MTD H660G manual Maintaining Your Snow Thrower, Lubrication

Page 13

Both Wheels Driving: Insert the click pin through the hole in the hub of the rim and the inside hole on the snow thrower’s right axle. This position is good for heavy snow as there is power drive in both wheels.

IMPORTANT: Never operate the snow thrower with the click pin inserted through both the rim and the outside hole in the axle. Doing so can result in serious damage to the drive system.

SECTION 6: MAINTAINING 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.

Lubrication

Engine

Refer to the engine manual for maintenance procedures and instructions.

WARNING: When following instructions in the engine manual for draining oil, be sure to protect frame to avoid oil dripping onto transmission parts.

Gear Shaft

Lubricate the gear shaft with a good all-weather multi-purpose light grease at least once a season or after every 25 hours of operation.

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

Gear Case

The auger gearbox has been filled with grease at the factory. If disassembled for repairs, lubricate with 1-1/2 ounces of grease, part no. 737-0168.

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

Wheels

Oil or spray lubricant into bearings at least once a season. Pull the klick pins and remove wheels, clean and coat axles with a multipurpose automotive grease. See Figure 16.

 

Klick Pin

Axle

 

Figure 16

13

Auger Shaft

At least once a season, remove shear bolts on auger shaft. Oil or spray lubricant inside shaft. Also lubricate the auger bearings at least once a season. See Figure 17.

 

Shear Bolts

Bearings

Bearings

Figure 17

Chute Directional Control

The worm gear on the chute directional control should be greased with multipurpose automotive grease.

Drive and Shifting Mechanism

Remove rear cover. Oil any chains, sprockets, gears, bearings, shafts, and shifting mechanism at least once a season. Use engine oil or a spray lubricant. Avoid getting oil on rubber friction wheel and aluminum drive plate. See Figure 18.

 

 

 

Chain

 

 

 

 

Shift Lever

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Avoid oil on

Gear Shaftfriction wheel and drive plate

Figure 18

Image 13
Contents Operator’s Manual Table of Contents Training Important Safe Operation PracticesMaintenance and Storage Assembling Your Snow Thrower AssemblyLoose Parts Shift Lever Know Your Snow ThrowerAuger/Traction Control Chute Directional ControlChute Clean-Out Tool Heated Handles SwitchIgnition Key Fuel Shut-Off Valve optional equipmentBefore Starting Operating Your Snow ThrowerGas And Oil Fill-up Starting EngineTo Engage Drive To Stop EngineTo Engage Augers To prevent starter freeze-upOperating Tips Traction Control and Shift Lever Tire Pressure Pneumatic TiresShift Rod Chute AssemblyAuger Control Skid ShoesLubrication Maintaining Your Snow ThrowerBelt Replacement Shave Plate and Skid Shoes ServiceEngine AugersDrive Belt OFF-SEASON Storage Changing Friction Wheel RubberTrouble Possible Causes Corrective Action Trouble Shooting GuideParts List Model H660G Drive Clutch Cable Auger Clutch Cable Part Description 4647 3813 Model H660G MANUFACTURER’S Limited Warranty for