Use and Care Manual

12
8.0 Operation
8.1 Operating controls
Refer to Figure 8-1 (non-powerfeed models) or
Figure 8-2 (powerfeed models).
Depth stop and scale. Non-powerfeed models:
Turn knurled knob (A
1
) until pointer (A
2
) reaches
desired mark on scale. Powerfeed models: Turn
scale (A
3
) to desired depth, and tighten lock handle
(A
4
).
Downfeed handle (B). Counterclockwise move-
ment advances quill toward table. When released,
return spring retracts quill. CAUTION: Handle will
spring back if released, and will rotate during
retraction.
Fine feed engagement knob (C). Non-powerfeed
models only. Tighten knob to engage fine feed
handwheel (D). Loosen knob to use downfeed
handle.
Fine feed handwheel (D). Non-powerfeed models:
To engage, tighten knob (C). Powerfeed models: To
engage, turn downfeed dial (H) to zero, loosen knob
(J), and push feed handle (B) outward.
Fwd/Off/Rev switch (E). Activates spindle rotation
and selects rotation direction.
Spindle lock handle (F). Turn clockwise to lock
spindle in position, counterclockwise to release.
Speed Levers (G). Select speed according to chart
on control plate. A similar chart is shown as Table 3.
While moving speed levers, turn spindle by hand to
ensure proper gear engagement.
Turn switch to OFF before
changing speed. Failure to comply may damage
gear mechanism.
RPM Levers
65 1
130 2
220 3
480 1
925 2
1550 3
Table 3: speed selection
Downfeed dial (H). Powerfeed models only. Select
among three feed rates. Must be set to zero when
using fine feed handwheel.
Powerfeed disengagement knob (J). Powerfeed
models only. Tighten to prevent powerfeed
engagement and fine feed engagement. Loosen to
allow downfeed handles (B) to be pushed outward
into powerfeed and fine feed position.
Figure 8-1: operating controls (non-PF models)
Figure 8-2: operating controls (PF models)
8.2 Powerfeed operation (models
40GHPF and 45GHPF only)
Turn machine OFF before
selecting speed and initial powerfeed settings.
Failure to comply may damage gear mechanism.
See Figure 8-2.
1. Disengage spindle lock (F).
2. Select appropriate spindle speed (G).
3. Select downfeed rate (H).
4. Loosen handle (A
4
) and rotate collar (A
3
)
counterclockwise to desired depth on scale.
OR… lower spindle to desired depth and set
collar to zero on scale.
5. Tighten handle (A
4
) to secure setting.
6. Loosen powerfeed disengagement knob (J).
7. Turn on machine and pull downfeed handle (B)
away from column to activate power downfeed.
8. Once downfeed has reached pre-set depth, the
trip will release and spindle will retract.
= black
= red