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Jet JHPB-20 - User Manual

Jet JHPB-20
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Operating Instructions and Parts Manual
Hydraulic Pipe Bender
Models: JHPB-20 (2-inch), JHPB-30 (3-inch)
WALTER MEIER (Manufacturing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-331900
Ph.: 800-274-6848 Revision A1 04/2011
www.waltermeier.com Copyright © 2011 Walter Meier (Manufacturing), Inc.

Table of Contents

Questions and Answers

  • K
    Karl WilliamsAug 10, 2025
    Why is my Jet Construction Equipment hydraulic unit not lifting?
    • J
      justinrussellAug 10, 2025
      If the hydraulic unit isn't lifting, and the Pipe Bender isn't working, it could be due to several reasons. First, ensure there is no oil leakage and that the oil level is full. Second, there might be air in the pump; try pumping the handle repeatedly until the ram piston stops lifting, then tilt the pump housing to about 45 degrees and loosen the release valve to allow trapped air to escape. A worn UN-Ring in the ram cylinder could also be the cause, in which case you should replace the UN-Ring (Parts List Item 39). Finally, check if the steel ball (Parts List Item 43) touching the release valve (Parts List Item 50) fell off; if so, tighten the release valve clockwise.
  • K
    Karen HintonAug 15, 2025
    What to do if the Jet Construction Equipment piston does not advance or retract smoothly?
    • A
      Austin ParkerAug 15, 2025
      If the piston isn't moving smoothly, there are several possible causes. There might be air inside the oil tank; try pumping the handle repeatedly until the ram piston stops lifting, tilt the pump housing to about 45 degrees, and loosen the release valve to let any trapped air escape. Low oil level in the oil tank could also be the reason, so fill the oil. Ensure you are using the correct oil type (ISO VG of 22 or ISO VG of 32 hydraulic oil). Lastly, debris or dirt in the oil flow can cause this issue; flush the oil from inside the pump unit with gasoline.
  • J
    Jessica ClarkeAug 20, 2025
    How to fix leakage from the Ram piston of my Jet Construction Equipment?
    • R
      rodneyrossAug 21, 2025
      If there is leakage from the Ram piston or Plunger Piston, it is likely due to worn seals. You should change the seal kits in the seal kits bag.
  • E
    Edward MercadoAug 25, 2025
    What to do if Jet Power Tool's hydraulic unit does not lift?
    • D
      Dale CampbellAug 26, 2025
      If the hydraulic unit of your Jet Power Tool isn't lifting, several factors could be at play. First, ensure there's no oil leakage and that the oil level is full. If the oil level is sufficient, air might be trapped in the pump. Try pumping the handle repeatedly until the ram piston stops lifting. Also, tilt the pump housing to about 45 degrees and loosen the release valve to allow any trapped air to escape from the oil tank. Another potential issue is a worn UN-Ring in the ram cylinder, which would require replacing the UN-Ring (Parts List Item 39). Lastly, check if the steel bolt (Parts List Item 43) touching the release valve (Parts List Item 50) fell off. If it did, tighten the release valve clockwise.
  • D
    Dennis CastanedaAug 30, 2025
    Why is the piston on my Jet Power Tool not advancing or retracting smoothly?
    • R
      Robert NguyenAug 31, 2025
      If the piston on your Jet Power Tool is not advancing or retracting smoothly, there are several possible causes. One reason could be air inside the oil tank. Try pumping the handle repeatedly until the ram piston stops lifting, then tilt the pump housing to about 45 degrees and loosen the release valve to let any trapped air escape. Another cause might be low oil in the oil tank, so make sure to fill it. Also, using the incorrect oil type can cause this issue; change to ISO VG of 22 or ISO VG of 32 hydraulic oil. Finally, debris or dirt in the oil flow could be the problem; in this case, flush the oil from inside the pump unit with gasoline.
  • D
    David HunterSep 4, 2025
    What to do if there is leakage from the Ram piston or Plunger Piston on my Jet Power Tool?
    • T
      terrellnicoleSep 4, 2025
      If you notice leakage from the Ram piston or Plunger Piston on your Jet Power Tool, the likely cause is worn seals. To resolve this, change the seal kits in the seal kits bag.

Jet JHPB-20 Specifications

General IconGeneral
BrandJet
ModelJHPB-20
CategoryPower Tool
LanguageEnglish

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