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jGun

JETYD Operations Manual

11

jGun Setup and Use

Proper setup and use of the jGun before and during installation ensures accurate results and safe
operation. The FRL Unit provided with the jGun must be used with the hose provided to ensure
the tool’s durability. See the

FRL Unit Overview

section below for more information.

Proper installation and use of reaction arms increases worker safety and job efficiency. The
LoaDisc reaction washer is a universal solution for tool reaction on all applications and may be
used in place of a reaction arm. See

LoaDisc Reaction Washer Overview

for more details.

Setting a Torque Value

1.

Determine the torque value for the fastener to be tightened, as shown in the

Bolt Torque

Specifications

table.

Table 1.

Bolt Torque Specifications

SAE1 SAE2

30,000PSI

ASTM 193 Grade

B7 Bolt

Gr. 7 A/F Heavy

Hex Nut

Foot Pounds

Estimated Load

1 inch

7/8 inch

1-7/16 inches

300

18,150 lbf

1-1/8 inches

1 inch

1-5/8 inches

425

23,690 lbf

1-1/4 inches

600

29,955 lbf

1-3/8 inches

1-1/8 inches

1-3/16 inches

700

36,990 lbf

1-1/4 inches

2 inches

800

46,776 lbf

1-1/2 inches

900

44,760 lbf

1-5/8 inches

1-3/8 inches

2-3/16 inches

1,250

53,400 lbf

1-1/2 inches

2-3/8 inches

1,500

64617 lbf

1-3/4 inches

1,600

62,400 lbf

1-7/8 inches

1,800

72,300 lbs

1-5/8 inches

2-9/16 inches

2,000

76,540 lbs

2 inches

2,200

83,100 lbs

1-3/4 inches

2-3/4 inches

2,600

89,440 lbs

2-1/4 inches

3,000

106,800 lbs

1-7/8 inches

2-15/16 inches

3,700

110,680 lbs

2-1/2 inches

2 inches

3-1/8 inches

4,000

133,200 lbs

2-3/4 inches

5,100

162,900 lbs

2-1/4 inches

3-1/2 inches

6,000

168,200 lbs

3 inches

7,000

195,300 lbs

2-1/2 inches

3-7/8 inches

8,000

213,120 lbs

3-1/4 inches

9,000

230,700 lbs

3-1/2 inches

2-3/4 inches

4-1/4 inches

10,000

268,800 lbs

3-3/4 inches

3 inches

4-5/8 inches

13,000

310,200 lbs

4 inches

14,500

354,000 lbs

3-1/4 inches

5 inches

16,500

369,120 lbs

4-1/4 inches

19,500

401,400 lbs

The Data Above is based on bolts lubricated to manufacturer's specifications. Due

to a variation in friction, we recommend in extreme cases to check with the bolt

manufacturer, as the chart represents a guideline only.

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Содержание j-Gun series

Страница 1: ...Operations Manual jGun Dual Speed jGun FRL Unit LoaDisc Reaction Washer JETYD Corporation 218 Island Road Mahwah NJ 07430 Phone 201 828 5270 Fax 201 828 5224 Email info jetyd com ...

Страница 2: ...ii JETYD Operations Manual 2006 Inc ...

Страница 3: ...nance 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...

Страница 4: ...ervoir 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 ...

Страница 5: ...rive 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...

Страница 6: ...ive 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 an...

Страница 7: ...roughly 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 e...

Страница 8: ...er 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 A...

Страница 9: ...jGun JETYD Operations Manual 3 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 ...

Страница 10: ... 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 ...

Страница 11: ...WITH THE PROPER REACTION ARM SHOWN IN THE PICTURE BELOW WITH THIS ARM IN PLACE THE GUN IS PREVENTED FROM GOING INTO HIGH SPEED MODE THE REACTION ARM IS NOT USED IN HIGH SPEED MODE SAFETY APPARATUS MUST NOT BE TAMPERED WITH DOING SO WILL PUT THE OPERATOR AT RISK OF INJURY ...

