Promac 212VLL Operator's Manual page 33

of the spindle and feed handles will become sluggish.
FIG.20
1
Angular "play" of the spindle (Fig. 20)
Move the spindle to the lowest downward position and
hold in place. Try to make the spindle revolve around its
axis while also moving it with a side motion. If there is too
much "play", proceed as follows:
1. Loosen the lock nut (1).
2. Without obstructing
downward motion of the spindle, turn the screw (2) clock-
wise to eliminate the "play".
Note: A little bit of "play" is normal.
3. Tighten the lock nut (1).
FIG.21
4
To replace the belt (Fig. 21)
DISCONNECT THE BENCH DRILL
PRESS FROM THE POWER SOURCE BEFORE
REPLACING THE BELT.
2
the upward and
1
3
2
Belt tension and bench drill press speed is controlled by
automatic adjustments made to the diameter of the front
spindle when the drive handle is moved.
Note: See (Fig. 24) for information on the variable speed
function of this bench drill press.
1. Remove the screw that secures the housing cover
(1). Open the housing cover.
2. Remove the belt (2) from the housing cover if it is
broken. If it is not broken, but is too stretched to operate
correctly, work the belt off the drive (motor) spindle (3).
Then remove the belt from the front spindle (4).
3. Replace the belt by putting a new belt over the front
spindle (4) and carefully sliding the belt over the drive
(motor) spindle (3).
SPEED WHEN THE BENCH DRILL PRESS IS TURNED
OFF.
31
DO NOT CHANGE THE DRIVE