Donaldson Torit DFT 2-8 - Damper and Silencer, TBI

Downflo II, Model DFT 2-8 through 4-128
37
Damper and Silencer, TBI
1. Install the power pack as described in Power
Pack.
2. Attach the damper to the fan exhaust outlet
using the bolts, washers, and hex nuts supplied.
3. Attach the flange to the damper using the bolts,
washers, and hex nuts supplied.
4. Apply sealant to the flange and attach silencer to
flange. Tighten all hardware.
5. Loosely assemble the silencers support brackets.
Support Brackets, Top Mount
a. Align the pivoting support brackets to
extend a minimum of 30-inches from the
collector and mark the drill locations.
b. Drill pilot holes with a 0.339-inch bit.
c. Secure brackets using 3/8-in thread-forming
bolts.
d. If a gap exists between the silencer and the
damper, install the panel filer using the
screws provided.
Support Brackets, Side Mount
a. Align the support bracket to the underside of
the silencer, flush with the cabinet wall, and
mark the drill locations.
b. Drill pilot holes with a 0.339-inch bit.
c. Secure brackets using 3/8-in thread-forming
bolts.
6. Loosen the wing nut on the damper and adjust
to approximately 50% closed.
Side and Top-Mount Silencer and Damper Installation
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