Service - Bunn G9 HD Operating & Service Manual

SERVICE

This section provides procedures for testing
and replacing various major components used in
this grinder should service become necessary. Refer
to Troubleshooting for assistance in determining the
cause of any problem.
WARNING - Inspection, testing, and repair of electri-
cal equipment should be performed only by qualified
service personnel. The grinder should be disconnected
from the power supply when servicing, except when
electrical tests are required and the test procedure
specifically states to plug-in the grinder.
Component Access
WARNING - Disconnect the grinder from the power
supply before the removal of any panel or the replace-
ment of any component.
All components are accessible by the removal of
the upper and lower front inspection panels, top lid,
rear panel, and hopper.
The upper front inspection panel is attached with
two 6-32 screws.
The lower front inspection panel is attached with
two 6-32 screws.
CAUTION
PERSONAL INJURY
HAZARD.
KEEP FINGERS AND
FOREIGN OBJECTS
OUT OF HOPPER
OR CHUTE OPENING.
The top lid is attached with four 6-32 screws.
These screws need only to be loosened for lid removal.
The rear panel is attached with eight 8-32 screws.
P602
The hopper/extension assembly is attached with
six 8-32 screws.
Motor -------------------------------------------------- 9
Off/On/Start Switch ----------------------------------11
P603
Urn/Caraffe Switch ----------------------------------11
Relay --------------------------------------------------12
Timer --------------------------------------------------13
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