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DeWalt Oil-Free 66-651 manual

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Table of contents for the manual

  • Page 1

    INSTRUCTIO N M AN UAL P ART NO. D26195 Rev .0 Copyright © 2002 Delta Machinery T o learn more about DEL T A MACHINER Y visit our website at: www .deltamachinery .com. For Parts, Service, W arranty or other Assistance, please call 1-866-422-4286. Oil-Fr ee Air Compr essor (66-651) ESP AÑOL: PÁGINA 25 FRANÇAIS: P AGE 49[...]

  • Page 2

    2- ENG D26195 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 [...]

  • Page 3

    3- ENG D26195 IMPOR T 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 no[...]

  • Page 4

    4- ENG D26195 WARNING: Risk of Bursting Air T ank: The following conditions could lead to a weakening of the tank, and r esult 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 HOW TO PREVENT IT WHA T CAN HAPPEN The compressed air str eam can cause[...]

  • Page 5

    5- ENG D26195 HOW TO PREVENT IT WHA T CAN HAPPEN WARNING: Risk to Br eathing WARNING: Risk of Electrical Shock HOW TO PREVENT IT WHA T CAN HAPPEN HAZARD HAZARD Y our air compressor is power ed by electricity . Like any other electrically powered device, If it is not used pr operly it may cause electric shock. Repairs attempted by unqualified person[...]

  • Page 6

    6- ENG D26195 HOW TO PREVENT IT WHA T CAN HAPPEN 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 prote[...]

  • Page 7

    7- ENG D26195 Review and understand all instructions and warnings 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 D26195 GLOSSAR Y DUTY CYCLE Air compressors should be operated on not mor e than a 50% duty cycle. This means an air compressor that pumps air mor e than 50% of one hour is considered misuse, because the air compr essor is undersized for the required air demand. Maximum compressor pumping time per hour is 30 minutes. Accessories for this uni[...]

  • Page 9

    9- ENG D26195 Assemble Wheels It will be necessary to brace or support one side of the outfit when installing the wheels because the compressor will have a tendency to tip. 1. Attach wheels with shoulder bolts and nuts as shown. 2. Tighten securely . NOTE : The outfit will sit level if the wheels are pr operly installed. The wheels and handle do no[...]

  • Page 10

    10- ENG D26195 INST ALLA TION GROUNDING INSTRUCTIONS RISK OF ELECTRICAL SHOCK. In the event of a short circuit, gr ounding reduces the risk of shock by providing an escape wire for the electric curr ent. This air compressor must be properly gr ounded. The portable air compressor is equipped with a cor d having a grounding wire with an appropriate g[...]

  • Page 11

    11- ENG D26195 Extension Cords Use extra air hose instead of an extension cord to avoid voltage dr op and power loss to the motor , and to prevent overheating. If an extension cord must be used, be sur e it is: • a 3-wire extension cor d that has a 3-blade grounding plug, and a 3-slot receptacle that will accept the plug on the pr oduct • in go[...]

  • Page 12

    12- ENG D26195 Description of Operation Become familiar with these controls befor e operating the unit. On/Auto/Off Switch : T ur n this switch ON to provide automatic power to the pressur e switch and OFF to remove power at the end of each use. Pressur e Switch: The pressur e switch automatically starts the motor when the air tank pressur e drops [...]

  • Page 13

    13- ENG D26195 Check V alve: When the air compressor is operating, the check valve is "open", allowing compressed air to enter the air tank. When the air compressor r eaches "cut-out" pressure, the check valve "closes", allowing air pressur e to remain inside the air tank. Pressur e Release V alve: The pressure r eleas[...]

  • Page 14

    14- ENG D26195 How to Start: 1. T ur n the On/Auto/Off lever to "AUTO" and allow tank pr essure to build. Motor will stop when tank pressur e reaches "cut-out" pressur e. 2. Pull the regulator knob out and turn clockwise to increase pr essure. When the desired pr essure is reached push knob in to lock in place. The compressor is[...]

