Craftsman 917270721 tractor

User Manual - Page 20

For 917270721.

PDF File Manual, 64 pages, Download pdf file

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TRACTOR
Alwaysobservesafetyruleswhenper-
formingany maintenance.
BRAKEOPERATION
Iftractorrequiresmorethansix(6)feet
stoppingdistanceathighspeedin highest
gear,thenbrakemustbeadjusted.(See
"TOADJUSTBRAKE"in theServiceand
Adjustmentssectionofthismanual).
TIRES
Maintainproperairpressurein alltires
(See "PRODUCT SPECIFICATIONS"
on page 5 of this manual).
Keep tires free of gasoline, oil, or insect
control chemicals which can harm rub-
ber,
, Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
NOTE: To seal tire punctures and prevent
flat tires due to slow leaks, tire sealant
may be purchased from your local parts
dealer. Tire sealant also prevents tire dry
rot and corrosion.
BLADE CARE
For best results mower blades must be
kept sharp. Replace bent or damaged
blades.
BLADE REMOVAL
Raise mower to highest position to allow
access to blades.
Remove hex bolt, lock washer and fiat
washer securing blade.
° Install new or resharpened blade with
trailing edge up towards deck as shown.
Reassemble hex bolt, lock washer and
fiat washer in exact order as shown.
Tighten bolt securely (27-35 Ft. Lbs.
torque).
IMPORTANT: Blade bolt is Grade 8 heat
treated
Blade _ Mandrel
X _._" Assemb,y
F,at Washerb%_l ''_'_ Trailing
........x,_-._._... Edge Up
LOck Washer .__.
Hex Bolt (Grade 8)L._ -'-h_._
"A Grade 8 heat treated bolt can be
identified by six lines on the bolt head
20
TO _IIAIIHI:N _LAUI:,
NOTE: We do not recommend sharpening
blade, but if you do, be sure the blade ls
balanced_
Care should be taken to keep the blade
balanced. An unbalanced blade will cause
excessive vibration and eventual damage
to mower and engine.
The blade can be sharpened with a file
or on a grinding wheel. Do not altempt
to sharpen while it is on the mower.
To check blade balance, you will need a
5/8" diameter steel bolt, pin, or a cone
bafancer. (When using a cone balancer,
follow the instructions suppt#ed with bal-
ancer).
NOTE: Do not use a nail for balancing
blade. The lobes of the center hole may
appear to be centered, but are not.
Slide blade onto an unthreaded portion
of the steel bolt or pin and hold the bolt
or pin parallel with the ground. If b{ade
is balanced, it should remain in a hori-
zontal position° If either end of the blade
moves downward, sharpen the heavy
end until the blade is balanced.
Center Hole
5/8""Bolt
or Pin
Blade
BATTERY
Your tractor has a battery charging system
which is sufficient for normal use, Howev-
er, periodic charging of the batlery with an
automotive charger will extend its lifeo
Keep battery and terminals clean.
, Keep battery bolts tighl.
, Keep small vent holes open.
Recharge at 6-10 amperes lor 1 hour.
NOTE: The original equipment battery on
your tractor is maintenance free. Do not
attempt to open or remove caps or covers.
Adding or checking/evet of electrolyte is
not necessary.
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and ter-
minals can cause the battery to "leak"
power.
. Open battery box door.
Disconnect BLACK battery cable first
then RED batter/cable and remove
battery from tractor.
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