11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
40
TROUBLESHOOTING
MOTOR WILL NOT RUN
2. Touch a jumper wire to terminals B & D (FIG. 40-1). If
motor runs, check control switch, the switch connections,
and white wire. Check and correct wiring connections or
replace the control switch.
3. Touch heavy jumper cables to terminals A & B
(FIG. 40-1).
a. If motor runs, replace the starter solenoid.
b. If motor does not run, repair or replace the pump motor.
1. Connect voltmeter between
starter solenoid terminal B and
ground connection on pump
(FIG. 40-1). Verify that full bat-
tery voltage is at B. Recharge the
batteries if voltmeter indicates
less than 12.6 volts DC, or 25.2
volts DC for a 24 volt system.
GRAVITY DOWN POWER UNIT
FIG. 40-1
TERMINAL A
LOAD
STARTER
SOLENOID
GROUND
CONNECTION
TERMINAL B
BATTERY (+)
TERMINAL C
GROUND (-)
VALVE S1
TERMINAL D
SWITCHED
BATTERY (+)
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