Dorner 1100 Series, Installation, Maintenance & Parts Manual

Page: 16 / 32

Dorner Mfg. Corp. 16 851-747 Rev. B
1100 Series Mid Drive Conveyors
Preventive Maintenance and Adjustment
Conveyor Belt Tracking
Non V-guided belt conveyors are equipped with a belt
tracking cam (Figure 31, item 1) for belt tracking
adjustment.
Figure 31
Figure 31
When adjusting belt tracking, always adjust the discharge
end of the conveyor first. To adjust belt tracking:
1. With conveyor running, insert 2.5 mm hex wrench into
tracking cam (Figure 31, item 1) on the side toward
which the belt is tracking.
2. Loosen head plate fastening screws (Figure 31, item 2) .
3. Rotate tracking cam (Figure 31, item 1) in small
increments until belt tracks in the center of conveyor.
4. While holding tracking cam (Figure 31, item 1) , tighten
head plate fastening screws (Figure 31, item 2) to 12
in-lb (1.4 Nm).
Spindle Removal
• A
−
Idler Spindle Removal
• B
−
Drive Spindle Removal
A
−
Idler Spindle Removal
1. Remove two screws on each side of the drive end of
conveyor and remove pinch drive assembly (See “Belt
Removal” on page 12).
2. On both sides of the idler end (Figure 32, item 1)
conveyor, loosen two (2) head plate fastening screws
(Figure 32, item 2) .
Figure 32
Figure 32
3. On both sides of conveyor, rotate belt tracking cam
screw (Figure 32, item 3) to remove tension on belt.
4. Remove belt (Figure 33, item 1) . See “Conveyor Belt
Replacement” on page 11.
Figure 33
Figure 33
A
WARNING
Exposed moving parts can cause severe
injury. LOCK OUT POWER before removing
guards or performing maintenance.
2
1
BELT TRAVEL
1
2
3
1