Mowing Tips; Warm Weather Starting; Cold Weather Starting; Automatic Transmission Warm Up - Craftsman 917.20391 Operator's Manual

5.
Insert key into ignition and turn key
clockwise to start position and release
key as soon as engine starts. Do not run
starter continuously for more than fifteen
seconds per minute. If the engine does
not start after several attempts, move
throttle control to fast position, wait a
few minutes and try again. If engine still
does not start, move the throttle control
back to the choke position and retry.
WARM WEATHER STARTING
(50°F (10°0) and above)
6. When engine starts, move the throttle
control to the fast position.
The attachments and ground drive
can now be used. If the engine does
not accept the toad, restart the engine
and allow it to warm up for one minute
using the choke as described above.
COLD WEATHER STARTING
(50°F (10°C) and below)
6. When engine starts, leave throttle control
in choke position until engine warms up
and begins to run roughly. Once rough
running begins, immediately move the
throttle control to the fast position. Engine
warm-up may take from several seconds
to several minutes (the colder the tem-
perature, the longer the warm-up).
AUTOMATIC TRANSMISSION WARM UP
Before driving the unit in cold weather, the
transmission should be warmed up as fol-
lows:
1. Ensure the tractor is on level ground.
2. Release the parking brake and tet the
brake slowly return to operating position.
3. Allow one minute for transmission to
warm up. This can be done during the
engine warm up period.
The attachments can also be used
during the engine warm-up period after
the transmission has been warmed up.
MOWING TIPS
• DO NOT use tire chains when the mower
housing is attached to tractor.
• 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 byturning
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.
If grass is extremely tall, it should be
mowed twice to reduce load and possible
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 undesir-
able clumps. Allow grass to dry before
mowing.
Always operate engine at full throttle
when mowing to assure better mow-
ing 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 attachment
being used.
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