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11
4. Arrange the v-belts (A, Fig. 12) on the
pulleys (B, Fig. 12) for the desired speed
according to the speed chart (H, Fig. 11) on
the belt cover.
5. Tension the v-belts by pushing the motor
away from the head casting and locking the
motor mount lock lever (F, Fig. 11). Note:
Proper tension is achieved when the slack
in the belt is taken up and the belt does not
slip during operation of the mill/drill.
Arbor Replacement
1. Disconnect machine from the power
source, unplug.
2. Release two latches (G, Fig. 11) on the belt
cover and slide the pulley guard open (I,
Fig. 11).
3. Hold the spindle pulley (B, Fig. 12) to keep
the pulley from moving while loosening the
drawbar (C, Fig. 12) with a wrench.
4. Loosen the drawbar approximately three to
four full turns.
5. Tap the drawbar head with a rubber mallet
to dislodge the arbor.
CAUTION
Do not loosen the drawbar more than three
or four turns before hitting with a rubber
mallet. Damage to the drawbar threads may
occur.
6. Grasp the arbor with one hand while
loosening the draw bar with the other.
Continue to loosen the drawbar until the
arbor can be withdrawn from the spindle.
Wipe out the spindle with a clean dry rag.
7. Wipe down the new arbor with a clean dry
rag and place the arbor into the spindle.
Thread the drawbar into the arbor. Tighten
the drawbar with a wrench while holding on
to the spindle pulley.
WARNING
Use caution when tightening drawbar! Do
not allow hand to get pinched between
pulley and belt!
Failure to comply may cause serious injury!
Note: For best results, all milling operations
should be done with the quill/spindle as close to
the head assembly as possible. Lock spindle
and table in place before starting milling
operations.