Stealth hydraulic limited-clearance wrench
Technical manual
Copyright
©
2016 HYTORC. All rights reserved.
This document or parts thereof may not be reproduced, copied, distributed, stored in a retrieval
system, or transmitted, in any form or by any means, electronically nor otherwise, without the prior
written consent of HYTORC.
Specifications and illustrations are subject to change without prior notice. HYTORC will not accept
liability for any alteration or typing error. Details and values given in this manual are average
values and have been compiled with care. Details and values are not binding. HYTORC disclaims
any liability for damage or detriments suffered as a result of reliance on the information given
herein or the use of products, processes or equipment to which this document refers.
Introduction
2
Contents
1 About the document.................................................................................6
1.1 Purpose of the document.............................................................................................................6
1.2 How to work with the document...................................................................................................6
1.3 Languages................................................................................................................................... 6
1.4 Illustrations...................................................................................................................................6
1.5 Safety symbols in the document..................................................................................................6
1.6 Related documents......................................................................................................................7
1.7 Revision history............................................................................................................................7
1.8 Contact information......................................................................................................................7
2 Safety.......................................................................................................8
2.1 General safety instructions.......................................................................................................... 8
2.1.1 Personnel..........................................................................................................................8
2.1.2 Work area..........................................................................................................................8
2.1.3 Equipment.........................................................................................................................8
2.2 Additional safety instructions....................................................................................................... 9
2.2.1 Electric and pneumatic pump units................................................................................... 9
2.2.2 Electric pump units............................................................................................................9
2.2.3 Hydraulic hoses.................................................................................................................9
2.2.4 Reaction arms.................................................................................................................10
2.2.5 Sockets........................................................................................................................... 10
2.3 Safety symbols on the tool.........................................................................................................11
2.4 Qualified personnel....................................................................................................................11
2.5 Liability.......................................................................................................................................11
3 Description............................................................................................. 12
3.1 Intended use.............................................................................................................................. 12
3.2 Overview....................................................................................................................................12
3.3 Electric pump unit...................................................................................................................... 13
3.3.1 LED indicators (electric pump unit)................................................................................. 13
3.4 Pneumatic pump unit................................................................................................................. 14
3.5 Hydraulic limited-clearance wrench........................................................................................... 15
3.6 Accessories................................................................................................................................16
3.6.1 Safety handle.................................................................................................................. 16
3.6.2 BoltSafe load tester.........................................................................................................16
3.6.3 Torque and angle sensor................................................................................................ 16
3.6.4 Insert............................................................................................................................... 17
3.6.5 Stacking nuthead............................................................................................................ 18
3.6.6 Male hex drive.................................................................................................................18
4 Installation..............................................................................................19
4.1 Hydraulic hoses......................................................................................................................... 19
4.1.1 Hydraulic hose connections............................................................................................ 19
4.1.2 Connecting the hydraulic hoses......................................................................................20
4.1.3 Disconnecting the hydraulic hoses..................................................................................21
4.2 Power supply (electric pump units)............................................................................................22
4.2.1 Connecting the power supply (230V)..............................................................................22
4.2.2 Connecting the power supply (400V)..............................................................................22
Contents
- - 3
4.3 Air supply (pneumatic pump units).............................................................................................23
4.4 Explosion protection (pneumatic pump units)............................................................................23
5 Reaction arms........................................................................................24
5.1 Reaction pad..............................................................................................................................24
5.2 Alco reaction arm.......................................................................................................................24
5.3 Interconnect reaction arm.......................................................................................................... 25
5.4 Holding plate..............................................................................................................................25
6 Operation............................................................................................... 26
6.1 Inspections before use...............................................................................................................26
6.2 Remote control...........................................................................................................................26
6.2.1 Electric pump unit............................................................................................................26
6.2.2 Pneumatic pump unit...................................................................................................... 27
6.3 Disengagement button for reaction pawl................................................................................... 27
6.4 Torque........................................................................................................................................28
6.4.1 Pressure/torque chart......................................................................................................28
6.4.2 Setting the torque............................................................................................................28
6.5 Replacing the ratchet link...........................................................................................................29
6.6 Determining the direction of rotation..........................................................................................30
6.7 Tightening and loosening a bolted flange connection................................................................30
6.7.1 Tightening a bolted flange connection............................................................................ 31
6.7.2 Loosening a bolted flange connection.............................................................................31
6.8 Automatic shut-off system..........................................................................................................32
6.9 Thermal protection.....................................................................................................................32
7 Maintenance.......................................................................................... 33
7.1 Preventive maintenance............................................................................................................ 33
7.2 Maintenance by HYTORC......................................................................................................... 33
8 Storage.................................................................................................. 34
8.1 Storing the cables...................................................................................................................... 34
9 Troubleshooting..................................................................................... 35
9.1 Tools.......................................................................................................................................... 35
9.2 Pump units.................................................................................................................................36
9.2.1 General........................................................................................................................... 36
9.2.2 Electric pump units..........................................................................................................36
9.2.3 Pneumatic pump units.....................................................................................................37
10 Technical data........................................................................................38
10.1 Stealth 2.....................................................................................................................................38
10.2 Stealth 4.....................................................................................................................................38
10.3 Stealth 8.....................................................................................................................................39
10.4 Stealth 14...................................................................................................................................39
10.5 Stealth 22...................................................................................................................................39
10.6 Stealth 36...................................................................................................................................39
10.7 Swivel rotation............................................................................................................................40
10.8 Physical conditions.................................................................................................................... 40
10.9 Maximum torque values (stacking nutheads and male hex drives)........................................... 40
Contents
4 - -
11 Declaration of Conformity...................................................................... 43
12 Parts list................................................................................................. 44
Contents
- - 5
1 About the document
1.1 Purpose of the document
The document shows the information to do these steps:
• Install the equipment
• Operate the equipment
• Maintain the equipment
The document contains the original instructions for the Stealth hydraulic limited-clearance
wrench, to which is referred with the term ‘tool’. The term ‘equipment’ is used as a more
general term to refer to the entire system: the tool, its parts and its accessories, including
the pump unit.
1.2 How to work with the document
1. Read the document completely. Make sure that you understand all the instructions.
2. Obey the safety instructions to prevent injury or damage to equipment.
3. Do the procedures completely and in the given sequence.
4. Keep a copy of the latest version of the document and all related documents near the
equipment.
1.3 Languages
The original language of the document is English. All other language versions are
translations of the original instructions.
1.4 Illustrations
It is not always possible to provide a detailed illustration of every single item of the
equipment. The illustrations in the document show a typical setup and are for instructional
use only.
1.5 Safety symbols in the document
Safety symbol
Function Description
Warning “Warning” means that injury or death is possible if you
do not obey the instructions.
Caution “Caution” means that damage to equipment is possible
if you do not obey the instructions.
About the document
6 37 - 001 -
Safety symbol Function Description
Note “Note” is used to give additional information.
1.6 Related documents
Document name Target group
Stealth hydraulic limited-clearance wrench
User manual
Personnel who operates the equipment
1.7 Revision history
Date
Revision number Comment
04-08-2016 001 First version
1.8 Contact information
HYTORC Nederland BV
Platinawerf 8
6641 TL Beuningen
The Netherlands
Phone: +31 (0)24 3660660
Website: www.hytorc.nl
Email: info@hytorc.nl
HYTORC Benelux BVBA
Ysselaarlaan 65B
2630 Aartselaar
Belgium
Phone: +32 (0)38 705220
Website: www.hytorc.be
Email: info@hytorc.be
About the document
37 - 001 - 7
2 Safety
2.1 General safety instructions
2.1.1 Personnel
• Do not allow unqualified personnel to perform tasks on or with the equipment.
