Model 380 Two Stage Snow Thrower
6
10.1. Using a ½” socket and ratchet, remove the lock
bolt securing the auger pulley to the auger gear-
box drive shaft. See Figure 10.1.
NOTE:
Use a drive belt to apply pressure to the
auger pulley and hold in place during removal of
the lock bolt.
10.2. Inspect the idler arm, flat idler pulley, tension
spring and cable for proper operation. Lubricate
between the idler arm and auger housing at any
point of contact. See Figure 10.2.
11.
AUGER AND IMPELLER REMOVAL
11.1. Remove the wheels to ease removal of the
transmission. See section 7.
11.2. Remove the Transmission. Refer to Section 9.
11.3. Remove the Auger Pulley. Refer to Section 10.
11.4. Using a 1/2” socket, remove the three hex nuts
and lock washers securing the bearing housing
to the auger housing. Set the bearing housing
aside. See Figure 11.4.
NOTE:
The order of parts in this group are bear-
ing housing, bearing, shim and spacer.
11.5. Tip the unit back and down so it rests on the
drive housing.
11.6. Using a 1/2” socket, remove the six AB Screws
and bell washers securing the auger assembly
to the sides of the auger housing. See Figure
11.6.
Figure 10.1
Lock Bolt
Auger Pulley
Figure 10.2
Lubricate under idler arm
Flat Idler Pulley
Tension Spring and Cable
Extension Spring
Figure 11.4
Bearing Housing
Hex Nuts and Lock Washers
Figure 11.6
AB Screws
