Jet 690008 jtm-4vs mill w User Guide
15
Feed Trip Cam Lever
The Feed Trip Cam Lever (A, Figure 12) is located on
the left side of the head behind the Manual Fine Feed
Handwheel (B, Figure 12). It engages the overload
clutch on the pinion shaft when positioned to the left.
The Feed Trip Cam Lever stays engaged until Quill
Stop (C, Figure 15) comes in contact with Micrometer
Adjusting Nut (A, Figure 15) forcing it to drop out
automatically, or until it is released manually by
engaging the lever to the right.
the left side of the head behind the Manual Fine Feed
Handwheel (B, Figure 12). It engages the overload
clutch on the pinion shaft when positioned to the left.
The Feed Trip Cam Lever stays engaged until Quill
Stop (C, Figure 15) comes in contact with Micrometer
Adjusting Nut (A, Figure 15) forcing it to drop out
automatically, or until it is released manually by
engaging the lever to the right.
Figure 12
Feed Direction Control
The Feed Direction Control (B, Figure 13) determines
whether the power feed will move up, down, or not
move at all. The position of the knob depends upon
the direction of spindle rotation (see the Motor Switch
section). The position of the control may be changed
with the system stopped or running. If the control
does not engage easily, move the fine feed
handwheel (A, Figure 13) back and forth to aid
engagement.
whether the power feed will move up, down, or not
move at all. The position of the knob depends upon
the direction of spindle rotation (see the Motor Switch
section). The position of the control may be changed
with the system stopped or running. If the control
does not engage easily, move the fine feed
handwheel (A, Figure 13) back and forth to aid
engagement.
If the spindle is rotating clockwise, in is downfeed; out
is upfeed. If the spindle rotation is counterclockwise,
out is downfeed; in is upfeed. Neutral position is
between the in and out position.
is upfeed. If the spindle rotation is counterclockwise,
out is downfeed; in is upfeed. Neutral position is
between the in and out position.
It is recommended that the Feed
Direction Knob be left in the
Direction Knob be left in the
neutral position when not in use.
Figure 13
Coarse Feed Handle
The Coarse Feed Handle (A, Figure 14) is located on
the right side of head. The Coarse Feed Handle is
used for non-precision drilling operations and for
moving the quill to a specific depth. A return spring
will retract the spindle automatically once the handle
is released.
the right side of head. The Coarse Feed Handle is
used for non-precision drilling operations and for
moving the quill to a specific depth. A return spring
will retract the spindle automatically once the handle
is released.
Quill Lock Lever
The Quill Lock Lever (B, Figure 14) is located on the
right side of the head. Rotate the handle clockwise to
lock the quill in a desired position. Rotate the handle
counter-clockwise to release.
right side of the head. Rotate the handle clockwise to
lock the quill in a desired position. Rotate the handle
counter-clockwise to release.
Figure 14
Micrometer Adjusting Nut
The Micrometer Adjusting Nut (A, Figure 15) is
located on the front of the head. Use for setting
specific spindle depth. Secure with the lock nut (B,
Figure 15).
located on the front of the head. Use for setting
specific spindle depth. Secure with the lock nut (B,
Figure 15).
Fine Feed Handwheel
When the controls are set for the Fine feed using
Handwheel position (see Figure 6), the Fine Feed
Handwheel (A, Figure 13) can be used for manual
fine feed control in either upward or downward
direction of the quill.
Handwheel position (see Figure 6), the Fine Feed
Handwheel (A, Figure 13) can be used for manual
fine feed control in either upward or downward
direction of the quill.
Remove the Manual Fine Feed
Handwheel when not in use.
Handwheel when not in use.
Failure to comply may cause serious injury.