TM 9-2320-272-10
Table 3-1. Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
32.
CRANE NOT OPERATING OR LACKS POWER.
Step 1.
Check to see if tachometer indicates 1, 275 rpm.
If not, pull hand throttle control all the way out.
Step 2.
Check to see if transmission selector lever is in 1-5 (drive).
If not, place transmission selector lever in 1-5 (drive).
Step 3.
Check to see if transfer case power takeoff lever is pushed back to engaged position.
If not, push transfer case power takeoff lever back to engaged position.
Step 4.
Check level of hydraulic oil in reservoir (para. 2-24).
If low, add oil to proper level (refer to LO 9-2320-272-12).
Step 5.
Check for hydraulic oil leaks.
Tighten loose connections. If leaks continue, notify unit maintenance.
33.
CRANE DOES NOT LIFT.
Step 1.
Check level of hydraulic oil in reservoir (para. 2-24).
If low, add oil to proper level (refer to LO 9-2320-272-12).
Step 2.
Check for hydraulic oil leaks.
Tighten loose connections. If leaks continue, notify unit maintenance.
34.
HYDRAULIC PUMP NOISY.
Check level of hydraulic oil in reservoir (para. 2-24).
If low, add oil to proper level (refer to LO 9-2320-272-12).
If still noisy, notify unit maintenance.
35.
VEHICLE ROLLS WHILE OPERATING CRANE.
Step 1.
Check to see if parking brake is applied.
If not, apply parking brake.
Step 2.
Check to see if chock blocks are in place.
If not, place chock blocks at wheels and notify unit maintenance.
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