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Porter-Cable C7550 manual

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Table of contents for the manual

  • Page 1

    Oil Lube T wo Stage Air Compr essor Instruction manual IMPORT ANT Please make certain that the person who is to use this equipment carefully reads and understands these instructions before starting operations. Part No. D27042-045-0 ESP AÑOL: PÁGINA 27 FRANÇAIS: P AGE 53 T o lear n more about Porter -Cable visit our website at: http://www .porter[...]

  • Page 2

    2-ENG D27042 SAFETY GUIDELINES - DEFINITIONS Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, may result in minor o[...]

  • Page 3

    3-ENG D27042 IMPORT ANT SAFETY INSTRUCTIONS Save these instructions Improper operation or maintenance of this pr oduct could result in serious injury and property damage. Read and understand all warnings and operation instructions before using this equipment. HAZARD WARNING: Risk of explosion or fir e How T o Prevent It What Could Happen It is norm[...]

  • Page 4

    4-ENG D27042 WARNING: Risk of Bursting Air T ank: The following conditions could lead to a weakening of the tank, and result in a violent tank explosion and could cause property damage or serious injury . How T o Prevent It What Could Happen WARNING: Risk fr om Flying Objects The compressed air stream can cause soft tissue damage to exposed skin an[...]

  • Page 5

    5-ENG D27042 WARNING: Risk to Br eathing WARNING: Risk of Electrical Shock HAZARD HAZARD Y our air compressor is powered by electricity . Like any other electrically powered device, If it is not used properly it may cause electric shock. Repairs attempted by unqualified personnel can result in serious injury or death by electrocution. Electrical Gr[...]

  • Page 6

    6-ENG D27042 WARNING: Risk of Burns T ouching exposed metal such as the compressor head or outlet tubes, can result in serious burns. Never touch any exposed metal parts on compressor during or immediately after operation. Compressor will r emain hot for several minutes after operation. Do not reach ar ound protective shr ouds or attempt maintenanc[...]

  • Page 7

    7-ENG D27042 Review and understand all instructions and war nings in this manual. Become familiar with the operation and controls of the air compr essor . Keep operating area clear of all persons, pets, and obstacles. Keep children away fr om the air compressor at all times . Do not operate the product when fatigued or under the influence of alcoho[...]

  • Page 8

    8-ENG D27042 Model No. C7550 Horsepower Peak 7.0 V oltage-Single Phase 240V Minimum Branch Circuit Requir ement 30 amps *Fuse T ype Time Delay Air T ank Capacity , Gallons 80 ASME, V ertical Approximate Cut-in Pr essure 140 PSIG Approximate Cut-out Pr essure 175 PSIG SCFM @ 100 psig 15.6 SCFM @ 175 psig 15.2 GLOSSAR Y DUTY CYCLE Accessories for thi[...]

  • Page 9

    Multi-Viscosity motor oils, like 10W 30, should not be used in an air compressor . They leave carbon deposits on critical components, thus reducing performance and compressor life. Use air compressor oil only . NOTE: Oil is included with some units. If oil is not included, use an oil specifically formulated for use in an air compressor , such as Po[...]

  • Page 10

    10-ENG D27042 1. Place the air compressor on a solid, level surface. 2. Mark the surface using the holes in the air compressor feet as a template. 3. Drill holes in the surface for the concrete anchors. Install concrete anchors. 4. Line-up holes in surface with holes in air compressor feet. 5. Place the (4) washers (supplied) between the floor and [...]

  • Page 11

    11-ENG D27042 V oltage and Circuit Protection Refer to the specification chart for the voltage and minimum branch circuit requir ements. GROUNDING INSTRUCTIONS This product should be connected to a metallic, permanent wiring system, of an equipment-grounding terminal or lead on the product. Wiring Instructions Risk of Electrical Shock. Improper ele[...]

  • Page 12

    12-ENG D27042 Air Distribution System Risk of Bursting. Plastic or PVC pipe is not designed for use with compressed air . Regardless of its indicated pressur e rating, plastic pipe can burst from air pr essure. Use only metal pipe for air distribution lines. The next figure r epresents a typical air distribution system. The following are tips to r [...]

  • Page 13

    13-ENG D27042 Globe V alve T ank Pressur e Gauge Safety V alve On/Auto/Off Switch Pressur e Switch T ank Pressure Gauge: The tank pressur e gauge indicates the reserve air pressur e in the tank. Globe V alve (sold separately): Opens and closes air discharge valve. T urn knob counter -clockwise to open and clockwise to close. Regulator (sold separat[...]

