Toshiba A03-009, Service Manual

Page: 123 / 219

122
13 PMV (Pulse
Motor Valve)
1. Detachment
1) Perform work of procedure 11 -1.
2) Take off screws (Ø4 × 10, 3 pcs.) fixing the piping cover to
remove the piping cover.
3) Cut off binding band that binds the PMV lead wires.
4) Peel butyl rubber of PMV a little and remove PMV motor with
a spanner wrench.
NOTE
For attachment and detachment of PMV motor, use a 14 mm or 19
mm spanner wrench.
2. Attachment
1) Mount PMV motor with a spanner wrench.
NOTE
PMV motor tightening torque: 7.84 ± 0.78N•m
2) Perform wiring of PMV and sensor lead as original.
NOTE
Arrange each wire as original.
3) Fix the piping cover with screws.
No. Part name Procedure Remarks
3 screws
Piping cover
PMV body PMV nut
<Details of sensor lead wire drawing>
As shown in the figure, make draining shape on the
lead wire (Black) once, and then fix it with bind band. Fix the head of bind band and lead wire at inner side of the
position in the figure so that they do not stick out to outside.
Insert the sensor lead wires (Red), (Blue),
(Black) from the positions in the figure.
Sensor lead (Black)
PMV motor
Details of A part
Heat-insulation pipe
(Gas pipe)
Sensor lead
(Blue)
Sensor lead
(Red)
Heat-insulation
pipe (Liquid pipe)
Sensor lead wire (Black)
Do not turn the head of
bind band upward.
Sensor lead wire
(Red)
Sensor lead wire (Blue)
As shown in the figure, hook the
sensor and PMV lead wires to the
claw of the No.13 piping cover,
and then pass them so that they
are stored in this groove.
When mounting the piping cover,
check each lead wire does not hit
PMV motor.
Sensor lead wires
(Red) (Blue)
Sensor lead wire (Black)
PMV lead wire
(PMV lead
from foot)
(Inner
sparkle side)
Bind band
Arrow view B
Bundle each sensor lead wire (Red), (Blue), (Black),
and PMV lead wire, fold back toward you at position in
the figure, and then fix them with bind band.