BOOM AND WINCH INSTALLATION (Cont) - TM-9-2350-238-20-20069

9-2350-238-20-2

Step

5. P l a c e r e d p r o b e o n s o c k e t B ( 1 ) ( G N D ) . G r o u n d b l a c k p r o b e . I f m u l t i m e t e r

indicates continuity, notify direct support maintenance for replacement of

solenoid directional control valve (2). If multimeter indicates

infinity,

repair

GND lead, refer to page 2-66. Connect connector (3).

Make

sure

MASTER

switch

OFF

before

repairing

electrical

com-

ponents. Failure to observe this warning could result in injury to

personnel.

Disconnect

lead

480

(1)

from

inoperative

traversing

circuit

rectifier

(2).

Step 6.

Place

red

probe

lead

480.

Ground

black

probe.

Set

MASTER

switch

ON.

Set LEVEL WIND switch ON. Press sensing switch of inoperative traversing

circuit to close. If multimeter indicates about 24 volts, replace rectifier,

refer to page 2-271. If multimeter indicates no voltage, repair lead 480 be-

tween rectifier and sensing switch, refer to page 2-66. Set MASTER switch

OFF. Set LEVEL WIND switch OFF. Connect lead.

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