27
Donaldson Company, Inc.
high inlet
weld
baffle assembly
Baffle Assembly Installation
Filter Removal and Installation
Use proper safety and protective
equipment when removing
contaminants and filters.
Dirty filters may be heavier than they appear.
Use care when removing filters to avoid
personal injury and/or property damage.
Turn power off and lock out all power before
performing service or maintenance work.
Do not operate with missing or damaged filters.
Felt Bag and Cage with Boltsafe Hardware
Filter Removal
1. Properly shutdown the system and lock out electrical
system.
2. Access clean air plenum through door.
3. Loosen bolts (2) from each filter cage flange.
4. Remove cage leaving the bag suspended in dirty air
plenum.
5. Push the bag through the tubesheet into the dirty air
plenum.
6. Repeat steps 4-6 for each bag.
Note: The cleaning arm may need to be manually
rotated to access some bags.
7. Remove all dirty bags through hopper access door.
To access bags under the
cleaning manifold arm, it is
necessary to remove the chain on manifold
drive sprocket to rotate pulse arms for bag and
cage removal.
1. Shut down the system following the recommended
Shut Down sequence found in this manual.
2.. Wear appropriate protective clothing, safety glasses,
dust masks, etc. to avoid contact with hazardous
dust if applicable.
3. Following all installation and hoisting precautions
found in this manual, remove the top cover perimeter
bolts and use a crane to lift and remove the
assembly.
4. Inspect the baffle housing for wear and repair or
replace as required.
5. Clean the top of the housing and re-apply sealer to
the perimeter opening as required.
6. Carefully hoist and install the new baffle assembly
into the baffle housing. When the assembly is
lowered into the housing, it will be guided into a
vertical position by the side angle rails and lower
bottom guides attached to the housing. The baffle
spacer plate will be on or just above the two side
support gussets when properly installed.
7. Tighten bolts, start system, and inspect for leaks.
Inlet Baffle Assembly Replacement
