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2-18 Impeller Blade Removal/Replacement
To Remove: First remove the 5/16"-24 x 1-1/2" HHCS GR8 P#(K1465) (#1), Taper-Lock Bushing Washer P#(K0284)
(#3) and (2) Spacer Bushings P#(S0159) (#4) from the Taper-Lock Bushing P#(S0157) (#5). See Figure 2-18. Next
remove the (2) 1/4"-20 x 1" HHCS (#2) and place them into the threaded holes of the Taper-Lock Bushing (#5).
Gradually thread each bolt evenly into the Taper-Lock Bushing, forcing the Impeller Blade to break-away from the
Taper-Lock Bushing. If the Impeller Blade will not move, carefully hit the base of the Impeller Blade, between each
vein, with a hammer, then try again.
To Replace: Place Impeller Blade over the engine shaft. Slide the Taper-Lock Bushing P#(S0157) (#5) on to the
engine shaft and into the Impeller Blade, aligning the non-threaded holes of the Taper-Lock Bushing to the threaded
holes of the Impeller Blade. Fasten by using (2) 1/4"-20 x 1" HHCS (#2), (2) Spacer Bushing P#(S0159) (#4) (1)
Taper-Lock Bushing Washer P#(K0284) (#3), and (1) 5/16"-24 x 1-1/2" HHCS P#(K1465) (#1). Torque to the proper
specifications in the torque chart within the last pages of this manual. Next, rotate the Impeller Blade to ensure that
the Blade is clear of contact on all sides of the Blower Housing.
Figure 2-18
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