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JET   

 

Setup and Assembly 

Any missing parts or damage should be reported 
immediately to your JET

®

 distributor. Do not use a 

damaged tool. Read this instruction manual 
thoroughly for operation, maintenance and safety 
instructions. 

Box contents: 

1 Pneumatic 

screwdriver 

Operation and parts manual  

1 Warranty 

card 

 

Operation 

 

The pneumatic screwdriver 

must be properly lubricated before operation. 
See “Lubrication” section. 

 

Figure 1 

1. 

Remove protective cap from air inlet (Figure 
1). If an in-line oiler is not being used, add 4 
or 5 drops of air tool oil (not included) in to 
the air inlet. 

2.  Blow out air line to remove any dirt or 

moisture, then connect air supply hose to 
tool. Set air pressure to 90 psi. 

IMPORTANT:

 Connecting a quick-change 

coupling directly to the tool is not 
recommended, as vibration may cause the 
connection to fail. Instead, add a leader hose 
and install any quick-change couplings 
farther down the line. 

3. 

Push chuck collar forward. Insert bit as far as 
it will go, and release chuck collar. 

4.  Use selector switch for rotation direction 

(F/R). 

5.  Gently press trigger. Speed is variable, 

determined by pressure against trigger. 

6. 

Release trigger to stop screwdriver. 

7. 

Push chuck 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: Air tool oil not provided; it is available 
at most major hardware and tool stores. SAE 
#10 oil or sewing machine oil may be used 
as a substitute. Do not use detergent oil. 

3.  Re-connect air. Run screwdriver at low 

throttle without load for a few seconds to 
distribute the oil throughout tool. 

4. When finished operating screwdriver, 

disconnect air hose. Wipe off housing with a 
dry cloth. Place 4 or 5 drops of air tool oil into 
air inlet; re-connect air and run tool for a few 
seconds to distribute the oil. Disconnect air. 

Storage  

Avoid storing the screwdriver in very humid 
locations which promotes rusting of internal 
mechanisms. Always oil the tool and disconnect 
air hose before storage. 

Air system requirements 

1.  Use proper air hose size (refer to tool 

specifications). The hose should be just long 
enough to serve the working area. Excessive 
hose length will cause pressure drop.  

2.  Make sure air compressor supplies clean, 

dry air at correct CFM for the tool. 

3. 

Set air pressure to 90 psi.  

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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