Craftsman 917.28613 Operator's Manual page 18

Lawn tractor 20.0 hp, 46" mower electric start 6 speed transaxle
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MAINTENANCE
SCHEDULE
A
C
T
G
I
N
E
iCheck Brake Operation
3heck Tire Pressure
3heck
Operator
Presence& ROS
System_
3heck for Loose Fasteners
iCheck/Replace
Mower Blades
_ubrication
Chart
Dheck Battery Level
Dlean Battery and Terminals
Dheck Transaxle
Cooling
Dheck Mower Levelness
Dheck V-Belts
iCheck Engine Oil Level
Dhange Engine Oil {with oil filter)
Dhange Engine Oil /without oil filter
Dlean Air Filter
Dlean Air Screen
jlnspect Muffler/Spark
Arrester
jReplace Oil Filter (If equipped)
iClean Engine Cooling Fins
Replace Spark Plug
Replace Air Filter Paper Cartridge
iReplace Fuel Filter
m
BEFORE
EACH
USE
v"
v"
v"
v'
i,,'
m
EVERY
8
HOURS
1 - Change
more often when operating
under a heavy load or
in high ambient
temperatures.
2 - Service
more often when operating
in dirty or dusty conditions.
m
EVERY
25
HOURS
v"
_#JfP 1,2
m
EVERY
50
HOURS
v"
_1,2
v"
m
EVERY
loo
HOURS
v'
v"
_f_,
2
V"2
V'
mm
EVERY
BEFORE
SEASON
STORAGE
=,,,,
v"
if
v"
3 - Replace
blades
more often when mowing
in sandy soil.
4 - Not required
if equipped
with maintenance-free
battery.
GENERAL
RECOMMENDATIONS
The warranty
on this tractor
does not
cover
items that have been subjected
to
operator
abuse
or negligence.
To receive
full value
from the warranty,
operator
must
maintain
tractor
as instructed
in this
manual.
Some
adjustments
will need to be made
periodically
to properly
maintain
your
tractor.
At least once a season,
check
to see if
you should
make any of the adjustments
described
in the Service
and Adjustments
section
of this manual.
At least once
a year you should
replace
the spark
plug, clean
or replace
air filter,
and check
blades
and belts for wear.
A new spark
plug and clean
air filter
assure
proper
air-fuel
mixture
and help
your engine
run better
and last longer.
BEFORE
EACH USE
1.
Check
engine
oil level.
2.
Check
brake
operation.
3.
Check
tire pressure.
4.
Check
operator
presence
and
ROS systems
for proper
operation.
5.
Check
for loose fasteners.
LUBRICATION
CHART
Spindle --
Zerk
_1_Front Wheel
Bearing zerk
_1_Spindle
Zerk
Front Wheel
Bearing zerk
@ Engine
Steerinc
Sector Gear
_ Mandrel
Teeth
Zerks
0_General
Purpose
Grease
@Refer
to Maintenance
"ENGINE"
Section
IMPORTANT:
Do not oil or grease
the
pivot points
which
have special
nylon
bearings.
Viscous
lubricants
will attract
dust and dirt that will shorten
the life of the
self-lubricating
bearings.
If you feel they
must be lubricated,
use only a dry, pow-
dered
graphite
type lubricant
sparingly.
18

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