Pentech MG1003, Operation And Parts Manual, Page: 7 / 30

7
GENERAL OPERATION OVERVIEW
GUN SAFETY DEVICES:
The MG Gun has two methods of putting the gun in the safe mode.
# 1. Air Valve:
Gun will not trigger without air pressure to the air cylinder.
To engage air valve safety, turn air valve handle clockwise.
Air needle valve will vent air contained in gun handle and air
cylinder.
# 2. Material Shut Off Valves:
Gun will not dispense material with A & B manual valves
closed.
To engage manual valve safety, turn manual valves
clockwise until closed.
Hose Orientation:
With gun pointing away from operator, A component hose and
manual valve is on operators left. B component hose and manual
valve is on operator’s right.
Air Hose Connection:
Insure that air valve at rear of air Cylinder is in the closed/safe
position.
Air hose is connected by inserting male quick disconnect fitting
located at end of air whip hose into female quick disconnect air
fitting located in heated hose bundle. When gun is not in use, keep
air fitting free of debris.
Coupling Block:
The A & B material whip hoses are connected to the gun head by
the coupling block bolt.
Insure that the two coupling block o-rings are in place.
Material Shut Off Valves:
The A & B manual valves control the on/off flow of material to the
gun. Open valves 2 turns when spraying.
Do not open manual valve unless the gun is connected, or the
coupling block material ports are directed into a suitable container.