KE-750_MS.pdf - 第34页

5. Z-axis Deceleration Sensor Replacement Adjustment is not required after replacement of Z-ax is deceleration sensor, but be sure it is ON when Z-axis (Z slide bracket) is fully raised. (1) Disconnect the wire bundle of…

(5) When assembling θ-axis motor pulley, mount so that the distance from the θ-axis motor flange to the

θ motor pulley extremity is 24mm (Dia. 2 - 4 - 3).

(6) Reassemble in reverse sequence. Adjust timing belt θ tension. (Refer to QA Table, Head, θ belt

tension.)

θ motor pulley

Fig. 2-4-3

1-27

5. Z-axis Deceleration Sensor Replacement

Adjustment is not required after replacement of Z-axis deceleration sensor, but be sure it is ON when

Z-axis (Z slide bracket) is fully raised.

(1) Disconnect the wire bundle of the Z-axis deceleration sensor from head main PCB (at rear of head).

(2) Remove screw (1) and remove Z-axis deceleration sensor from head.

Note: Insert knob on the back of the

deceleration sensor into head bracket hole

to position.

Z-axis deceleration senso

Pot scre

(SM4860801SC)

Fig. 2-5-1

1-28

6. Laser Sensor Replacement

6-1 LAHD Replacement (LAHD Head)

After replacement of LAHD, reentry of MS parameters for the laser is required. (Refer to section 2 - 13

for reentry.) After replacement, wipe the LAHD laser window with alcohol.

– To replace, remove connector (1) and the 3 screws (2).

LAHD

llen head scre

(SM6852002TN)

Note: For the Allen head screws (2), use Locktite 242 and tighten to torque 4kg-cm.

Fig. 2-6-1

1-29