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6

Troubleshooting 

Trouble Probable 

Cause 

Remedy 

Drill does not operate 
at normal speed. 

Air pressure is too low. 

Adjust air pressure to 90psi. 

Air lines are twisted, or there is a 
blockage in them. 

Untwist or clean out air lines. 

Air compressor is malfunctioning, or is 
not sufficient capacity for the tool. 

Replace air compressor. 

Air regulator is malfunctioning. 

Have regulator repaired or replaced at 
an authorized service center. 

Stops operating. 

No air pressure. 

Check air compressor and hoses. 
Make sure compressor is set at 90psi, 
and air lines are not twisted. 

Trigger or throttle valve is 
malfunctioning. 

Have throttle valve/trigger inspected 
and repaired at an authorized service 
center. 

Torque is diminished. 

Air leakage. 

Check connections at the air inlet, o-
rings, etc. Make adjustments/repairs 
as needed. 

Starts immediately as 
soon as air is 
connected without 
trigger being pressed. 

Throttle valve or trigger are 
malfunctioning. 

Inspect and repair throttle valve 
and/or trigger. 

Abnormal vibration 
and/or excessive 
heat develops in the 
tool. 

Improper lubrication. 

Lubricate properly according to 
instructions in this manual. 

  

 

 

 

 

 

 

 

To order parts or reach our service department, call 1-800-274-6848 Monday through Friday (see our 
website for business hours, www.jettools.com). Having the Model Number and Serial Number of your tool 
available when you call will allow us to serve you quickly and accurately.   

 

 

 
 
 

Содержание JNS-4031KL

Страница 1: ... Maintenance Instructions 3 8 inch Reversible Air Drill Model JNS 4031KL JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M JNS4031KL Ph 800 274 6848 Revision A1 05 2014 www jettools com Copyright 2014 JET ...

Страница 2: ... 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 State Law Applies This warranty gives you specific legal rights subject to applicable state law Limitations on This Warranty JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMI...

Страница 3: ...ou 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 10 Do not operate this tool while tired or under the influence of drugs alcohol or any medication 11 Maintain proper balance and keep your footing at all times Non slip...

Страница 4: ...d no load RPM 1800 Required Air Pressure PSI 90 Average Air Consumption CFM 6 Air Inlet Diameter in 1 4 NPT Air Hose Inside Diameter in 3 8 Vibration Value m s 2 according to EN12096 x 10 y 0 5 z 0 7 Overall Length in 8 07 Net Weight lbs 2 76 The above specifications were current at the time this manual was published but because of our policy of continuous improvement JET reserves the right to cha...

Страница 5: ... into the air inlet Figure 1 NOTE Air tool oil not provided It may be purchased from your JET dealer or is available at most major hardware and tool stores SAE 10 weight oil or sewing machine oil may be used as a substitute Do not use detergent oil 3 Re connect the air Run the drill without load for a few seconds to distribute the oil throughout the tool Figure 1 4 When you are finished operating ...

Страница 6: ...ctioning Have throttle valve trigger inspected and repaired at an authorized service center Torque is diminished Air leakage Check connections at the air inlet o rings etc Make adjustments repairs as needed Starts immediately as soon as air is connected without trigger being pressed Throttle valve or trigger are malfunctioning Inspect and repair throttle valve and or trigger Abnormal vibration and...

Страница 7: ...7 ...

Страница 8: ...8 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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