TM-9-2320-304-14-P

LOAD HANDLING SYSTEM, HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, AND DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

AUGUST 2000

TM-9-2320-304-14-P - Page 441 of 1320

Malfunction

Test or Inspection

Corrective Action

TM 9-2320-304-14&P

4-63

Organizational Maintenance Instructions (Cont)

Table 4-3. Load Handling System (LHS) Troubleshooting (CONT)

LOAD HANDLING SYSTEM (LHS) (CONT)

9. LOSS OF MAIN FRAME SAFE LOWERING FUNCTION (CONT).

WARNING

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive

electrical circuits, a direct short may result. Damage to equipment and injury or death to

personnel may occur.

CAUTION

Do not allow the LHS control box assembly cover to hang from console by the wire

connections to the control box assembly. Failure to comply will damage the wire

connections.

Step 2.

Check for 22 to 28 Vdc at transit valve harness connector terminal 2 with ENGINE switch

ON and main frame safe lowering button pushed in.

If there are 22 to 28 Vdc go to

Step 14

.ofthisFault

.

If Vdc measurement is below specification, go to

Step 3

.ofthisFault

.