Toshiba MMU-AP0072H2UL Service Manual page 123

No. Part name
PMV
13
(Pulse Motor Valve)
As shown in the figure, make draining shape on the
lead wire (Black) once, and then fix it with bind band.
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.
Procedure
1. Detachment
1) Perform work of procedure 11 -1.
2) Take off screws (Ø4 × 0.31"(8mm),
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 0.55"(14mm) or 0.75"(19mm) spanner
wrench.
2. Attachment
1) Mount PMV motor with a spanner
wrench.
NOTE)
PMV motor tightening torque: 5.8 ± 0.6 ft . lbs (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.
<Details of sensor lead wire drawing>
A
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.
Heat-insulation pipe
(Liquid pipe)
Sensor lead
(Red)
Sensor lead
(Blue)
Sensor lead wires
(Red) (Blue)
Sensor lead wire (Black)
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.
123
Remarks
Piping cover
3 Screws
PMV body PMV body PMV body PMV nut PMV nut PMV nut
Sensor lead (Black)
PMV motor
Details of A part
Heat-insulation pipe
(Gas pipe)
PMV lead wire
(PMV lead
from foot)
(Inner
sparkle side)
Bind band
B
Arrow view B