Hydraulic Suspension LOCKOUT WILL NOT ENGAGE (HMMH). cont'd -680640355

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

Step 21. Check for +24 VDC between wire 712 (8) and ground at fast group relay

(32).

If +24 VDC is present, repair wiring 712 between fast group

relay and control switch.

If +24 VDC is not present, go to step 22.

Step 22. Check for +24 VDC between wire 71 (33) and ground at fast group relay

(32).

If +24 VDC is present, go to step 27.

If +24 VDC is not present, go to step 23.

Step 23. Check for +24 VDC between wire 71 (33) and ground at connector AG (34).

If +24 VDC is present, repair wiring 71 between fast group

relay and connector AG.

If +24 VDC is not present, go to step 24.

Step 24. Check for +24 VDC between wire 71 (33) and ground at pin 4 of forklift

wiring harness connector (35).

If +24 VDC is present, repair wiring 71 between connector AG

and forklift wiring harness connector.

If +24 VDC is not present, go to step 25.

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