PUMP ENGINE FAILS TO CRANK WHEN PUMP ENGINE SWITCH IS PLACED IN THE START POSITION.

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TM-9-2320-279-10-3 M977 Series 8x8 Heavy Expanded Mobility Tactical Trucks (HEMTT) Manual

PUMP ENGINE GOVERNOR CONTROL DOES NOT OPERATE.

TM 9-2320-279-10-3

Troubleshooting Index (Cont)

Table 3-5.

Troubleshooting

Malfunction

Test or Inspection

Corrective Action

15. PUMP ENGINE FAILS TO CRANK WHEN PUMP ENGINE SWITCH

IS PLACED IN THE START POSITION.

Step 1.

Check if battery disconnect switch is in the ON position.

If battery disconnect switch is not in the ON position,

position switch to the ON position.

WARNING

Do not wear watches, rings, or other jewelry when

working in battery box. If jewelry comes in

contact with battery terminal, electric shock or

severe burn may result.

Do not smoke or have open flame near batteries.

Batteries can explode. Battery acid is harmful to

eyes and skin.

CONNECTIONS

416

BATTERY CABLES

BATTERY

BATTERY BOX

COVER

BATTERY DISCONNECT

SWITCH

Step 2. Remove battery box cover. Check battery terminals for dirt,

corrosion, loose or damaged connections.

If connectors are dirty, corroded, loose, or damaged,

notify supervisor.

Step 3. If problem still exists, notify Supervisor.