• Keep unqualified personnel, children and animals away from the equipment.
• Wear personal protective equipment (PPE): safety helmet, safety goggles, hearing
protection, safety gloves, safety shoes and coverall.
• Keep loose clothing, long hair and jewelry away from the moving parts.
• Stay alert. Use common sense. Do not use the equipment under the influence of
mood-altering substances.
• Always stand in a firm position.
• Do not hold the tool during operation.
• Keep your hands away from the nut or the bolt being loosened or tightened.
• Do not stand in the line of movement of the tool during operation. If the tool separates
from the nut or the bolt, it will detach in that direction.
• Be aware that a fastener that breaks off during operation will become a high-velocity
projectile.
• Make sure that the tool and the pump unit are operated by the same operator. If the
tool and the pump unit cannot be operated by the same operator, make sure that good
communication is maintained between the operators.
• Obey the local labor and safety laws and environmental regulations.
2.1.2 Work area
• Keep the work area clean and well lit.
• Keep the work area free of unwanted obstacles. Ensure free passages in the work
area during operation.
2.1.3 Equipment
• Only use equipment that is approved by HYTORC.
• Only use equipment that is appropriate or compatible with the HYTORC equipment.
• Do not modify the equipment in any way.
• Only use the tools for the purposes for which they have been designed. Do not force
small tools or accessories to do the job of a larger tool. HYTORC can develop
customized accessories to ensure safe and simple operation. Contact your local
HYTORC representative for more information.
• Inspect the equipment for visual damage before each use. Obey the instructions for
maintenance of the equipment.
• Do not remove or disable the safety provisions on the equipment.
• Make sure that the cover plates are not damaged and installed correctly. All HYTORC
tools are equipped with cover plates to cover moving parts. If cover plates are missing
or damaged, contact your local HYTORC representative for repair.
• In most cases, the tool will allow hands-free operation. If the tool must be held or
steadied during operation, use alternative means of securing the tool to the
application.
• Do not apply more pressure to the equipment than the maximum allowable pressure.
• Do not hit reaction arms or sockets with heavy objects (e.g. hammers). If the nut or the
bolt does not turn with the tool you are using, use a tool of a larger size.
Safety
8 37 - 001 -
• Do not cut, weld or otherwise modify reaction arms or sockets.
• Do not expose reaction arms or sockets to extremely high or low temperatures.
• Do not leave tools with reaction arms and sockets hanging on the nut or the bolt.
• Do not use pump units, hydraulic hoses, hose connections with hose couplings, power
cables or remote control cables to carry or move the equipment. Always hold the
pump unit or the tool to carry or move the equipment.
• Store tools and accessories which are not in use properly.
2.2 Additional safety instructions
2.2.1 Electric and pneumatic pump units
• Only use HYTORC pump units.
• Do not modify the pump unit in any way.
• Do not use the electric pump unit in atmospheres which are potentially volatile. If there
is doubt, use a pneumatic pump unit. Metal-to-metal contact can cause sparks. Take
appropriate additional measures.
• Wear hearing protection. The sound emission of HYTORC pump units is less than 80
dB.
• Make sure that the maximum operating pressure of the pump unit is not higher than
the maximum permitted pressure of 700 bar (10,000 psi).
• Make sure that the pump unit is properly grounded.
• Make sure that the pump unit is filled with the (supplied) hydraulic oil (Shell Tellus S2
V32).
• Make sure that the oil level in the oil tank is beween the minimum mark and the
maximum mark. Use the oil level sight glasses to check the oil level.
• To refill the oil tank with hydraulic oil, use only high-grade hydraulic oil (ISO VG 32 or
ISO VG 46 in more extreme conditions).
• Do not mix different grades of hydraulic oil.
• Make sure that the oil filler cap is placed on the oil filling point.
2.2.2 Electric pump units
• Make sure that the mains voltage corresponds to the rated voltage of the pump unit.
• For 230V pump units, the mains voltage must be between 200V and 230V.
• For 400V pump units, the mains voltage must be between 380V and 460V.
• If you use an extension cable:
• Do not use an extension cable longer than necessary.
• Make sure that the length of the extension cable does not exceed 50 metres.
• Make sure that the cross section of the wires in the extension cable is at least 2.5
mm2.
• Fully unroll the extension cable from the cable drum.
• Make sure that there is no overvoltage or undervoltage. Do not use extension cables
that are too thin or too long.
• If you use a 400V pump unit, make sure that the direction of rotation is correct. When
the LED indicator becomes red, the direction of rotation is incorrect. Reverse the
polarity of the phase inverter plug.
2.2.3 Hydraulic hoses
• Only use HYTORC hydraulic hoses.
• Do not modify the hydraulic hoses in any way.
Safety
37 - 001 - 9
• Make sure that the hydraulic hoses are securely connected.
• Make sure that the hydraulic hoses are not kinked or twisted.
• Keep the hydraulic hoses away from the reaction point.
• Replace damaged hydraulic hoses immediately. Replace the hydraulic hoses at least
every three years.
2.2.4 Reaction arms
• Only use HYTORC reaction arms.
• Do not modify the reaction arms in any way.
• Place the reaction arm against a solid reaction point that can handle the load.
• Only place the reaction area against the reaction point.
• Make sure that the end of the reaction arm has both horizontally and vertically at least
10 mm overlap with the reaction point. If a distance of at least 10 mm is not possible,
choose another reaction point or use an appropriate reaction arm.
ุPP
• Make sure that the reaction arm is locked onto the tool.
• Avoid excessive play. Pressurize the system momentarily. If the tool tends to creep or
stand askew, stop immediately and adjust the reaction arm to a more solid and secure
position.
• Do not place the reaction arm against a round or inclined reaction point.
• Do not place any part of your body between the reaction arm and the reaction point.
• Do not place objects between the reaction arm and the reaction point.
• When you use a reaction cup, make sure that the reaction cup is placed over the
reaction point completely.
• When you use a reaction pin cup, make sure that the pin reaches the bottom of the
hex bolt.
2.2.5 Sockets
• Only use HYTORC sockets.
• Do not modify the sockets in any way.
• Do not use sockets that have been excessively heated or cooled.
• Use thick-walled heavy-duty sockets only. Do not use thin-walled sockets.
• Only use deep well sockets when strictly necessary. The excessive height causes
unnecessary bending forces.
Safety
10 37 - 001 -
• Do not use sockets that are used on impact wrenches. The impact deforms the drive
hole of the socket and hardens and brittles the steel. This can cause fracture of the
steel and increases the risk of flying objects.
• Make sure that the width across flats of the socket corresponds to the width across
flats of the nut or the bolt. Note the difference between metric and imperial
measurements.
• Place the tool with the socket on the nut or the bolt. Make sure that the socket is
placed over the nut or the bolt as far as possible.
• Make sure that the socket is secured to the tool.
• Do not use common extension pieces or step-up/step-down adapters. HYTORC can
develop customized accessories to ensure safe and simple operation. Contact your
local HYTORC representative for more information.
