TM 5-3825-270-23&P
0064
DECISION
No - Replace white wire between RIGHT WATER SPRINKLER switch and cab control box tachometer.
(WP 0099) Verify problem is solved. (Step 6 - Does cab control box RIGHT WATER SPRINKLER switch
operate?)
Yes - Go to step 4. (Step 4 - Are less than 200 ohms measured on white wire at cab control box RIGHT WATER
SPRINKLER switch to known good ground?)
STEP 4
Are less than 200 ohms measured on white wire at cab control box RIGHT WATER SPRINKLER switch to
known good ground?
1.
Push in EMERGENCY STOP switch to off position. (TM 5-3825-270-10)
2.
Disconnect batteries. (WP 0085)
3.
Set multimeter to measure continuity.
4.
Connect red multimeter lead to white wire at cab control box RIGHT WATER SPRINKLER switch.
BACK OF CAB
CONTROL BOX
WHITE JUMPER WIRES
RIGHT WATER
SPRINKLER SWITCH
WHITE WIRE
Figure 5. Cab Control Box Right Water Sprinkler Switch - Step 4.
5.
Connect black multimeter lead to known good ground.
6.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured on white wire at cab control box RIGHT WATER SPRINKLER switch to known
good ground?
DECISION
No - Go to step 5. (Step 5 - Are less than 200 ohms measured at UPIK harness connector pin N to known good
ground?)
Yes - Replace cab control box RIGHT WATER SPRINKLER switch. (WP 0209) Verify problem is solved. (Step
6 - Does cab control box RIGHT WATER SPRINKLER switch operate?)
STEP 5
Are less than 200 ohms measured at UPIK harness connector pin N to known good ground?
1.
Disconnect water distributor UPIK electrical harness from prime mover.