  • Page 14

    14-ENG D27042 Air Compressor Pump (not shown): Compresses air into the air tank. W orking air is not available until the compressor has raised the air tank pressur e above that requir ed at the air outlet. Drain V alve: The drain valve is located at the base of the air tank and is used to drain condensation at the end of each use. Check V alve: Whe[...]

  • Page 15

    15-ENG D27042 2. Check oil level in pump. See "Oil" paragraph in the "Maintenance" section for instructions. 3. Recheck all wiring. Make sure wires ar e secure at all terminals connections. Make sure all contacts move freely and ar e not obstructed. 4. Open the globe valve fully to permit air to escape and prevent air pressur e [...]

  • Page 16

    16-ENG D27042 MAINTENANCE Customer Responsibilities Daily or after each use Before each use ● ● ● ● Every 8 hours Every 40 hours Every 100 hours Y early Every 160 hours ● ● 1 1- more fr equent in dusty or humid conditions Check Safety V alve Drain T ank Oil Leaks Check Oil Change Oil Air Filter NOTE: See "Operation" section fo[...]

  • Page 17

    17-ENG D27042 T o Drain T ank NOTE: Operation of the air compressor will cause condensation to build up in the air tank. Always drain tank on a washable surface or in a suitable container to prevent damaging or staining surfaces. 1. Set the On/Auto/Off lever to "Off". 2. Close the globe valve. 3. Remove the air tool or accessory . 4. Open[...]

  • Page 18

    18-ENG D27042 Air Filter - Inspection and Replacement Hot surfaces. Risk of burn. Compressor heads ar e exposed when filter cover is removed. Allow compressor to cool prior to servicing. Keep the air filter clean at all times. Do not operate the air compressor with the air filter removed. A dirty air filter will not allow the compressor to operate [...]

  • Page 19

    19-ENG D27042 Air Compressor Pump Intake and Exhaust V alves Once a year have a T rained Service T echnician check the air compressor pump intake and exhaust valves. Inspect Air Lines and Fittings for Leaks 1. T urn air compressor of f, lock out the power supply , and relieve all air pressur e from the air tank. 2. Apply a soap solution to all air [...]

  • Page 20

    20-ENG D27042 7. Clean or replace the check valve. A solvent, such as paint or varnish remover can be used to clean the check valve. 8. Apply sealant to the check valve threads. Reinstall the check valve (turn clockwise). 9. Replace the pressur e release tube. Tighten nuts. 10. Replace the outlet tube and tighten nuts. 11. Perform the Break-in Proc[...]

  • Page 21

    21-ENG D27042 STORAGE Before you stor e the air compressor , make sure you do the following: 1. Review the "Maintenance" section on the preceding pages and perform scheduled maintenance as necessary . 2. Set the On/Auto/Off lever to "Off". 3. Close the globe valve. 4. Remove the air tool or accessory . 5. Open the globe valve an[...]

  • Page 22

    22-ENG D27042 TROUBLESHOOTING Performing repairs may expose voltage sour ces, moving parts or compressed air sour ces. Personal injury may occur . Prior to attempting any r epairs, unplug the air compressor and bleed off all air tank air pr essure. PROBLEM CAUSE CORRECTION Pressur e switch does not shut off motor when compressor r eaches "cut-[...]

  • Page 23

    23-ENG D27042 PROBLEM CAUSE CORRECTION Compressor is not supplying enough air to operate accessories. Prolonged excessive use of air . Compressor is not lar ge enough for air requir ement. Hole in hose. Check valve restricted. Air leaks. Restricted air intake filter . Decrease amount of air usage. Check the accessory air requir ement. If it is high[...]

  • Page 24

    24-ENG D27042 PROBLEM CAUSE CORRECTION Motor will not run. Fuse blown, circuit br eaker tripped. 1. Check fuse box for blown fuse and replace as necessary . Reset circuit breaker . Do not use a fuse or circuit br eaker with higher rating than that specified for your particular branch circuit. 2. Check for proper fuse. Y ou should use a time delay f[...]

  • Page 25

    25-ENG D27042 PROBLEM CAUSE CORRECTION Knocking Noise. Possible defect in safety valve. Operate safety valve manually by pulling on ring. If valve still leaks, it should be replaced. Loose pulley . Tighten pulley set screw , see Parts manual for torque specifications. Compressor mounting screws loose. Tighten mounting screws,see Parts manual for to[...]

  • Page 26

    26-ENG D27042 LIMITED W ARRANTY PORTER-CABLE CORPORA TION warrants to the original purchaser that all products cover ed under this warranty are free fr om defects in material and workmanship. Products cover ed under this warranty include air compressors, air tools, service parts, pressur e washers, and generators, which have the following warranty [...]