2.3 Safety symbols on the tool
The tool has no warning labels. Warning labels can only be applied on locations where
they will become damaged or illegible immediately.
2.4 Qualified personnel
The term ‘qualified personnel’ refers to persons who thoroughly understand the
equipment and its safe installation, operation and maintenance. Qualified personnel are
physically capable of performing the required tasks, familiar with all relevant safety
instructions and regulations and trained to safely install, operate and maintain the
equipment. It is the responsibility of the company operating the equipment to see that the
personnel meet these requirements.
2.5 Liability
HYTORC cannot be held responsible for injury or damage that results from unintended
use of the equipment. The equipment is designed and intended only for the purpose
described in the relevant documents. Uses not described in the relevant documents are
considered unintended uses and can result in injury or damage.
Unintended uses include:
• Using equipment that is not approved by HYTORC
• Using equipment that is inappropriate or incompatible with the HYTORC equipment
• Altering or modifying equipment in any way
• Allowing unqualified personnel to perform tasks on or with the equipment
Safety
37 - 001 - 11
3 Description
3.1 Intended use
The Stealth hydraulic limited-clearance wrench is a tool used for both your torque and
tension applications. Different reaction arms and sockets can be used with the tool.
HYTORC hydraulic tools have an accuracy of ± 3%.
3.2 Overview
1
Electric pump unit 3 Hydraulic limited-clearance wrench
2 Twin hose
Description
12 37 - 001 -
3.3 Electric pump unit
The pressure range of the pump unit is 50 bar - 700 bar.
4
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1 Hose connection (male coupling) (supply
hose) (A)
8 Pressure relief valve
2 Hose connection (female coupling) (re-
turn hose) (B)
9 Remote control
3 Oil filling point 10 Start button
4 Oil drain point 11 Stop button
5 Oil level sight glass 12 LED indicator
6 Pressure gauge 13 Remote control clamp
7 Pressure control valve / Wingnut
3.3.1 LED indicators (electric pump unit)
230V pump unit
Description
37 - 001 - 13
Indication Description
Green, continuous The pump unit is ready for use.
400V pump unit
Indication Description
Green, continuous The pump unit is ready for use.
Red, flashing (2x) The direction of rotation is incorrect. Reverse
the polarity of the phase inverter plug.
Red, continuous Error.
3.4 Pneumatic pump unit
The pressure range of the pump unit is 50 bar - 700 bar.
Description
14 37 - 001 -
1 Hose connection (male coupling) (supply
hose) (A)
9 Compressed-air inlet
2 Hose connection (female coupling) (re-
turn hose) (B)
10 Air shut-off valve
3 Oil filling point 11 Water filter / Air pressure regulator
4 Oil drain point 12 Air lubricator
5 Oil level sight glass 13 Filter cap
6 Pressure gauge 14 Remote control
7 Pressure control valve / Wingnut 15 On/off switch
8 Pressure relief valve 16 Start button
3.5 Hydraulic limited-clearance wrench
$
5
1
Hose connection (male coupling) (supply
hose) (A)
6 Disengagement button for reaction pawl
2 Hose connection (female coupling) (re-
turn hose) (R)
7 Mounting point for safety handle
3 Ratchet link (interchangeable) 8 Mounting holes for holding plate
4 Link release button 9 Hex drive or Hytorc nut drive
5 Link pin
Description
37 - 001 - 15
3.6 Accessories
3.6.1 Safety handle
Procedure
For more convenience and safety,
install the safety handle to the tool
or the reaction arm.
3.6.2 BoltSafe load tester
The BoltSafe load tester has a reading system and one or more sensors. The sensors
monitor the bolt load in bolted joints. The sensors are shaped and used as a regular
washer. Different BoltSafe read-out systems are available for continuous and periodic
measurement.
Procedure
Place the BoltSafe load tester
between the nut and mounting
surface.
3.6.3 Torque and angle sensor
The tool can be extended with a torque and angle sensor for digital registration of bolting.
Description
16 37 - 001 -
Procedure
3.6.4 Insert
Procedure
1. Place the adapter in the tool.
2. Place the adapter over the nut as
far as possible.
Description
37 - 001 - 17
3.6.5 Stacking nuthead
Procedure
1. Place the adapter in the tool.
2. Use the circlip ring to fasten the
adapter.
3. Place the adapter over the nut as
far as possible.
3.6.6 Male hex drive
Procedure
1. Place the adapter in the tool.
2. Use the circlip ring to fasten the
adapter.
3. Place the hex drive into the nut as
far as possible.
Description
18 37 - 001 -
4 Installation
4.1 Hydraulic hoses
The working pressure of the hydraulic hoses is up to 700 bar. The safety factor of the
hydraulic hoses is factor 4.
4.1.1 Hydraulic hose connections
Use a twin hose to connect the pump unit to the tool. A twin hose consists of two hoses.
The supply hose has two ends with female couplings. The supply hose is connected to
the hose connections with male couplings on the pump unit and the tool. The male
coupling on the pump unit is marked with "A". The male coupling on the tool is marked
with "A".
The return hose has two ends with male couplings. The return hose is connected to the
hose connections with female couplings on the pump unit and the tool. The female
coupling on the pump unit is marked with "B". The male coupling on the tool is marked
with "R".
Caution: Do not modify the hydraulic hoses in any way. If you modify the
hydraulic hoses, damage to the equipment can occur.
3803
3803
3803
722/
722/
722/
Note: An odd number of hoses is required to extend the hydraulic hose. You
cannot use an even number of hoses. "PUMP" refers to the electric pump
unit. "TOOL" refers to the tool.
Installation
37 - 001 - 19
Screw-type safety couplings (Pioneer)
• To tighten the couplings (A), make sure that
the system is depressurized. Push the couplings completely together to full engagement, and tighten the locking ring of the female coupling to the male coupling. If the
couplings are not fully tightened, the tool will
not operate.
• To loosen the couplings (B), make sure that
the system is depressurized. Loosen the
locking ring of the female coupling from the
male coupling and pull the couplings apart.
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Toothed screw-type safety couplings (HYTORC
716)
The coupling is identical to the screw-type safety couplings (type Pioneer), but both coupling
are toothed. The male coupling has a toothed
locking ring which is axially displaceable. The
female coupling also has a toothed ring.
• To tighten the couplings (A), make sure that
the system is depressurized. Push the couplings together and engage the teeth of male
coupling and the female coupling. If the couplings are not fully tightened, the tool will not
operate.
• To loosen the couplings (B), make sure that
the system is depressurized. Pulll the toothed locking ring axially and loosen the locking
ring.
$
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Quick couplings (HYTORC 1008)
• To tighten the couplings (A), make sure that
the system is depressurized. Pull back the
pull-back ring on the female coupling, push
the male coupling into the female coupling
and release the pull-back ring. Screw the
locking ring on the female coupling against
the pull-back ring.
• To loosen the couplings (B), make sure that
the system is depressurized. Screw the locking ring on the female coupling from the pullback ring. Pull back the pull-back ring to remove the male coupling from the female
coupling.
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4.1.2 Connecting the hydraulic hoses
Warning:
• Make sure that the system is depressurized.