  • Page 15

    15- ENG D26195 NOTE: See "Operation" section for the location of controls. T o ensure ef ficient operation and longer life of the air compressor outfit, a routine maintenance schedule should be pr epared and followed. The following routine maintenance schedule is gear ed to an outfit in a normal working environment operating on a daily ba[...]

  • Page 16

    16- ENG D26195 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. If it is dirty , r eplace it with a new filter . On some models,the filter may be removed by using a pair of needle nose pliers or a scr ewdriver . Pull or pry out the old filter and [...]

  • Page 17

    17- ENG D26195 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 Procedur e. See "Break-in Procedur e" in the Operation section. T o Replace Regulator 1. Release all air pressur[...]

  • Page 18

    18- ENG D26195 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. T ur n the regulator counter clockwise and set the outlet pressure to zer o. 4. Remove[...]

  • Page 19

    19- ENG D26195 TROUBLESHOOTING Performing repairs may expose voltage sour ces, moving parts or compressed air sour ces, moving parts or compressed air sour ces. Personal injury may occur . Prior to attempting any repairs, unplug the air compr essor and bleed off all air tank air pressur e. PROBLEM CAUSE CORRECTION Pressur e switch does not shut off[...]

  • Page 20

    20- ENG D26195 PROBLEM CAUSE CORRECTION It is normal for "some" pressur e drop to occur . If there is an excessive amount of pressur e drop when the accessory is used, adjust the regulator following the instructions in the "Description of Operation" paragraph in the "Operation Section. NOTE: Adjust the regulated pressur e u[...]

  • Page 21

    21- ENG D26195 Regulator will not shut off air outlet. Damaged regulator Replace 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 cir cuit breaker . Do not use a fuse or circuit br eaker with higher rating than that specified for your particular bran[...]

  • Page 22

    22- ENG D26195 AIR COMPRESSOR DIAGRAM T orque 5-7 ft.-lbs. 5 24 26 27 28 25 9 10 21 15 16 17 6 7 10 11 14 18 4 3 T orque 9-12 ft.-lbs. 2 1 T orque 15-25 ft.-lbs. 32 31 T orque 100-120 in.-lbs. 8 29 30 19 23 22 5 20[...]

  • Page 23

    23- ENG D26195 P AR TS LIST Key Part No. Number Description 1 ACG-408 Fastener Assembly (2 used) 2 AC-0376 Mini Shroud 3 91895680 Screw , 1/4-20 x .75 (2 used) 4 ACG-18 Cup, Saddle Mount (2 used) 5 CAC-60 Shoulder Bolt (2 used) 6 AC-0774 Isolator (3 used) 7 SSW-7367 Bushing, Strain Relief 8 AC-0605-1 Outlet T ube 9 SSP-7811 Nut/Sleeve Assembly (1/4[...]

  • Page 24

    24- ENG D26195 AIR COMPRESSOR PUMP DIAGRAM T orque 51-63 in.-lbs. T orque 100-120 in.-lbs. T orque 100-120 in.-lbs. T orque 7-10 ft.-lbs. T orque 42-48 in.-lbs. 83 84 85 90 89 87 81 80 91 78 72 70 74 73 76 79 92 93 88[...]

  • Page 25

    25- ENG D26195 P AR TS LIST KEY P ART NO. NO. DESCRIPTION 70 SSF-586 Screw 1/4 -20 x .75 72 AC-0108 Fan 73 SSF-615 Screw 1/4-20 UNC-2A THD 76 Z-MO-9086-1 Motor 75 Z-AC-0107 Eccentric Bearing Assembly ✓ * 78 ----- Cylinder Sleeve ✓ 79 ----- Connecting Rod Assembly ✓ * 80 SSG-8156 O-Ring 81 Z-AC-0032 V alve Plate Assembly ✓ * 83 ACG-45 O-Ring[...]

  • Page 26

    26- ENG D26195 LIMITED W ARRANTY DEL T A MACHINERY warrants to the original purchaser that all pr oducts covered under this warranty ar e free from defects in material and workmanship. Pr oducts covered under this warranty include air compr essors, air tools, service parts, pressur e washers, and generators, which have the following warranty period[...]