Model 380 Two Stage Snow Thrower
8
13.
IMPELLER REMOVAL
13.1. Remove the auger and impeller as described in
Section 11.
13.2. Using a 3/16 punch and hammer, remove the
front spiral pin securing the impeller to the worm
shaft. See Figure 13.2.
13.3. Slide the impeller on the worm shaft towards the
reducer housing to gain access to the rear spiral
pin.
13.4. Using a 3/16 punch and hammer, remove the
rear spiral pin. See Figure 13.4.
13.5. Remove the impeller from the worm shaft.
14.
REDUCER TRANSMISSION
14.1. The reducer can be serviced. It can also be pur-
chased as an assembly. See Figure 14.1.
NOTE:
On the top of the gearbox is inspection
and access hole for adding grease when and if
required. Remove the rubber grommet from the
lubrication port.
15.
REDUCTION TRANSMISSION DISASSEMBLY
15.1. Using a 3/8” socket, remove the 5 TT screws
securing the reducer halves together. See Fig-
ure 15.1.
Figure 13.2
Impeller
Spiral Pin
Figure 13.4
Rear Spiral Pin
Figure 14.1
Reducer Transmission
Rubber Grommet
Figure 15.1
5 TT Screws
