TM 5-3825-270-23&P
FIELD MAINTENANCE
CAB CONTROL BOX ENGINE SPEED RPM SWITCH DOES NOT OPERATE
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Universal Power Interface Kit (UPIK) Wire Harness
Tool Kit, General Mechanic's: Automotive
Replacement (WP 0108)
(WP 0225, Table 1, Item 12)
Water Distributor Operator Manual (TM
Multimeter (WP 0225, Table 1, Item 4)
5-3825-270-10)
References
Battery Disconnect/Connection (WP 0085)
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Cab Control Box Engine Speed RPM Switch
Universal Power Interface Kit (UPIK) harness
Replacement (WP 0212)
connected to prime mover. (TM
Cab Control Box Wiring Harness Replacement
5-3825-270-10)
General Wire Harness Repair (WP 0099)
Main Control Panel Engine Speed RPM Switch
Does Not Operate (WP 0041)
TROUBLESHOOTING PROCEDURE
CAB CONTROL BOX ENGINE SPEED RPM SWITCH DOES NOT OPERATE
STEP 1
Does main control panel engine speed RPM switch operate?
NOTE
If engine speed RPM switch operates on main control panel, fault can be isolated to cab
control box or universal power interface kit (UPIK) harness.
Attempt to operate engine using main control panel engine speed RPM switch. (TM 5-3825-270-10)
CONDITION/INDICATION
Does main control panel engine speed RPM switch operate?
DECISION
No - Go to Main Control Panel Engine Speed RPM Switch Does Not Operate. (WP 0041)
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.
0061-1