Yard-man 31AE993I401 User Manual download pdf (Page 14)

Auger Bearings and Shaft

Every season lubricate the auger bearings and the

bearings on the side of the frame with light oil. See to

Figure 13.

Use oil or spray lubricant into the bearings at the

wheels at least once a season. Remove the wheels,

one side at a time, and clean and coat axles with multi-

purpose automotive grease.

Lubricate the auger shaft at least once a season. To do

this:

• Remove the shear bolts on the auger shaft.

• Oil or spray lubricant inside shaft.

• Carefully spin the auger around by hand to

disperse the lubricant.

• Reinstall the shear bolts.

Check Friction Wheel Rubber

Follow the instructions below to check the condition of

the friction wheel rubber every 25 hours of operation.

• Remove the six self-tapping screws from the frame

cover underneath the snow thrower.

• Visually inspect the friction wheel rubber for

excessive wear, cracks, or loose fit on the friction

wheel drive hub.

• Also engage the traction control and check if the

friction wheel is making contact with the friction

plate.

• If it does not make contact, adjust the traction drive

cable following instructions and recheck the friction

wheel.

• Replace friction wheel rubber if necessary. Refer to

instructions in Service Section.

Check V-Belts

Follow the instructions below to check the condition of

the drive belts every 50 hours of operation.

• Remove the plastic belt cover on the front of the

engine by removing the three self-tapping screws.

• Visually inspect for frayed, cracked, or excessively

worn out belts.

• Replace belts as necessary as outlined in Servicing

your snow thrower.

Traction Control / Auger Control Lock

The cams on the ends of the control rods which

interlock the traction drive and auger drive clutches

must be lubricated at least once a season or every 25

hours of operation using a multi-purpose automotive

grease. The cams can be accessed beneath the handle

panel. See Figure 15.

Figure 15

SECTION 7: SERVICING YOUR SNOW THROWER

WARNING: Before servicing, repairing, or

inspecting, disengage all clutch levers and

stop engine. Wait until all moving parts have

come to a complete stop. Disconnect spark

plug wire and ground it against the engine to

prevent unintended starting.

Augers

The augers are secured to the spiral shaft with two

shear bolts and hex lock nuts. If you hit a foreign object

or ice jam, the snow thrower is designed so that the

bolts may shear. See Figure 16.

If the augers do not turn, check if the bolts have

sheared. Two replacement shear bolts and hex lock

nuts have been provided with the snow thrower. Refer

to Loose Parts in the Assembly Section.

IMPORTANT:

NEVER replace the auger shear bolts with

standard hex bolts. Any damage to the auger gearbox

or other components, as a result of doing so, will NOT

be covered by your snow thrower’s warranty.

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.

NOTE: The skid shoes on this machine have two wear

edges. When one side wears out, they can be rotated

180° to use the other edge.

Lube Cams Here

Handle Panel

Control Rods

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 27 28

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Yard-man 31AE993I401 User Manual Page 14

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