Craftsman 917.378452 Owner's Manual page 14

6.5 horsepower power-propelled 21" rear discharge rotary lawn mower
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TO REMOVE
DRIVE BELT
1. Remove drive cover.
Remove belt
from gearcase
pulley by pushing
down on pulley and rolling belt off it.
2. Turn lawn mower on its side with air
filter and carburetor
up.
3. Remove
blade.
4. Remove
debris shield.
5. Remove
belt from engine pulley on
crankshaft.
TO REPLACE
DRIVE
BELT
1. Install
new belt on engine
pulley.
2. Reinstall
debris
shield
and blade.
3. Return
mower
to upright
position.
4. Install
new belt on gearcase
pulley.
5. Reinstall
drive cover.
NOTE: Always
use factory approved
belt
to assure fit and long life.
Drive
cover
Belt
TO ADJUST
HANDLE
The handle can be mounted in a high or
low position.
The mounting holes in the
bottom
of lower handle are off center for
raising or lowering
the handle.
NOTE:
The upper handle
has an "anti-
fold" bracket
located
on the left side of the
handle.
This bracket
prevents
the upper
handle
from folding
forward,
which helps
protect
control
cable(s)
from damage.
1. Remove
upper handle and all parts
attached to lower handle.
2.
Remove
hairpin
cotters from lower
handle
bracket
mounting
pin.
3.
Squeeze
lower
handle in to remove
it
from mounting
pins.
4. Turn lower handle
over to raise or
lower
handle.
5.
Squeeze
lower handle
in and position
holes onto mounting
pins on handle
bracket.
6.
Reassemble
upper handle
and all
parts removed
from lower handle.
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LOW POSITION
HIGH POSITION
TO ASSEMBLE
GRASS
CATCHER
1. Put grass catcher frame into grass bag
with rigid part of bag on the bottom.
Make sure the frame handle is outside
of the bag top.
2. Slip vinyl bindings over frame.
NOTE:
If vinyl bindings are too stiff, hold
them in warm water for a few minutes. If
bag gets wet, let it dry before using.
ACAUTION:
Do not run your lawn
mower without clipping deflector or
approved
grass catcher in place. Never
attempt to operate the lawn mower with
the rear door removed or propped open.
Catcher
frame
handle
Lower
handl,
\
ROTATE
Anti-fold
bracket
\
Frame
ENGINE
opening
ENGINE
SPEED
Your engine speed
has been factory set.
Do not attempt
to increase
engine speed
or it may result in personal
injury. If you
believe
that the engine
is running too fast
or too slow, take your lawn mower to a
Sears or other qualified
service center for
14repair
and adjustment.

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