Mitsubishi Electric PUHY-HP72 Service Handbook page 270

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[8-12 Parts Replacement Instructions ]
(18) To remove the front heat exchanger, first remove the front, left, right, and center frames by unscrewing the 14 screws.
(See Figure 14.)
To remove the rear heat exchanger, remove the rear frame in addition to the front, left, right, and center frames by
unscrewing the 16 screws. (See Figure 14.)
(19) Unscrew the two screws each on the right and left panels. (See Figure 15 Right and Left.)
(20) Remove the left front pillar by unscrewing the 9 screws on a standard model or 10 screws on a high-efficiency model.
(See Figure 15 Front and Left.)
(21) Remove the right front pillar by unscrewing the 5 screws. (See Figure 15 Front and Right)
Rear frame
Left frame
Figure 15 Left
*Use the supplied spacers. Use the spacers 60 (D) X 250 (W) X 60 (H) when replacing the heat exchangers for the maintenance of the
accumulator and the pipes.
HWE18240_GB
Right frame
Center frame
Front frame
Figure 14
Connection of the pillar to the rear heat
exchanger (4 screws on a standard model
or 5 screws on a high-efficiency model)
Left front pillar
Left panel
Figure 15 Front
Right front pillar
Spacer *
Figure 15 Right
Right panel
73
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