Yard-Man 770-10278 993 Snow Blower Owners Manual by MTD

Changing the Friction Wheel
Shift Rod
Assembly
The rubber on the friction wheel is subject to wear
and should be checked after 25 hours of operation,
and   periodically   thereafter.   Replace   the   friction
wheel rubber if signs of excessive wear or cracking
are found.
Sprocket
Pin
Friction Wheel
Spacer
Assembly
1.
2.
3.
Drain  the  gasoline  from  the  snow  thrower,  or
place a piece of plastic under the gas cap.
Support
Bracket
Tip the snow thrower up and forward, so that it
rests on the housing.
Shaft
Remove six self-tapping screws from the frame
cover underneath the snow thrower.
4.
5.
Remove the wheels from the axle.
Figure 23  
Using  a  7/8”  wrench   hold  the  hex  shaft  and
remove  the  hex  bolts  and  cupped  washer  and
bearing from left side of the frame. See Figure
8.
9.
Position the friction wheel assembly up onto the
pin of the shift rod assembly and slide the shaft
through the friction wheel. See Figure 23.
15.
Hold the friction wheel assembly, and slide
Slide  the   hex  shaft  into   the  hex  I.D.   of  the
sprocket, the spacer and the left ball bearing and
secure with the bell washer and hex bolt.
the  hex  shaft  out  of  the  unit  toward  the  right
hand side.
6.
7.
Remove  the  six  screws  from  the  friction  wheel
assembly (three from each side).
NOTE: Make   sure   the  pin   from   the  shift   arm
assembly  is  assembled  to  the  new  friction  wheel
assembly.
Reassemble  new  bonded  friction  wheel  rubber
to  the  friction  wheel  assembly,  tighten  the  six
screws  in  rotation  and   with  equal  force.  See
Figure 22.
CAUTION: Check    engine    and    snow
thrower frequently for loose nuts, bolts, etc.
and keep these items tightened.
Bonded Friction
Wheel Rubber
Hex Self-tapping
Screws
Figure 22  
SECTION 10:  OFF-SEASON STORAGE
WARNING: Never store engine with fuel
3.   Follow lubrication recommendations on page 10.
in tank indoors or in poorly ventilated areas
where   fuel  fumes   may   reach  an   open
flame, spark or pilot light as on a furnace,
water  heater,  clothes  dryer  or  other  gas
appliance.
4.
Store in a clean, dry area.
NOTE: When storing any type of power equipment
in  an   unventilated   or  metal   storage   shed,  care
should be taken to rust proof the equipment. Using a
light  oil  or  silicone,  coat  the  equipment,  especially
any chains, springs, bearings and cables.
1.
2.
If  unit  is  to  be  stored  over  30  days,  prepare
engine for storage as instructed in the separate
engine manual included with your unit.
Remove  all   dirt  from   exterior  of  engine   and
equipment.
13
Product Specification
CategoriesMTD Snow Blower Manuals, Snow Blower Manuals, Yard Man Snow Blower Manuals
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- 24 pages
Document TypeOwner's Manual
LanguageEnglish
Product Brand993 Series, Yard-Man, Snow Blower
Document File TypePDF
Publishermtdproducts.com
Wikipedia's PageMTD Products
CopyrightAttribution Non-commercial
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