Hardinge Bridgeport EZ Vision, Installation, Maintenance, And Parts Manual

Page: 55 / 104

SADDLE GIB ADJUSTMENT
The saddle gib is used for adjusting the saddle bearing on the knee. The gib serves as a guide for
the saddle travel.
- NOTE -
Observe the orientation of the front saddle wiper before removing.
1. Remove three screws and slide front saddle wiper "B", Figure 4.13, off the machine.
2. Move the Y axis to position the saddle at the approximately midpoint of travel.
- NOTE -
Figure 4.14 shows how the front indicator is mounted. Mount the rear indicator fac-
ing toward the front of the machine in the same manner. Refer also to Figure 4.15.
3. Clean the dovetail surfaces to be used to mount the magnetic-based indicators.
4. Mount two magnetic-based indicators on the left dovetail surface on the top of the knee.
5. Push the right end of the table by applying 50 lb
f
[222 N] and pull the left end of the table by
applying 50 lb
f
[222 N], as shown in Figure 4.15.
6. Zero the indicators.
7. Pull the right end of the table by applying 50 lb
f
[222 N] and push the left end of the table by
applying 50 lb
f
[222 N].
8. Record both indicator readings. or - signs.
Refer to Table 4.1 for the optimum indicator readings.
M-477A 4-11
Figure 4.13 - Front Wiper on Saddle
TP6991
B
Figure 4.14 - Front Indicator Position
for Saddle Gib Adjustment
TP6994