Yard-Man 31AE993I401 Snow Blower Owners Manual by MTD

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.
Lube Under Chute Base
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.
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:
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
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.
Shear Bolts
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.
Bearings
Figure 13
Engine
Handle Panel
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.
Lube Cams Here
Control Rods
Figure 15
13
Product Specification
CategoriesMTD Snow Blower Manuals, Snow Blower Manuals, Yard Man Snow Blower Manuals
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- 28 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandYard-Man, 31AE993I401, Snow Blower
Document File TypePDF
Publishermtdproducts.com
Wikipedia's PageMTD Products
CopyrightAttribution Non-commercial
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