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The air inlet, used for connecting air supply, has standard 1/4” NPT American Thread.

 

Line pressure should be increased to compensate for unusually long air hoses (over 25 feet). 
Minimum  hose  diameter  should  be  1/4”  I.D.  and  fittings  should  have  the  same  inside 
dimensions.

 

 

 

Maintenance 

Other  factors  outside  the  tool  may  cause  loss  of  power  or  erratic  action.  Reduced 
Compressor output, excessive drain on the air line, moisture or restriction in air pipes or the 
use of hose  connections of improper size or poor condition may reduce air  supply. Grit  or 
gum deposits in the tool may cut power and may be corrected by cleaning the air strainer 
and  flushing  out  the  tool  with  gum  solvent  oil  or  an  equal  mixture  of  SAF#10  oil  and 
kerosene. If outside conditions are in order and tool is out

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of

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warranty, clean, reassemble, 

and re

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lubricate, or take tool to any air tool service center. For tools in warranty period, send 

tool direct to Warranty Center.

 

 

 

Summary of Contents for G3999

Page 1: ...watches and rings 9 Use proper hose and fitting Never use quick change couplings attached at tool 10 Keep proper footing and balance at all times 11 Never carry too by the hose Keep hoses from heat oil and sharp edges Check hoses for weak or worn condition before each use making certain that all connections are secure Lubrication Lubricate the tool daily with a good grade of air tool oil The oil c...

Page 2: ...ssor output excessive drain on the air line moisture or restriction in air pipes or the use of hose connections of improper size or poor condition may reduce air supply Grit or gum deposits in the tool may cut power and may be corrected by cleaning the air strainer and flushing out the tool with gum solvent oil or an equal mixture of SAF 10 oil and kerosene If outside conditions are in order and t...

Page 3: ... 27 TS93127 Throttle Seat 15 TS93115 Cylinder 28 TS93128 Throttle Valve 16 TS70521 Steel Ball 29 TS93129 Throttle Spring 17 TS93117 Rear End Plate 30 TS93130 Air Inlet 18 TS70517 Ball Bearing 31 TS93131W Comfort Grip 19 TS93119 Regulator 32 TS93132 Wrench 12mm PLEASE READ FOLLOWINGS CAREFULLY BEFORE OPERATING 1 Always wear Safety Goggles to guard against eye injuries caused by flying particles 2 L...

Page 4: ...articles One Year Limited Warranty GLOBAL Industrial air tools carry a limited 1 year warranty to be free from defects in material and workmanship for one year from date of purchase We will repair or replace at our discretion any defective part or unit which proves to be defective in material or workmanship during this 1 year period The foregoing obligation is GLOBAL sole liability under this or a...

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