue to fill with GAA (item 17, Appx D) until solid grease, without air, flows from relief valve (6).

c.

Install protective cap (4.1).

5

6

NOTE

Cutaway view is used for clarity.

4.1