Installation
20 37 - 001 -
• Make sure that the hydraulic hoses are securely connected to both the
pump unit and the tool. Make sure that there is no clearance between the
male couplings and the female couplings. If the hydraulic hoses become
loose, no hydraulic oil will flow through the hoses and the tool will not
operate.
Procedure
1. If the hose couplings are dirty, clean
them with a lint-free cloth.
2. Fully tighten the female couplings to
the male couplings.
3. Manually tighten the hose
couplings. Do not use pliers.
4.1.3 Disconnecting the hydraulic hoses
Warning:
• Make sure that the system is depressurized.
Procedure
1. Disconnect the return hose from the
pump unit and the tool.
a) Electric pump unit (1): If you
cannot disconnect the return
hose, press and hold the stop
button (B) and press the start
button (A) on the remote
control.
b) Pneumatic pump unit (2): If you
cannot disconnect the return
hose, set the on/off switch (A)
to the off position and press the
start button (B) on the remote
control to depressurize the
hose.
c) If you still cannot disconnect
the return hose, there is residual pressure in the hose. Press the pressure relief
valve (C) on the pump unit to depressurize the hose.
2. Disconnect the supply hose from the pump unit and the tool.
3. Roll up the hydraulic hoses and connect the hose couplings to prevent them from
becoming soiled.
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Installation
37 - 001 - 21
4.2 Power supply (electric pump units)
There are different types of electric pump units to operate the tool:
1. 230V pump unit
2. 400V pump unit
Warning:
• If you use an extension cable:
• Do not use an extension cable longer than necessary.
• Make sure that the length of the extension cable does not exceed 50
metres.
• Make sure that the cross section of the wires in the extension cable is
at least 2.5 mm2.
• Fully unroll the extension cable from the cable drum.
4.2.1 Connecting the power supply (230V)
Procedure
1. Connect the mains plug to the wall
socket.
2. Make sure that the cross section of
the wires in the extension cable is
at least 2.5 mm2).
4.2.2 Connecting the power supply (400V)
Procedure
1. Connect the mains plug to the wall
socket.
2. If the pump does not start to
operate, use a thicker or shorter
extension cable.
3. Make sure that the direction of
rotation is correct. If the LED
indicator on the pump unit lights
red, the direction of rotation is
incorrect. Reverse the polarity of
the phase inverter plug.
a) Place a flat-head screwdriver
as shown.
b) Turn the insulated plate 180° to reverse the polarity of the phase inverter plug.
Installation
22 37 - 001 -
4.3 Air supply (pneumatic pump units)
Procedure
1. Connect an air hose to the
compressed-air inlet (A). Use an air
hose with an internal diameter
larger than 3/4".
2. It is recommended to use a filter
regulator lubricator (FRL):
a) Remove the filter cap (B).
b) Fill the air lubricator (C)
halfway with hydraulic oil. Use
only high-grade hydraulic oil
(ISO VG 32 or ISO VG 46 in
more extreme conditions).
c) Install the filter cap (B).
d) Open the air shut-off valve (D).
e) Turn the air pressure regulator
(E) to adjust the air lubricator
(C) to one drop per 60-90 seconds.
f) Close the air shut-off valve (D).
Note: When the pump operates, the pump air pressure must be at least 4
bar.
4.4 Explosion protection (pneumatic pump units)
HYTORC can make the system (pump, hose and tool) explosion proof. The tools will be
equipped with anodized swivels. Metal springs will be fitted onto the couplings of the
swivel, the twin hose and the pump unit. The rubber feet of the pump unit will be replaced
by metal studs.
HYTORC can refit all systems to meet the ATEX-requirements conform:
• EPS 13 ATEX 2 561 X
• EX II 2 G EX c IIB T4
• CE
Warning:
• Only use ATEX-certified pneumatic pump units, hydraulic hoses and tools
in areas with explosion hazard.
• Let authorised personnel inspect the explosion-proof system on a regular
basis.
Procedure
1. Make sure that all couplings and other connections are tight.
2. Connect a multimeter between the tool and one end of a grounding wire to measure
the conductivity.
3. Connect one end of the grounding wire to the pneumatic pump unit.
4. Connect the other end of the grounding wire to an earthing point.
(
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Installation
37 - 001 - 23
5 Reaction arms
The reaction arms can be used together with hydraulic tools, pneumatic tools and electric
tools.
There are different types of reaction arms to operate the tool.
5.1 Reaction pad
Procedure
1. Place the reaction arm as shown.
2. Place the tool over the nut as far as
possible.
5.2 Alco reaction arm
Procedure
1. Place the reaction arm as shown.
2. Place the tool over the nut as far as
possible.
Reaction arms
24 37 - 001 -
5.3 Interconnect reaction arm
Procedure
1. Place the reaction arm as shown.
2. Place the tools over the nuts as far
as possible.
5.4 Holding plate
The holding plate allows to use double-drive. Multiple variants are available for use with
the HYTORC WasherTM or HYTORC LoadDISCTM.
Procedure
1. Place the HYTORC WasherTM or
HYTORC LoadDISCTM under the
regular nut.
2. Place the tool with the holding plate
over the nut and reaction washer
completely.
Reaction arms
37 - 001 - 25
6 Operation
6.1 Inspections before use
Make sure that:
• the oil level in the oil tank is beween the minimum mark and the maximum mark.
• the power supply is correct.
• the power cable is fully unrolled and not kinked, twisted or damaged.
• the remote control cable is fully unrolled and not kinked, twisted or damaged.
• all couplings and other connections are tight and not damaged or deformed.
• the hydraulic hoses are securely connected and not kinked, twisted or damaged.
Inspect the hydraulic hoses for damage with a set pressure of 200 bar (2,900 psi), 400
bar (5,800 psi) and 700 bar (10,000 psi) respectively.
• all moving parts of the tool are clean and sufficiently lubricated with a high-quality
NLGI #2 molybdenum disulfide grease. For subsea applications, HYTORC
recommends Womi lube.
• the square drive and the drive retainer are securely fitted.
• the reaction arm is placed against a solid reaction point and secured to the tool.
• the socket has the correct size and is secured to the tool.
• all securing clips, securing pins and securing screws are fitted and secured to the
pump unit, the hydraulic hoses, the tool, the reaction arm and the socket.
• all water, if present, is drained from the water separator (pneumatic pump units only).
• the pressure gauge does not leak. Signs of leakage are a decrease in the level of
glycerin in the pressure gauge or the pressure gauge filled with hydraulic oil.
6.2 Remote control
6.2.1 Electric pump unit
Procedure
1. Press the start button (A) on the
remote control to switch on the
pump unit.
2. Press and hold the start button (A)
on the remote control to increase
the pressure in the pump unit and
operate the tool.
3. Press the stop button (B) on the
remote control to switch off the
pump unit.
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Operation
26 37 - 001 -
6.2.2 Pneumatic pump unit
Procedure
1. Set the on/off switch (A) to the on
position to switch on the pump unit.
2. Press and hold the start button (B)
to increase the pressure in the
pump unit and operate the tool.
3. Set the on/off switch (A) to the off
position to switch off the pump unit.
6.3 Disengagement button for reaction pawl
The reaction pawl assures a one-way ratcheting mechanism. The reaction pawl absorbs
torsion and bending of the bolt, flexibility of the tool and movement of the reaction point.
Without the reaction pawl, the required torque may not reach the nut or the bolt and the
tightening speed will be decreased. The reaction pawl may cause the motor to stall at the
end of the tightening process.
