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Industrial Series

Quincy Compressor

50263-106, October 2004

20

3501 Wisman Lane, Quincy IL - 62305-3116

PROBLEM

CAUSES

CORRECTION

1.

Turn unit off, unplug it, &
tighten or replace fittings or
components.

2.

Replace faulty check valve.

1.

Loose connection or leak (pipe,
tank drain valve, tubing,
fitting or hose).

2.

Faulty check valve.

12. Tank loses pressure rapidly

when compressor shuts off.

1.

Check for leaks or restrictions
in hose or piping.  Repair.

2.

Clean or replace filter.

3.

Tighten belt (refer to Belt
Alignment & Adjustment).

4.

Replace with larger hose or
connectors.

5.

Either use a smaller tool or a
larger compressor.

6.

Turn the regulator to the
proper setting / replace faulty
regulator.

1.

Leaks or restrictions.

2.

Restricted air intake (filter
plugged).

3.

Slipping belt.

4.

Hose or hose connectors too
small.

5.

Compressor incorrectly sized.

6.

Regulator not turned up to
high enough pressure / faulty
regulator.

11. Insufficient pressure at tool or

accessory.

1.

Contact qualified electrician.

1.

Reversed wiring polarity.

10. Compressor runs backwards.

1.

Change lubricant.  Move
compressor or air inlet to less
humid atmosphere.

1.

Water in lubricant due to
humidity or condensation.

9.

Crankcase lubricant is milky.

1.

Take to Authorized Service
Center.

1.

Damaged inlet (reed) valve.

8.

Air blowing from inlet filter.

1.

Drain lubricant.  Refill to
proper level with proper
lubricant (refer to Lubrica-
tion).

2.

Tighten bolts on compressor
to proper torque or replace
gaskets.

3.

Take to Authorized Service
Center.

4.

Drain lubricant & refill with
proper lubricant (refer to
Lubrication).

5.

Level compressor.

6.

Take to Authorized Service
Center.

7.

Clean or replace crankcase
breather.

1.

Crankcase overfilled with
lubricant.

2.

Lubricant leaks.

3.

Worn piston rings.

4.

Wrong lubricant viscosity.

5.

Compressor on unlevel
surface.

6.

Scored cylinder.

7.

Plugged crankcase breather.

7.

Excessive lubricant consump-
tion and/or excessive lubricant
in hose.

Summary of Contents for QTS Series

Page 1: ...entirety and understood prior to installation by all personnel who install operate and or maintain this product Manual No 50263 106 October 2004 Edition Instruction Manual QTS QTS QTS QTS QTS Industr...

Page 2: ...received a completed warranty registration card within thirty 30 days of your purchase of this compressor or at the time service is requested you must be prepared to provide proof of purchase in the f...

Page 3: ...t motor only DANGER Under no circumstances should a compressor be used in an area where toxic volatile or corrosive agents are used or stored near the compressor This instruction manual and any instru...

Page 4: ...iring Schematic for 120 VAC Single Phase 1 Thru 5 h p Stationary Units WP 1753A Fig 2 Wiring Schematic for 240 VAC Single Phase 1 Thru 5 h p Portable Units WP 1753C Fig 4 Wiring Schematic for 240 VAC...

Page 5: ...16 Fig 5 Four Cylinder Single Stage 3 Phase Units With 1750 RPM Motor Only Wiring Schematic WP1744A Magnetic Starter Contactor Overload Relay Connect incoming power lines at screw terminals L1 L2 L3 C...

Page 6: ...nections at screw terminals L1 L2 Fig 6 Four Cylinder Single Stage Single Phase Units With 1750 RPM Motor Only Wiring Schematic WP1744B Magnetic Starter Contactor Overload Relay Connect incoming power...

Page 7: ...pacitor Start Capacitor Run 3450 RPM Motor Only Wiring Schematic WP1753 Install incoming power line connections at screw terminals L1 L2 Pressure Switch Connect incoming power line at this screw termi...

Page 8: ...L 62305 3116 Fig 8 Single Phase MDR Pressure Switch Overload Relay 1750 RPM Motor Connection Diagram Rated 22 30 Amps Connect incoming power lines at screw terminals L1 L2 Pressure Switch CAUTION Veri...

Page 9: ...a problem Do not operate the compressor until the source has been identified and corrected by a qualified techni cian Electrical Information The installation electric motor wiring and all elec trical...

Page 10: ...tment instructions from the manufacturer includedintheenvelopeshippedwith the compressor unit Pressure Relief Valves Pressure relief valves aid in preventing system fail ures by relieving system press...

Page 11: ...other contaminants Compressed Air Discharge System All parts of the discharge piping should fit so as not to create any stress between the piping and connec tions WARNING Discharge piping can exceed 3...

Page 12: ...ing It could restart at any time Follow all safety precautions outlined in MAIN TENANCE Step 1 Basic compressors are shipped without lu bricant in the crankcase Add lubricant per specifications Refer...

Page 13: ...dicatethepresenceofcondensedliquids Refer to TROUBLESHOOTING Drain the air tank drop legs and moisture traps in air distribution system Tank s subjected to freezing temperatures may contain ice Store...

Page 14: ...distributor in several container sizes Refer to the parts manual for part numbers A non detergent SAE 10W SAE 20W or SAE 30 weight lubricant may be used in your compressor Refer to the chart below to...

Page 15: ...uns parallel to the straightedge Use a wheel puller to move the motor pulley on the shaft Properly adjusted a 3 pound pressure applied to the belt between the motor pulley and the compres sor flywheel...

Page 16: ...aximum pressure will void the warranty and may cause personal injury Step 3 Turn clockwise to increase unload pres sure turn counterclockwise to decrease unloadpressure Holdpositionwithwrench and proc...

Page 17: ...Industrial Series Quincy Compressor 50263 106 October 2004 16 3501 Wisman Lane Quincy IL 62305 3116 DECAL LOCATIONS...

Page 18: ...Industrial Series Quincy Compressor 50263 106 October 2004 17 3501 Wisman Lane Quincy IL 62305 3116 TYPICAL DECAL LOCATIONS FOR VERTICAL UNITS model QT 5 vertical unit shown...

Page 19: ...used 3 Replace check valve or unloader 4 Check with voltmeter 5 Replace with correctly sized motor 6 Check for proper size fuse 7 Replace motor 8 Change power cord voltage of motor to match voltage o...

Page 20: ...fer to Belt Alignment Adjustment 11 Replace motor 12 Move the compressor to a well ventilated area 13 Change power cord voltage of motor to match voltage of power source PROBLEM CAUSES CORRECTION 1 Re...

Page 21: ...ed up to high enough pressure faulty regulator 11 Insufficient pressure at tool or accessory 1 Contact qualified electrician 1 Reversed wiring polarity 10 Compressor runs backwards 1 Change lubricant...

Page 22: ...der head cooling fins 3 Unit is undersized for applica tion 4 Insufficient lubrication 5 Compressor runs backwards 6 One or more head valves failing to seat properly 7 Damaged cylinder head gasket 8 R...

Page 23: ...n thirty 30 days after receipt of notification of readiness for shipment Claims for shortages will be deemed to have been waived if not made in writing with ten 10 days after the receipt of the materi...

Page 24: ...he instruction manual provided with Quincy Compressor products as well as any instructions supplied by manufacturers of supporting equipment should be read and understood prior to performing maintenan...

Page 25: ......

Page 26: ...Systems ocating Systems ocating Systems ocating Systems 217 222 7700 Air Master Air Master Air Master Air Master Air Master 217 277 0270 E mail E mail E mail E mail E mail info quincycompressor com We...

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