Hitachi RCI Service Manual page 34

2 Unit installation
b) Attach the L-shaped stop located on the rear of the corner cover
to the square hole in the air panel.
Considerations following air panel installation
Tighten the long bolts appropriately. Otherwise, installation faults
may be caused.
Readjust the height of the indoor unit if gaps are seen around it.
Use long bolts and nuts for readjustment, as indicated below.
Once the air panel is installed, the final height of the indoor unit can
be adjusted using a wrench through the corner cover.
Excessively adjusting the height leads to condensation leaks from
the drain pan.
C A U T I O N
Do not move the air louver by hand. The drive mechanism may
be damaged.
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SMGB0063 rev. 1 - 10/2010