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Craftsman 917.370540 Owner's Manual page 16

Rotary lawn mower 625 series briggs & stratton engine power-propelled 21" multi-cut

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CLEANING
IMPORTANT:Forbest performance,keep
mowerhousingfree of built-upgrass and
trash•Cleanthe undersideof your mower
aftereach use.
_iLCAUTION:
Disconnect
spark plug wire
from spark plug and place wire where
it
cannot come in contact
with plug.
• Clean
underside
of mower
by scraping
to remove
build-up
of grass
and trash•
• Clean engine
often to keep trash from
accumulating.
A clogged
engine
runs
hotter and shortens
engine
life.
• Keep finished
surfaces
and wheels
free
of all gasoline,
oil, etc.
• We do not recommend
using a garden
hose to clean
lawn mower unless
the
electrical
system,
muffler,
air filter and
carburetor
are covered
to keep water
out.
Water
in engine
can result in short-
ened engine
life.
CLEAN
UNDER
DRIVE
COVER
Clean under drive cover at least twice a sea-
son. Scrape
underside
of cover with putty
knife or similar
tool to remove
any build-up
of trash or grass on underside
of drive cover•
_WARNING:
To avoid serious
injury,
before performing
any service
or adjust-
ments:
1.
Release
control
bar and stop engine•
2.
Make sure the blade and all moving
parts have completely
stopped•
3.
Disconnect
spark plug wire from spark
plug and place wire where
it cannot
come in contact
with plug.
4.
Remove
idler arm assembly
from
housing
by removing
hex nut; then
remove
drive
belt from drive pulley, belt
keepers
and idler arm assembly.
5.
Turn lawn mower on its side. Make
sure air filter and carburetor
are up.
6.
Remove
screw securing
debris
shield.
Note that the debris
shield
has a tab
which
fits into a gap in the housing.
LAWN
MOWER
TO ADJUST
CUTTING
HEIGHT
See "TO ADJUST
CUTTING
HEIGHT"
in
the Operation
section
of this manual•
Crankshaft
Housing
hole
\
Tab
Blade
adapter
REAR
DEFLECTOR
The rear deflector,
attached
between the rear
wheels of your mower, is provided
to minimize
the possibility
that objects will be thrown out
of the rear of the mower
into the operator
mowing
position•
If the deflector
becomes
damaged,
it should
be replaced•
TO REMOVE
DRIVE
BELT
1.
Disconnect
spark plug wire from spark
plug and place wire where
it cannot
come in contact
with plug.
2.
Remove
screws
retaining
drive cover
(not shown);
and remove
drive cover
from lawn mower
housing.
3.
Remove
drive cable from anchor,
then
detach
it and return spring
from idler
arm assembly.
Drive cable anchor
Hardened
washer
Blade
bolt
Screw
Trailing edge
Lock-washer
7.
Use a wood
block between
blade and
mower
housing
to prevent
blade from
turning
when
removing
blade bolt.
NOTE:
Protect
your hands with gloves
and/or
wrap blade with heavy cloth.
8.
Remove
blade bolt.
9.
Remove
blade,
attaching
hardware
Drive_
iulley
_
_
(bolt, lock washer,
hardened
washer),
_-__es
blade adapter
and debris shield.
Note
that the debris
shield
has a tab which
_- _- - \
fits into the housing
hole.
/
F /
-\
_
_bell
![
(
10. Removedrivebeltfromenginepulley;
'L\\ ' '-_-'_
/ _
,"
__ .%\_
_
discard
old belt.
'__
__r
i O REPLACE
DRIVE
BELT
• Place new drive belt on engine pulley•
Belt
m
. Route the other end of the new drive
keepers
spring
assembly 16
belt through
hole in housing•

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