BLOWER MOTOR ASSEMBLY AND FAN

Figure 24. - Control Assembly and Cables

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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S-SERIES AIR CONDITIONING - HEATER SYSTEM 7. Lower hood and fender assembly. 8. Reinstall radiator grille. BLOWER MOTOR ASSEMBLY AND FAN Removal 1. Make sure key and blower motor switch is OFF or battery ground strap has been disconnected. 2. Remove cover from right side of instrument panel. 3. Remove cover from blend-air unit housing. 4. Disconnect blower motor wiring connector and ground wire. 5. Disconnect motor cooling air hose from blower housing (where equipped). 6. Remove mounting screws and remove blower motor assembly from blower housing (Figure 27). 7. Remove fan lock nut and lift fan and spacer from motor shaft. Installation 1. Install fan on motor shaft as follows: a. Position metal spacer in shaft hole In fan (motorside). b. Position fan on motor shaft. c. Install fan lock nut and tighten to 1.4 to 1.7 N•m (12-15 lb-in). 2. Install blower motor assembly on blower housing and install mounting screws. 3. Connect motor cooling air hose to outlet on blower housing (where equipped). CTS4066A Page 17

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