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Hytorc Stealth 14 - User Manual

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Stealth hydraulic limited-clearance wrench
Technical manual

Table of Contents

Questions and Answers

  • C
    cheryl96Aug 19, 2025
    Why does the pressure in my Hytorc Stealth 14 system not increase?
    • S
      Stephanie MunozAug 19, 2025
      The pressure in the system might not increase due to several reasons. There could be oil leakage because of a defective piston, piston seal, or O-ring, in which case you should replace the defective part. Alternatively, there might be leakage in the pressure relief valve or the two oil line connections; try tightening the leaking connection using a 9/16” open-end wrench. A worn motor coupling, indicated by the pump making sounds like pebbles in a tin can, can also cause this issue, requiring replacement of the motor coupling. Another cause might be the air shut-off valve failing due to excessive moisture or dirt in the air supply, which can be resolved by cleaning the air shut-off valve and the air lines. Lastly, the valve in the remote control might have failed and needs replacement.
  • M
    Melanie FitzpatrickAug 21, 2025
    What to do if my Hytorc Stealth 14 Power Tool motor does not operate?
    • R
      rvaughnAug 21, 2025
      If the motor does not operate, the most likely reason is that there is no power supply. Check the power supply to resolve this issue.
  • S
    Sherry LarsenAug 23, 2025
    What to do if my Hytorc Stealth 14 leaks externally?
    • D
      destinymartinezAug 23, 2025
      External leaks can occur if blind plugs or end caps are worn, damaged, or not secured; in this case, replace the blind plugs or end caps. Also, a defective O-ring or gland seal in the piston can cause leaks, requiring replacement of the defective part.
  • B
    Brian CarrollAug 26, 2025
    Why is my Hytorc Stealth 14 moving slower than usual?
    • L
      lwardAug 26, 2025
      If your tool is moving slower than usual, it could be due to a leakage in the system. To check, adjust the pump pressure to 700 bar (10,000 psi), 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.
  • K
    Kimberly BakerAug 28, 2025
    What to do if my Hytorc Stealth 14 piston does not retract?
    • N
      Nicholas SmithAug 28, 2025
      If the piston does not retract, it could be due to hose couplings on the tool and the pump unit not being secured properly. Ensure you securely tighten the female coupling to the male coupling. Another reason could be damage to the linkage between the piston and the drive arms, which would require replacing the defective part.
  • J
    Jonathan KleinAug 30, 2025
    Why does my Hytorc Stealth 14 Power Tool operate backwards?
    • G
      Gabrielle VillanuevaAug 30, 2025
      If the tool operates backwards, it may be because an even number of hoses has been connected. Connect an odd number of hoses. Another possible cause is interchanged male and female couplings. Use a HYTORC twin hose to correct this.
  • M
    Michael WashingtonSep 1, 2025
    Why does my Hytorc Stealth 14 Power Tool motor make strange noises and not provide pressure (400V pump units only)?
    • A
      Amber AndersonSep 1, 2025
      If the motor makes strange noises and does not provide pressure, it may be due to an incorrect direction of rotation. Change the direction of rotation.
  • G
    Gregory VegaSep 3, 2025
    What to do if my Hytorc Stealth 14 Power Tool motor does not accelerate and stops after starting?
    • B
      Blake BrownSep 4, 2025
      If the motor does not accelerate and stops after starting, there may be a drop in voltage due to an extension cable that is too thin or too long. Check the pump unit with the mains plug directly in the wall socket, without using an extension cable.
  • C
    Caitlin ColeSep 6, 2025
    Why doesn't the pump of my Hytorc Stealth 14 Power Tool build pressure?
    • D
      Debra DennisSep 6, 2025
      If the pump does not build pressure, the air supply may be too low. When the pump operates, ensure that the air pressure is at least 4 bar.
  • S
    Shane GonzalezSep 8, 2025
    What to do if my Hytorc Stealth 14 ratchet returns with a stroke?
    • B
      Brandon ThompsonSep 8, 2025
      If the ratchet returns with a stroke, the square drive may be defective. Replace the defective part.

Summary

Safety

General safety instructions

Covers fundamental safety guidelines for personnel, work area, and equipment.

Personnel Safety

Equipment Safety

Additional safety instructions

Provides further safety precautions for specific equipment components.

Pump Unit Safety

Safety guidelines for electric and pneumatic pump units.

Hydraulic Hose Safety

Safety instructions for handling and connecting hydraulic hoses.

Reaction Arm Safety

Safety guidelines specific to the use and handling of reaction arms.

Socket Safety

Safety precautions for selecting and using appropriate sockets.

Description

Electric pump unit

Pneumatic pump unit

Hydraulic limited-clearance wrench

Focuses on the main tool, its parts, and functions.

Accessories

Installation

Hydraulic hoses

Covers the specifications and connection of hydraulic hoses.

Hydraulic hose connections

Connecting the hydraulic hoses

Provides step-by-step instructions for connecting hydraulic hoses securely.

Disconnecting the hydraulic hoses

Outlines the procedure for safely disconnecting hydraulic hoses.

Power supply (electric pump units)

Details the requirements and procedures for connecting power to electric pump units.

Connecting the power supply (230 V)

Connecting the power supply (400 V)

Air supply (pneumatic pump units)

Describes the setup and requirements for air supply to pneumatic pump units.

Explosion protection (pneumatic pump units)

Covers measures to make the system explosion-proof for hazardous areas.

Operation

Inspections before use

Lists essential checks to perform before operating the equipment.

Remote control

Electric pump unit operation

Pneumatic pump unit operation

Disengagement button for reaction pawl

Explains how to use the button to release tension and remove the tool.

Torque

Covers torque settings and related information for the tool.

Pressure;torque chart

Provides a chart relating pressure settings to torque output.

Setting the torque

Details the procedure for setting the desired torque on the pump unit.

Tightening flange connection

Guides the user through the process of tightening flange connections.

Loosening flange connection

Step-by-step instructions for loosening bolted flange connections.

Maintenance

Preventive maintenance

Lists routine maintenance tasks to ensure proper functioning and longevity.

Maintenance by HYTORC

Troubleshooting

Tools

Pump units

General Pump Unit Issues

Electric pump units

Pneumatic pump units

Technical data

Stealth 2 Specifications

Stealth 4 Specifications

Stealth 8 Specifications

Stealth 14 Specifications

Stealth 22 Specifications

Stealth 36 Specifications

Maximum torque values

Hytorc Stealth 14 Specifications

General IconGeneral
BrandHytorc
ModelStealth 14
CategoryPower Tool
LanguageEnglish

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