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AERIAL POSITION OF DIVERTER CONTROL VALVE DOES NOT FUNCTION WITH OUTRIGGERS PROPERLY DEPLOYED
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TM-5-4210-233-14P-1 Twin Agent 4x4 Firefighting Truck Model No. CM-KFT-B Manual
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AERIAL LADDER FUNCTIONS WITHOUT OUTRIGGER DEPLOYED
TM 5-4210-233-14&P-1 Table 4-2.  Unit Troubleshooting - Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION ELECTRICAL SYSTEM - PUMP PANEL - Continued 8 OUTRIGGER POSITION OF AERIAL DIVERTER VALVE DOES NOT FUNCTION WITH AERIAL LADDER NESTED (Refer to Electrical Wiring Diagrams, Appendix H, Sheet 9 of 16.) Step 1. Check that manual override engages outrigger hydraulics. Refer to hydraulic troubleshooting. Step 2. Check that diverter valve manual override lever is disengaged.  Control lever should move freely and T-handle should be in the horizontal position. If lever does not move freely, unlock lever by turning T-handle to horizontal position and try outrigger position of diverter valve switch again. If lever moves freely, go on to Step 3. Step 3. With ladder nested, check for continuity between wires 1241 and 1230 at aerial nested limit switch.  Be sure switch is functioning properly. Adjust/replace aerial nested limited switch (see para 4-9.4). Step 4. Check diverter valve switch for proper operation. Replace diverter valve switch (see para 4-179). Step 5. Check diverter valve "aerial" solenoid for +12 volt signal with switch in aerial position. Replace solenoid (see para 4-9.4). Step 6. Check wiring for continuity. Replace wire (see para 4-9.4). Step 7. Check circuit breaker #2 on aerial buss for +12V. Replace circuit breaker #2 (see para 4-99). If further troubleshooting is required, refer to "+12 volts not present at emergency master buss" troubleshooting procedure. 4-125

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