CONTROL IDENTIFICATION OR WARNING LIGHTS

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL CONTROL IDENTIFICATION OR WARNING LIGHTS (Engine Stop, Front Axle) If bulb fails, it will be necessary to replace the light assembly as follows: 1. Pry old light assembly out of slot in instrument panel. Be careful not to scratch finish of instrument panel. 2. Disconnect light assembly from wiring harness. 3. Discard old light assembly. 4. Connect new light assembly to wiring harness. 5. Position light assembly into slot in instrument panel. Push light assembly inward until retaining tangs "snap" into position securing light to instrument panel. 6. Check light operation. AUXILIARY GAUGE ILLUMINATION LIGHT (Engine Oil Temperature, Transmission Oil Temperature) BULB REPLACEMENT 1. Remove mounting screws* from cluster panel holding radio, ashtray and auxiliary gauge(s). * 6 without radio; 8 with radio. On 2200 series vehicles, 8 without radio; 10 with radio. 2. Tip panel outward to gain access to instrument (Figure 21). Fig. 21 Auxiliary Gauge Illumination Light (Typical) 1 Light Socket 3. Disconnect light socket from instrument. 4. Press bulb in lightly and turn counterclockwise to disengage retaining pins. CTS - 4088 Page 12

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