─
18
─
(6) Heater (PTC) (with the thermal fuse)
1
Remove the front panel .
→
See (2)
1
and
2
.
2
Disconnect the white lead connector (CN202) from the control circuit
board.
→
See (2)
4
.
3
Disconnect the heater lead connector (CN101) from the power circuit
board.
→
See (4)
2
and
3
.
4
Unscrew the nozzle clamping screws.
(Four PTT screws 4 x 14, indicated by
)
Precaution
When removing the screws, pay attention not to drop the sensor fix
plate.
Assembly precaution
Tighten the screws in a crisscross pattern.
Sensor fix plate
Nozzle
Heater (PTC)
5
Remove the heater (PTC) with the heater fittings.
Assembly precautions
• Run the lead wires through the grooves of the blower cover.
(Indicated by
)
• Take care not to pinch the lead wires.
Heater fitting
(5) Terminal block (with the thermal fuse)
1
Remove the front panel .
→
See (2)
1
and
2
.
2
Remove the circuit board cover .
→
See (4)
1
and
2
.
3
Disconnect the power leads (TAB1 and TAB2) from the power circuit
board.
→
See (4)
3
.
4
Unscrew the terminal block clamping screws.
(Two PPT screws 4 x 20, indicated by
)
Assembly precaution
When running the lead wire through the groove of the terminal
block (TB) holder, set the thermal fuse in the center of the groove.
(Indicated by
)
Terminal block
TB holder
Tightening torque:
1.2 ± 0.1 N.m
5
Remove the terminal block (with the thermal fuse).
Tightening torque:
1.0 ± 0.1 N.m