Страница 12: ...tion instructions in LoaDisc Reaction Washer Overview Clean the reaction arm and jGun barrel mating surfaces before installing the reaction arm Slide the reaction arm onto the jGun barrel with the reaction arm extension facing out Figure 3 Installing a Reaction Arm Always install the reaction arm with the extension facing away from the gun Failure to install the reaction arm correctly could result...

Страница 13: ... Manual 7 Figure 4 Reaction Arm Installed Lock the reaction arm to the jGun by aligning the set screw with the hole in the splined section and then tightening the set screw firmly Figure 5 Tightening Reaction Arm Set Screw ...

Страница 14: ...Operations Manual Place the appropriately sized socket onto the jGun barrel Figure 6 Installing jGun Socket Install the socket locking pin and retaining ring Figure 7 Installing Socket Locking Pin and Retaining Ring ...

Страница 15: ...Using the LoaDisc reaction washer eliminates external moving parts and increases worker safety Refer to LoaDisc Reaction Washer Overview Failure to have the reaction arm in direct contact with an appropriate immovable object before beginning to tighten the fastener could result in loss of control of the tool and personal injury Keep all body parts clear of the reaction arm and reaction arm contact...

Страница 16: ...tener is being torqued Personal injury may occur if any portion of your body is located between the reaction arm and the immovable object when the fastener is being torqued Ensure the jGun barrel is in a straight line with relation to the stud and that the socket is fully engaged onto the fastener As the tool takes up the bolt load the jGun may shift ...

Страница 17: ... 1 1 4 inches 600 29 955 lbf 1 3 8 inches 1 1 8 inches 1 3 16 inches 700 36 990 lbf 1 1 4 inches 2 inches 800 46 776 lbf 1 1 2 inches 900 44 760 lbf 1 5 8 inches 1 3 8 inches 2 3 16 inches 1 250 53 400 lbf 1 1 2 inches 2 3 8 inches 1 500 64617 lbf 1 3 4 inches 1 600 62 400 lbf 1 7 8 inches 1 800 72 300 lbs 1 5 8 inches 2 9 16 inches 2 000 76 540 lbs 2 inches 2 200 83 100 lbs 1 3 4 inches 2 3 4 inc...

Страница 18: ...her pressure than was set with the jGun running This is normal proper torque is delivered under working load Changing the Drive Direction 1 To change the square drive direction from forward to reverse or vice versa 2 Move the directional lever on the back cover to the left Tighten or right Loosen Figure 9 jGun Drive Direction Lever 3 Be sure the lever is fully engaged in either direction before op...

Страница 19: ...rview section 6 Apply momentary pressure to the torque wrench trigger to ensure proper socket engagement and reaction arm placement Figure 10 jGun Operation 7 Torque the fastener by depressing the trigger until socket stops turning and air bypasses the motor Be sure the reaction arm is fully engaged and located on a solid secure reaction point For added safety remain clear of the rear of the react...

Страница 20: ...1 Using the jGun with a Reaction Washer 4 Ensure the torque wrench is set to the loosening direction 5 Remove the fastener jGun Repair and Maintenance Although the FRL Unit keeps the jGun self maintained by continuously provided pneumatic tool oil to the tool during operation proper repair and preventative maintenance will ensure the full life span of your tool Maintaining Hoses and Fittings Visua...

Страница 21: ...e types Allen Drives Clamp Drives etc To remove the drive end 1 Disengage the continuous snap ring at the base of the square drive above the splined section The ring can be removed by prying the overlapping segment with a small flat head screwdriver Figure 12 Removing the jGun Square Drive Snap Ring 2 Once the first section is out continue prying small sections until the entire ring can be removed...

Страница 22: ...nsure the square drive can spin in place either by turning it by hand or using a screwdriver inserted through the hole 6 Continue to tap down the square drive until it is fully inserted The shoulder of the square drive should sit below the retaining ring groove in the gearbox housing Note The splined end of the square drive must be fully mated with the internal gears of the gearbox To ensure this ...

