Pro Gun

  • Problem Leaking Catalyst or Resin from weep hole on top of Block.
    • Possible Causes: Packing Nut needs tightened.
      Secondary Seal worn or damaged.
      Solution: Tighten both Packing Nuts 5104-8-1. Rebuild Block. Replace
      Secondary Seals 5104-3-1. Inspect Center Spacer 5104-10-1
      and Relief Spacers 5104-4-1 for damage.
  • Problem Leaking Material or Catalyst into Actuator.
    • Possible Causes: Weep holes are plugged.
      Solution: See Above.
  • Problem Resin leaking out front of Block. Resin leaking out around Packing Nut.
    • Possible Causes: Resin Seal/Valve Rod are worn or damaged.
      Packing Nut is loose.
      Solution: Rebuild or replace Resin Seal 5104-5-1. Inspect Rod for
      damage. Tighten Packing Nuts.
  • Problem Catalyst is leaking out from the front of Block. Catalyst leaking from around Packing Nut.
    • Possible Causes: Catalyst Seal is damaged.
      Valve Rod is worn or damaged.
      Packing Nut is loose.
      Solution: Rebuild or replace Catalyst Seal 5104-6-1. See Above.
  • Problem Gun is not actuating properly.
    • Possible Causes: Valve Rod upside-down.
      O-ring in Actuator is worn or damaged.
      Actuating Stem not in brass bushing of Actuator Piston.
      Solution: Actuating Stem should go through Valve Rod to meet threads.
      Replace O-ring O-V-020.
      Inspect Actuator Cylinder for scarring or damage.
      Remove block assembly and put stem in hole of brass bushing in
      Actuator.
  • Problem Leaking Catalyst and/or Resin around Mix Housing.
    • Possible Causes: Cap Screws are not tight.
      Mix Housing Seal damaged or worn.
      Solution: Tighten Cap Screw 7102-1-6.
      Replace Seal 5104-12-1.
  • Problem Resin and Catalyst not mixing properly.
    • Possible Causes: Mixer and/or Mix Housing worn or damaged.
      Needs more mixer.
      Material is cold.
      Solution: Replace worn parts.
      Add Mixer Extensions.
      Heat up material, preferably between 70-80 degrees, some
      material may require higher temps.
  • Problem No Catalyst.
    • Possible Causes: Turbulent/Critical Mixer worn or smashed.
      Pressed against injector.
      Solution: Replace Mixer.
      Hand tighten Spray Tip Retaining Ring.
    • Possible Causes: Injector is frozen shut or plugged.
      Solution: Disassemble and clean Injector.
    • Possible Causes: Catalyst Seal installed incorrectly.
      Solution: Remove and reinstall lining hole correctly with Block using 6705
      3-1 Alignment Tool.
    • Possible Causes: Valve Rod and/or Block ports plugged.
      Solution: Disassemble and remove blockage.
    • Possible Causes: Catalyst Line plugged.
      Solution: Replace or clean if possible.
    • Possible Causes: Check Valve plugged (if applicable).
      Solution: Clean or replace Check Valve 5104-04-01.
  • Problem Air Leaking from Trigger Retainer.
    • Possible Causes: O-rings worn or damaged.
      Solution: Replace O-D-010 O-ring if leaking around Valve Stem.
      Replace O-U-109 if leaking around Retainer.
  • Problem No Resin or Gelcoat.
    • Possible Causes: Tip is plugged.
      Solution: Remove and clean using plastic picks to prevent damaging tips.
    • Possible Causes: Mix Housing plugged or kicked off.
      Solution: Remove Mix Housing and inspect Mixer, Distribution Ring, and
      front outlet of Block for blockage.
      Clean and/or replace.
    • Possible Causes: Resin Seal installed incorrectly.
      Solution: Remove and reinstall lining holes correctly with Block using
      6705-4-1 Alignment Tool.
    • Possible Causes: Valve Rod and/or Block ports plugged.
      Solution: Disassemble and remove blockage.
  • Problem Air leaking between Handle and Actuator.
    • Possible Causes: O-rings O-V-013 are damaged.
      Solution: Replace.
  • Problem Trigger is sticking.
    • Possible Causes: Trigger Lock is on backwards.
      Solution: Cut-out on Trigger Lock should face away from hand. Right
      hander to the left. Left hander to the right.
    • Possible Causes: Trigger Valve Assembly Stem and/or O-rings are dry or sledged
      up.
      Solution: Remove Keeper Screw F-FS-540-08 and slide Valve Assembly
      and Retainer out of handle.
      Clean and lubricate with 6706-3-1 Trigger Retainer, Handle
      Cylinder, Valve Assembly, and all O-rings.
      Inspect O-rings for damage.
    • Possible Causes: Insufficient air pressure.
      Solution: Air pressure should be minimum 80 PSI.
      Minimum 3/16" ID hose for Gel or Wetout.
      Minimum 3/8" ID minimum for Chop Guns.
    • Possible Causes: Spring is compressed or missing.
      Solution: Replace 04017 Spring.
  • Problem No Material or Catalyst.
    • Possible Causes: Valve Rod not actuating.
      Solution: Refer to actuating problem.
    • Possible Causes: Valve Stem O-rings are worn or damaged.
      Solution: Replace O-U-011. Inspect Cylinder for scarring.
    • Possible Causes: O-rings may have rolled on install.
      Solution: Using a pick, smooth out and unroll O-ring.
    • Possible Causes: Air bypassing from Air Actuator.
      Solution: Replace O-V-020 O-ring on Actuator Piston.
      Inspect cylinder from scarring.
  • Problem Trigger not locking (if applicable).
    • Possible Causes: Edge of Trigger Lock 58629-1 worn.
      Solution: Replace.
    • Possible Causes: Edge of Trigger Guide Bushing 58628-1 worn.
      Solution: Replace.