TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
36. STICKING OUTRIGGER CONTROL VALVE
Step 1.
Distortion caused by tie bol ts being overtorqued.
a. Check torque on the bolts. (Refer to page 13-72.)
If OK, do Step 2.
b. Retorque tie bolts.
Step 2.
Flow in excess of valve rating.
a. Install flow meter in exhaust line of pump. Under
moderate load check for proper output (27 GPM at
2400 rpm).
Step 3.
Pressure in excess of valve rating.
a. Check relief valve setting with that recommended.
(Refer to TM 5-3810-306-20.) If OK, do Step 4.
Step 4.
Electrical failure.
a. Check wiring and solenoids.
37. EXTERNAL LEAKAGE AT CONTROL VALVE
Step 1.
Damage preformed packings or quad rings.
a. Inspect for chipped packings and replace. (Refer to
b. Repair valve. (Refer to page 13-72.)
Step 2.
Loose tie bolts.
a. Retorque tie bolts. (Refer to page 13-72.) If OK, do
Step 3.
Step 3.
Damaged solenoid.
a. Replace damaged parts. (Refer to page 13-72.)
3-28
