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12 - MAINTENANCE (continued)
Figure 12-3 – Drive Belt Replacement/Tension Adjustment
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.
Discharge End
Box Drive Belt
Figure 12-4 – Drive Belt Tension Adjustment (Top View)
800af-I-NA
J
Drive Belt
Direction
25mm [1 in] defl ection at midspan
with 3.5 kg [7 lb] pull force
38
H
J
Side View
J
H
H
Infeed End
2010 December
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