Owner manual

DuraMAX Gun Manual
Rev. 12/2012 Page | 28
General Problems
1. Material leaking from around the mix chamber
· Replace Mix Housing Seal (O-S-018)
· Replace Catalyst Injector Seal (5104-13-1)
2. Air leaking from around poppet needle
· Tighten Retainer (54420-1) (caution do not over tighten, this will make the poppet
needle move slowly or not move at all.)
· Replace O-Ring (O-S-104A)
3. Air leaking from around poppet valve body
· Tighten Poppet Valve Body (54440-1) into Gun Handle (54350-3)
4. Air leaking from fitting on handle or to chopper
· Retainer (54420-1) may be too tight and holding valve open
· Check Poppet Assembly (MG-2031) for wear or damage
· Check Poppet Valve Body (54440-1) seat area for ware or damage
5. Material leaking from around nozzle or nozzle cap
· Tighten Nozzle Cap (8704-4-1) (caution do not over tighten or you may damage
the Turbulent Mixer (5107-27-3) Hand tighten only
· Check Turbulent Mixer (5107-27-3) for damage or ware
· Check front of Mix Housing (MAX-2017-T) for damage
6. Trigger Action stiff or hard
· Check Trigger (54360-1) for damage
· Check Trigger Stud (54630-1) and Screw (00145) for damage, remove and
lubricate as needed.
· Check Needle Guides (53900-1) and Springs (04039-1) for damage, remove and
lubricate as needed
· Check Spring Retainer (54000-1) for ware or damage
· Check Needles and Needle Housings for hardened or sticky material