Maintenance; Check V-Belt Tension; Change Engine Oil; Check The Battery - Sears 917.25930 Owner's Manual

Sears st/12 garden tractor owner's manual
Table of Contents

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CUT AWAY
VIEW
ENGINE
0
/
PULLEY
V·BELT
~
_ _ _
.
_BELT.
-
GUARD
~VENT
CAP
~
WASHER
BATTERY
,
'7"
TUBE
BATTERY
CELL
, . - , . . . . . . JJ
FIGUR
E
18
"'-=
..
_-=--
- -=----=--'--""-~
=-=-=-=-=----H
.
6
.
MAINTENANCE
To
keep
your
tractor running
better,
longer; perform necessary
service using the
following Maintenance
Schedule.
Each
t
ime
you
start
your tractor, check
your
Ammeter (Fig.
14).
T
he needle
should
move towards
the
+
(charging)
mark
indicating
t
he
battery is
being
charged
as
you
operate
t
he
tractor.
DISCONNECT SPARK PLUG WIRE
TO
A
PREVENT
ACCIDENTAL STARTING
BE·
FORE
MAKING ANY
INSPECTION,
AD·
JUST MENT (EXCEPT
CARBURETOR
)
OR
REPAIR
.
FIRST
~
HOURS:
1
.CHECK
V·BELTTENSION
A
new
V-Belt may stretch after
the
first
few hours of opera·
tion. If Clutch-Brake Pedal,
in drive
position
(F
ig. 15).
is
considerably
to
the front
or
rear of
the vert ical position,
the V-Belt
is
out
of
adjustment and must be re·t ensioned.
a. Secure Clutch-Brake
pedal
in
brake
position (relaxing
V-Belt
tension)
by
tieing
to front
axle.
b.
Ho ld
Nut on
inside
of
Flat
Idler
and
loosen
Flat
Idler
Bo
lt.
c.
Move Flat Idler in
frame
slot
1/
4
inch
down (to tighten).
up (to loosen)
V -Belt tension. T ighten
Bolt
.
d.
Release
Clutch-Brake
Pedal.
It
should
return to
approxi·
mately
vertical
position.
CHECK TO
MAKE SURE
TRACTOR
DOES
NOT
START
WITHOUT
FULLY
DEPRES·
SING CLUTCH-BRAKE PEDAL.
NOTE
:
FOR
LO
NG
ER
V·BELT
LIFE,
ALWAYS
K
EEP
BELT
TE NSIONED
PROPERLY,
START
TRACTOR
'
MOVEMENT WITH
T
HROTTLE CONTROb
IN.
MIDDLE
POSITION,
A
ND
ALWAYS REPLACE WITH
SEARS
V-BEL
TS.
2.CHANGE ENGINE
01
L
Changing
Oil after the
first two hours
will
help
eliminate
break-in
residue which
might be damaging to your Engine.
Note:
Be
careful not
to
allow
dirt
to
ente.l the Engine
when changing
o
il.
J
~
a.
Drain Oil
with Engine warm. Unscrew
Oil
Drain
Cap
(Fig.
16) and catch
Oil in
a
suitable
container.
Replace
Cap.
b.
Refill
Engine
Oil
(Fig.
17).
In
summer use S.A.E. 30
(SC, SO
or
SE)
Oil.
In winter
(below 32°F.)
use S.A.E.
10W30
(SC,
SO
or
SE) or
10W40
(SC,
SO
or
SE). In
ex·
treme
cold
(below
0°F.) use S.A.E.
5W20
(SC,
SDor
SE).
Capacity is 3
1/2
pints.
NOTE:
DO NOT
OVER·
FILL.
FREQUENTLY:
,..•
1.
CHECK
BATTERY
/
a.
Electrolyte solution
level
in each
Battery
Cell
should be
even
with bottoms of
tubes
in
cells
(Fig.
18)
.
Add
dis·
t
illed
water if necessary. NOTE:
DO
NOT OVERF
IL
L.
b.
Keep Battery
and Terminals clean. Refer
to
page
10.
c.
Keep Battery
bo ts
t
gnt.
d.
Keep
Vent
Caps
t
ight, Washers
n
place and
.smal
l Vent
holes
in
caps open.
e.
Recharge SLOWLY at
3
amperes
'
spec'
c
gravi
ty
of
electrolyte
falls
below 1.225.
2.CHECK
TIRE
PRESSURE
Tire
pressure
in
fro nt
and rear
Tires
shou ld
be
12 pounds.
3
.CLEAN
AIR
SCREEN
A
ir Screen and Guard (Fig.
20)
must
be
kept fr
ee of dirt
and chaf
f to prevent
Engine damage from
overheating .

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