Spindle recycles but does not advance beyond the last stroke.
|
Probable Cause |
Check |
Remedy |
| Drill. | Check cutting edges. | Replace. |
| Advance cam bar friction adjustment. | Check the adjustment. | Adjust - Ref. Cam Bar Bul. |
| Worn parts and/or cam bar. | Replace - Ref. Cam Bar Bul. | |
| Check for interference w/ driver sleeve. | Correct
or replace. Ref. Bul. 21076-00. |
|
| Low air pressure | Air pressure should be above 50 psi. | Regulate per Eng. Data Bul. |
| Thrust required to advance tool at desired feed rate approaches or exceeds thrust developed by air cylinder. | Consult drilling speed, feed and thrust charts and compare with developed thrust of unit. | Decrease feed rate. Increase output air pressure. Stagger drill lengths. Decrease size or number of tools. Substitute with hydraulic powered holomatic unit. |
