Inspection of Boom Wear Pads-CONT.

TM 10-3930-673-20-2

(3)

Check for proper wear pad clearances.

(a)

Start engine (TM 10-3930-673-10).

(b)

Fully extend inner boom (5).

(c)

Stop engine (TM 10-3930-673-10).

(d)

Using lifting device, move inner boom (5)

up and down and from side to side. Check

for clearance of

0.01 - 0.13 in. (0.25 - 3.30 mm) between

wear pads and surfaces of inner and

intermediate booms.

(e)

Start engine (TM 10-3930-673-10).

(f)

Fully extend intermediate boom (3).

(g)

Stop engine (TM 10-3930-673-10).

(h)

Using lifting device, move intermediate

boom (3) up and down and from side to

side. Check for clearance of 0.01 - 0.13

in.

TR00687

(0.25 - 3.30 mm) between wear pads and

surfaces of intermediate and outer booms.

NOTE

If clearances measured in Steps (3)(d) and (3)(h) are not within limits, wear pads are worn or quantity

of wear pad shims is incorrect (notify Direct Support Maintenance).

END OF TASK

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