Hydraulic Suspension LOCKOUT WILL NOT ENGAGE (HMMH). cont'd -680640362

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

Step 41. Check for +24 VDC between wire 7 and wire 14 (48) and ground at

suspension lockout pump motor (49).

If +24 VDC is not present, repair wiring 7 and wiring 14

between cab floor separation point and pump motor.

If +24 VDC is present, replace hydraulic suspension tockout

pump (page 4-51 1).

Step 42. Check for +24 VDC between wire 11 (50) and ground at connector AB (24).

If +24 VDC is not present, repair wiring 11 between D+ relay

and connector AB.

If +24 VDC is present, go to step 43

3-232