Bolens MTD Manuale Di Servizio

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

Refer to the separate engine manual packed with your 
unit for all engine maintenance.

Gear Shaft
The gear (hex) shaft should be lubricated at least once 
a season or after every 25 hours of operation. 
1.  Remove the lower frame cover by removing the two 

screws which secure it.

2.  Apply a light coating of an all-weather multi-purpose 

grease to the hex shaft. See Figure 17.

Wheels
At least once a season, remove both wheels. Clean and 
coat the axles with a multipurpose automotive grease 
before reinstalling wheels.

Chute Directional Control
Once a season, the joystick should be lubricated with 
petroleum jelly, linseed oil, mineral oil, paraffin wax or 
3-in-1 oil.

Engine
Refer to the separate engine manual packed with your 
unit for all engine lubrication instructions.

Auger Shaft
At least once a season, remove the shear pins on auger 
shaft. Spray lubricant inside shaft, around the spacers. 
Also lubricate the flange bearings found at either end of 
the shaft. See Figure 18. 

Gear Case
The auger gear case has been filled with grease at 
the factory. If disassembled for any reason, lubricate 
with two ounces of grease (Part Number 737-0168). 
Before reassembling, remove old sealant and apply new 
sealant.

NOTE: 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. 

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.

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 skid shoes:
1.  Remove the four carriage bolts and hex flange nuts 

which secure them to the snow thrower. 

2.  Reassemble new skid shoes with the four carriage 

bolts (two on each side) and hex flange nuts. Refer 
to Figure 19.

Do not overfill the gear 
case. Damage to the 
seals could result.

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To remove shave plate:
1.  Remove the carriage bolts and hex nuts which attach 

it and the skid shoes to the snow thrower housing. 

2.  Reassemble new shave plate, making sure heads of 

carriage bolts are to the inside of housing. Tighten 
securely.