Tokyo Boeki Labmax 240, Service Manual

Page: 70 / 178

3‑24
3.5.3. Unit Dismantling and Re-assembly
1. Unit dismantling
1. Turn off system power switch and PC
power switch.
2. After opening top cover, push over
upper chassis gently to give a tilt
- Be sure to remove fixing screws on
left and right panels in advance.
- Confirm the “click” sound made by a
stay when fixed.
3. Remove front panel first, and then
upper panel.
- Refer to chapter 1, page 1-5.
4. Loosen fixing screws of ISE pump,
and take out ISE pump.
(Leave piping and wiring as they are.)
5. Loosen M6 joints (two) connected to
both ends of solenoid valve (EV-3) and
disconnect tube.
- When disconnecting tube, water in the
tube flows out. Wipe it off with tissue
paper.
6. Disconnect the following connectors.
J4401 J4402 J4403 J4404
J4405 J4408
M6 joints
Fig.3-36 Solenoid Valve
EV-3
Fig. 3-35 ISE Pump
Fig. 3-34 System front view
Fixing screws (3)