-38-
For Machines Mfd. Since 11/21
South Bend Tools
Model SB1125
S E R V I C E
6.
Push center pulley towards motor pulley to
tension spindle V-belt and tighten set screw
from Step 3.
7.
Install drive belt on pulleys for desired
speed range (see Setting Spindle Speed on
Page 25).
8.
Close belt cover.
Figure 63. Location of drive belt and center pulley set
Figure 63. Location of drive belt and center pulley set
screw.
screw.
Drive Belt
Drive Belt
4.
Push center pulley towards spindle pulley
to release spindle V-belt tension (see
Figure 64).
5.
Remove old spindle V-belt (see Figure 64)
and replace with new one.
3.
Loosen set screw shown in Figure 63.
Figure 64. Location of spindle V-belt and pulleys.
Figure 64. Location of spindle V-belt and pulleys.
Spindle
Spindle
V-Belt
V-Belt
Center
Center
Pulley
Pulley
Spindle
Spindle
Pulley
Pulley
Items Needed
Qty
Hex Wrench 4mm .................................................1
Replacement Spindle V-Belt (#PSB1125055) ......1
Replacing Spindle V-Belt
Use the following steps to replace the spindle
V-belt if it is worn, damaged, or if belt deflection
is incorrect.
4.
Remove old drive belt (see Figure 62).
Figure 62. Location of drive belt.
Figure 62. Location of drive belt.
Drive Belt
Drive Belt
5.
Install new drive belt on pulleys for desired
speed range (see Setting Spindle Speed on
Page 25).
6.
After belt is properly positioned on pulleys,
use belt tension knob to push motor away
from center pulley and engage belt tension.
7.
Secure motor position with belt tension lock.
8.
Close belt cover.
To replace spindle V-belt:
1.
Perform Steps 1–3 of Replacing Drive
Belt.
2.
Remove drive belt (see Figure 63).