Mowing Tips - Craftsman 917.273663 Owner's Manual

25.0 hp, 48" mower electric start automatic transmission
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3. Allow
one minute
for transmission
to
warm
up. This can be done during
the
engine
warm
up period.
• The attachments
can be used during
the engine
warm-up
period
after the
transmission
has been warmed
up and
may require
the choke control
be pulled
out slightly.
NOTE:
If at a high altitude (above 3000 feet)
or in cold temperatures
(below 32 F) the
carburetor
fuel mixture may need to be ad-
justed for best engine performance
(see "TO
ADJUST
CARBURETOR"
in the Service
and
Adjustments
section of this manual).
PURGE
TRANSMISSION
_i:_CAUTION:
Never engage
or disengage
freewheel
lever while the engine
is running.
To ensure
proper
operation
and per-
formance,
it is recommended
that the
transmission
be purged
before
operating
tractor
for the first time. This procedure
will
remove
any trapped
air inside
the trans-
mission
which
may have developed
during
shipping
of your tractor.
IMPORTANT:
Should
your transmission
require
removal
for service
or replace-
ment, it should
be purged
after reinstall-
ation before
operating
the tractor.
1.
Place tractor
safely on level surface
with engine
off and parking
brake set.
2.
Disengage
transmission
by placing
freewheel
control
in disengaged
posi-
tion (See "TO TRANSPORT"
in this
section
of manual).
3.
Sitting in the tractor seat, start engine.
After the engine
is running,
move throt-
tle control
to slow position.
With motion
control
lever in neutral
(N) position,
slowly
disengage
clutch/brake
pedal.
4.
Move motion
control
lever to full
forward
position
and hold for five (5)
seconds.
Move lever to full reverse
position
and hold for five (5) seconds.
Repeat
this procedure
three
(3) times.
NOTE:
During
this step there will be no
movement
of drive wheels.
The air is being
removed
from hydraulic
drive system.
5.
Move motion
control
lever to neutral
(N) position.
Shutoff
engine
and set
parking
brake.
6.
Engage
transmission
by placing
free-
wheel
control
in engaged
position
(See
"TO TRANSPORT"
in this section
of
manual).
7.
Sitting
in the tractor
seat, start engine.
After the engine
is running,
move
throttle
control
to half (1/2) speed.
With motion
control
lever in neutral
(N)
position,
slowly
disengage
clutch/brake
pedal.
8.
Slowly
move motion
control
lever for-
ward, after the tractor
moves
approxi-
mately
five (5) feet, slowly
move motion
control
lever to reverse
position.
After
the tractor
moves
approximately
five
(5) feet return the motion
control
lever
to the neutral
(N) position.
Repeat
this
procedure
with the motion
control
lever
three
(3) times.
Your transmission
is now purged
and now
ready
for normal
operation.
MOWING
TIPS
• Mower should be properly leveled for
best mowing performance.
See "TO
LEVEL MOWER HOUSING" in the
Service and Adjustments
section of this
manual.
• The left hand side of mower should be
used for trimming.
• Drive so that clippings are discharged
onto the area that has already been
cut. Have the cut area to the right of
the tractor. This will result in a more
even distribution
of clippings and more
uniform cutting.
• When mowing large areas, start by
turning to the right so that clippings will
discharge away from shrubs, fences,
driveways, etc. After one or two rounds,
mow in the opposite direction making
left hand turns until finished.
f
rf
J
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00272
14
• If grass is extremely
tall, it should
be
mowed
twice to reduce
load and pos-
sible fire hazard
from dried
clippings.
Make first cut relatively
high; the second
to the desired
height.
• Do not mow grass when
it is wet.
Wet grass will plug mower and leave
undesirable
clumps.
Allow grass to dry
before
mowing.
• Always
operate
engine
at full throttle
when
mowing
to assure
better mowing
performance
and proper
discharge
of
material.
Regulate
ground
speed
by
selecting
a low enough
gear to give the
mower
cutting
performance
as well as
the quality
of cut desired.
• When
operating
attachments,
select
a
ground
speed
that will suit the terrain
and give best performance
of the at-
tachment
being used.

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