Gast 16 AM - Manual (Page 6)

6
TROUBLESHOOTING CHART
Problem
Low Low Wonʼt Run Runs Hot Runs Well Reason & Remedy
Torque Speed Then Slows For Problem.
Down
• • • Dirt or foreign material present.
Inspect and flush.
• • • Internal rust. Inspect and flush.
• •
Low air pressure. Increase pressure.
• Air line too small. Install larger line(s).
• •
Restricted exhaust. Inspect and repair.
• • • • Motor is jammed. Have motor serviced.
• • Air source inadequate. Inspect and repair.
• • Air source too far from motor.
Reconfigure setup.
Worm Gear Reducer Series A-F
Gear Reducer Specifications
All output shafts are in the standard location.
Model Air Motor Ratio
AG803 4AM 20:1
AG805 4AM 40:1
AG807 4AM 60:1
AG809 6AM 10:1
AG811 6AM 20:1
AG816 8AM 20:1
Change output shaft direction of worm gear
reducers
1. Remove drain plug and drain oil from unit.
2. Remove end cover and seal cage cap screws.
While supporting output shaft, remove end cover
and shims from unit. Keep shims with cover.
3. Remove output shaft and seal cage together from
extension side. Keep shims with seal cage.
4. Insert seal cage, shims and sub-assembly into
housing from the side opposite from which they
were removed.
5. Insert seal cage cap screws and tighten with light
pressure.
6. Assemble end cover with shims. Insert end cover
cap screws and tighten with light pressure.
7. Turn high speed shaft in both directions to check
that gear train is running freely.
8. Cross-tighten seal cage and end cover cap
screws.
Service, Parts or Repair
For service, parts or repair of the worm gear reducer,
contact the manufacturer listed on the nameplate.