Replacing The Impeller Shear Bolt - Yamaha YS1070T Owner's Manual

Periodic maintenance
5-15
Tightening torque:
NOTICE
1
• Repeated impacts on the damper will cause it to
wear out over time and protrude from the shear
bolt guard. Check visually the protrusion of the
damper from the shear bolt guard and the posi-
tion of the shear bolt guard pin. When the devia-
2
tion of the shear bolt guard pin from the center of
1
the damper is as shown, the damper should be
replaced. Have a Yamaha dealer replace the part.
• If you keep operating the Snowblower with the
damper protruding from the shear bolt guard, the
shear bolt could break.
• Tighten the locknuts to the specified torque.
2
Shear bolts may be damaged if they are loosely
installed.
• Use genuine shear bolts only.
A Normal
B Time of replacement
1. Shear bolt guard pin
2. Damper

Replacing the impeller shear bolt

• Do not look into or put your hands near the
impeller or auger when they are rotating.
• When removing snow lodged in a rotating part
with the clean-out tool (lodged snow remover),
stop the engine, remove the engine switch key,
and wait until all moving parts have stopped.
• Position the Snowblower on a level surface.
• Wear gloves when using the clean-out tool
(lodged snow remover) to avoid injuries.
1.
Locknut:
10 N·m (1.0 kgf·m)
WARNING
Stop the engine and remove the engine switch key.