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BUSHING INSTALLATION
Install brass bushing in
13
⁄32” diameter hole by sliding threaded end of
bushing through the cover from front of cover so that the threaded
end of the bushing is entirely on the inside of the cover (see illustra-
tion of bushing in Figure 5). Fasten bushing with brass bushing nut
supplied and tighten.
DAMPER HINGE INSTALLATION
Slide damper hinges onto damper as illustrated in Figure 3. Two
hinges are supplied with damper for covers 3
1
/2 ft. long and under,
and three hinges are supplied for 4 ft. and over.
ATTACHING DAMPER TO COVER
1. Place cover on workbench or floor with inside of cover up and top of
cover away from you against a stop.
2. Center damper over inside of Multi/Pak 90 or JA cover, approximately
lining up the lead screw nut housing in the damper over the bushing
in cover.
3. Slide one damper hinge so that it lines up between the first and
second row of louvers at each end of the cover. The third hinge (if
cover is 4 ft. or over) should be lined up between the two centermost
rows of louvers.
4. Position top of each damper hinge so that it presses against inter-
section of top of cover and cover top flange (see Figure 4).
5. Grasp damper firmly and lift as shown in Figure 4 and push damper
towards the top of cover while rotating damper just enough to be able
to snap bottom of damper hinge into space between the second and
third louver blades of the first and second row of louvers.
6. Repeat for other damper hinges.
DAMPER KNOB AND LEAD SCREW
ASSEMBLY INSTRUCTIONS
1. Screw LEAD SCREW into LEAD SCREW NUT about 10 turns clock-
wise in direction shown.
2. Line up LEAD SCREW with BUSHING hole by sliding DAMPER left
or right.
3. Swing DAMPER toward COVER and guide LEAD SCREW through
BUSHING hole until beginning of SCREW thread is against BUSHING
and SCREW EXTENSION protrudes through front of COVER. Hold in
place and proceed to step 4.
4. Place KNOB onto SCREW EXTENSION and line up Allen head SET
SCREW in KNOB with FLAT of SCREW EXTENSION and tighten set
screw with an Allen wrench.
FIGURE 3
FIGURE 4
FIGURE 5
SLANT/FIN CORPORATION, Greenvale, N.Y. 11548 • Phone: (516) 484-2600
FAX: (516) 484-5921 • Canada: Slant/Fin LTD/LTEE, Mississauga, Ontario
www.slantfin.com