Murray 612100 4NA Serie Manuel De L'utilisateur page 10

S Remove lock nut and flat washer found on the right side of
housing. Figure 14.
S Remove bolt and metal bearing, from inside of housing.
Figure 15.
S Gently pull impeller out from the right side. Figure 15.
S Insert new impeller so as to engage with the driven pulley.
Figure 15.
S Insert bolt with metal bearing, from the inside of the housing.
Figure 15.
S Fasten with lock nut and flat washer.
S Rotate impeller a few turns by hand, to ensure proper
operation.
CAUTION: Failure of impeller to spin freely may result in
serious motor damage. Ensure proper operation prior to
starting the snow shovel.
S Re–attach upper housing to lower housing using the eleven
(11) screws. Fasten Securely.
Replacing Scraper Bar
To replace a damaged or worn scraper bar, proceed as follows:
S Remove the three(3) lock nuts securing the scraper bar.
Figure 16.
S Remove the old scraper bar.
S Install new scraper bar the same way the old blade came off.
Figure 16.
S Secure scraper bar into position by fastening it with the
three(3) lock nuts. Fasten securely.
S Rotate impeller a few turns by hand, to ensure proper
operation.
F-041073C
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MAINTENANCE
10
Lock Nut
& Flat Washer
Right
Side
Metal
Bearing
Nylock Nuts
Figure 14
Impeller Engaged
Figure 15
With Driven Pulley
Figure 16