Hydraulic Suspension LOCKOUT WILL NOT ENGAGE (HMMH). cont'd -680640363

5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

Step 43. Check for +24 VDC between wire 11 (50) and ground at cab floor

separation point (25).

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

connector AB and cab floor separation point.

If +24 VDC is present, go to step 44.

Step 44. Check for +24 VDC between wire 11 (50) and ground at hydraulic switch

(51),

If +24 VDC is not present, repair wiring 11 between cab floor

separation point and hydraulic switch.

If +24 VDC is present, go to step 45.

Step 45. Check for +24 VDC between wire 4 (52) and ground at hydraulic switch

(51).

If +24 VDC is not present, replace hydraulic suspension lockout

pump (page 4-51 1).

If +24 VDC is present, go to step 46.

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