TM 3-4230-209-10
Table 3-1. TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. PUMP PRESSURE LOW OR FALLING (CONT).
Step 2. Check drive belts for proper tension with tensiometer. Adjust drive
belt tension (para 3-7).
Step 3. Check to see that VALVE NO. 4 PRIME (as illustrated) is closed
after priming pump and before prime-detergent tank is empty.
a. Close VALVE NO. 4 PRIME.
b. Refill prime-detergent tank.
c. Open VALVE NO. 4 PRIME and prime pump.
d. Close VALVE NO. 4 PRIME before tank is empty.
3. PUMP INOPERATIVE (FAILS TO OPERATE).
Step 1. Check to see that VALVE NO. 4 PRIME is closed after priming
pump and before prime-detergent tank is empty.
a. Close VALVE NO. 4 PRIME.
b. Refill prime-detergent tank.
c. Open VALVE NO. 4 PRIME and prime pump.
d. Close VALVE NO. 4 PRIME before tank is empty.
Step 2. To check to see if VALVE NOS. 1,2, or 3 are closed, open one or
more of these valves. See instruction on starting procedure plate.
3-6
