TM 5-3740-218-13&P
Table 3-1. Operator Troubleshooting (Cont)
Malfunction
Test or Inspection
Corrective Action
Step 4.
Check that power indicator on hand control unit is on.
If not on, refer to unit maintenance.
Step 5.
Check engine cooling fins and blower housing for dirt or debris.
WARNING
Compressed air used for cleaning and drying purposes shall not exceed
30 psi. Use only with effective chip guarding and personal protective
equipment (goggles/shield, gloves, etc.). Flying debris could cause
personal injury.
Using compressed air, clean fins and blower housing, or wash
with water and use compressed air to dry.
3.
ENGINE EXHAUST SMOKEY.
Refer to unit maintenance.
4.
ENGINE SURGES OR OVERSPEEDS.
Refer to unit maintenance.
5.
ENGINE MISSES OR RUNS ERRATICALLY.
Refer to unit maintenance.
6.
ENGINE VIBRATES.
Check for loose engine and pump assembly isolators or mounting plate.
Refer to unit maintenance.
BUCKET AND CROSSTUBE ASSEMBLY
7.
SPRAY SYSTEM CONTROL VALVE DOES NOT OPEN WHEN DISPENSER BUTTON IS PRESSED.
Check for loose connection at control valve coil.
Secure connection. If problem still exists, refer to unit
maintenance.