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 TM 10-3930-660-24-2
INNER BOOM MAINTENANCE - CONTINUED
0262 00
CLEANING
See Cleaning instructions (WP 0316 00).
INSPECTION
See Inspection instructions (WP 0317 00).
ASSEMBLY
1.
If removal was necessary, install boom electrical cable to inner boom (WP 0111 00).
2.
If removal was necessary, install boom hydraulic hoses to inner boom (WP 0194 00).
3.
If removal was necessary, install boom extend cylinder inside inner boom (WP 0269 00).
4.
If removal was necessary, install wear pads to inner boom (WP 0262 00).
5.
If removal was necessary, install retract chain (12) to inner boom (31).
6.
Secure clevis (63) to retract chain with pin (65) and retaining rings (64).
7.
Secure clevis (63) to inner boom (31) with pin (62) and new cotter pin (61).
INSTALLATION
NOTE
Remove caps and plugs as hoses are installed. Wipe all sealing surfaces on hydraulic components and hoses
clean and dry. Apply film of clean hydraulic oil to all seals as they are installed.
Be sure that wood block placed between boom extend cylinder and inner boom during inner boom removal
remains in place during inner boom installation.
1.
Support wood block between flanges of outer boom (2) and intermediate boom (11).
2.
Position hoist and sling (or other suitable lifting device) at center of gravity for inner boom (31). Place spreader bar
between slings at underside of boom (31).
3.
Position inner boom (31) in front of intermediate boom (11) with hoist and sling.
4.
Tie end of rope to boom electrical cable (25).
5.
Tape ends of hoses (13 thru 15) to boom electrical cable (25).
6.
Place ends of boom electrical cable (25) and hoses (13 thru 15) inside intermediate boom (11).
7.
Pull cable (25) and hoses (13 thru 15) with rope at rear of outer boom until they are free of slack.
8.
Put free end of retract chain (12) through pulley hole of intermediate boom (11). Allow all slack of chain (12) to hang
from hole.
NOTE
During step 8, have assistant guide cable and hoses into front of intermediate boom. Have second assistant
pull rope at rear of outer boom. This will prevent hoses and cable from being crushed and damaged.
9.
Install inner boom (31) into intermediate boom (11) approximately 3 ft (0.9 m).
0262 00-9
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