TM 5-3825-270-23&P
FIELD MAINTENANCE
CAB CONTROL BOX ENGINE START/STOP SWITCH DOES NOT OPERATE
INITIAL SETUP:
References (cont.)
Tools and Special Tools
General Wire Harness Repair (WP 0099)
Tool Kit, General Mechanic's: Automotive
Universal Power Interface Kit (UPIK) Wire Harness
(WP 0225, Table 1, Item 12)
Replacement (WP 0108)
Multimeter (WP 0225, Table 1, Item 4)
Water Distributor Operator Manual (TM
5-3825-270-10)
References
Battery Disconnect/Connection (WP 0085)
Cab Control Box Engine Start/Stop Switch
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Replacement (WP 0208)
Universal Power Interface Kit (UPIK) harness
Cab Control Box Wiring Harness Replacement
connected to prime mover. (TM
5-3825-270-10)
Engine Does Not Crank (WP 0006)
TROUBLESHOOTING PROCEDURE
CAB CONTROL BOX ENGINE START/STOP SWITCH DOES NOT OPERATE
STEP 1
Does engine start using main control panel ENGINE START/STOP switch?
NOTE
If engine starts using ENGINE START/STOP switch on main control panel, fault can be
isolated to cab control box or universal power interface kit (UPIK) harness.
Attempt to start engine using main control panel ENGINE START/STOP switch. (TM 5-3825-270-10)
CONDITION/INDICATION
Does engine start using main control panel ENGINE START/STOP switch?
DECISION
No - Go to Engine Does Not Crank. (WP 0006)
Yes - Go to step 2. (Step 2 - Are cab control box and water distributor harnesses connected properly to prime
mover?)
STEP 2
Are cab control box and water distributor harnesses connected properly to prime mover?
1.
Push EMERGENCY STOP switch in to off position. (TM 5-3825-270-10)
2.
Check cab control box electrical connector.
0067-1