Chappee NXR3 Installation And Maintenance Manual page 12

3 . 5 Operational assembly diagram (continued)
Operation
Open the "casing" parcel
Rear spacer (50)
(see figure 15)
Body insulation blanket (33)
(see figure 12)
Lower rear (51)
Lower foot (52)
Cross-member (53)
Right side-rail (54)
Left side rail (55)
Casing sides assembly
Front
Rear
A B
Fig. 13
Nb. of elements
Front
Middle
Rear
Réf. : CI - 405 - A
• Screw the hexagonal spacers on the rear section's 3 spacer pads, and place on each
spacer a TH M 5 x 10 screw.
• Place the lower heat-insulator (cross-shaped, 50 mm thick on black veil) under the
heat chamber taking care to jam the ends between the assembly linkages and the
chamber.
• Casing the whole of the chamber by the side insulation (50 mm thick) and tuck
its ends under the chamber (see figure 12).
• On the rear section, insert insulation (100 mm thick) on the spacers.
• NOTE : for exchangers with 8 or 9 sections, the side insulation is supplied in 2 parts
to be positioned side-by-side, the large part towards the front.
• Engage the lower rear on the three spacers and secure it by tightening the 3 screws.
• Mount both lower feet on the front section (2 screws HM 8 x 16).
• Mount the cross sections on the assembly linkages, fasten them using the counter-
nuts HM 12. The front cross-member is provided with a protection clip (110 mm long)
with a plastic collar and a NUT nut.
• Laterally secure the side rails on the cross-members using bolts HM 8 x 16 (square
hole to the front).
Front
Middle
A C
7
4 5 6
300 300 300 300 300
A
510 510
C
514 684
514 684 854
B
Rear
B
8 9
300
510
854
Fig. 14
12
Method
Front casings assembly