MAGNETIC CLUTCH AND BYPASS SOLENOID VALVE CIRCUIT (MAGNETIC CLUTCH). (Cont)

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

To access bulkhead disconnect, remove driver's seat, refer to page 2-952;

Step 5.

and remove driver's compartment aft cowl, refer to page 2-928. Disconnect

wiring harness at bulkhead disconnect. Install jumper wires to pin G and

plug socket G (lead 317) and pin D and plug socket D (lead 459). Place

red probe on pin H (lead 317A). Ground black probe. Set MASTER switch

ON. Set HYD PUMP/PTO CLUTCH switch ON. If multimeter indicates

about 24 volts, repair lead 317A between disconnect near batteries and

bulkhead disconnect. Refer to page 2-371. If multimeter indicates no

voltage, repair lead 317A between bulkhead disconnect and HYD PUMP/

PTO CLUTCH switch. Refer to page 2-371. Remove jumper wires. Set

MASTER switch OFF. Set HYD PUMP/PTO CLUTCH switch OFF. Con-

nect wiring harness.

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