INTERMEDIATE BOOM REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

c. Cleaning. See Cleaning Instructions (Para 2-12).

d. Inspection. See Inspection Instructions (Para 2-14).

e. Assembly.

(1)

Install wear pads (Para 16-16).

(2)

Install boom hose pulley (TM 10-3930-673-20).

(3)

Install boom extend chain sheave (TM 10-3930-673-20).

f. Installation.

NOTE

Rope will be used to pull extend chain between outer boom and intermediate boom when inner boom

is installed.

(1)

Place small diameter, but strong rope from rear of outer boom and comes out the extend chain hole, at

underside of outer boom.

NOTE

Rope will be used to pull electrical cable and hydraulic hoses from rear of boom back through and

between outer boom and intermediate boom when inner boom is installed. Rope should be twice the

length of boom.

(2)

Place another rope from rear of outer boom and comes out of the hydraulic hose hole, at underside of outer

boom.

(3)

Using other forklift, move intermediate boom to position in front of and in alignment with, outer boom of

vehicle. Place on jackstands or suitable supports.

(4)

Using overhead lifting device, other forklift and lifting straps, carefully raise intermediate boom and push

intermediate boom inside outer boom approximately 2 ft. (610 mm).

NOTE

Overhead crane can remain in position for safety.

(5)

Lower overhead lifting device slightly to put slack in lifting straps. Keep straps in position around

intermediate boom.

(6)

Push intermediate boom into outer boom until intermediate boom extends approximately 4 ft. (1.2 m) out

from front of outer boom.

Change 1

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