CHAPTER 21
PAGE 5
PAGE DATE: 1. August 2014
MAINTENANCE MANUAL EXTRA 330/SC
21-40-01 Inlet Box
Removal/Installation
Refer to Figure 2.
1 Remove engine cowlings as per Chapter 71.
2 Remove bottom fuselage cover as per Chapter 53.
3 Loosen the hose clamp (8).
4 Disconnect the hose (9) from the inlet box (7).
5 Loosen the Bowden cable attachment bolt (6).
6 Disconnect the Bowden cable (5) from the linkage.
Firewall
Exhaust muffler
fwd
Bottom view
1
2
3
2
1
6
7
5
9
8
4
Figure 2 Heating Boxes
N O T E When removing the inlet box, the distribution box is
also unfastened. Both boxes are attached by the same
bolts.
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