After torquing, the tool is under tension and can be hard to remove. Disengage the
reaction pawl to release the tension and to remove the tool easily. Before you remove the
tool from the nut or bolt, complete the following instructions.
Procedure
1. Press and hold the start button on
the remote control until the set
pressure is reached.
2. Move the disengagement button to
position A.
3. Release the start button on the
remote control.
4. Remove the tool from the nut or the
bolt.
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A
Operation
37 - 001 - 27
6.4 Torque
6.4.1 Pressure/torque chart
The maximum operating pressure for all HYTORC pump units is 690 bar (10,000 psi).
Warning:
• Make sure that the maximum operating pressure of the pump unit is not
higher than the maximum permitted pressure of 690 bar (10,000 psi).
Each HYTORC torque wrench has its own pressure/torque chart. The pressure/torque
chart is separately supplied with your HYTORC torque wrench. Refer to the pressure/
torque chart to find the required torque (Nm / ft.lb.) and read the required pressure (bar /
psi).
Example (Stealth 2)
Pressure
Torque
bar psi Nm ft.lb.
104 1,500 377 278
110 1,600 403 297
124 1,800 456 336
138 2,000 508 375
152 2,200 559 413
165 2,400 610 450
179 2,600 661 488
6.4.2 Setting the torque
Warning:
• Always set the pressure from low pressure to high pressure.
Procedure
1. Loosen the wingnut (A) on the
pressure control valve (B) of the
pump unit.
2. Turn the pressure control valve (B)
counterclockwise to set the
pressure as low as possible.
3. Put the tool on the ground or on
another safe location.
4. Start the pump:
• Electric pump unit: Press the
start button (C) on the remote
control.
• Pneumatic pump unit: Set the
on/off switch (E) to the on
position.
The pump starts to operate. The
piston in the tool moves to the fully retracted position.
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Operation
28 37 - 001 -
5. Press and hold the start button (C) on the remote control until the square drive no
longer turns.
The piston in the tool is in the fully extended position.
Note: If the piston does not move, turn the pressure control valve (B)
360° clockwise.
6. Release the start button (C) on the remote control.
The piston in the tool moves to the fully retracted position.
7. Repeat steps 4 through 6 three times.
8. Set the correct torque.
a) Press and hold the start button (C) on the remote control.
b) Turn the pressure control valve (B) until the pressure gauge shows the correct
pressure.
c) Release the start button (C) on the remote control.
d) After a few seconds, press and hold the start button (C) on the remote control to
check the pressure.
e) If the pressure is correct, tighten the wingnut on the pressure control valve (B) of
the pump unit.
f) After a few seconds, press and hold the start button (C) on the remote control to
check the pressure.
6.5 Replacing the ratchet link
Procedure
1. Remove the link pin (A).
2. Press the link release button (B)
and pull the power head (C) from
the ratchet link.
3. Place the power head (C) on the
replacing ratchet link.
4. Push the power head (C) until the
link release button (B) clicks.
5. Place the link pin (A).
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Operation
37 - 001 - 29
6.6 Determining the direction of rotation
Procedure
1. To tighten a bolted connection,
place the tool onto the bolt as
shown. Refer to the marking
"TIGHTEN" on the tool.
2. To loosen a bolted connection,
place the tool onto the bolt as
shown. Refer to the marking
"LOOSEN" on the tool.
6.7 Tightening and loosening a bolted flange connection
Warning:
• When you use a hex socket, do not use more than the specified torque.
• Place the tool with the socket on the nut or the bolt. Make sure that the
socket is placed over the nut or the bolt as far as possible. Obey the safety
instructions for sockets.
• Place the reaction arm against a solid reaction point that can handle the
load. Obey the safety instructions for reaction arms.
• Make sure that the tool is free of the reaction point and other obstructions.
• Start the system momentarily. If the tool tends to creep or stand askew,
stop immediately and adjust the reaction arm to a more solid and secure
position.
/226(1
7,*+7(1
Operation
30 37 - 001 -
6.7.1 Tightening a bolted flange connection
Procedure
1. Start the pump unit and set the
torque.
2. Place the tool onto the nut or the
bolt head correctly. Refer to the
marking "TIGHTEN" on the tool.
3. Press and hold the start button (B)
on the remote control until the
square drive no longer turns.
The piston in the tool is in the fully
extended position. An audible click
will sound. The pressure gauge
increases to the set value.
Note: If the pressure gauge increases to the set value, this does not
indicate that the required torque is applied to the nut or the bolt. It only
indicates that the piston in the tool cannot turn the socket further until the
tool automatically resets itself.
4. Release the start button (B) on the remote control.
The piston in the tool moves to the fully retracted position. An audible click will
sound.
5. Repeat steps 3 and 4 until the nut or the bolt no longer turns.
The nut or the bolt has been tightened with a torque accuracy of ±3%.
6.7.2 Loosening a bolted flange connection
Caution:
• Always set the pressure as low as possible to loosen the nut or the bolt.
• If you must constantly use a high pressure to loosen the nut or the bolt,
use a heavier HYTORC tool. Contact your local HYTORC representative
for more information.
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Operation
37 - 001 - 31
Procedure
1. Turn the pressure control valve (A)
clockwise to set the maximum
pressure (700 bar, 10,000 psi). If
you use hex sockets, there are
restrictions to make sure that the
sockets do not break.
2. Place the tool onto the nut or the
bolt correctly. Refer to the marking
"LOOSEN" on the tool.
3. Press and hold the start button (B)
on the remote control until the
square drive no longer turns.
The piston in the tool is in the fully
extended position. An audible click
will sound. The pressure gauge
increases to the set value.
4. Release the start button (B) on the
remote control.
The piston in the tool moves to the fully retracted position. An audible click will
sound.
5. Repeat steps 3 and 4 until you can loosen the nut or the bolt by hand.
6.8 Automatic shut-off system
The electric pump unit is equipped with an automatic shut-off system. The pump unit will
be switched off after approximately 30 seconds of non-operation to prevent wear and
overheating. To restart the pump unit, press the start button on the remote control.
6.9 Thermal protection
The electric pump unit is equipped with a thermal protection to monitor the temperature of
the motor. If the preset maximum temperature is exceeded, the pump will be switched off
automatically and the green LED indicator on the pump unit will go off.
The green LED indicator on the pump will come on when the motor has cooled down.
The pump unit is ready to operate.
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Operation
32 37 - 001 -
7 Maintenance
7.1 Preventive maintenance
• Replace the hydraulic oil after every 40 hours of operation or at least twice a year. Use
only high-grade hydraulic oil (ISO VG 32 or ISO VG 46 in more extreme conditions).
• Replace the filter of the pump unit at least 3 times a year or more often if the pump
unit is used daily or in a dirty environment.
• Electric pump unit: Clean or replace worn carbon brushes of the pump unit.
• Clean dirty hose couplings. Replace defective hose couplings.
• Replace the hydraulic oil when it has a white, milky look.
7.2 Maintenance by HYTORC
• Have the tool fully disassembled, cleaned, inspected and lubricated at least once a
year.
• When the tool is dirty because of sand or another abrasive, have the tool fully
disassembled, cleaned, inspected and lubricated immediately.
• Have the pressure gauge calibrated and refilled with glycerin at least once a year.
