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PUMP PRIMING SYSTEM DOES NOT OPERATE PROPERLY - Continued
PUMP PRIMING SYSTEM DOES NOT OPERATE PROPERLY - Continued

Maintenance Manual For Tactical Fire Fighting Truck (Tfft) Model M1142 - 1 Page Navigation
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DRAFT
TM 5-4210-249-13&P-1
0115
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT04111
Step 15.
Check for 22 to 28 VDC between 6 gauge wire at driver main inlet primer valve control
solenoid terminal and a known good ground.
If 22 to 28 VDC are not present, replace 6 gauge wire from driver main inlet
primer valve control solenoid to pump house B+ stud (WP 0393).
Step 16.
Turn battery disconnect switch to OFF position (WP 0007). Disconnect jumperwire
2768 (white) from driver main inlet primer valve control solenoid terminal and pump
prime primer valve control solenoid terminal (WP 0266). Check for continuity across
jumperwire 2768 (white).
a.
If continuity is present, replace driver main inlet primer valve control
solenoid (WP 0266).
b.
If continuity is not present, repair jumperwire 2768 if repairable, or
replace jumperwire (TM 9-2320-325-14&P).
0115-11


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