Страница 23: ... lose the guide pin 6 Assemble in the reverse order of disassembly Calibration JETYD provides a pressure torque conversion chart with every tool The stated accuracy is 5 If you properly maintained your tool and keep it in good working condition it will stay within this stated accuracy Proper maintenance procedures can be found in this JETYD Operations Manual If the torque required is for a critica...

Страница 24: ... ability to select whether they want to run the tool with high speed or with maximum torque Physically the dual speed gun is identical to the standard jGun with the exception of a handle which guides the shifting mechanism Figure 13 Dual Speed jGun with Handle The handle shown above can be positioned on either side for right or left handed operation ...

Страница 25: ...ntil the bolts reach the desired load for any specific application High Speed Setting Shifting into high speed requires pushing the handle forward as shown Figure 14 right photo Once engaged the housing will rotate with the square drive at a much higher rate than the maximum torque setting Use this feature when you want to run nuts on or off studs in a quick and efficient manner When shifting betw...

Страница 26: ...d possibly cause injury Operation with a Socket and Reaction Arm Read this section carefully before proceeding The dual speed gun requires using a special reaction arm provided with the tool by the Jetyd Company This arm includes A snap fitting which secures the tool on the housing A stopper that prevents accidental mode shifting Figure 15 Reaction Arm for dual speed jGun DO NOT USE ANY OTHER REAC...

Страница 27: ...s in its high speed mode Failure to comply with this warning may result in injury as the tool may spin out of control and possibly cause physical injury The Reaction Arm should never be used with the tool when it is in its high speed mode Failure to comply with this warning may result in injury as the tool may spin out of control and possibly cause physical injury Operation with a Load Disc The Lo...

Страница 28: ...dle forward as you pull the trigger and run down all nuts in a criss cross manner To move the tool from one nut to another switch from T to L pull the trigger temporarily and take off tool This does not loosen the nut Switch back to T to continue When all nuts are Pre Torqued take off the Socket place Reaction Arm on the tool spline this will automatically set tool into the low speed mode pin conn...

Страница 29: ...jGun JETYD Operations Manual 23 jGun Single Speed Parts Diagram ...

Страница 30: ...ing Ring for Gearbox J000 17 J000 17 J003 17 J0S5 17 18 O Ring for Gearbox JA00 18 JA00 18 JAS3 18 JAS5 18 19 Screws for Gearbox x4 J000 19 J000 19 J003 19 J0S5 19 20 Motor Guide Pin JA00 20 JA00 20 JA00 20 JA05 20 21 Trigger JA00 21 JA00 21 JA00 21 JA00 21 22 Roll Pin for Trigger J000 22 J000 22 J000 22 J000 22 23 Trigger Rod JA00 20 JA00 20 JA00 20 JA05 20 28 Main Valve JA00 28 JA00 28 JA00 28 J...

Страница 31: ...jGun JETYD Operations Manual 25 jGun Dual Speed Parts Diagram ...

Страница 32: ...ide Pin JA00 20 JA00 20 JA05 20 21 Trigger JA00 21 JA00 21 JA00 21 22 Roll Pin for Trigger J000 22 J000 22 J000 22 23 Trigger Rod JA00 20 JA00 20 JA05 20 28 Main Valve JA00 28 JA00 28 JA00 28 29 Spring for Main Valve JA00 29 JA00 29 JA00 29 30 Inlet Spacer for Main Valve JA00 30 JA00 30 JA00 30 31 Noise Filter JA00 31 JA00 31 JA00 31 32 Mesh Screen JA00 32 JA00 32 JA00 32 33 Bottom Plate JA00 33 J...

Страница 33: ...and may cause damage to the air motor and gearbox Incorrect setting of the lubricator unit may result in a shortage of lubrication to the air motor and gearbox resulting in damage to the tool Figure 16 FRL Unit FRL 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 FRL co...

