North American - ENG
Date Released:
October 2018
3M-Matic
™
8000af - Type 11800
Page 36
44-0009-2153-4 / ECO# 0078045
9.
Important –
Before installing new drive belt, check belt inside surface for drive direction
arrows and install belt accordingly. If no arrows are shown, belt may be
installed either way.
Install new belt around drive rollers and insert splicing pin.
Pin must not extend beyond edge of belt.
10. Set drive belt tension – turn adjustment screws (J) equally on both upper and lower
tension assemblies. Turn screws clockwise to reduce belt tension, counterclockwise to
increase
tension.
Use force gauge to pull belt outward one inch [25mm] at midspan, as shown in
Figure 12-4
, with a moderate pulling force of 7 lbs. [3.5 kg]. Tighten lock nuts (H) on
both tension assemblies to secure tension setting.
11. Assembly is reverse of disassembly.
Figure 12-4 Drive Belt Tension Adjustment
(Top View)
Figure 12-3 Drive Belt Replacement/Tension Adjustment
J
H
H
H
Side View
J
J
Drive Belt
Direction
Infeed End
Discharge End
Box Drive Belt
25mm [1 in] de
fl
ection at midspan
with 3.5 kg [7 lb] pull force
12. Maintenance
(continued)