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Fabricar: Allegro Industries Tamaño del archivo: 199.58 kb Nombre del archivo: Idioma del manual:

Remove only the endplate by removing the six bolts holding the end plate to the body. 2. Remove the endplate and the four vanes, pay attention to the direction the vanes are facing. 3. Do not remove the rotor or loosen any electric motor “through-bolts.” 4. Inspect used vanes for signs of cracking due to backpressure. 5. Inspect interior surface of chamber and rotor, for any signs of scaring or metal to metal contact. 6. Ensure surface is smooth and free of rust or contaminants, sand down surface if needed. 7. Clean with appropriate flushing solution. 8. If necessary align body to set proper clearance. 9. Insert the vanes with the beveled edge fitting the contour of the body bore of the pump. 10. The rotor should be turned while setting clearance to assure that all points on the rotor clear the body. 11. Replace the endplate and endplate bolts securely. (Do not over-tighten). P A R T S & A C C E S S O R I E S All Models • 9700-02 Exhaust filter element (Each) • 9700-11 Pump flushing liquid • 9700-15 Exhaust filter canister (Canister only) • 9700-65 Universal inlet hose kit (50 Feet) • 9700-68 .” Coupler, locking Hansen • 9700-69 .” Coupler, Hansen • 9700-71 .” Coupler, Schrader • 9700-72 .” Coupler, Hansen • 9700-73 .” Coupler, OBAC • 9700-74A .” Coupler, Hansen Model A-300 • 9700-04 Pressure gauge • 9700-07 Inlet filter • 9700-79 Pressure relief valve • 9700-40 Service kit (includes set of 4 vanes, filters & flushing liquid) • 9512-02A Electric power cord Models A-750, A-750TE • 9700-01 Inlet filter element (each) • 9700-04 Pressure gauge • 9700-03 Pressure relief valve • 9700-05 Carrying handle • 9700-06 Rubber foot (4 Ea. required) • 9700-08 Inlet filter assembly • 9700-09 Exhaust filter assembly (filter element incl.) • 9700-50 Service kit (includes set of 4 vanes, filters & flushing liquid) • 9512-02 Electric cord with integrated switch. Models: A-1500TE, A-1500EX, A-4000AD • 9700-01 Inlet filter element (each) • 9700-55 Service kit (includes set of 4 vanes, filters & flushing liquid) • 9700-76 Pressure relief valve • 9700-77 Inlet filter assembly • 9700-78 Exhaust filter assembly • 9700-04 Pressure gauge Model A-3000ATE • 9700-76 Pressure relief valve • 9700-78 Exhaust filter assembly • 9842-01 Inlet filter element (each) • 9842-04 Pressure gauge • 9842-56 Service kit (includes set of 4 vanes, filters & flushing liquid) • 9842-75 Electrical cord (30Amp NEMA Plug) • 9842-77 Inlet filter assembly T R O U B L E S H O O T I N G ELECTRIC MODELS: 1) If motor fails: • If motor is extremely cold. o Bring to room temperature before starting. • Ensure respirator and hose are connected when pump is running; failure to do so may cause lock-up. o Loosen all six pump endplate bolts slightly. Re-tighten and try to run unit. • Some motors are thermally protected. An electrical overload or mechanical failure may cause a thermally protected motor to stop running. o Let motor cool down (15-20 min.) and try restarting. • If the motor fails to start or hums. o Pull plug and check for correct electrical current as shown on motor nameplate. o Check the wiring instructions on motor case or on thermal plate cover. • If electrical motor hums but the air pump is not turning. o Turn off motor, loosen all six end plate bolts, then re-tighten and start unit. o If unsuccessful, remove endplate. o Check vanes and rotor for free movement. o Broken or chipped vanes should be replaced. • If rust has formed in pump chamber due to exposure to moisture. o Sand down if necessary. o Clean chamber with approved solvents. • If pump becomes noisy. o Check for sticking vanes. o Flush pump, if necessary replace vanes (see disassembly for instructions) 2) If output air hot or pump is running hot: • If there is a drastic temperature increase on pump surface or air temperature coming out of the respirator. o Check alignment of pump rotor and housing. (see Maintenance section) • If outlet pressure is too high. o Adjust pressure relief valve, while maintaining sufficient air flow to the respirator. • Check inlet and/or exhaust filter for excessive dirt or dust. o Replace if necessary. • Check airline hose. o Loosen hose coils to allow heat to dissipate. o Use NIOSH approved airline hose only. o Do not use more than 100 feet of airline hose per respirator user. o Joining separate lengths of airline hose to complete 100 feet will increase pressure and temperatures. 3) If there is a rise in outlet pressure: • Check for kinked airline hoses. • Make sure only NIOSH approved airline hoses are used • Adjust pressure relief valv...

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