TM 5-3825-270-23&P
0059
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.
3.
Connect red multimeter lead to UPIK harness connector pin V.
UPIK HARNESS
CONNECTOR
PIN V
Figure 9. UPIK Harness Connector Pin V - Step 6.
4.
Connect black multimeter lead to a known good ground.
5.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured at UPIK harness connector pin V to known good ground?
DECISION
No - Wiring in water distributor UPIK harness is faulty. Replace UPIK harness. (WP 0108) Verify problem is
solved. (Step 8 - Does cab control box tachometer operate normally?)
Yes - Wiring in cab control box harness is faulty. Replace cab control box wiring harness. (WP 0206) Verify
problem is solved. (Step 8 - Does cab control box tachometer operate normally?)
STEP 7
Are 22 to 28 VDC measured at UPIK harness connector pin U?
1.
Push EMERGENCY STOP switch in to off position. (TM 5-3825-270-10)
2.
Disconnect water distributor UPIK electrical harness from prime mover.