Magnum Venus Plastech Gel Coat Gun EMG-1500 - Manual (Page 23)

Resin Problems
1. Resin leaking around Needle (inside Needle Housing CPR-2004-01)
 Check that the needle is not bent
 Lightly tighten Packing Nut (MG-2022)
 Replace Packing Seal (MAX-2008)
2. Resin leaking around Needle Housing
· Replace O-Ring (O-S-012) on Needle Housing (MAX-2013)
3. Resin leaking from the front of the gun
· Check Piston Needle (MAX-2010-01) for wear or damage, replace as needed
· Check Carbide Seat (MAX-2011-01) for wear or damage, replace as needed
· Replace O-Ring (O-T-010) under the Carbide Seat (MAX-2011-01)
· Damaged or Weak Return Spring (04039-1), replace as needed
· Check for excessive pressure in resin system
4. No Resin from the gun
· Make sure trigger is pulling resin needle back / open
· Check gun block for blockages
· Check resin pump for proper operation (See resin pump manual)
5. Resin leaking between fitting and gun block
· Replace O-Ring (O-S-012) on fitting
General Problems
1. Air leaking from around poppet needle on EMG-1500-X
· 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 on EMG-1500-X
· Tighten Poppet Valve Body (54440-1) into Gun Handle (54350-3)
4. Air leaking out of the fitting on handle
· Retainer (54420-1) may be too tight and holding valve open
· Check Needle (54501-1) for wear or damage
· Check Poppet Valve Body (54440-1) seat area for wear or damage
5. Material leaking from around nozzle or nozzle retaining ring
· Tighten Retaining Ring (VPA-1003) (caution do not over tighten)
· Replace O-rings (O-S-006) on the studs
· Replace O-rings (O-E-012) on the Nozzle
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 wear or damage
· Check Needles and Needle Housings for hardened or sticky material