31
Donaldson Company, Inc.
Plenum Silencer, TRB
Top Mount
1. Apply sealant and attach the bottom panel to the
collector as described on the assembly drawing
shipped with the silencer using a combination of
hardware removed from the collector and hardware
supplied.
2. Install the fan and motor assembly as described in
the Power Pack section and the assembly drawing.
3. Route rigid or flexible conduit from the junction box
on the motor to the outside wall of the silencer to
house wiring.
4. Install the top of the silencer and attach silencer to
base using the supplied hardware.
5. Loosen the wing nut on the damper and adjust from
30 to 50% closed.
collector
sealant
flat washer
3/8-16 x 1-in
bolt
abrasion
resistant
inlet collar
bottom
cover
Abrasion-Resistant Inlet Collar
Abrasion-Resistant Inlet Collar
1. Remove the collector’s front cover plate. Remove
excess sealant from opening.
2. Apply 1/4-in sealant around the opening toward the
inside-edge of the bolt pattern.
3. Align the holes on the inlet collar with the holes in
the collector and secure using 3/8-16 x 1-in bolts and
flat washers supplied.
Typical Top Mount Chamber Silencer
top mount
chamber silencer
