Service - Yard Machines 615 Operator's Manual

SECTION 8: SERVICE
WARNING:
wire and ground against the engine
before performing
maintenance.
Engine
Refer to separate engine manual for all engine
maintenance procedures.
Augers
The augers are secured to the spiral shaft with two
shear bolts and hex lock nuts. See Figure 20. If you hit
a foreign object or ice jam, the snow thrower is
designed so that the bolts will shear.
If the augers will not turn, check to see if the bolts
have sheared. A replacement shear bolt and hex lock
nut have been provided with the snow thrower. When
replacing bolts, spray an oil lubricant into shaft before
inserting new bolts.
Shave plate and skid shoes
The shave plate and skid shoes on the bottom of the
snow thrower are subject to wear. They should be
checked periodically and replaced when necessary.
• To remove skid shoes, remove the four carriage
bolts, cupped washers and hex nuts which
attach them to the snow thrower. Reassemble
new skid shoes with the four carriage bolts,
cupped washers (cupped side goes against skid
shoes) and hex nuts.
• To remove shave plate, remove the carriage
bolts, cupped washers and hex nuts which
attach it to the
Reassemble new shave plate, making sure
heads of the carriage bolts are to the inside of
the housing. Tighten securely.
Belt removal and replacement
WARNING:
from the spark plug and ground. Drain
gasoline from the fuel tank, or place a
piece of plastic film underneath the gas
cap to prevent gasoline from leaking.
Disconnect the spark plug
any repairs
snow thrower housing.
Remove the spark plug wire
Auger belts
• Remove the plastic belt cover on the front of the
or
engine by removing the two self-tapping screws.
See Figure 21.
Belt
Cover
• Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
• Tip the snow thrower up and forward so that it rest
on the housing.
• Remove six self-tapping screws from the frame
cover underneath the snow thrower.
• Roll the front and rear auger belts off the engine
pulley. See Figure 22.
NOTE: 5.0 HP model has only one auger belt.
• Unhook the idler spring from the hex bolt on the
auger housing. See Figure 23.
Rear Auger
Belt
Idler
Pulley
15
Self-Tapping
Screws
Figure 21
Drive
Belt
Engine
Pulley
Auger
Engine
Pulley
Idler
Pulley
Figure 22
Front
Belt