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OM 0400-A
25
Figure 11b
Figure 11a
Impeller Removing and Reinstallation (figures 11a-11b)
TO REMOVE THE IMPELLER:
1. Figure 11a: If the debris blower is in
storage, remove the round wire lockpin
(item 1). Then remove the 1/4" cotter pin
(item 2), the flat washer (item 3) and the
wheel assembly (item 4). Place the arm
on a small wood block as a temporary
support.
2. Figure 11a: Attach the housing (item 7)
to a hoist with the hook provided on the
housing (item 5). Remove the twelve 3/8"
NC serrated flange nuts (item 6) and
move the housing to the front to take it
out from the impeller.
3. Figure 11b: Remove the 1/2"NC x 1" hex
bolt, the lockwasher and the flat washer
(items 2, 3 and 4) in front of the impeller
(item 1).
4. Figure 11b: Then remove the 1/2"NC x
3 1/2" hex bolt (item 5) and the 1/2"NC
nylon insert locknut (item 6).
5. Figure 11b: The impeller is provided with
an ejection device, so just screw a
3/4"NC x +/- 2 1/2" hex bolt (item 7) that
pushes against the shaft end and ejects
the impeller (item 1).
T
O REINSTALL THE IMPELLER:
1. Figure 11b: Remove the 3/4" x +/- 2 1/2" hex bolt
(item7).
2. Figure 11b: Apply grease on the shaft to
facilitate the reinstallation. Make sure to align the
hole in the impeller with the hole on the shaft,
where the 1/2"NC x 3 1/2" hex bolt was installed
(item 5). A light punch on the impeller should be
enough to insert it on the shaft.
3. Figure 11b: Attach with the 1/2"NC x 1" hex bolt,
the lockwasher and the flat washer (items 2, 3
and 4) in front of the impeller.
4. Figure 11b: Then attach the impeller with the
1/2"NC x 3 1/2" hex bolt (item 5) and the 1/2"NC
nylon insert locknut (item 6).
5. Figure 11a: Reinstall the front housing and the
wheels (follow the preceding procedure in
reverse).