Jet JAT-124 Operations & Parts Manual Download Page 10

10 

JAT-124 Impact Wrench 

 

Troubleshooting JAT-124 Impact Wrench

 

Any disassembly of the tool should be done by qualified service personnel. For problems not addressed 
below, contact JET technical service at 800-274-6846. 

Problem 

Possible cause 

Remedy 

Tool will not start. 

Air valve closed or obstructed. 

Open valve; clear any obstructions. 

Dirt or gum deposits on 
components. 

Flush tool with gum solvent. 
If problem persists, disassemble, 
clean and lubricate internal parts. 

Rotor vanes or other components 
are worn. 

Replace worn components. 
(Replace vanes as an entire set.) 

Trigger inoperable. 

Clean trigger mechanism to ensure 
free movement. Replace 
mechanism if needed. 

Bearing(s) worn. 

Disassemble and inspect bearing. 
Grease or replace as needed. 

Excessive or abnormal 
vibration. 

Bearing(s) worn. 

Disassemble and inspect bearing. 
Grease or replace as needed. 

Abnormal sound. 

Loose fasteners. 

Check tightness of housing and 
external fasteners. 

Loss 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, or 
couplings. 

Use appropriate-sized air 
lines/hoses. 
Verify proper fittings/couplings. 

Dirt or gum deposits on 
components. 

Flush tool with gum solvent. 
Check and clean air filter on 
compressor.  
Clean external areas of tool. If 
problem persists, disassemble, 
clean and lubricate internal parts. 

Rotor vanes are worn. 

Replace vanes (entire set). 

Impacts sufficiently, but 
will not remove fastener. 

Worn socket. 

Use good condition sockets. 

Worn impact mechanism. 

Replace components. 

Will not impact. 

Damaged impact mechanism. 

Replace mechanism. 

Housing becomes hot 
during operation. 

Insufficient lubrication. 

Lubricate with air tool oil. 

Worn components. 

Replace components as needed. 

 

Summary of Contents for JAT-124

Page 1: ...1 2 Right Angle Impact Wrench 505124 JAT 124 Operation Parts Manual M 505124 Edition 1 02 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...ded 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 w...

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 w...

Page 4: ...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 t...

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 sen...

Page 6: ...108 dB A Power setting 2 speed forward 1 speed reverse Grip Inline Overall Length 13 4 in 340 36 mm Housing material Aluminum alloy with plastic shell Net weight 3 97 lb 1 8 kg Shipping weight 4 19 lb...

Page 7: ...speeds for forward and one for reverse Make sure nut or bolt can withstand rated torque of impact wrench To loosen nut or bolt 1 Select reverse rotation 2 Place socket over nut grip handle firmly and...

Page 8: ...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 impact wrench 3 Set air pressure to 90 psi...

Page 9: ...nd in line oilers on each downline that is to be used for air tools See Figure 2 Place oiler as close to air tool as possible for best lubrication Lubrication Use a light oil containing rust inhibitor...

Page 10: ...sing and external fasteners Loss 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 d...

Page 11: ...using loose or damaged Tighten or replace as needed Replacement parts Service parts are listed on the following pages To order parts or reach our service department call 1 800 274 6848 Monday through...

Page 12: ...12 JAT 124 Impact Wrench 505124 JAT 124 1 2 inch Impact Wrench exploded view...

Page 13: ...5 Pin 1 26 JAT124 26 Spring 1 27 BB 696ZZ Bearing 696ZZ 1 Index Part No Description Qty 28 JAT124 28 Rear end plate 1 29 JAT124 29 Spring pin 2 5x8 SK7 3 30 JAT124 30 Cylinder 1 31 JAT124 31 Rotor van...

Page 14: ...14 JAT 124 Impact Wrench This page intentionally left blank...

Page 15: ...JET 15 This page intentionally left blank...

Page 16: ...16 JAT 124 Impact Wrench 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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