• Have the rotor shaft and the rotor shaft bearings of the pump motor cleaned and
lubricated at least once a year.
• Have the air hose to the remote control inspected for obstructions or kinks periodically.
• Have the spring-loaded buttons on the remote control inspected if they do not operate
smoothly.
• Have the pressure control valve of the pump unit cleaned at least once a year.
Maintenance
37 - 001 - 33
8 Storage
8.1 Storing the cables
Procedure
1. Wind the remote control cable around the frame.
2. Place the remote control in the remote control clamp.
3. Electric pump unit: Wind the power supply cable around the frame.
Storage
34 37 - 001 -
9 Troubleshooting
Try to find a solution for the problem using the tables. If you cannot find a solution for the
problem, contact your local HYTORC representative.
9.1 Tools
Problem Possible cause Solution
The tool does not move. The hose couplings on the tool
and the pump unit are not secured properly.
Securely tighten the female
coupling to the male coupling.
The tool stalls. The reaction pawl was not acti-
vated.
See
Disengagement button for
reaction pawl
on page 27.
The piston in the tool does not
retract.
The hose couplings on the tool
and the pump unit are not secured properly.
Securely tighten the female
coupling to the male coupling.
The linkage between the piston
and the drive arms is damaged.
Replace the defective part.
The pressure in the system
does not increase.
There is oil leakage due to a
defective piston, piston seal or
O-ring.
Replace the defective part.
There is leakage in the pressure relief valve and/or the two
oil line connections.
Tighten the leaking connection.
Use a 9/16” open-end wrench.
A motor coupling is worn. The
pump makes sounds like pebbles in a tin can.
Replace the motor coupling.
The air shut-off valve fails due
to excessive moisture and/or
dirt in the air supply.
Clean the air shut-off valve and
the air lines.
The valve in the remote control
fails.
Replace the valve in the remote
control.
The tool leaks externally. Blind plugs or end caps are
worn/damaged or not secured.
Replace the blind plugs and/or
the end caps.
The O-ring or the gland seal in
the piston is defective.
Replace the defective part.
The tool operates backwards. An even number of hoses has
been connected.
Connect an odd number of hoses. See
Hydraulic hose con-
nections
on page 19.
The male coupling and the female coupling have been interchanged.
Use a HYTORC twin hose.
The tool moves slower than
usual.
There is a leakage in the system.
Adjust the pump pressure to
700 bar (10,000 psi) and switch
off the pump unit while holding
the start button. The pump
pressure must decrease to 100
bar (1,450 psi). If the pump
pressure decreases to 0 bar (0
psi), contact your local HYTORC representative.
The ratchet returns with a
stroke.
The square drive is defective. Replace the defective part.
Troubleshooting
37 - 001 - 35
Problem Possible cause Solution
The ratchet does not take successive strokes.
The square drive or the ratchet
spring is defective.
Replace the defective part.
The piston does not fully retract.
Allow the piston to fully retract.
Cycle freely for several strokes.
If the problem persists, check
the reaction pawl.
The linkage between the piston
rod and the drive plates is damaged.
Replace the defective part.
The tool locks onto the nut. The square drive is loaded at
full torque.
Use the disengagement lever
to remove the tool from the nut
or the bolt.
The tool operates backwards. Push the start button to release
the tool.
The tool cannot move freely
from surrounding objects.
Use the disengagement lever
to remove the tool from the nut
or the bolt.
9.2 Pump units
9.2.1 General
Problem
Possible cause Solution
The pump pressure is not repeatedly accurate with a fixed
setting.
The pressure control valve is
dirty or defective.
Contact your local HYTORC
representative.
The pump unit operates and
provides pressure, but the tool
does not move.
The hose couplings on the tool
and the pump unit are not secured properly.
Securely tighten the female
coupling to the male coupling.
The pressure in the system
does not increase.
A motor coupling is worn. The
pump makes sounds like pebbles in a tin can.
Replace the motor coupling.
9.2.2 Electric pump units
Problem
Possible cause Solution
The motor makes strange
noises and does not provide
pressure (400V pump units only).
The direction of rotation is incorrect.
Change the direction of rotation. See
Connecting the power
supply (400V)
on page 22.
The motor does not accelerate
and stops after starting.
There is drop in voltage due to
too thin or too long an extension cable.
Check the pump unit with the
mains plug directly in the wall
socket. Do not use an extension cable. See
Power supply
(electric pump units)
on page
22.
The motor operates, but the
tool does not make a complete
stroke.
The remote control cable is
damaged.
Contact your local HYTORC
representative.
The valve block is defective. Contact your local HYTORC
representative.
Troubleshooting
36 37 - 001 -
Problem Possible cause Solution
The motor does not operate. There is no power supply. Check the power supply. See
Power supply (electric pump
units)
on page 22.
Check the fuses in the electrical box of the pump unit.
The remote control cable is
damaged.
Contact your local HYTORC
representative.
The motor is overheated. The voltage is too low. See
Power supply (electric
pump units)
on page 22. Contact your local HYTORC representative.
9.2.3 Pneumatic pump units
Problem
Possible cause Solution
The pump does not build pressure.
The air supply is too low. When the pump operates,
make sure that the air pressure
is at least 4 bar.
Use a hose with an inner diameter of at least 3/4".
Ice builds up at the exhaust. The ambient temperature is too
low.
Wait 5-10 minutes to let the ice
melt.
Use a de-icer.
The ambient air has a high humidity.
Use a demoisturiser.
The pressure in the system
does not increase.
The air shut-off valve fails due
to excessive moisture and/or
dirt in the air supply.
Clean the air shut-off valve and
the air lines.
The valve in the remote control
fails.
Replace the valve in the remote
control.
Troubleshooting
37 - 001 - 37
10 Technical data
:
/
+
5
+(;
10.1 Stealth 2
Length (L)
140.5 mm 5.53"
Height (H) 106.9 mm 4.21"
Width (W) 31.8 mm 1.25"
Hex link, min 19 mm 3/4"
Hex link, max 35 mm 1 3/8"
Radius (R), min 26.1 mm 1.03"
Radius (R), max 44.6 mm 1.76"
Minimum torque 377 Nm 278 ft.lbs.
Maximum torque 2,534 Nm 1,869 ft.lbs.
Weight 2.3 kg 5.1 lbs.
10.2 Stealth 4
Length (L)
167.1 mm 6.56"
Height (H) 138.0 mm 5.43"
Width (W) 42.2 mm 1.66"
Hex link, min 35 mm 1-3/8"
Hex link, max 44 mm 1-3/4"
Radius (R), min 33.6 mm 1.32"
Radius (R), max 58.9 mm 2.32"
Minimum torque 819 Nm 604 ft.lbs.
Maximum torque 5,450 Nm 4,020 ft.lbs.
Weight 4.9 kg 10.8 lbs.
Technical data
38 37 - 001 -
10.3 Stealth 8
Length (L) 203.2 mm 8.00"
Height (H) 162.6 mm 6.40 "
Width (W) 53.3 mm 2.10 "
Hex link, min 44 mm 1-3/4"
Hex link, max 64 mm 2-1/2"
Radius (R), min 44.88 mm 1.77"
Radius (R), max 73.4 mm 2.89"
Minimum torque 1,625 Nm 1,199 ft.lbs.
