Use and Care Manual

18
Exposed metal surfaces of table and base should
be kept clean and free of rust. Protective sprays or
paste wax are available from most hardware
stores. Note: Avoid wax that contains silicone or
other synthetic ingredients; these materials can
find their way into lumber and make staining and
finishing difficult.
The quill return spring should receive SAE 20 oil
once yearly. Apply the oil beneath the spring
housing (D, Figure 31) using a squirt can.
If the drill press is not to be used for an extended
period, loosen the tensioner (B, Figure 19) to
reduce stress on the belts.
11.1 Belt replacement
To loosen and remove the existing poly-v belts,
use the same procedures described in sect. 8.7,
Changing spindle speeds.
11.2 Return spring
The tension of the return spring, which raises the
spindle after drilling, has been pre-set by the
manufacturer. No further adjustment should be
attempted unless absolutely necessary. Should
spindle retraction weaken after long-term use of
the drill press, tighten the spring tension as follows.
1. Disconnect machine from power source.
2. Pull off cap (A, Figure 31).
3. Loosen jam nut (B), and loosen inner nut (C) a
small amount. Do not remove the hex nuts.
The nuts should be backed off just enough to
allow the spring housing (D) to be disengaged
from the pin on the head casting.
4. Slightly pull out the spring housing (D) while
firmly holding it. DO NOT allow the spring
housing to turn freely in your hand, or the
spring will unwind.
5. Rotate spring housing until tab (E) on the
spring retainer engages the next notch in
spring housing. Rotate coil spring housing
counterclockwise to increase spring tension,
clockwise to decrease.
6. Push spring housing back in. Make sure it has
re-engaged with the pin before releasing your
grip on the housing.
7. Tighten inner nut (C) until it makes very light
contact with the spring housing. Do not
overtighten the inner nut, as it may cause
binding of the pinion shaft.
8. Hold the inner nut with a wrench to prevent
further movement, while tightening the jam nut
(B) against the inner nut.
9. Install cap (A).
Figure 31