MTD 31AE993I401 manual Gear Shaft, Gear Case, Auger Shaft, Auger Bearings and Shaft, Engine

Page 13

mechanism at least once a season. Use engine oil or a spray lubricant. Refer to Figure 11.

IMPORTANT: Avoid spillage of oil on rubber friction wheel and aluminum drive plate.

Gear Shaft

•Lubricate the gear shaft with 6-in-1 grease (part number 737-0170) at least once a season, or after every 25 hours of operation. Refer to Figure 11.

IMPORTANT: Keep all grease and oil off the rubber friction wheel and drive plate.

Gear Case

The gear case is lubricated with grease at the factory and it does not require checking.

•If disassembled for any reason, lubricate with 2 ounces of Shell Alvania grease EPR00, part number 737-0168. Before reassembling, remove old sealant and apply new sealant.

IMPORTANT: Do not overfill the gear case, since damage to the seals could result. Be sure the vent plug is free of grease in order to relieve pressure.

Auger Shaft

•At least once a season, remove the shear bolts from the auger shaft and spray lubricant inside the shaft. See Figure 13.

Vent Plug

Shear Bolts

Bearings

Figure 13

Lube Under Chute Base

Chute Crank Spirals

 

Figure 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.

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.

Engine

Refer to the engine manual for instructions.

Discharge Chute

The base of the discharge chute and the spirals on the chute crank should be lubricated at least every 25 hours of use. Apply the lubricant under the base of the chute and where the spirals contact the discharge chute. See Figure 14.

Control Rods

Handle Panel

Lube Cams Here

Figure 15

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Contents MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio Operator’s ManualTable of Contents Training Important Safe Operation PracticesPreparation OperationYour Responsibility Maintenance & StorageAssembling Your Snow Thrower Final Adjustments Chute Clean-Out ToolTraction Control & Shift Lever Auger ControlTire Pressure Pneumatic Tires Traction Control / Auger Control Lock Knowing Your Snow ThrowerShift Lever Discharge ChuteBefore Starting Operating Your Snow ThrowerGas & Oil Fill-Up To Start EngineTo Engage Wheel Drive To Stop EngineTo Engage Augers Operating TipsTraction Control Shift RodMaintaining Your Snow Thrower Gear Case Gear ShaftAuger Shaft Auger Bearings and ShaftServicing Your Snow Thrower Auger Belt Replacing BeltsDrive Belt Changing Friction Wheel RubberSprocket Hex Shaft Hex Hub Safety & Decorative Labels Part Number and LocationProblem Cause Remedy TroubleshootingDescription Parts List for ModelModel Part Description List Color Codes below Please add Model 20 57 05244A Bearing Housing Model Description MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio 44136-0019 Phone MANUFACTURER’S Limited Warranty for

31AE993I401 specifications

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