TM 5-3825-270-23&P
0012
CONDITION/INDICATION
Is problem with engine speed present when using main control panel?
DECISION
No - Cab control box or universal power interface kit (UPIK) harness may be faulty. Go to Cab Control Box
Engine Speed RPM Switch Does Not Operate. (WP 0061)
Yes - Go to step 2. (Step 2 - Are less than 200 ohms measured from red/white wire at engine speed RPM switch
to governor controller harness connector pin E1?)
STEP 2
Are less than 200 ohms measured from red/white wire at engine speed RPM switch to governor controller
harness connector pin E1?
WARNING
Ensure electrical power is off prior to working on all electrical systems. Failure to comply
may result in injury or death to personnel.
Remove all jewelry, such as rings, ID tags, bracelets, etc., prior to working on or around
equipment. Jewelry and tools can catch on equipment, contact positive electrical circuits,
and cause a direct short, severe burns, or electrical shock. Failure to comply may result
in injury or death to personnel.
1.
Disconnect batteries. (WP 0085)
2.
Remove rear engine access cover. (TM 5-3825-270-10)
3.
Disconnect governor controller harness connector. (WP 0092)
CAUTION
Ensure to support weight of control panel faceplate when lowering for troubleshooting/
maintenance purposes. Failure to comply may result in damage to equipment.
4.
Remove six control panel faceplate screws.
0012-2