Replacement Parts - Jet J-7020 Operating Instructions And Parts Manual

Symptom
Unusual wear on
side/back of blade
Teeth missing/ripped
from blade
Motor running too hot
No coolant flow
Excessive speed
reducer noise/vibration

14.0 Replacement Parts

Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-
800-274-6848 Monday through Friday (see our website for business hours, www.waltermeier.com). Having the
Model Number and Serial Number of your machine available when you call will allow us to serve you quickly
and accurately.
Possible Cause
Blade guides worn
Blade guide bearings not adjusted.
Blade guide bearing bracket is loose.
Blade tooth pitch too coarse for
workpiece.
Feed too slow; feed too fast.
Workpiece vibrating.
Gullets loading up with chips.
Blade tension too high.
Drive belt tension too high.
Blade too coarse for workpiece
(especially with tubular stock).
Blade too fine for workpiece
(especially with heavier, soft
material).
Speed reducer gears require
lubrication.
Pump motor is burned out.
Screen/filter on pump is clogged.
Impeller is loose.
Coolant level too low.
V-belt is too tight.
Countering spring not tensioned
properly.
Correction
Replace blade guides.
Adjust blade guide bearings.
Tighten blade guide bearing bracket.
Use blade with finer tooth pitch.
Increase feed pressure and/or blade
speed.
Clamp workpiece securely.
Use blade with a coarse tooth pitch —
reduce feed pressure.
Brush blade to remove chips.
Reduce tension on blade.
Reduce tension on drive belt.
Use blade with fine tooth pitch.
Use blade with coarse tooth pitch.
Check speed reducer.
Replace pump.
Clean screen/filter.
Tighten impeller.
Add coolant to reservoir.
Reset V-belt tension.
Increase spring tension.
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