Donaldson Torit DFO 2-4, Installation And Operation Manual

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Donaldson Company, Inc.
Damper Installation
A damper can be added to the power pack outlet to limit
and regulate airflow when unit is in operation.
Radial Blade
1. Apply 1/4-in diameter bead of sealant toward the
inside edge of the bolt pattern on both sides of the
spacer ring.
2. Position the spacer ring on the unit’s clean-air outlet
and align bolt patterns.
3. Apply silicone sealant, supplied with blower, around
the blower outlet.
4. Slide the damper collar over the blower outlet and
secure using four equally spaced self-drilling screws
supplied.
5. Loosen the wing nut on the damper and adjust from
30 to 50% closed.
Backward Inclined
1. Apply sealant around the inside edge of the bolt
pattern on the power pack outlet.
2. Fasten damper to the blower outlet using the
hardware provided.
Exhaust Grid Installation
Radial Blade
1. Fit the exhaust grid over the radial blade outlet or the
damper assembly, if equipped.
2. Fasten using three self-drilling screws supplied.
Backward Inclined
1. Attach flanges to the backward inclined outlet using
the fasteners supplied.
2. Fasten exhaust grid to flanges using the supplied
fasteners.
radial blade
power pack
sealant
spacer ring
sealant
damper
Radial Blade Power Pack with Damper
Damper for Backward Inclined Power Pack