TM 5-3825-270-10
OPERATOR MAINTENANCE
CAB CONTROL BOX LIGHTS SWITCH DOES NOT OPERATE
INITIAL SETUP:
References
Equipment Condition (cont.)
Discharge From Hose Reel Assembly (WP 0017)
Universal Power Interface Kit (UPIK) harness
Operating Lights (WP 0006)
connected to prime mover. (WP 0012)
Work Lights Do Not Operate (WP 0043)
Main control panel switches in appropriate position
to operate water distributor using cab control
box.
Equipment Condition
Engine OFF. (WP 0017)
TROUBLESHOOTING PROCEDURE
CAB CONTROL BOX LIGHTS SWITCH DOES NOT OPERATE
STEP 1
Do work lights operate using main control panel LIGHTS switch?
NOTE
If work lights operate using LIGHTS switch on main control panel, fault can be isolated to cab
control box or universal power interface kit (UPIK) harness.
1.
Attempt to operate work lights using main control panel. (WP 0006)
2.
Observe work lights. (WP 0006)
CONDITION/INDICATION
Do work lights operate using main control panel LIGHTS switch?
DECISION
No - Go to Work Lights Do Not Operate. (WP 0043)
Yes - Go to step 2. (Step 2 - Are cab control box and water distributor harnesses connected properly to prime
mover?)
STEP 2
Are cab control box and water distributor harnesses connected properly to prime mover?
1.
Push EMERGENCY STOP switch in to off position. (WP 0006)
2.
Check cab control box electrical connector.
0069-1