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Roughneck 28481 - User Manual

Roughneck 28481
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DIGITAL OIL CONTROL VALVE
OWNER’S MANUAL
WARNING: Read carefully and understand all INSTRUCTIONS before operating.
Failure to follow the safety rules and other basic safety precautions may result in
serious personal injury.
Item # 28481

Questions and Answers

  • S
    Sarah MurphyAug 1, 2025
    How to fix slow or no fluid flow in Roughneck 28481?
    • A
      Ashley McgeeAug 1, 2025
      If the Roughneck Control Unit experiences slow or no fluid flow, it could be due to several reasons. First, the filter might be clogged; relieve the pressure, then loosen the swivel fitting to clean or replace the filter. Alternatively, the pump pressure could be low, the shut-off valve may not be fully open, or foreign material might be jammed in the metering element. If the problem persists after checking these, contact your distributor for assistance.
  • S
    Sandra HillAug 5, 2025
    Why is oil leaking from the swivel on my Roughneck 28481 Control Unit?
    • K
      Kimberly GrahamAug 5, 2025
      If oil leaks from the swivel of your Roughneck Control Unit, the swivel might be loose. Try torquing the swivel to resolve this. Also, the O-ring could be worn or damaged. In this case, replace the O-ring. If the issue continues after these steps, contact your distributor.
  • M
    Melinda AyalaAug 9, 2025
    What to do if Roughneck 28481 Control Unit has no display?
    • A
      Andrew BrownAug 9, 2025
      If your Roughneck Control Unit has no display, it could be due to a dead battery. To fix this: 1. Take the meter off the dispense system. 2. Take off the protector. 3. Remove the labels stuck on the bottom of the meter. 4. Loosen the five socket head cap screws on the bottom of the meter. 5. Take off the seat. 6. Check the battery, and replace it if it's out of power. 7. After replacing the battery, assemble the meter and attach it back to the dispense system. It may also be caused by a weakening battery.
  • J
    jennifer82Aug 13, 2025
    Why is the valve leaking on my Roughneck 28481 Control Unit?
    • M
      matthew36Aug 13, 2025
      If the valve on your Roughneck Control Unit leaks, it may be because the O-rings or valve seat are worn or damaged. Replace the O-rings and/or the valve seat. If the problem persists, contact your distributor.
  • D
    Donald ChristianAug 18, 2025
    What to do if oil drips from the nozzle of my Roughneck 28481?
    • C
      Cathy KellerAug 18, 2025
      If oil drips from the nozzle of your Roughneck Control Unit, the nozzle might be damaged or obstructed. Inspect the nozzle for any damage or obstructions and replace it if necessary. If the issue continues, contact your distributor.
  • P
    pgarciaAug 22, 2025
    How to fix leakage from meter in Roughneck 28481 Control Unit?
    • M
      Mark MartinezAug 22, 2025
      If there's leakage from the meter of your Roughneck Control Unit, a damaged O-ring is likely the cause. Here's how to address it: 1. Take the meter off the dispense system. 2. Take off the rubber protector (part# 3-4) and front label (part# 3-6). 3. Remove the four socket head cap screws (part# 3-8) on the cover of the meter. 4. Remove the eight hex bolts (part# 3-18) on the bottom of the meter. 5. Take off the seat (part# 3-10). 6. Check the o-ring (part# 3-1), replace it if it is damaged. 7. After replacing the o-ring, assemble the meter and attach it back to the dispense system.
  • D
    Dustin KimAug 27, 2025
    How to correct a wrong reading on Roughneck Control Unit?
    • A
      arthurkingAug 27, 2025
      If your Roughneck Control Unit displays a wrong reading, it is caused by a wrong correction factor. Reset the correction factor to resolve this issue.

Summary

Technical Specifications

General Safety Regulations

Specific Operation Warnings

Equipment Misuse Hazard

Equipment misuse can cause rupture or malfunction resulting in serious injury.

Skin Injection Hazard

Fluid from leaks or ruptured components can splash, causing serious injury.

Installation

Pre-Installation Process

Steps to prepare for installation, including pressure release and grounding.

Installation Process

Procedure for installing or replacing the oil control valve and purging air.

Operation Instructions

Pressure Relief Procedure

Procedure to manually relieve system pressure before servicing or installation.

LCD Display

Explanation of the readings and symbols shown on the digital LCD panel.

Operational Functions

Details on setting units, resetting totals, and displaying correction factors.

Calibration Procedure

Steps to enter or modify the correction factor for accurate measurements.

Operation

Instructions on how to use the trigger and trigger lock for dispensing fluid.

Battery Replacement

Guide on how to replace the device's battery when the power is low.

Trouble Shooting

Maintenance

Diagrams and Parts List

Warranty

Roughneck 28481 Specifications

General IconGeneral
BrandRoughneck
Model28481
CategoryControl Unit
LanguageEnglish