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Hytorc Stealth 2 - User Manual

Hytorc Stealth 2
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Stealth hydraulic limited-clearance wrench
Technical manual

Table of Contents

Questions and Answers

  • J
    Jessica WardAug 18, 2025
    Why does the pressure in my Hytorc Stealth 2 system not increase?
    • Y
      ywilliamsAug 18, 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.
  • S
    Samuel WilkersonAug 21, 2025
    What to do if my Hytorc Power Tool motor does not operate?
    • A
      Angela RochaAug 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.
  • V
    vegasusanAug 23, 2025
    What to do if my Hytorc Stealth 2 leaks externally?
    • D
      Drew PerryAug 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.
  • S
    Sean PalmerAug 26, 2025
    Why is my Hytorc Power Tool moving slower than usual?
    • E
      Erin WoodsAug 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.
  • S
    Shaun IrwinAug 27, 2025
    What to do if my Hytorc Stealth 2 piston does not retract?
    • Y
      ythompsonAug 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.
  • T
    Timothy MartinezAug 30, 2025
    Why does my Hytorc Stealth 2 Power Tool operate backwards?
    • A
      Adrian SmithAug 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.
  • H
    Hannah LynchSep 1, 2025
    Why does my Hytorc Stealth 2 motor make strange noises and not provide pressure (400V pump units only)?
    • B
      breanna93Sep 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.
  • T
    Thomas CooperSep 3, 2025
    What to do if my Hytorc Stealth 2 Power Tool motor does not accelerate and stops after starting?
    • E
      elizabeth80Sep 3, 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.
  • J
    Janet AdamsSep 6, 2025
    Why doesn't the pump of my Hytorc Stealth 2 build pressure?
    • N
      Nicole CruzSep 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.
  • E
    Elizabeth HebertSep 8, 2025
    What to do if my Hytorc Stealth 2 Power Tool ratchet returns with a stroke?
    • D
      David MillsSep 8, 2025
      If the ratchet returns with a stroke, the square drive may be defective. Replace the defective part.

Summary

Safety

General Safety Instructions

Outlines fundamental safety rules for personnel, work areas, and equipment.

Additional Safety Instructions

Provides specific safety guidelines for pump units, hoses, reaction arms, and sockets.

Description

Electric Pump Unit Details

Describes the electric pump unit, its components, and LED indicators.

Pneumatic Pump Unit Details

Details the pneumatic pump unit, its components, and LED indicators.

Hydraulic Wrench and Accessories

Explains the wrench mechanism and its associated accessories.

Installation

Hydraulic Hose Connections

Electric Pump Unit Power Supply

Pneumatic Unit Setup and Protection

Operation

Pre-Operation Checks

Remote Control and Pawl Disengagement

Torque Setting and Flange Connections

Guide to setting torque and performing bolted flange connections.

Maintenance

Preventive Maintenance Procedures

Professional Maintenance by HYTORC

Troubleshooting

Tool Malfunction Solutions

Solutions for common problems encountered with the hydraulic wrench.

Pump Unit Malfunction Solutions

Solutions for common problems with electric and pneumatic pump units.

Technical Data

Stealth Wrench Specifications (Models 2-36)

Swivel Rotation and Operating Conditions

Maximum Torque Values by Size

Tables listing maximum torque for various nuthead and hex drive sizes.

Parts List

Cylinder Assembly Parts

Internal Link Mechanism Parts

Hytorc Stealth 2 Specifications

General IconGeneral
BrandHytorc
ModelStealth 2
CategoryPower Tool
LanguageEnglish

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