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_. COMPRESSED AIR SOURCES, PERSONAL INJURY MAY OCCUR IF EXPC'5-7-. .._;OP, TO ATT_.MPTING Ai TROUBLESHOOT|NG OR REPAIRS, THE COMPRESSOR MUST BE DISCONN,CTED FROM THE POWER SOURC NEVER OPERATE THE OUTFIT WITH THE CONSOLE REMOVED, THE CONSOLE SHOULD B__ REMOVED ON. WH_,N THE POWER CORD IS DISCONNECTED. PROBLEM CAUSE CORRECTION ....... ,,,,,,, Motor Will Not Run Motorov,rJ0adprof..on Let motor cool off and reset switch by preshas tripped. sing the red reset button located on the enc of motor. See motor section on page 6. Tank pressure exceeds pressure Motor will start automatically when tanl switch cut-in pressure: pressure drops below cut-in pressure o pressure switch. PROBLEM CAUSE CORRECTION Motor Will Not Run (Cont'd) Excessive Tank Pressure (Safety Valve Pops Off) Air Leaks ii, ii Fuse blown, circuitbreaker pped, Wrong gauge wire Or length of extension cord. Pressure release valve on pressure switch has not unloaded head pressure. Check valve struck. Loose electrical connections. Capacitor on the motor. Faulty motor. Pressure Switch doesn't shut off motor. Pressure switch cut-out too high, , i,, i Tube or hose r_tings loose. Defective check valve. iiiii iiii !) Check fuse box for blown fuse and replace as necessary or reset circuitbreaker. Do not use a fuse orcircuit breaker with a rating that is higher than what is specified for your particular branch circuit. (See Specification Chart, page 5.) 2) Check for proper fuse, only "Fusetron" Type T fuses are acceptable. 3) Remove check valve and clean or replace if it is stuck open or closed. 4) Check for low voltage conditions and/or proper extension cord. 5) Disconnect the other electrical appliances from circuitor operate the compressor on its own branch circuit Check forproper gauge wire and cord length. Refer to extension cord recommendation under motor section on page 8. Bleed line by pushing lever on pressure switchto OFF position which opens the pressure release valve. If valve still does not open, replace it. A defective check valve results in a constant air leak at the pressure release valve attached to the side of the pressure switch (19)when there ispressureinthe air tank and the compressor is not running. Remove and clea n or replace check valve (do not overtighten). Check wiring connection inside pressure switch. Pressure switch cover can easily be removed by lifting cover at rear of switch. Return to Sears Service Center to check and replace if necessary. Unless motor is visibly damaged, remove motor and have it checked at local Sears Service Center. ,i,.iiii ,,,,,,, Move pressure switch lever to the "off"position. If outfit doesn't shut off, replace the switch. Return outfit to Sears Service Center to check and adjust or replace if necessary. i jiiiiiii i iiiii ii Tighten fittings with audible leak and check fittings under pressure with soapy water solution (do not overtighten). . A defective check valve results in a constant air leak at the pressure release valve attached to the side of the pressure switch (19) when there is pressure inthe air tank and the compressor is not running. Remove and clean or replace check valve (do not overtighten). J I' .... _ ....... wx vv|_l_ q_VUIItl|lb_ PROBLEM CAUSE CORRECTION ii Air Leaks (Cont'd) Restricted Air Intake lln i ,,_ Squealing Souncl ii i i ,, Low Discharge Pressure iKnocking iiiiiiii Excessive Belt Wear Leak at welds. Air leak in safety valve. Dirty air filter. ,mini ,..i., pill il II Belt too loose. No oil in compressor, ii tit it,l _ ilillli Prolonged excess v,. use of air. Restricted air intake filter. Belt too loose. Hole in hose. Ill ",1111111111 Loose pulley. Low oil level. Flywheel loose. Compressor bolts loose. Loose belt. Carbon build up. Belt too loose. Belt too tight. Pulley wobble. DO NOT DRILL IKT_. WELD OF. OTHERWISE MO,:::)I_=_.AIR TANI'. ' OF TANK WILL BE WEAK=-.NED, TANK MUST 5--RF.PLA3_E:. Operate safety valve manually by pulling on ring. If valve still leaks, itshould be replaced. Clean or replace with new. ,,.,, iiiii iii iiiii __ "lighten wing nut on motor mount. Add oil to top of fill hole in base. ,i iii Decrease amount of air usage, compressor is not large enough for air requirement. See specification chart, page 5. Clean or replace air intake filter. Tighten wing nut on motor mount. Check and replace if required. Tighten pulley sat screw. Check oil level and maintain at prescribed level, Make sure flywheel is tight by tightening screw. Check all belts and tighten as required. Adjust wing nut on motor mount, Remove head and valve plate, Clean top of piston and bottom of valve plate. Reassemble using new gasket and torque screws to 25-30 ft.-tbs, ,,,ll,lllll Adjust tension using wing nut on motor mount. Adjust tension using wing nut on motor mount. Check for worn keyway or pulley bore resulting from running the compressor with loose pulleys. Also check for bent motor shaft. SEARS OWNERS MANUAL SERVICE MODEL NO. 919.176210 919.176311 919.176320 919.176330 HOW TO ORDER REPAIR...

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