BOOM AND WINCH INSTALLATION (Cont) - TM-9-2350-238-20-20062

9-2350-238-20-2

2-10.

ELECTRICAL

CIRCUIT

TROUBLESHOOTING

(CONT).

Step 2.

Disconnect both leads 480 (1) from LEVEL WIND switch (2). Set LEVEL

WIND switch ON. If multimeter indicates continuity, go to step 3. If

multimeter indicates infinity, replace LEVEL WIND switch, refer to page

2-271. Set LEVEL WIND switch OFF. Connect leads.

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 either sensing switch. Place red probe in lead

Step 3.

480. Ground black probe. Set MASTER switch ON. Set LEVEL WIND

switch ON. If multimeter indicates about 24 volts, go to step 4. If

multimeter indicates no voltage, repair lead 480 between LEVEL WIND

switch and sensing switches, refer to page 2-66. Set MASTER switch OFF.

Set

LEVEL

WIND

switch

OFF.

Connect

lead.

2-22