TM 5-3825-270-23&P
0061
UPIK HARNESS
PIN D
CONNECTOR
Figure 10. UPIK Harness Connector Pin D - Step 7.
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 D 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 engine speed RPM switch operate?)
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 engine speed RPM switch operate?)
STEP 8
Does cab control box engine speed RPM switch operate?
1.
If disconnected, connect batteries. (WP 0085)
2.
Ensure water distributor is set up to be operated using cab control box. (TM 5-3825-270-10)
3.
Rotate EMERGENCY STOP switch to on position. (TM 5-3825-270-10)
4.
Operate engine using cab control box engine speed RPM switch.
CAB CONTROL
BOX ENGINE
SPEED RPM
SWITCH
Figure 11. Cab Control Box Engine Speed RPM Switch - Step 8.
CONDITION/INDICATION
Does cab control box engine speed RPM switch operate?