JETYD j-Gun series User manual

Operations Manual
jGun
Dual Speed jGun
FRL Unit
LoaDisc Reaction Washer
JETYD Corporation
218 Island Road
Mahwah, NJ 07430
Phone: [phone]
Fax: [phone]
Email: [email protected]

ii JETYD Operations Manual
© 2006 Inc.

Contents
iii JETYD Operations Manual
Contents
Warranty ...................................................................................................................................... vi
Certification.................................................................................................................................. vi
jGun Overview ..............................................................................................................................1
jGun Safety...................................................................................................................................1
Personal Protective Equipment..............................................................................................1
Air Supply Requirements.......................................................................................................2
Reaction Arm or Washer........................................................................................................2
Key Operating Safety Points..................................................................................................9
jGun Setup and Use....................................................................................................................11
Setting a Torque Value........................................................................................................11
Changing the Drive Direction...............................................................................................12
Operating the jGun...............................................................................................................12
Loosening a Fastener..........................................................................................................14
jGun Repair and Maintenance....................................................................................................14
Maintaining Hoses and Fittings............................................................................................14
Removing the Square Drive.................................................................................................15
Installing the Square Drive...................................................................................................16
Lubricating the Air Motor......................................................................................................16
Removing the Air Motor.......................................................................................................17
Calibration............................................................................................................................17
Dual Speed jGun.........................................................................................................................18
Shifting Between Modes......................................................................................................19
Tool Operation.....................................................................................................................20
Operation with a Socket and Reaction Arm.........................................................................20
Operation with a Load Disc..................................................................................................21
First use of Dual Speed jGun...............................................................................................22
jGun Single Speed Parts Diagram..............................................................................................23
jGun Single Speed Parts List......................................................................................................24
jGun Dual Speed Parts Diagram.................................................................................................25
jGun Dual Speed Parts List.........................................................................................................26
Filter/Regulator/Lubricator (FRL) Unit Overview.........................................................................27
FRL Safety...........................................................................................................................27
Personal Protective Equipment............................................................................................28

jGun
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Air Supply Requirements.....................................................................................................28
FRL Setup and Use .............................................................................................................29
Important FRL Operating Procedures..................................................................................29
Emptying the Filter Reservoir...............................................................................................29
Adjusting Air Pressure .........................................................................................................31
Filling the Lubricator Reservoir............................................................................................32
Adjusting the Flow................................................................................................................33
Repair and Maintenance......................................................................................................33
Hoses and Fittings...............................................................................................................33
LoaDisc Reaction Washer Overview ..........................................................................................34
Safety 35
Personal Protective Equipment............................................................................................35
LoaDisc Requirements.........................................................................................................36
LoaDisc Setup and Use.......................................................................................................36
Important Preparation Procedures................................................................................36
Important Installation Procedures.................................................................................36

Contents
JETYD Operations Manual v
Figures
Figure 1. Reaction Arm.........................................................................................................3
Figure 2. LoaDisc and Socket ..............................................................................................3
Figure 3. Installing a Reaction Arm ......................................................................................6
Figure 4. Reaction Arm Installed ..........................................................................................7
Figure 5. Tightening Reaction Arm Set Screw......................................................................7
Figure 6. Installing jGun Socket............................................................................................8
Figure 7. Installing Socket Locking Pin and Retaining Ring.................................................8
Figure 8. Placement of Reaction Arm...................................................................................9
Figure 9. jGun Drive Direction Lever ..................................................................................12
Figure 10. jGun Operation....................................................................................................13
Figure 11. Using the jGun with a Reaction Washer..............................................................14
Figure 12. Removing the jGun Square Drive Snap Ring......................................................15
Figure 13. Dual Speed jGun with Handle .............................................................................18
Figure 14. Maximum Torque Setting (Left) and Maximum Speed Setting (Right)................19
Figure 15. Reaction Arm for dual-speed jGun......................................................................20
Figure 16. FRL Unit ..............................................................................................................27
Figure 17. Emptying the FRL Filter Reservoir ......................................................................30
Figure 18. Detaching FRL Reservoir....................................................................................30
Figure 19. FRL Unit – Lubricator 2/3rds Full of Oil...............................................................31
Figure 20. Adjusting FRL Regulator.....................................................................................32
Figure 21. Adjusting FRL Oil Flow........................................................................................33
Figure 22. LoaDisc Washer and Socket...............................................................................34
Figure 23. LoaDisc Socket Mounted on jGun.......................................................................35
Figure 24. LoaDisc Washer Installed....................................................................................37
Figure 25. Aligning LoaDisc Socket Set Screw with Machined Recess in jGun Splines......38
Figure 26. Tightening LoaDisc Set Screw............................................................................38
Tables
Table 1. Bolt Torque Specifications...................................................................................11

