TM 5-3825-270-23&P
0057
WARNING
Remove all jewelry such as rings, ID tags, bracelets, etc., prior to working on or around
vehicle. 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.
4.
Connect red multimeter lead to white wire on cab control box ENGINE OFF/BATTERY DRAIN indicator.
BACK OF CAB
CONTROL BOX
RED WIRE/WHITE WIRE
CAB CONTROL
BOX ENGINE
OFF/BATTERY
DRAIN
INDICATOR
BLACK WIRE
Figure 5. Cab Control Box Engine Off/Battery Drain Indicator - Step 4.
5.
Connect black multimeter lead to a known good ground.
6.
Note multimeter reading.
CONDITION/INDICATION
Are 22 to 28 VDC measured at white wire on cab control box ENGINE OFF/BATTERY DRAIN indicator?
DECISION
No - Go to step 5. (Step 5 - Are 22 to 28 VDC measured at UPIK harness connector pin J?)
Yes - Go to step 6. (Step 6 - Are less than 200 ohms measured on black wire at cab control box ENGINE OFF/
BATTERY DRAIN indicator to known good ground?)
STEP 5
Are 22 to 28 VDC measured at UPIK harness connector pin J?
1.
Push EMERGENCY STOP switch in to off position. (TM 5-3825-270-10)
2.
Disconnect water distributor UPIK electrical harness from prime mover.
UPIK AIR
CONNECTION
UPIK
ELECTRICAL
CONNECTION
Figure 6. UPIK Electrical Connection - Step 5.
3.
Rotate EMERGENCY STOP switch to on position. (TM 5-3825-270-10)