Magnum Venus Plastech Gel Coat Gun EMG-1500 - Manual (Page 18)

Gun Head Assembly
1. Install a new O-ring (O-S-012) onto Check Valve Assembly and thread it into the
catalyst fitting position.
2.
Place a new O-Ring (O-S-012) on Resin Fitting (55500-1) and install into the gun
block.
3. Install new O-Ring (O-S-012) into Catalyst Needle Seat area of the Gun Head
(EMG-1001-01).
4.
Install the new Catalyst Needle Seat (CPR-2012-02) onto the end of the Catalyst
Needle Housing (CPR-2003-02).
5. Install new O-Ring (O-S-012) on Catalyst Needle Housing (CPR-2003-02) and
thread into Gun Block (EMG-1001-01).
6. Thread Jam Nut (53800-1) then Needle Guide (53900-1) onto catalyst needle
end.
7. Install new O-ring (O-S-006) onto the Catalyst Piston Needle (CPR-2005-01).
8. Insert Catalyst Piston Needle (CPR-2005-01) into the Catalyst Needle Housing
(CPR-2003-02).
NOTE: Use caution not to bend the catalyst needle while performing the
remaining assembly procedures.
53900-1 NEEDLE GUIDE
53800-1 JAM NUT
CPR-2005-01 CATALYST NEEDLE
O-S-006 O-RING
CPR-2003-02 NEEDLE HOUSING
CPR-2012-02 CATALYST NEEDLE SEAT
O-S-012 O-RING