Collet CHK-□□
Collet Cap
Collet CH5-□□
Collet Cap
Grindstone Axis AGM-03
Metal Saw Axis KCH-03
Metal Saw Axis KCH-01
Collet Chuck CHG-□□
Collet Chuck CH8-□□
Drill Chuck Axis DCH-J0K
（Jacobs Taper #0）
（Use less than 3,000min
-1
）
Drill Chuck Axis DCH-J0
（Jacobs Taper #0）
（Use less than 3,000min
-1
）
Metal Saw Axis KCH-02
Collet Chuck CHS-□□
Metal Saw Axis KCH-01N
Drill Chuck Axis DCH-J0N
（Jacobs Taper #0）
（Use less than 3,000min
-1
）
Collet Chuck CHM-□□
Grindstone Axis AGM-01
Control Unit NE-72
Motor EM-250
EM-255
Speed Reducer
ARG-01
（Reduction Ratio 1/3.92）
Speed Reducer
ARG-02
（Reduction Ratio 1/15.39）
Spindle NR-302
NR-2350
Spindle NR-301
Spindle NR-310
Slim Shaft Spindle
AMH-300
Slim Shaft Spindle
AMH-301
Spindle NR-600
Spindle NR-601
90゜
Angle
Spindle
RA-100
（Reduction Ratio 1/2.67）
90゜
Angle
Spindle
RA-200
（Reduction Ratio 1/1.5）
Spindle
RAS-100
◆
ASTRO-E 250 ATTACHMENT SYSTEM CHART
¡
Use angle type attachments such as RAS-100, RA-100
and RA-200 with Speed Reducer in a low speed.
¡
The O.D. of metal saw should be less than
φ
30
A
(
φ
1.18") and can be used for nonferrous metal such
as brass and alminium with the thickness of less than
1.5
A
.
¡
In case of using drill chuck, keep the speed less than
3,000min
-1
.
P. 9
◆
TROUBLE SHOOTING
Please check the following points before asking for repair.
〈
Unit
・
Motor
〉
Trouble
Check Points
Probable Cause
Action Taken
Power Source lamp
does not light up.
¡
Power plug is not connected
properly.
¡
Fuse is brown out.
¡
Connect the plug properly.
¡
Replace the fuse 250V3. 15A.
Overloaded so often.
Wait for the light up the power
source lamp.
Check if the reset lamp is light up.
Release the reset circuit.
(Ref. P. 6)
Connect the plug properly.
(Ref. P. 4)
When Motor Cord Plug is not
connected, Reset Lamp does not
turn off. (Ref. P. 4)
Switch to either FWD / REV of the
converting switch.
FWD / REV Switch is OFF.
ON / OFF terminal is not
connected properly.
Connect the ON / OFF terminal
properly. (Ref. P. 4)
Reset lamp
does not turn
off even if the
reset circuit is
released.
Check the
connection of
motor plug if it
is tight.
When Manual
mode, motor
does not run
even if either
FWD / REV
Switch is ON.
When Auto
mode, motor
does not run
even if either
FWD / REV
SWItch is ON.
Motor
does not
run.
Power
Source
Lamp
does not
light up.
〈
Spindle
〉
Trouble
Probable Cause
Action Taken
Run-out of bur.
Check if dirts are in the collet or
spindle.
Clean the collet and the inside of
spindle.
Collet Cap is not mounted
properly.
Mount Collet Cap properly on the
Collet.
Wear of ball bearing.
Repair at authorized NSK repair shop.
Repair at authorized NSK repair
shop.
Noise and vibration occur
during rotation.
¡
Foreign materials are in the ball
bearing.
¡
Wear of ball bearing.
Bur shank is bent.
Replace with a good bur.
P. 10
ASTRO-E250̲K0155E.r1̲e̲のコピー 05.6.20 9:24 PM ページ 11