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TM10-3930-660-20
8-23.
EMERGENCY STEER PUMP RELAY (PUMP-MOUNTED) - TEST/REPLACE (Cont'd)
TESTING
1. DISCONNECT ELECTRICAL LEADS AND
CABLES FROM RELAY AS DESCRIBED IN
REMOVAL SECTION OF THIS PARAGRAPH.
2. TEST RELAY FOR PROPER SOLENOID
OPERATION.
a. Apply 24 volts DC to terminals (b)
and (c).
b. Listen for click when voltage is
applied.
If no click is heard,
relay is defective and must be
replaced.
Refer to REMOVAL and
INSTALLATION sections in this
paragraph.
3. TEST RELAY FOR CONTINUITY.
a. Apply 24 volts DC to terminals (b)
and (c).
b. Connect an ohmmeter across
terminals (a) and (d).
c. Ohmmeter should indicate
continuity across terminals (a)
and (d).
d. Remove 24 volts DC from terminals
(b) and (c).
e. Ohmmeter should indicate no
continuity across terminals (a)
and (d).
f. Replace relay if continuity
requirements are not met in tests
3C and 3e.
Refer to REMOVAL
and INSTALLATION sections of this
paragraph.
4. CONNECT ELECTRICAL LEADS AND CABLES
TO RELAY AS DESCRIBED IN
INSTALLATION SECTION OF THIS
PARAGRAPH.
5. CONNECT NEGATIVE BATTERY CABLE,
PARA. 8-44.
8-61
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