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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - page 3
3- ENG D26195 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 nor ...
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DeWalt 66-651 - page 4
4- ENG D26195 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 HOW TO PREVENT IT WHA T CAN HAPPEN The compressed air stream can cause s ...
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DeWalt 66-651 - 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 powered by electricity . Like any other electrically powered device, If it is not used pr operly it may cause electric shock. Repairs attempted by unqualified personn ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - page 7
7- ENG D26195 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 alcoh ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - page 12
12- ENG D26195 Description of Operation Become familiar with these controls befor e operating the unit. On/Auto/Off Switch : T urn 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 pressure switch automatically starts the motor when the air tank pressur e drops be ...
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DeWalt 66-651 - 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 pressur e releas ...
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DeWalt 66-651 - page 14
14- ENG D26195 How to Start: 1. T urn the On/Auto/Off lever to "AUTO" and allow tank pressur e 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 ...
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DeWalt 66-651 - page 15
15- ENG D26195 NOTE: See "Operation" section for the location of controls. T o ensur e efficient 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 ...
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DeWalt 66-651 - 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 , replace 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 c ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 urn the regulator counterclockwise and set the outlet pr essure to zero. 4. Remove t ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - 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 r egulated pressur e ...
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DeWalt 66-651 - 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 circuit breaker . Do not use a fuse or circuit br eaker with higher rating than that specified for your particular branc ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - page 23
23- ENG D26195 P ARTS 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& ...
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DeWalt 66-651 - 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 ...
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DeWalt 66-651 - page 25
25- ENG D26195 P ARTS 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 ...
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DeWalt 66-651 - 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 are free from defects in material and workmanship. Products cover ed under this warranty include air compressors, air tools, service parts, pressure washers, and generators, which have the following warranty periods: ...
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