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Operating Instructions, Parts List, Warranty, & Warranty Repair Center 

IMPORTANT!  Read  carefully  before  operating  this  tool.  Failure  to  operate  any  power  tool 
properly can result in personal injury and/or property damage!

 

Free Speed (RPM) ………………..…..15,000

 

Air pressure (PSI) ……………..…………..90

 

Hose Size (ID) …………………...……..… 3/8”

 

Air Inlet (NPT) ………………………..…... 1/4”

 

Disc Size …………………………………………..2”

 

Avg. Air Consump.(cfm).………………… 3

 

Overall Length ……….………................ 3.7”

 

Weight (Lbs) …….…….. …..………...…... 1.5

 

 

Safety 

1.

 

Always use impact type sockets that are designed for impact wrenches.

 

2.

 

Always wear approved eye protection.

 

3.

 

Have throttle in “off” position when connecting to air supply.

 

4.

 

Disconnect tool before performing service, changing accessories, or when not in use.

 

5.

 

Always be in a safe working distance from others when using tools.

 

6.

 

Keep tools clean and oiled for best and safest performance. 

 

7.

 

Follow instructions for lubricating and changing accessories. 

 

8.

 

Do not wear loose fitting clothing and remove 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 can be applied directly into 
the air inlet of the tool and then run the tool. A rust inhibitor oil is acceptable for air tools.

 

 

 

Air Supply 

Tools  of  this  class  operate  on  a  wide  range  of  air  pressure.  It  is  recommended  that  air 
pressure of these tools measure 90 PSI at the tool while running free. Higher pressure and 
unclean air will shorten the tool’s life and may create a hazardous condition.

 

Water in the airline will cause damage to the tool. Ensure that the air tank is drained daily 
Clean  the  air  inlet  filter  screen  on  at  least  a  weekly  basis.  The  recommended  hookup 
procedure can be viewed in the illustration below.

 

 

Model # G3999 
2” Miniature Rotary Action Sander

 

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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