Rowe 7770, Field Service Manual And Parts Catalog

Page: 64 / 110

Part No. 900-68702
5 - 3
Section 5: Maintenance
SELECTOR BUTTON
ASSEMBLY REMOVAL
The selector button assembly in the snack
vendor is a sturdy, reliable assembly
developed and constantly improved over
many years. The buttons exposed to the
public are high impact plastic nested to
bases soldered into an extremely reliable
P.C. Board.
Should it ever be necessary to replace this
assembly or any of its parts, proceed as
follows:
1. Disconnect the cable.
2. Remove the 4 mounting screws.
Do not remove the screws that mount
the P.C. board.
3. Remove assembly.
4. To install, reverse this procedure.
Fig. 5-3
Shelf Removal Final Position
HELIX HUB/MOTOR
REMOVAL
1. Turn the power OFF.
2. Slide the shelf forward, lift the shelf
upward and out. Let the shelf hang
down.
3. Locate the hub removal tool (P/N
593-902) supplied with vendor.
4. Line up the hub tool “V” cutout
(horizontally for 4 & 5 shelves,
vertically for 8 & 10 shelves) to the
motor shaft gap.
5. Push the hub tool in while pulling
on the helix hub outward. Helix
should snap off.
6. Disconnect the motor harness
connection.
7. Press down on the top locking tab
and push the motor out.
8. To install the motor and hub reverse
this procedure.
Hub Tool not needed to reinstall hub.
When reattaching the helix to the hub,
push until it snaps on.
9. Turn the main power ON.