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1/4-Inch Right Angle Grinder Operator's Manual 9
Troubleshooting
Specifications
Loss of Power
1. Low air pressure
2. Improper lubrication or dirt
build up
3. Worn motor parts, or other
problems
1. Check air supply. For
rated performance, 90
PSI air pressure is
required at the tool, with
tool operating
2. Check for wet or dirty air.
Wet air tends to wash
lubricant away. Dirt or
foreign matter will
impede the action of the
motor. If dirt or water has
entered the tool, flush
with John Deere AT-
4003.
3. Contact your customer
service.
Symptom
Problem
Solution
Collet size ---------------------------------------1/4"
Maximum free speed------------------------- 25,000 RPM
Overall length ---------------------------------- 7 1/2"
Weight--------------------------------------------1 lbs.
Average air consumption -------------------4 CFM
Air inlet -------------------------------------------1/4" NPT
Recommended hose size -------------------3/8" I.D.
Maximum operating pressure --------------90 PSI