Maximum torque 10823 Nm 7,984 ft.lbs.
Weight 9.2 kg 20.3 lbs.
10.4 Stealth 14
Length (L)
237.4 mm 9.35 "
Height (H) 201.7 mm 7.94 "
Width (W) 63.5 mm 2.50 "
Hex link, min 50 mm 2"
Hex link, max 70 mm 2-3/4"
Radius (R), min 59.2 mm 2.33"
Radius (R), max 88.2 mm 3.47"
Minimum torque 2,854 Nm 2,105 ft.lbs.
Maximum torque 19,324 Nm 14,255 ft.lbs.
Weight 15.4 kg 34.0 lbs.
10.5 Stealth 22
Length (L)
274.3 mm 10.80"
Height (H) 233.2 mm 9.18"
Width (W) 73.9 mm 2.91"
Hex link, min 70 mm 2-3/4"
Hex link, max 95 mm 3-3/4"
Radius (R), min 66.6 mm 2.62"
Radius (R), max 98.4 mm 3.87"
Minimum torque 4,406 Nm 3,250 ft.lbs.
Maximum torque 29,654 Nm 21,875 ft.lbs.
Weight 28.5 kg 62.8 lbs.
10.6 Stealth 36
Length (L)
322.8 mm 12.71"
Height (H) 274.6 mm 10.78"
Width (W) 86.6 mm 3.41"
Technical data
37 - 001 - 39
Hex link, min 95 mm 3-3/4"
Hex link, max 127 mm 5-0"
Radius (R), min 77.9 mm 3.07"
Radius (R), max 138.6 mm 5.46"
Minimum torque 6,665 Nm 4,917 ft.lbs.
Maximum torque 47,069 Nm 34,722 ft.lbs.
Weight 39.2 kg 86.4 lbs.
10.7 Swivel rotation
6
6
Rotation axes
2 (S1 x S2)
Degrees of freedom S1 360°
Degrees of freedom S2 120°
10.8 Physical conditions
Ambient temperature
0 - 45 °C (0 - 113 °F)
Relative humidity 30% - 95%, non-condensing
Maximum altitude 1,000 m (3,200 ft) above sea level
Lighting normal ambient lighting
Note: The tool is not suitable for use in explosive environments. Your HYTORC dealer is able to modify your HYTORC equipment (except for electric tools) to comply
with the directives EPS 13 ATEX 2 561 X and EX II 2 G EX c IIB T4.
10.9 Maximum torque values (stacking nutheads and male hex
drives)
Maximum torque (Nm)
Size (mm) Normal Break
14 480 517
Technical data
40 37 - 001 -
Maximum torque (Nm)
Size (mm) Normal Break
17 932 1,020
19 1,612 1,768
22 2,500 2,775
24 2,950 3,600
27 4,000 4,800
32 7,480 8,296
36 9,928 10,880
41 16,320 17,952
46 20,400 22,440
50 30,600 33,592
55 43,520 47,736
Maximum torque (Nm)
Size (inch) Normal Break
1/2 476 517
5/8 932 1,020
3/4 1,612 1,768
7/8 2,557 2,808
1 3,822 4,216
1 1/8 5,440 5,984
1 1/4 7,480 8,296
1 3/8 9,928 10,880
1 1/2 12,920 14,144
1 5/8 16,320 17,952
1 3/4 20,400 22,440
1 7/8 25,160 27,608
2 30,600 33,592
2 1/4 43,520 47,736
Technical data
37 - 001 - 41
Note: If the area of the hex
drive is smaller than the ratchet link drive, HYTORC will disclaim any liability for broken
stacking nutheads and hex
drives. These male hex sockets are excluded from warranty claims:
• 1/2” x 17 mm (11/16") and
smaller
• 3/4” x 22 mm (7/8”) and
smaller
• 1” x 27 mm (1 1/8") and
smaller
• 1 1/2” x 46 mm (1 5/6”)
and smaller
• 2 1/2” x 70 mm (2 1/2”)
and smaller
Extra shear forces and bending forces caused by an imperfect reaction level and/or a
short reaction distance will
lower the specified values.
Technical data
42 37 - 001 -
11 Declaration of Conformity
Declaration of Conformity
(according to Annex II.1.A of the Machinery Directive)
We,
HYTORC BV
Platinawerf 8, 6641 TL Beuningen
The Netherlands
declare under our own responsibility:
We are the manufacturer of the Stealth hydraulic limited-clearance wrench with
optional accessories.
The Stealth hydraulic limited-clearance wrench with optional accessories is in
conformity with the provisions of the following directives:
- 2006/42/EC (Machine Directive)
- 98/23/EC (Pressure Equipment Directive)
The following harmonized standards have been applied:
- NEN-EN 349
- NEN-EN 1005-2
- NEN-EN 1005-3
- NEN-EN 1005-4
- NEN-EN 4413
- NEN-EN-ISO 12100
- NEN-EN-ISO 13857
Place: Beuningen (Netherlands)
Date: January 05, 2016
Name: HYTORC
CEO: M. van Kortenhof
Declaration of Conformity
37 - 001 - 43
12 Parts list
Cylinder parts list
Item QTY Description
Stealth-2 Stealth-4 Stealth-8 Stealth-14 Stealth-22 Stealth-36
1 1 Housing assembly ST-02-01 ST-04-01 ST-08-01 ST-14-01 ST-22-01 ST-36-01
2 2 End cap with seal
(top/bottom)
ST-02-02
T/B
ST-04-02
T/B
ST-08-02
T/B
ST-14-02
T/B
ST-22-02
T/B
ST-36-02
T/B
3 1 Bottom piston rod ST-02-03BST-04-03BST-08-03BST-14-03BST-22-03BST-36-03
B
4 1 Top piston rod ST-02-3T ST-04-3T ST-08-03TST-14-03TST-22-03TST-36-03
T
5 1 Rod end hook kit
(incl. item 10)
ST-02-04
B-00
ST-04-04
B-00
ST-08-04
B-00
ST-14-04
B-00
ST-22-04
B-00
ST-36-04
B-00
6 1 Top rod end ST-02-04TST-04-04TST-08-04TST-14-04TST-22-04TST-36-04
T
7 1 Anti-rotation kit (with
screws)
ST-02-05 ST-04-05 ST-08-05 ST-14-05 ST-22-05 ST-36-05
8 1 Bottom piston rod
assembly
ST-02-06BST-04-06BST-08-06BST-14-06BST-22-06BST-36-06
B
9 1 Top piston rod as-
sembly
ST-02-06TST-04-06TST-08-06TST-14-06TST-22-06TST-36-06
T
10 1 Hook pin kit (not
shown)
ST-02-09 ST-04-09 ST-08-09 ST-14-09 ST-22-09 ST-36-09
Parts list
44 37 - 001 -
