Bridgeport Hardinge 1 Series, Installation Operation & Maintenance, Page: 3 / 16

Drive Belt Replacement
1. Remove the motor as described on Page
3-1.
2. Remove the three screws “F”, Figure 3.3,
insert into the adjacent tapped holes and
withdraw bearing housing “G”.
3. Remove the two screws and the bushings
“H”.
4. Remove four screws “I” and one screw
“J”.
5. Remove four screws securing speed
changer “K”.
6. Remove top housing “L”. Tap to clear the
dowels.
7. Replace the belt.
Timing Belt Replacement
1. Remove the motor.
2. Lower the quill to full extent.
3. Remove the two lower cap screws “M”,
Figure 3.4, from the speed changer hous-
ing.
4. Remove the four cap screws “N”.
5. Remove the top assembly “O”, and tap to
clear dowels
6. Replace the belt.
3-2 M-450
Figure 3.3 - Drive Belt Replacement
TP5322
F
G
I
K
H
L
J
Figure 3.4 - Timing Belt Replacement
N
TP5323
M
O