TM 5-3825-270-23&P
FIELD MAINTENANCE
CAB CONTROL BOX ENGINE SPEED SET 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 Speed Set Button
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Replacement (WP 0213)
Universal Power Interface Kit (UPIK) harness
Cab Control Box Wiring Harness Replacement
connected to prime mover. (TM
5-3825-270-10)
Main Control Panel Engine Speed Set Switch Does
Not Operate (WP 0042)
TROUBLESHOOTING PROCEDURE
CAB CONTROL BOX ENGINE SPEED SET SWITCH DOES NOT OPERATE
STEP 1
Does main control panel engine speed SET switch operate?
NOTE
If engine speed SET 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 SET switch. (TM 5-3825-270-10)
CONDITION/INDICATION
Does main control panel engine speed SET switch operate?
DECISION
No - Go to Main Control Panel Engine Speed Set Switch Does Not Operate. (WP 0042)
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.
0062-1