851-712 Rev. C
17
Dorner Mfg. Corp.
Ready-To-Run Mini Conveyors
Preventive Maintenance and Adjustment
B
−
Drive Pulley Removal
1. Remove gearmotor mounting package. See “Gearmotor
Mounting Package Removal” on page 20.
2. On one side of the conveyor, loosen two (2) head plate
fastening screws
(Figure 36, item 1)
and remove.
Figure 36
Figure 36
3. Remove the head plate
(Figure 37, item 1)
from the
conveyor frame.
Figure 37
Figure 37
4. Drive pulley will slide out of opposite head and drop
into slack of belt.
5. Slide the drive pulley out of the belt loop.
Bearing Removal & Replacement
Removal
1. Place bearing removal tool part #456063
(Figure
38, item 1)
below bearing
(Figure 38, item 2)
with lip
(Figure 38, item 3)
located in gap
(Figure 38, item 4)
between bearing and spindle hub
(Figure 38, item 5)
as
shown.
Figure 38
Figure 38
2. Using puller part #807
−
1716
(Figure 39, item 1)
,
remove and discard bearing.
Figure 39
Figure 39
A
WARNING
Drive shaft keyway may be sharp. HANDLE
WITH CARE.
NOTE
To prevent damage to the head plates, be
sure to remove them slowly because they are
not attached to pulley.
1
1
IMPORTANT
Do not use any removed bearings. Replace
them.
2
1
5
4
3
1