DE-STA-CO 722 INTERMITTOR - Manual (Page 18)

16
SECTION 7: Troubleshooting
TROUBLESHOOTING GUIDE
Symptom Cause Solution
Backlash at output shaft Worn/damaged followers Replace
(in dwell)
Tight Stations Bent cam followers Replace; inspect holes in roller
(torque required to rotate gear shaft
cam shaft through tight
station is more than 1 1 /
2
times the loose station)
Pitting of cam follower Incorrect oil Replace cam followers and fill
outer race/cam track surface unit with correct oil
Fine magnetic metallic particles Steel and iron worn from Flush out when replacing oil
in oil; appear bronze color bearing roller ends and cages
when in oil and cams surface (this is a
normal condition)
REDUCER:
Excessive Backlash A. End play in worm shaft Contact Technical Services at
800-645-5207 or 847-459-5200.
B. Loose gear on camshaft. Contact Technical Services at
800-645-5207 or 847-459-5200.
Overheating in Excess of 210°F A. Worm-shaft bearings Contact Technical Services at
pre-load. 800-645-5207 or 847-459-5200.
B. Incorrect alignment of Contact Technical Services at
worm and gear. 800-645-5207 or 847-459-5200.
C. Excessive worm speed. Reduce worm speed.