Service manual

5 • Removal & Replacement
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
5-49
WOW Section of Feeder/WOW Module (use for DM475)
5.46 WOW
Transport
Pulleys (three,
behind wall)
1. Remove WOW transport belts (section 5.45).
2. For left clutched pulley – Remove the WOW unit chassis (section 5.51).
For middle and right pulleys – Remove feeder/WOW Control Board
(section 5.41); you only need to do steps 1-6 from that procedure.
3. Remove pulleys (orientation is looking from behind):
A. Right pulley – remove e-clip, white large plastic washer, and brass
washer from shaft.
B. Middle pulley – remove plastic hold-down on encoder bracket. Re-
move encoder bracket and encoder wheel (one screw). NOTE:
When removing pulley, do not lose pin in shaft. Slot in back of pulley
aligns with pin.
C. Left (clutched) pulley – remove e-clip.
4. Reassemble in reverse order. Keep in mind the following:
A. Left (clutched) pulley - install with visible side of the bearing facing in.
Replace WOW unit chassis.
B. Middle pulley - When putting pin back in middle pulley, insert pin
in shaft, turn shaft so pin is horizontal, and hold drive belt so shaft
doesn’t turn. Slide pulley on, capturing the pin.
Left Pulley
Middle Pulley
Right Pulley
Encoder and Hardware
Encoder and
Middle Pulley
Removed
Pin on shaft
(horizontal to
fit in slot in
back of pulley)
Slot in Back
of Pulley