Rev. 08/02/02
Model GG50A
Single Shot Air Grease Gun
The pistol-style, single shot Air Grease Gun is a specially
designed, high quality, professional air tool for lubricating
maintenance for transportation implements, agricultural
machinery, industrial equipment, etc.
Features and Functions…
• Chrome-plated container tube and enamel-baked housing.
• Acute-angle design allows wide-angle operation in
narrow space.
• Air vent valve allows trapped air in the tube to escape after
filling with grease.
• Lightweight design for ease of operation.
• Two ways of grease loading available: cartridge loading (with
standard 14 oz. grease cartridge) or suction filling.
• Trigger should be pressed firmly during operation.
• Add oil daily through air fitting before use.
Troubleshooting…
• If your gun fails to work, first check for air pockets in the gun.
To remove trapped air, unscrew the gun head 1 to 1-1/2 turns
and do as follows: Draw back plunger rod fully and
release quickly. Repeat several times. Push plunger
rod all the way in. Tighten the head to the barrel.
Press air vent valve several times to expel the air.
Instructions for Cartridge Loading…
(See Figure 3)
1. Remove the gun head from the container tube.
2. Completely draw back the plunger handle.
3. Insert open end of cartridge into container tube and push all
the way in. Remove the seal or pull tab end from the cartridge.
4. Reassemble the gun head to the container tube. Press the catch
plate and release the piston rod. Pull down the plunger handle.
Suction Filling…
(See Figure 4)
1. Remove the gun head from the container tube.
2. Submerge open end of the container tube into grease bucket
about 2" deep and pull the plunger handle out slowly and
engage rod into key slot.
3. Reassemble the gun head to the container tube. Press the catch
plate and release the piston rod. Pull down the plunger handle.
PARTS BREAKDOWN/OPERATING MANUAL
FOR YOUR SAFETY AND TO PREVENT INJURY:
• High pressure hazard.
• Wear safety goggles.
• Do not exceed 60 psi with hose or 90 psi with solid extension.
To do so may cause personal injury.
Acute-angle design
Container tube
Fig. 1 Air Grease Gun
Finger grip
Air Vent
Valve
Fig. 2
Plug
Fig. 3
Cartridge Loading
Fig. 4
Suction Filling