Страница 34: ...on hard hat and safety shoes Air Supply Requirements Air supply line must be inch minimum diameter to allow adequate air flow to the jGun Air supply must be 90 psi 30 cfm minimum Ensure that air line fittings are tight and leak free Do not over tighten air line fittings Always use the FRL Unit provided with the jGun Never use a substitute oiler and regulator with a jGun Set the air pressure while ...

Страница 35: ... remove water and sediment Fill the lubricator reservoir only with pneumatic tool oil before each use Adjust the lubricator flow to one 1 drop per ten 10 seconds shortage of lubrication may cause motor to sieze Use only the hose provided with the FRL for connection to the unit a change in hose length may affect tool durability and accuracy Emptying the Filter Reservoir You may empty the filter res...

Страница 36: ...TYD Operations Manual Figure 17 Emptying the FRL Filter Reservoir c Pull the filter reservoir down to detach from lubricator body d Discard the contents of the filter reservoir Figure 18 Detaching FRL Reservoir ...

Страница 37: ... and FRL body and pushing up on the reservoir then twisting the reservoir to lock it in place The black locking button should snap into its original position Adjusting Air Pressure To adjust the air pressure at the regulator 1 If you are using a digital gauge press the ON button on the gauge then press the ZERO button to set the reading to zero Do not press the ZERO button when the system is under...

Страница 38: ...counter clockwise to increase pressure Allow 30 seconds for the digital gauge to settle Filling the Lubricator Reservoir To fill the lubricator reservoir 1 Push the black square button down to unlock the reservoir 2 Twist the lubricator reservoir until the two lines on the lubricator body and the lubricator reservoir are aligned 3 Pull the lubricator reservoir down to detach it from lubricator bod...

Страница 39: ...t a rate of at least one drop every ten seconds Repair and Maintenance Although the FRL is a self contained unit and does not require heavy maintenance proper repair and preventative maintenance will ensure the life span of the unit Hoses and Fittings Visually inspect air lines and air line fittings before tool use Replace worn or leaking air lines Tighten leaky fittings Loose fittings can be pote...

Страница 40: ...ed socket turns the nut using the inner socket and the gun reacts on the washer with the outer socket Figure 22 LoaDisc Washer and Socket In addition to the added safety of having no external moving parts the LoaDisc system provides a universal reaction point for all applications eliminating the need for custom designed reaction arms Concurrently the threaded segment inside of the washer stops the...

Страница 41: ...follow correct tool usage could result in personal injury co worker injury and or damaged tools and equipment Ensure that your working area is clean and unobstructed before beginning work Modifying a LoaDisc washer or accessory is dangerous and not recommended Inspect the LoaDisc and LoaDisc driver before each use Replace any obviously worn or damaged parts When not in use properly store the LoaDi...

Страница 42: ...rfaces bolts and nuts must be properly cleaned and dried before installation The LoaDisc reaction washer must be completely dried and free of oil or grease The retaining nut to be installed on top of the LoaDisc must be lubricated using the lubrication as specified on the torque bolt load conversion chart lubrication may be specified upon ordering for custom calibrations Important Installation Pro...

Страница 43: ...ght against the LoaDisc reaction washer For proper installation only 3 or 4 threads should extend beyond the nut to be tightened 6 After all bolts on the joint have been prepped for installation following the above steps tighten the nut using a JETYD LoaDisc socket driver 7 Align the set screw on the socket with the drilled section on the splines of the jGun ...

Страница 44: ...FRL 38 JETYD Operations Manual Figure 25 Aligning LoaDisc Socket Set Screw with Machined Recess in jGun Splines 8 Tighten the set screw Figure 26 Tightening LoaDisc Set Screw ...

Страница 45: ...ighten the nut At start of installation the outer socket of the LoaDisc driver will make a short turn in the direction opposite of operation Once the outer socket stops turning it will begin reacting on the washer as the inner socket turns the nut 11 Continue pulling the trigger until drive stops turning At this point the desired torque or bolt load as set on the pressure regulator of the FRL unit...

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