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Universal Tool a Division of Florida Pneumatic Manufacturing Corporation 

851 Jupiter Park Lane, Jupiter FL 33458

Troubleshooting

Problem

Possible Cause

Solution

The tool runs slowly or will not 
operate.

There is grit or gum in the tool.

Flush the tool with air tool oil or gum solvent.

The tool is out of oil.

Lubricate the tool according to the lubrication 
instructions in this manual.

The air pressure is low.

 

Adjust the regulator on the tool to the 
maximum setting.

 

Adjust the compressor regulator to the tool’s 
maximum setting of 90 psi.

The air hose leaks.

Tighten and seal the hose fittings with pipe thread 
tape if leaks are found.

The air pressure drops.

 

Ensure the hose is the proper size. Long 
hoses or tools using large volumes of air may 
require a hose with an I.D. of ½" or larger 
depending on the total length of the hose.

 

Do not use a multiple number of hoses 
connected together with a quick connect 
fitting. This causes additional pressure drops 
and reduces the tool power. Directly connect 
the hoses together.

There is a worn rotor blade in the motor. 

Replace the rotor blade.

There is a worn ball bearing in the motor.

Remove and inspect the bearing for rust, dirt, and 
grit. Replace or clean and grease the bearing with 
bearing grease.

There is moisture blowing out 
of the tool’s exhaust.

There is water in the tank.

Drain the tank. (See the air compressor manual 
for instructions.) Lubricate the tool and run it until 
water is not evident. Lubricate the tool again and 
run for 1-2 seconds.

Warranty

Limited Warranty: Universal Tool warrants its tools to be free from defects in material and workmanship for one year from the date of 
purchase. This warranty does not apply to tools which have been abused, misused, modified or repaired by someone other than Universal 
Tool or its authorized service centers. If a UT tool proves defective in material or workmanship within one year after purchase, return 
it to any authorized service center or Universal Tool freight prepaid. Please enclose your name, address and adequate proof of date of 
purchase and a short description of the defect. Universal Tool will,at its option, repair or replace defective tools free of charge. Repairs or 
replacements are warranted as described above for the remainder of the original warranty period. Universal Tool's sole liability  and your 
exclusive remedy under this warranty is limited to repair or replacement of the defective tool.
There are no other warranties expressed or implied and Universal Tool shall not be liable for incidental, consequential or special damages, 
or any other damages,costs or expenses excepting only the cost or expense of repair or replacement as described above.

Summary of Contents for UT4425A-4

Page 1: ...ng any pneumatic tool TABLE OF CONTENTS General Safety Information 2 Air Compressor and Air Tool Safety 2 3 Tool Specifications 3 Installation 4 Maintenance Lubrication 4 Operation 5 Troubleshooting 6 Warranty 6 Service Parts 7 WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling WARNING This...

Page 2: ... used in a dust filled environment exhaust air can cause a dust hazard Dusts and fumes generated when using power tools can cause ill health for example cancer birth defects asthma and or der matitis risk assessment of these hazards and implementation of appropriate controls of is essential Risk assessment should include dust created by the use of the tool and the potential for disturbing existing...

Page 3: ...correctly secured and not damaged before continuing the operation 4 Grinding wheels and cut off wheels shall not be used for side grinding Exception grinding wheels designed for side grinding Grinders should not be used over the maximum rated speed of an abrasive product 5 The operator shall pay attention that no bystanders are in the vicinity 6 The personal protective equipment such as gloves apr...

Page 4: ...tle is accidentally engaged LUBRICATION An in line filter regulator lubricator is recommended as it increases tool life and keeps the tool in sustained operation Regularly check and fill the in line lubricator with air tool oil Avoid using excessive amounts of oil Adjust the in line lubricator by placing a sheet of paper next to the tool s exhaust ports and holding the throttle open approximately ...

Page 5: ...ove the flange nut with the 17 MM wrench B and the 11 MM wrench C on the tool A Remove the grinding wheel from the spindle Replace the flange nut and retighten using the 17 MM wrench B and the 11 MM wrench C on the tool A 4 Grinding and deburring WARNING You must wear the ANSI approved eye protection during the operation failure to follow this this may result in serious injury or damage to the ope...

Page 6: ...grease There is moisture blowing out of the tool s exhaust There is water in the tank Drain the tank See the air compressor manual for instructions Lubricate the tool and run it until water is not evident Lubricate the tool again and run for 1 2 seconds Warranty Limited Warranty Universal Tool warrants its tools to be free from defects in material and workmanship for one year from the date of purc...

Page 7: ... FLORIDA PNEUMATIC COM Please contact 1 800 356 3392 for further assistance Service Parts Exploded View Drawing Ref Part Number Description Qty Ref Part Number Description Qty 3 ...

Page 8: ...umatic Manufacturing Corporation 851 Jupiter Park Lane Jupiter FL 33458 Universal Tool Questions problems missing parts Call Customer Service 8 a m 5 p m EST Monday Friday 1 800 356 3392 FLORIDA PNEUMATIC COM Retain this manual for future use ...

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