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TM10-3930-660-20
18-22.
BOOM HOSE PULLEY - REPLACE (Cont’d)
1.
2.
3.
4.
FULLY RETRACT, THEN EXTEND BOOM
SEVERAL INCHES, TM10-3930-660-10.
DISCONNECT NEGATIVE BATTERY CABLE,
PARA. 8-44.
LOOSEN JAM NUTS (1) AT TENSIONER (2)
TO RELIEVE TENSION ON THREE HYDRAULIC
HOSES (3) AND BOOM ELECTRICAL CABLE
(4).
DISCONNECT THREE HYDRAULIC HOSES (3)
AT FITTINGS (5) BEHIND TENSIONER
(2).
Rope will be used to pull hoses (3) out
of
5.
6.
7.
8.
boom during installation.
TIE A ROPE AROUND ENDS OF
DISCONNECTED HYDRAULIC HOSES (3).
REMOVE FOUR CLAMP ASSEMBLIES (6)
SECURING BOOM ELECTRICAL CABLE (4) TO
UNDERSIDE OF BOOM.
REMOVE FOUR CAPSCREWS (7), FOUR
LOCKWASHERS (8), AND ACCESS COVER
(9). DISCARD LOCKWASHERS (8).
DISCONNECT BOOM ELECTRICAL CABLE
(4) AT PLUG (9A).
18-85
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