South Bend Tools
For Machines Mfd. Since 12/21
Model SB1007
-61-
S E R V I C E
4.
Ensure belt teeth are properly engaged in
pulley notches, push down on motor with
light/moderate pressure, and tighten motor
mount hex bolts.
The timing belt is correctly tensioned when
there is approximately
1
⁄
8
" deflection when it
is pushed with moderate pressure, as shown
in Figure 94.
5.
When deflection is correct, retighten motor
mount hex bolts.
6.
Re-install end gear cover.
Replacing Belt:
1.
DISCONNECT
LATHE FROM POWER!
2.
Remove
end gear cover.
3.
Loosen four motor mount hex bolts (see
Figure 93 on previous page), slide motor up,
and remove belt.
Note:
Loose pulleys impact transmission
of power from motor. If pulleys are loose,
retighten them now.
4.
Slide off old timing belt and install new
one, making sure that belt teeth are seated
together with pulley teeth.
5.
Tension belt (see Figure 95), then retighten
motor mount bolts.
6. Re-install end gear cover.
Figure
Figure 95. Timing belt properly seated with pulley.
. Timing belt properly seated with pulley.
Timing
Timing
Belt
Belt
Pulley
Deflection
Pulley
Figure
Figure 94. Correct belt deflection.
. Correct belt deflection.
1
⁄
8
"
