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10 

JAT-710 Orbital (Jitterbug) Sander 

 

Troubleshooting JAT-710 Orbital (Jittebug) Sander

 

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.) 

Lever inoperable. 

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

Bearing(s) worn. 

Disassemble and inspect bearing. 
Grease or replace as needed. 

Starts immediately when 
air is connected without 
throttle lever being 
pressed. 

Operating lever malfunction. 

Clean operating lever mechanism 
to ensure free movement. Replace 
mechanism if needed. 

Excessive or abnormal 
vibration. 

Bearing(s) worn. 

Disassemble and inspect bearing. 
Grease or replace as needed. 

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). 

Excessive heat develops 
in tool. 

Insufficient lubrication. 

Lubricate with air tool oil. 

Worn components. 

Replace components as needed. 

Severe air leakage. 
(Note: Minimal escape of 
air is often normal for air 
tools.) 

Air valve obstructed or damaged. 

Clean or replace. 

Housing loose or damaged. 

Tighten or replace as needed. 

Summary of Contents for 505710

Page 1: ...Orbital Jitterbug Sander 505710 JAT 710 Operation Parts Manual M 505710 Edition 1 02 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...n 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...

Page 3: ...romium 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 wi...

Page 4: ...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...

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: ...3 8 in 3 35 mm Housing material Aluminum Net weight 4 06 lb 1 84 kg Shipping weight 4 5 lb 2 04 kg 1 The specified values are emission levels and are not necessarily to be seen as safe operating level...

Page 7: ...with your fingers 6 Release operating lever to stop Maintenance Lubrication The sander should be lubricated daily or before each use with air tool oil through the air inlet During continual operation...

Page 8: ...air 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 E...

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

Page 10: ...or abnormal vibration Bearing s worn Disassemble and inspect bearing Grease or replace as needed Loss of power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check c...

Page 11: ...arts 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 m...

Page 12: ...12 JAT 710 Orbital Jitterbug Sander 505710 JAT 710 Orbital Jitterbug Sander exploded view...

Page 13: ...0 19 Cylinder 1 20 JAT710 20 O Ring 7 5x2 1 21 JAT710 21 Ball 1 22 JAT710 22 Rotor 1 23 JAT710 23 Rotor vane 4 Index Part No Description Qty 24 JAT710 24 End plate 1 25 JAT710 25 Rotor shaft 1 26 JAT7...

Page 14: ...14 JAT 710 Orbital Jitterbug Sander This page intentionally left blank...

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

Page 16: ...16 JAT 710 Orbital Jitterbug Sander 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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