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Warranty
The j-Gun has a one year limited warranty. Every JETYD tool is tested before leaving the
factory and is warranted to be free from defects in workmanship and materials. JETYD will
repair or replace, without charge, any tool which upon examination proves to be defective in
workmanship or materials for one (1) year after the date of purchase. This warranty does not
cover damage from repairs made or attempted by other than JETYD authorized personnel, abuse,
normal wear and tear, lack of maintenance, or accidents.
The repair and replacement remedies described herein are exclusive. In no event shall JETYD be
liable for any incidental, special, or consequential damages, including loss of profits.
This warranty is exclusive and in lieu of all other warranties or conditions, written or oral,
expressed or implied for merchantability or fitness for particular use or purpose.
This warranty gives you specific legal rights. You may also have other rights that vary from state
to state and province to province. In those states that do not allow the exclusion of implied
warranties or limitation of incidental or consequential damages, the above limitations or
exclusions may not apply to you.
If you have questions about the warranty, contact our customer service center
at [phone].
Certification
The jGun is certified according to tests performed to the EN 1127-1: 1997 standard.
II 2G c IIB T6

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JETYD Operations Manual 1
jGun Overview
The jGun pneumatic torque wrench is designed to safely and accurately deliver up to 5,200 ft-lbs
of torque onto a fastener. This is accomplished using a patented planetary gearbox torque
multiplier system and an appropriate reaction arm or LoaDisc™ Reaction Washer. The torque
multiplier produces torque ratios of up to 700:1 while the reaction arm or washer is used to
absorb the high counter rotational force produced as the final torque value is reached. At final
torque value, the jGun safely stalls out, leaving the fastener tightened to specification.
Unlike impact wrenches, the jGun never transmits working torque to the operator. The torque is
applied between the fastener and the reaction surface.
This manual provides information for both the standard jGun and the dual-speed jGun.
jGun Safety
Only qualified personnel who have thoroughly read this document may operate this tool. Failure
to safely operate this tool may result in serious injury or death.
Inspect all jGun components as they are removed from the shipping container. If
damage is found to any component, contact your shipper immediately. Do not use
the tool.
Failure to follow correct tool usage could result in personal injury, co-worker
injury, and/or damaged tools and equipment.
Ensure your working area is clean and unobstructed before beginning work.
jGun maintenance and repair must be performed by a qualified pneumatic
technician.
Modifying a jGun or jGun accessory is dangerous and invalidates the warranty.
Inspect the tool before each use. Replace any obviously worn or damaged parts.
When not in use, store the jGun and jGun accessories in the plastic storage case
supplied with the tool. Do not expose the gun to high humidity or large
temperature variations.
Personal Protective Equipment
Always wear the appropriate personal protective equipment when operating a
jGun including gloves, safety goggles, hearing protection, hard hat, and safety
shoes

jGun
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Air Supply Requirements
The air supply line must be ½-inch minimum diameter to allow adequate air flow
to the jGun.
The air supply must provide a minimum of 90 psi at 30 cfm.
Ensure that air line fittings are tight and leak free. Do not over tighten air line
fittings.
Always use the Filter Regulator Lubricator (FRL) Unit provided with the jGun.
Never use a substitute oiler and regulator.
Set the air pressure at the FRL while the tool is running as described in
FRL Setup and Use.
Open the air supply connected to the FRL unit and run the jGun while setting
the pressure on the regulator gauge.
Set the air pressure to the PSI needed to achieve desired torque shown on the
provided pressure/torque conversion chart, also shown in Pressure / Torque
Conversion Charts.
Reaction Arm or Washer
Choose the correct reaction arm for the job. The jGun is shipped with a standard
length reaction arm, but your gun may have been ordered with a custom reaction
arm for a specific purpose.

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Figure 1. Reaction Arm
The universal LoaDisc™ reaction washer may be used for all applications in
place of a standard reaction arm.
Figure 2. LoaDisc and Socket

jGun
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Never modify a reaction arm.
Never modify a reaction arm. Modifying a reaction arm may cause
personal injury and tool damage.
Modifying a reaction arm voids the reaction arm and jGun warranty.
Contact the jGun factory to have a custom reaction arm manufactured.