TM 5-3825-270-23&P
0063
DECISION
No - Replace white wire between LEFT WATER SPRINKLER switch and RIGHT WATER SPRINKLER
switch. (WP 0099) Verify problem is solved. (Step 6 - Does cab control box LEFT WATER SPRINKLER switch
operate?)
Yes - Go to step 4. (Step 4 - Are less than 200 ohms measured on black wire at cab control box LEFT WATER
SPRINKLER switch to known good ground?)
STEP 4
Are less than 200 ohms measured on black wire at cab control box LEFT 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.
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.
4.
Connect red multimeter lead to black wire at cab control box engine speed SET switch.
WHITE WIRE
BACK OF CAB
CONTROL BOX
LEFT WATER
SPRINKLER SWITCH
BLACK WIRE
Figure 5. Cab Control Box Left 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 black wire at cab control box LEFT WATER SPRINKLER switch to known
good ground?