Table 4-2. Unit Troubleshooting-continued -706880251

TM 5-4210-233-14&P-1

Table 4-2. Unit Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL SYSTEM - PUMP PANEL - Continued

OUTRIGGER ALARM DOES NOT SHUT OFF WHEN OUTRIGGERS ARE DEPLOYED AND

OUTRIGGER DOWN LIGHTS ARE LIT

(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 7 of 16.)

Step 1. Check front left and front right outrigger down relays for +12V at wires 1249 (left)

and 1248 (right).

Replace outrigger down relay. (see para 4-9.4)

Step 2. Check left and right interlock and alarm relays for proper operation.

Replace relay (see para 4-9.4).

Step 3. Check wiring for continuity.

Replace wire (see para 4-9.4).

REAR PANEL OUTRIGGER DOWN LIGHT WILL NOT ILLUMINATE

(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 9 of 16.)

Step 1. Check bulb.

Replace bulb (see para 4-178).

Step 2. Place a jumper wire across the outrigger down limit switch terminals.

If light illuminates, replace outrigger down limit switch (see para 4-196).

If light fails to illuminate, go on to Step 3.

Step 3. Check wiring for continuity.

Replace wire (see para 4-9.4).

Step 4. Check aerial circuit breaker #2 for +12V.

Replace breaker (see para 4-99).

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