Troubleshooting
Problem
Possible cause
Remedy
Tool will not start
Air valve closed or obstructed
Open valve; clear any obstructions
Dirt or gum deposits on
components
Flush tool with gum solvent
If problem persists, disassemble,
clean and lubricate internal parts
Rotor vanes or other components
are worn
Replace worn components
(Replace vanes as an entire set)
Trigger inoperable
Clean trigger mechanism to ensure
free movement. Replace
mechanism if needed.
Bearing(s) worn
Disassemble and inspect bearing
Grease or replace as needed
Starts immediately when
air is connected without
trigger being pressed
Trigger malfunction
Clean trigger mechanism to ensure
free movement. Replace
mechanism if needed.
Excessive or abnormal
vibration
Bearings worn
Disassemble and inspect bearing
Grease or replace as needed
Loss of power; erratic
action
Low air pressure
Verify compressor has proper CFM
rating for tool
Check compressor regulator
setting; set air pressure to 90 psi.
Set regulator dial on tool to
maximum setting
Check for loose connections
Moisture or obstruction in air
hose
Air supply must be clean and dry
Clean out air hose(s) and remove
any kinks or bends
Improper size of air transmission
lines, hoses, fittings, or
couplings
Use appropriate-sized air
lines/hoses
Verify proper fittings/couplings
Dirt or gum deposits on
components
Flush tool with gum solvent.
Check and clean air filter on
compressor
Clean external areas of tool. If
problem persists, disassemble,
clean and lubricate internal parts
Rotor vanes are worn
Replace vanes (entire set)
Excessive heat develops
in tool
Insufficient lubrication
Lubricate with air tool oil
Worn components
Replace components as needed
Severe air leakage
(Note: Minimal escape of
air is often normal for air
tools)
Air valve obstructed or damaged
Clean or replace
Housing loose or damaged
Tighten or replace as needed
1-800-345-4545 jegs.com
