Sharp LMV Series - General Troubleshooting and Repair

24
Variable Speed Head Trouble shooting
Problem
Possible Cause
Solution
Auto Quill Feed does not
work:
Wheel responds to feed
reverse knob nut does not
feed
Damaged worm gear
Replace worm gear (H060)
and check for alignment
Auto feed only works in
one direction
Broken bevel gear
Replace bevel gear (H115
or H110)
Feed
engage
select
does
not
Broken gears
Inspect H102, H104, H126,
H324, and H327 (Replace
as needed)