Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 267 / 333

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Heat exchanger
No. Part to be replaced Work procedure Remarks
3
WARNING
Wear a pair of gloves.
Otherwise, you will risk an injury involving a
replacement part or some other object.
Before the work, be sure to recover the refrigerant of
outdoor unit into cylinders or another unit connected to
the same system.
(Refer to the chapter on “refrigerant recovery methods to
be used during compressor replacement”.)
1. Detachment (Right-Side Heat Exchanger as
Example)
1) Remove the cabinet.
2) Remove the motor base.
(M5 × 10, 6 pcs.)
(Detach the fan motor leads as well.)
With a 12, 14HP unit, remove the discharge
cabinet anchor plates.
Left and right: (M5 × 10, 2 pcs.) – 2 sets
3) Remove the upper partition plate.
(M5 × 10, 12 pcs.)
4) Remove the screws for the support post.
(M5 × 10, 3 pcs.) – 2 sets
5) Remove the screws for the Heat excanger partition plate.
(M4 × 10, 2 pcs.)
6) Remove the brazed joints of the piping connected
(4 locations).
7) Remove the screws for the heat exchanger partition
plate (upper) and pull the heat exchanger out.
(M5 × 10, 2 pcs.)
4) Support post
3) Discharge cabinet anchor plate
2) Motor base
7) Rear
Heat exchanger
(right)
Heat exchanger
(left)
5) Heat exchanger
partition plate
(upper)
Support
post
Pull heat exchanger out of rear end.
(Left-side heat exchanger is pulled out of
front end.)
6) Brazed joints
(1 locations on
header side)
6) Brazed joints
(2 locations on piping
connected side)
6) Brazed joints
(1 locations on
distributor side)
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