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Challenge JO - Troubleshooting Common Problems

Challenge JO
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8.0 Troubleshooting
13
8.0 Troubleshooting
(Refer to Parts lists for part location, number, and description.)
Problem Area to Check Solution
1. Lack of power Check voltage at machine – may be
low
Remove other machinery on line
or provide a separate branch
circuit
2. Drill head won’t return Check for bind in lever assembly
Check lift spring – may be broken or
stuck
Check if pull down shaft is stuck in
frame
Free bind, clean and oil
Pry up head, clean and oil shaft
(Replace spring if necessary)
Pry up head, clean and oil shaft
(Replace spring if necessary)
3. Drill head will not come
down
Check for broken lift – spring may
be jammed
Replace spring

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