Every 50 Hours - Sears 917.254420 Owner's Manual

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Engage
parking
brake
f _
inposition.
If belt begins
parking
brake,
depress
notch
on parking
Shut engine
off., Rotate
g.
(f'-_",) by hand,
turning
until tight_ Tighten
at clevis
(C) [Fig. 22).
hoReinstall
shift
cover plate
screws
Replace
cover plate/fremovedin
2.
Tire Care
Maintain
tire pressure infront
at
10PSI.
3,
Blade Care
For best results
mower
blades
blades
can besharpened
onagrinding
wheel,
Wesuggest
every
25 hours
of mowing°
while
on mower,
a.
When grinding, care should
tain
blade
balance
checked
for proper
on mower
b_
Unbalanced
or bent
vibration
when running
mower
or engine,
blades.
Tocheck
bladebalance,
Leaveabout
oneinchof
thestraight
center holeof cleanbladeover
23). NOTE: CENTERHOLEOFBLADEONNAIL
BLADEISPROPERLYBALANCED,
MAININPOSITIONSHOWNINFIG.
OFTHEBLADEMOVESDOWNWARD,
BALANCED, SHARPENTHEHEAVYENDUNTIL
BLADEISBALANCED°
Every 50 Hours (Once aMowing
(Operating industyconditions may requiremore frequent
servicing)
1.
Check Battery
a.
Electrolyte
solution
should
be even
(Fig. 24). Add only distilled
NOTE: DONOTOVERFILL,
boKeep
battery
and terminals
78.
co
Keep battery
bolts
d,
Keep
vent
caps
caps open.
e.
Recharge at 6amperes
tohold
clutch/brake
tomove
after engaging
clutch/brake
pedal tonext
brake.
brake rod (B) clockwise
brake rod into clevis
(G) onbrake
rod. (t9)
jamnut
and four (4) mounting
step (b)
at 14PSI
and rear tires
must
bekept
sharp_ The
with afew
strokes
of afileor
they besharpened
Donot
attempt
tosharpen
be taken
to main-
and
the blade
should
balance
before reinstallation
blade
will cause excessive
andeventual
damage
Replace
bent
or damaged
driveanail
intoabeamor
nail exposed.. Place
theheadof
thenail (Fig.
BLADESHOULDRE-
23. IFEITHEREND
BLADEISNOT
Season)
level
ineach
battery
with
bottoms
of tubes
incells
water
if necessary°
DONOTADDACIDo
clean° Refer topage
tight.
tight
and small
vent
holes
for t hour if necessary,
MAINTENANCE
pedal
CUT
AWAY
(C),
INNER
SAFETY
COVER
after
be
to
wall.
IF
THE
2,
Clean A# Filter
a, Unscrew knob (Fi# 25) toremovecover.
b.
Removepolyurethane
cell
c.
Washfoampre-cleaner
d.. Rinse, squeeze (rather thantwist)
throughly° (Fig. 25A)..
e.
Coat with threetablespoons
oil squeezetodistributeevenly
excess°
fo
Check paper c_rtridg#.
dirty.
go Reassemble paper cqqri#ge andre-positionon
in
tractor.
FILTER REMOVED
DAMAGE THEENGINE.
17
VIEW
ELEMENT
pre-cleaner
indetergent
of S.A.E. 30engine
!_eplaceff
NOTE: NEVI_R_!qNENGINEWITHAIR
AS-plRT
VENTCAP
BATTERY
'TUBE
BATTERY
CELL
FIGURE 24
_NUT
COVER
ELEMENT
COVER
POLYURETHANE
PRE-CLEANER
PAPER
BASE
FIGURE25
FIGURE25A
andwater,
allowtodry
andsqueezeout
excessively
(DUS}T) WILL

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