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TECHNICAL
BETTCHER
LARGE MODULAR SERIES II WHIZARD
MANUAL
INDUSTRIES, INC.
REV. June 28, 2012
Page 29
9.2 Daily Inspections & Maintenance (Continued)
Pinion Gear
Check for worn or chipped teeth. Worn out teeth are indicated by rounded off and pointed tops on the teeth.
Bearing
Install a new pinion and move the pinion side to side.
If the bearing feels egg-shaped, it should be replaced.
As a rule of thumb, the bearing should be replaced at 500 hours of use or sooner.
Cover Plate
Look for signs of corrosion or wear on the cover.
Pay special attention to the area covering the gear teeth.
If the edge of the cover is worn, exposing the pinion and blade teeth, the cover should be replaced.
Hand Strap
Inspect the strap for hardening and cracks.
If any fibers, cuts, or cracks are showing, the strap should be replaced.
Knob
Inspect for cracks.
Make sure spring tension in the metal plate is adequate.
Make sure the metal plate is clean and moves freely.
Frame
Inspect the frame surfaces where the housing mounts.
Look for corrosion and any nicks or burrs that may prevent proper housing seating.
Inspect the housing locating key for damage.
Steeling Device
Inspect the surface condition of the carbide steel. If chipped or cracked it should be replaced.
Make sure the steeling device and the plunger are free to move.
The plunger and steel should be cleaned and oiled with mineral oil in order to keep free movement
and prevent build-up of dirt.
Depth Gauge and Depth Gauge Clamps
Inspect the depth gauge for wear or damage.
Make sure the depth gauge clamps are not bent.
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