15
Donaldson Company, Inc.
1. Turn power off to collector and bleed manifold
pressure to 0-psig.
2. Open access door by turning handles
counterclockwise and swinging door fully open.
3. Remove each locking pin.
4. Rotate each filter retention mechanism
counterclockwise to decompress filters.
5. Detach right side arms and rotate them up and
reinstall locking pins to hold arms in place.
6. Detach left side arms and let them rotate down and
out of the way.
7. Open cradles fully to access filters.
8. Holding filter handle, push filter back towards the
tubesheet and slide the filter towards the center to
clear filter cradle. Remove old filter.
9. Install new filter by angling the back of the filter
toward the outside of the collector and push filter
towards the outside against cradle surface. Slide
filter along the back wall of the cradle until the filter
is fully inserted. Avoid sliding gasket along any
surfaces during installation.
10. After all new filters are installed, close filter cradles
by operating the filter retention mechanism in
reverse order. Position the left side arm onto the left
cradle pin. Remove locking pin from right side arm
and position onto the right side cradle. Rotate filter
retention mechanism clockwise to seal filters and
reinstall locking pins.
If filter retention mechanism is
difficult to close, check that filter
is seated properly in filter cradle (see Step 9).
11. Close door and secure latches.
Step 2
Filter Removal and Replacement