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Impeller Blade Removal/Replacement
To Remove: First remove the 3/8"-24 x 1" GR8 HHCS P#(K0003) (#1), 3/8" Double Indented Washer P#(K0284) (#2)
and (1) Tapered Washer P#(K0277) (#3) from the Taper-Lock Bushing P#(S4302) (#5). Next remove the (2) 1/4"-20 x
1" HHCS P#(K1225) (#4) 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 blade to break-away from the Taper-Lock Bushing. If the
Impeller will not move, carefully hit the base of the Impeller, between each vein, with a hammer, then try again.
To Replace: Firstly, start by applying anti-seize to the 3/8"-24 x 1" GR8 HHCS (#1) and set it aside. Then, place the
Impeller Blade over the engine shaft. Slide the Taper-Lock Bushing (#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 (#4), (1) Tapered Washer (#3), (1) 3/8" Double Indented Washer (#2), and (1) 3/8"-24
x 1" GR8 HHCS (#1). Torque to the proper specifications in the torque chart on the back 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 A
Blower Cone Installation
Thread (1) 5/16"-18 Jam Nut P#(K0120) onto each end of (2) 5/16"-18 x 2-1/2" HHCS P#(K0125), refer to Figure A.
Next, partially thread (1) bolt into each of the two threaded bosses located on the Blower Housing. Position the
Blower Cone so the tabs line up with the bolts and tighten completely, refer to Figure B. Once the (2) bolts are tight,
tighten the Jam Nuts against the threaded boss, refer to Figure C. See Figure D for proper Blower Cone installation.
Figure A
Thread (1) Jam Nut
Onto Each 5/16"-18 Bolt
Figure B
Threaded
Boss
Blower
Cone Tab
Figure C
(2nd) Tighten
Jam Nut
Figure D
Blower
Cone
(1st) Tighten
Bolt
35
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