Huvema HU 480 X 2200 VAC TOPLINE, Instructions Manual

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4-2 Transmission & Spindle Operation
After all the previously described procedures have been done, it is time to test
the machine. Position the spindle H/L lever
○
2
to “L”, turn speed control button
○
1
counterclockwise to lowest speed and forward/reverse lever
○
4
to the “N”
position. Lift the spindle operation control lever (
○
11
of item 1-1), and the
spindle will rotate in the forward direction. To reverse spindle direction, push the
lever down. Place lever in neutral to stop spindle. The foot brake is used for
emergency stop. After using the foot brake, the forward/reverse lever must be
returned to neutral before the spindle can be operated again.
Fig 4-2
4-3 Spindle Speed Selection
There are three speeds on inverter transmission lathe: H (High), N (Neutral) and
L (Low). Speed range in H is from 235rpm to 2000rpm, in L is from 20rpm to
170rpm.
Turn speed control button
○
1
counterclockwise to the lowest speed and select
speed range by turning lever
○
2
to proper position, then lift or press down
spindle operation control lever (
○
11
of item 1-1) to start spindle. Rotate speed
control button
○
1
to choose applicable speed, clockwise for speeding up and
counterclockwise for slowing down. Spindle speed shows on display
○
3
.
For safety consideration and to protect the gears from damage, spindle speed
H/L lever
○
2
can be shifted only when the motor is completely stopped. If the
gears do not engage easily, use intermittent button
○
T
to engage gears. Be sure
gears are properly engaged before starting lathe.
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