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JET   

 

 

 

Safety warnings 

General air tool warnings 

1.  Read and understand this entire manual 

before attempting assembly or operation. 

2. 

Read and understand all warnings posted on 
the tool and in this manual. Failure to comply 
with all of these warnings may cause serious 
injury. 

3.  Replace warning labels if they become 

obscured or removed. 

4. 

Do not use this tool for other than its intended 
use. If used for other purposes, JET disclaims 
any real or implied warranty and holds itself 
harmless from any injury that may result from 
that use. 

5. 

Always wear approved safety glasses or face 
shield while using this tool. (Everyday 
eyeglasses only have impact resistant lenses; 
they are 

not 

safety glasses.) 

6.  Wear ear protectors (plugs or muffs) if the 

noise exceeds safe levels. 

7.  Wear gloves and protective clothing if 

operation produces sparks or flying particles. 
Gloves should be tight-fitting, without frayed 
fingers or hanging threads. Keep hands and 
body away from the working area of tool. 

8. 

Some dust created by power sanding, sawing, 
grinding, drilling and other construction 
activities contains chemicals known to cause 
cancer, birth defects or other reproductive 
harm. Some examples of these chemicals 
are: 

• Lead from lead based paint. 

• Crystalline silica from bricks, cement and 
other masonry products. 

• Arsenic and chromium from chemically 
treated lumber. 

Your risk of exposure varies, depending on 
how often you do this type of work. To reduce 
your exposure to these chemicals, work in a 
well-ventilated area and work with approved 
safety equipment, such as face or dust masks 
that are specifically designed to filter out 
microscopic particles. 

9. 

Do not operate an air tool continually at full 
throttle without a work load on the tool. 

10.  The air tool must be properly lubricated before 

operating.  

11.  Never start a percussion type air tool (chipper, 

breaker, buster, etc.) without securing the 
tooling in the retainer and placing the tip 
against the work surface. 

12.  Do not operate air tool without its guards in 

place. Do not modify the tool. 

13.  Do not operate this tool while tired or under 

the influence of drugs, alcohol, or any 
medication. 

14. Adopt a comfortable posture with proper 

balance, and maintain secure footing at all 
times. Non-slip footwear or anti-skid floor 
strips are recommended. 

15.  Do not wear loose clothing or jewelry. Confine 

long hair. 

16.  Excessive air pressure and too much free 

rotation may decrease life of the tool and may 
cause a hazardous situation. 

17.  Check air hoses for wear, and keep them 

away from heat and sharp edges. Repair or 
replace damaged air hose immediately. Do 
not carry tool by the air hose. 

18.  Air hose may cause tripping hazards; keep 

hose away from traffic areas. 

19.  Do not use this tool near flammable objects, 

or in potentially explosive environments. Do 
not use near live electrical wires. 

Summary of Contents for JAT-660

Page 1: ...Pneumatic Screwdriver 505660 JAT 660 505661 JAT 661 Operation Parts Manual M 505660 Edition 2 06 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET ...

Page 2: ...th any additional action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How Sta...

Page 3: ...hromium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 9 Do not operate an air tool continually at full throttle without a work loa...

Page 4: ...l particles caught in the air stream Exercise proper caution 30 Use only recommended accessories improper accessories may be hazardous 31 Maintain tools with care Keep air tool clean and oiled for best and safest performance 32 Do not use combustible gases carbon dioxide oxygen or any bottled gas as an air source for the tool These can present risk of explosion and serious injury 33 Do not lubrica...

Page 5: ...rth in this document The instructions and warnings in this manual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise common sense As with any tool operation safety of operator and bystanders should be first priority If there are questions or comments please contact your local supplier or JET JET can also be reached at our web...

Page 6: ... Forward and reverse Power setting Variable speed trigger Variable speed trigger Grip Pistol style Pistol style Overall Length 8 1 8 in 206 38 mm 7 3 8 in 187 33 mm Housing material Composite Composite Net weight 2 54 lb 1 15 kg 2 20 lb 1 kg Shipping weight 2 9 lb 1 32 kg 2 55 lb 1 16 kg 1 The specified values are emission levels and are not necessarily to be seen as safe operating levels As workp...

Page 7: ...collar forward to remove bit Maintenance Lubrication The screwdriver should be lubricated daily or before each use with air tool oil through the air inlet During continual operation it should be re oiled every 1 to 2 hours This can be done with an in line oiler or manually If done manually proceed as follows 1 Disconnect air hose from tool 2 Place 4 or 5 drops of air tool oil into air inlet NOTE A...

Page 8: ...r pressure measured at the tool when the tool is operating Set tool to 90 psi unless indicated otherwise Pressure in excess of 100 psi will shorten the life of the tool Air System Recommendations Equip the air compressor intake with a replaceable air filter that can be easily cleaned Use safety shut off valves so air flow can be stopped quickly in case of a line break When using multiple hoses air...

Page 9: ...JET 9 Figure 2 Recommended arrangement of air piping and air line system ...

Page 10: ...of power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check compressor regulator setting set air pressure to 90 psi Set regulator dial on tool to maximum setting Check for loose connections Moisture or obstruction in air hose Air supply must be clean and dry Clean out air hose s and remove any kinks or bends Improper size of air transmission lines hoses fittings...

Page 11: ...ollowing pages To order parts or reach our service department call 1 800 274 6848 Monday through Friday 8 00 a m to 5 00 p m CST Please have the stock number and serial number of your tool available when you call so that we may serve you quickly and accurately ...

Page 12: ...12 JAT 660 661 Screwdrivers 505660 JAT 660 1 4 inch Screwdriver exploded view ...

Page 13: ...20 80220 Spring 1 21 80221 Spring guide 1 22 80222 Internal gear 2 23 SM 70423 Planet gear 6 Index Ppart No Description Qty 24 30124 Pin 4x13 8L 6 25 70425 Bushing 6 26 80226 Work spindle 1 27 BB 6201Z Ball bearing 6201Z 1 28 80328 Clamp nut 1 29 80429 Clutch 2 30 80230 Retaining ring 3 31 40309 Screw TS2 9 2 32 80432 Cam spindle 1 33 SB 1 8 Steel ball 1 8in 1 34 80435 Bushing 1 35 SM 70420 Pinion...

Page 14: ...14 JAT 660 661 Screwdrivers 505661 JAT 661 1 4 inch Screwdriver exploded view ...

Page 15: ... 80219 Front end plate 1 20 80220 Spring 1 21 80221 Spring guide 1 22 80222 Internal gear 2 Index Part No Description Qty 23 JAT620 23 Planet gear 3 24 30124 Pin 4x13 8L 3 25 80225 Bushing 3 pcs 1 26 80426 Work spindle 1 27 BB 6201Z Ball bearing 6201Z 1 28 JAT661 28 Clamp nut 1 29 80429 Clutch 2 30 80230 Retaining ring 3 31 40309 Screw TS2 9 2 32 80432 Cam spindle 1 33 SB 1 8 Steel ball 1 8in 1 34...

Page 16: ...16 JAT 660 661 Screwdrivers 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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