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Figure 16: Lubrication points
13.3 Gib adjustment
Refer to Figure 17.
The table, saddle, knee and ram are equipped with
adjustable gibs. The gibs may require adjustment if
unusual
vibration
is
mechanisms are off, or if you experience unusual
vibration when spindle speed, tooth pitch or depth
of cut do not account for the vibration.
NOTE: When adjusting table, saddle and knee
gibs, always start with knee first; adjust saddle
second, and adjust table last.
13.3.1 Knee gibs
Adjust two gibs located between knee and column,
under the wiper (A, Figure 17). Use a dial indicator
to measure the amount of movement in knee.
Adjust gib until indicator reading is within 0.003".
13.3.2 Saddle gibs
Adjust three gibs (B,C) located between saddle
and knee. Use dial indicator to measure amount of
movement in saddle. Adjust gib until indicator
reading is within 0.003".
13.3.3 Table gib
Adjust one gib (D) located between table and
saddle. Use dial indicator to measure amount of
movement in table. Adjust gib until indicator
reading is within 0.003".
Figure 17: Gib locations
noted
when
locking
13.3.4 Ram gib adjustment
Adjust one gib (E, Figure 18) using the two set
screws (F). Tighten the nuts on the set screws after
adjusting.
Figure 18: Ram gib location
13.4 Motor removal
Removal of the motor is necessary for belt
replacement.
Refer to Figure 19.
1.
Adjust head to lowest speed setting.
2.
Disconnect machine from power source.
3.
Remove three screws (A, Figure 19) and plate
(B).
4.
Use two screws (A-1) to compress spring (C).
5.
Rotate high-neutral-low lever to the high speed
range.
6.
Remove reversing switch from belt housing.
7.
Remove two locking nuts (D).
8.
Lift and tilt motor so that it rests on stud (E).
9.
Ease belt over the lower drive disc and remove
motor.
Figure 19: Motor removal
13.5 Timing belt replacement
Refer to Figure 20.
1.
Disconnect machine from power source.
2.
Remove motor.
18
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