TM 5-3610-287-24
Organizational Troubleshooting (Cont)
Table 2-3.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
MAIN PUMP DOES NOT OPERATE (CONT)
Step 4.
Remove top cover on pressure switch and turn adjusting
screw to left. Retest voltage as in step 3.
If reading is correct, set circuit breaker to OFF and
reconnect wiring. Pump will be operational.
If reading is incorrect, replace pressure switch (para
7.
MAIN PUMP OPERATES INTERMITTENTLY, LOW WATER PRESSURE.
Step 1.
Check water tank level.
Refill water tank.
Step 2.
Check that angle valve is off.
Turn angle valve to right (off).
Step 3.
Visually check water lines for clogs or leaks.
Replace or unclog water lines.
Step 4.
Visually check main pump for seam/gasket leaks.
Replace main pump (para 2-43).
WARNING
HIGH VOLTAGE. When working on high voltage
components, always have an additional person
present. Keep one hand away from equipment to
reduce hazard of current flowing through vital
organs of body. Remove all jewelry from
fingers, wrists, and neck before working on
electrical components. Failure to observe this
warning may result in death or serious burns.
Step 5.
Remove top cover from pressure switch and turn pressure
switch adjustment to left.
Replace pressure switch (para 2-42).