Item Qty Description
Stealth-2 Stealth-4 Stealth-8 Stealth-14 Stealth-22 Stealth-36
11 1 Release pin kit ST-02-10 ST-04-10 ST-08-10 ST-14-10 ST-22-10 ST-36-10
12 1 Release pin ST-02-10
-01
ST-04-10
-01
ST-08-10
-01
ST-14-10
-01
ST-22-10
-01
ST-36-10
-01
13 1 Release dowl ST-02-10
-02
ST-04-10
-02
ST-08-10
-02
ST-14-10
-02
ST-22-10
-02
ST-36-10
-02
14 1 Release spring ST-02-10
-03
ST-04-10
-03
ST-08-10
-03
ST-14-10
-03
ST-22-10
-03
ST-36-10
-03
15 4 Post screws ST-02-13 ST-04-13 ST-08-13 ST-14-13 ST-22-13 ST-36-13
16 2 Rod bushing N/A ST-04-15 ST-08-15 ST-08-15 ST-08-15 ST-36-15
17 1 Relief valve kit (with
seal)
N/A ST-04-16 ST-08-16 ST-14-16 ST-22-16 ST-36-16
18 1 Check valve kit (with
seal)
N/A ST-04-17 ST-04-17 ST-04-17 ST-04-17 ST-36-17
19 1 Link pin retainer ST-02-19 ST-04-19 ST-08-19 N/A N/A N/A
19B 1 Ball plunger–link pin
retaining
N/A N/A N/A ST-14-19 ST-22-19 ST-36-19
20 1 Uniswivel assembly
with post
ST-002 ST-004 ST-008 ST-014 ST-022 ST-036
21 1 Uniswivel block as-
sembly
ST-002-SWST-004-SWST-004-SWST-004-SWST-004-SWST-004-
SW
22 1 Swivel post ST-002-HPST-004-
HPA
ST-008HPA
ST-014-HPST-022-HPST-036-
HP
23 1 Safety cap ST-002-SCST-004-SCST-004-SCST-004-SCST-004-SCST-004-
SC
24 1 Housing seal kit ST-02-62 ST-04-62 ST-08-62 ST-14-62 ST-22-62 ST-36-62
25 1 Housing mainte-
nance kit (not
shown)
MK-ST2 MK-ST4 MK-ST8 MK-ST14 MK-ST22 MK-ST36
26 1 End cap remover
(not shown)
ST2-ECR ST4-ECR ST8-ECR ST14-
ECR
ST22ECR
ST36ECR
27 1 Link pin (optional,
not shown)
XLCT-02
-10
XLCT-04
-10
XLCT-08
-10
XLCT-14
-10
XLCT-22
-10
XLCT-36
-10
Parts list
37 - 001 - 45
Link parts list
Note: Replace the # in the part numbers with the link blank size.
Item Qty Description
Stealth-2 Stealth-4 Stealth-8 Stealth-14 Stealth-22 Stealth-36
1 1 Drive pawl pin ST-02-20 ST-04-20 ST-08-20 ST-14-20 ST-22-20 ST-36-20
2 1 Drive pawl assembly
kit
ST-02-21-#ST-04-21-#ST-08-21-#ST-14-21-#ST-22-21-#ST-36-21
-#
3 1 Drive pawl kit ST-02-22-#ST-04-22-#ST-08-22-#ST-14-22-#ST-22-22-#ST-36-22
-#
4 1 Shroud screw, bot-
tom
ST-02-23 ST-04-23 ST-08-23 ST-14-23 ST-22-23 ST-36-23
5 1 Shroud screw, top ST-02-24 ST-04-24 ST-08-24 ST-14-24 ST-22-24 ST-36-24
6 1 Shroud screw, mid-
dle spacer
N/A N/A N/A ST-14-25 ST-22-25 ST-36-25
7 1 Drive pawl spring
screw
ST-02-26 ST-04-26 ST-08-26 ST-14-26 ST-22-26 ST-36-26
8 1 Drive pawl spring ST-02-27 ST-04-27 ST-08-27 ST-14-27 ST-22-27 ST-36-27
9 1 Ratchet, hex size ST-02-28-#ST-04-28-#ST-08-28-#ST-14-28-#ST-22-28-#ST-36-28
-#
Parts list
46 37 - 001 -
ItemQty Description
Stealth-2 Stealth-4 Stealth-8 Stealth-14 Stealth-22 Stealth-36
10 2 Side plate sleeve ST-02-29-#ST-04-29-#ST-08-29-#ST-14-29-#ST-22-29-#ST-36-29
-#
11 1 Slide, upper ST-02-30 ST-04-30 ST-08-30 ST-14-30 ST-22-30 ST-36-30
12 1 Slide, bottom ST-02-31 ST-04-31 ST-08-31 ST-14-31 ST-22-31 ST-36-31
13 4 Slide hook pin ST-02-32 ST-04-32 ST-08-32 ST-14-32 ST-22-32 ST-36-32
14 1 Roll pin, drive pawl
spring
ST-02-33 ST-04-33 ST-08-33 ST-14-33 ST-22-33 ST-36-33
15 1 Dowl pin, rear
spacer
ST-02-34 ST-04-34 ST-08-34 ST-14-34 ST-22-34 ST-36-34
16 2 Drive plate (one left,
one right)
ST-02-35-#ST-04-35-#ST-08-35-#ST-14-35-#ST-22-35-#ST-36-35
-#
17 1 Reaction pawl ST-02-36-#ST-04-36-#ST-08-36-#ST-14-36-#ST-22-36-#ST-36-36
-#
18 1 Spring, reaction
spacer
ST-02-37 ST-04-37 ST-08-37 ST-14-37 ST-22-37 ST-36-37
19 1 Pin, reaction pawl ST-02-38 ST-04-38 ST-08-38 ST-14-38 ST-22-38 ST-36-38
20 2 Release button, re-
action pawl
ST-02-39 ST-04-39 ST-08-39 ST-14-39 ST-22-39 ST-36-39
21 1 Shroud ST-02-43-#ST-04-43-#ST-08-43-#ST-14-43-#ST-22-43-#ST-36-43
-#
22 1 Lower front spacer ST-02-45
F-#
ST-04-45
F-#
ST-08-45
F-#
ST-14-45
F-#
ST-22-45
F-#
ST-36-45
F-#
23 1 Middle spacer ST-02-45MST-04-45MST-08-45MST-14-45MST-22-45MST-36-45
M
24 1 Top spacer ST-02-45TST-04-45TST-08-45TST-14-45TST-22-45TST-36-45
T
25 1 Lower rear spacer ST-02-45RST-04-45RST-08-45RST-14-45RST-22-45RST-36-45
R
26 1 Reaction plate kit ST-02-45
P-#
ST-04-45
P-#
ST-08-45
P-#
N/A N/A N/A
27 2 Dowel pin, spacers ST-02-48 ST-04-48 ST-08-48 ST-14-48 ST-22-48 ST-36-48
28 2 Top side plate screw ST-02-49 ST-04-49 ST-08-49 ST-14-49 ST-22-49 ST-36-49
29 2 Side plate screw
rear
ST-02-50 ST-04-50 ST-08-50 ST-14-50 ST-22-50 ST-36-50
30 2 Side plate screw,
small
ST-02-51 ST-04-51 ST-08-51 ST-14-51 ST-22-51 ST-36-51
31 2 Link side plate (one
left, one right)
ST-02-52-#ST-04-52-#ST-08-52-#ST-14-52-#ST-22-52-#ST-36-52
-#
32 2 Bottom side plate
screw
ST-02-53 ST-04-53 ST-08-53 ST-14-53 ST-22-53 ST-36-53
33 1 Link maintenance kit
(not shown)
MK-ST2-LKMK-ST4-LKMK-ST8-LKMK-
ST14-LK
MKST22-LK
MKST36-LK
Parts list
37 - 001 - 47
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