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JAT-660,661 Screwdrivers 

 

20.  Do not use power tools in damp or wet 

location, or expose them to rain. Keep work 
area well lighted. 

21.  Do not leave a connected tool unattended. 

When not in use, disconnect tool from air 
source. 

22.  Shut off air supply and discharge any residual 

pressure from tool before removing hose, 
making adjustments, changing accessories, 
or storing tool. 

23.  Make sure tool is switched off, and your finger 

off the trigger, before connecting to air supply. 

24.  Remove adjusting keys and wrenches before 

turning on tool. 

25.  Keep visitors a safe distance from the work 

area. 

Keep children away.

 

26.  Give your work undivided attention. Looking 

around, carrying on a conversation and 
“horse-play” are careless acts that can result 
in serious injury. 

27.  Do not force a tool or attachment to do a job 

for which it was not designed. The right tool 
will do the job better and more safely. 

28. Repetitive motions and/or exposure to 

constant vibration can be harmful to hands 
and arms. Take frequent breaks and relax 
hands during extended operation. Change 
posture to avoid discomfort or fatigue. 

29.  Compressed air can be harmful if directed 

toward sensitive areas of the body, and may 
propel small 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 lubricate the tool with combustible 

liquids, such as kerosene, diesel or jet fuel. 

34.  Do not dispose of this tool with normal 

household waste. Never dispose of the air tool 
into fire. 

Specific warnings for Screwdrivers 

35.  This pneumatic screwdriver is designed for 

insertion and removal of screws and similar 
fasteners. If you are not familiar with the 
proper and safe operation of a pneumatic 
screwdriver, do not use until proper training 
and knowledge have been obtained. 

36.  Secure workpiece with clamps or vise; do not 

hold workpiece by hand. 

37.  Only use accessories that are intended for use 

with a pneumatic screwdriver, and which 
match the chuck size of the tool. 

38.  Screwdriver bits should be clean and in good 

condition. 

 

 

Familiarize yourself with the following safety notices used in this manual: 

 

This means that if precautions are not heeded, it may result in serious, or even 

fatal, injury.

 

  

This means that if precautions are not heeded, it may result in minor injury and/or 

possible tool damage.

 

 

 

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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