Cub Cadet 850 SWE Benutzerhandbuch

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Figure 11
Gear Case
The gear case is equipped with a grease fitting on the 
left housing and should be lubricated with Shell Alvania 
grease EPR00, part number 737-0168 every 25 hours. 
See Figure 12.
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.
Auger Shaft
At least once a season, remove the shear bolts on the 
auger shaft. Spray lubricant inside the shaft. Also 
lubricate the plastic auger bearings at least once a 
season and grease the fittings on the end of the auger 
shaft with a standard grease gun. See Figure 12.
Figure 12
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.
Engine
Refer to the separate engine manual packed with your 
unit for all engine maintenance procedures.
Augers
The augers are secured to the spiral shaft with two 
shear bolts and hex lock nuts. If you hit a hard 
foreign object or ice jam, the snow thrower is 
designed so that the bolts may shear.
Refer to  Figure 12.
If the augers will not turn, check to see if the bolts 
have sheared. Replacement shear bolts and hex 
lock nuts have been provided with the snow 
thrower. When replacing bolts, spray an oil 
lubricant into shaft before inserting new bolts.
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. To 
remove the skid shoes, proceed as follows:
Remove the six carriage bolts, bell washers, and 
hex nuts which attach them to the snow thrower.
Reassemble new skid shoes with the six carriage 
bolts, bell washers (cupped side goes against skid 
shoes) and hex nuts. Make certain the skid shoes 
are adjusted to be level.
To remove shave plate, remove the carriage bolts, bell 
washers, and hex nuts which attach it to the snow 
thrower housing. Reassemble new shave plate, making 
sure heads of the carriage bolts are to the inside of the 
housing. Tighten securely.
Belt Removal And Replacement
Auger Belts
Remove the plastic belt cover at the front of the 
engine by removing the two self-tapping screws. 
See Figure 13.
Drain the gasoline from the snow thrower, or place 
a piece of plastic film under the gas cap.
Tip the snow thrower up and forward so that it rests 
on its auger housing.
Lube Gear &
Chute Base
Grease Fitting
Vent Plug
Shear Bolts
Plastic
Bearing
Plastic
Bearing