Cleaning Axle Vent Hose

TM 10-3930-673-20-2

c. Cleaning Axle Vent Hose.

Check axle vent hose (4) for obstructions. Remove

obstructions as required.

NOTE

Axles are vented to release pressure

caused by axle oil expansion.

Vent holes are located at top of each

axle. On rear axle, vent hole is on left-

hand side. On front axle, vent hole is

on right-hand side.

Each vent hole is connected to a

frame-mounted breather by a hose.

Front and rear axle vent hoses are

TR00379

cleaned the same way.

(a)

Remove hose (4) from elbow (5).

(b)

Remove nut (6), lockwasher (7), clamp (8), hose (4) and breather (9) from vehicle frame stud (10) and elbow

(5). Discard lockwasher.

(c)

Remove elbow (5) from axle (1).

(d)

Remove breather (9) and clamp (8) from hose (4).

(e)

Inspect hose (4) for obstructions. If obstructions are present, clear from hose.

(f)

Install elbow (5) on axle (1).

(g)

Install breather (9) and clamp (8) on hose (4).

(h)

Position hose (4), clamp (8) and breather (9) on vehicle frame stud (10).

(i)

Install clamp (8) on vehicle frame stud (10) with lockwasher (7) and nut (6).

(j)

Install hose (4) on elbow (5).

NOTE

Follow-on Maintenance: Remove wheel chocks.

END OF TASK

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