TM 10-46106,241-24
TO 40W4-13-42
Table 2-2. Unit Troubleshooting-continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BACKWASH PUMP ASSEMBLY - continued
Step 3. Check for 115 VAC between contacts 1 and 2 (ground) on (vertical on Models WPES-10, WPES-20 and
WPES-30, horizontal on Models H-9518-1, H-9518-2, and H-9518-3), terminal board in timer.
a.
If voltage is measured, replace timer. Refer to Paragraph 2-68.
b.
If voltage is not measured, notify Direct Support Maintenance.
JUNCTION BOX ASSEMBLY
1.
UTILITY OUTLET CIRCUIT BREAKER CBS TRIPS/ FAILS TO RESET.
Step 1.
With circuit breaker CB8 OFF, disconnect power, wire (W39) from utility receptacle (para) and wrap with tape
to prevent shorting to chassis.
Step 2. Attempt to flip circuit breaker CB8 to ON.
a.
If circuit breaker stays on, replace utility outlet. Refer to Paragraph 2-73.
b.
If circuit breaker trips again, notify, Direct Support Maintenance.
2.
UTILITY OUTLET FAILS TO RESET WHEN RESET BUTTON IS PRESSED.
NOTE
Test button is used by operator to periodically check circuit.
Replace utility outlet if this malfunction occurs. Refer to Paragraph 2-73.
CONTROL BOX ASSEMBLY
1.
CONTROL PANEL INDICATORS FAIL TO LIGHT.
Replace light bulbs (Paragraph 2-72) if this malfunction occurs.
2-54 Change 1
