Mitsubishi Electric PUHY-HP72 Service Handbook page 269

[8-12 Parts Replacement Instructions ]
(11) Remove the fan guard by unscrewing the 12 screws. (See Figure 9.)
(12) Insert a spacer between the control box and the heat exchanger.
(13) Remove the cable tie that is holding the motor ASSY and the unit wiring.
Remove the motor ASSY by unscrewing the eight screws, using caution not to disconnect the motor wiring or not to
damage the fan. (See Figure 10.)
Figure 9
(14) Remove the unit wiring from the left frame (See Figure 11).
Bundle all excess unit wirings including those that have been removed so that they do not interfere with the replacement
of the heat exchanger.
Left frame
(15) Remove the front pillar by unscrewing the 7 screws. (See Figure 12.)
(16) Disconnect the TH7 sensor holder from the front pillar. (See Figure 12 Rear.)
(17) Remove the TH7 wiring from the heat exchanger by cutting the cable tie. (See Figure 13.)
Front pillar
Figure 12
*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.
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Fan guard
Front heat
exchanger
Spacer *
Control box
Figure 11
Front heat
exchanger
Connector
Front pillar
TH7
Rear
Spacer *
Motor ASSY
Fan
Figure 10
Left frame
Protective wire rubber
Unit wiring
TH7
Remove the TH7 wiring from
the front heat exchanger.
Spacer *
Figure 13
Motor ASSY
Cable tie
Cable tie
HWE18240_GB