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Craftsman 917.251521 Owner's Manual page 16

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OPERATJO
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.,,
.
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NOTE: During this procedure there wilf be no movement of
drive wheels. The air is being removed from hydraulic drive
system.
,
Move motion control fever to neutral (N) position. Shut-
off engine and set parking brake.
-
Engage transmission
by placing freewheel control in
driving position (See "TO TRANSPORT, in this section
of manua0.
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.
Slowly move motion controt ]ever forward, after the
tractor moves approximately five (5) feet, slowly move
motion control lever to reverse position.
After the
tractor moves approximately
five (5) feet return the
motion contro! levertothe
neutral (N) position. Repeat
this procedure w;th the motion control lever three (3)
times.
o
Your tractor is now purged and now ready for normal
operation.
MOWING ,T PS
Tire chains cannot be used 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.
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The left-hand side of mower should be used for trim-
ming.
,
Drive so that clippings are discharged onto the area
that has 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 tothe right
so that clippings wil! discharge away from shrubs,
fences, driveways, etc. After one or two rounds, mow
in the opposite direction making ieft hand turns until
finished (See Fig. 13).
o
tf grass is extremely tal!, it should be mowed twice to
reduce toad and possible fire hazard from dried clip-
pings. 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 dis-
charge of material. Regulate ground s_<÷edby select-
ing a low enough gear to give the r_]ower cutting
performance as well as the quality of cd[ desired.
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When operating attachments, select a ground speed
that will sLJitthe terrain and give best performance of
the attachment being used.
MULCHING
MOWJNG TiPS
mMPORTANT:
FOR BEST
PERFORMANCE,
KEEP
MOWER HOUSING FREE OF BUILToUP GRASS AND
TRASH. CLEAN AFTER EACH USE.
The special mulching blade will recut the grass clip-
pings many times and reduce them in size so that as
they fall onto the lawn they will disperse into the grass
and not be noticed.
Also, the mulched
grass will
biodegrade quickly to provide nutrients for f:he lawn.
Always mulch with your highest engine (biade) speed
as this will provide the best recutting action of the
blades.
Avoid cutting your lawn when it is wet. Wet grass tends
to form clumps and interferes with the mulching action.
The best time to mow your lawn is the early afternoon.
At this time the grass has dried and the newly cut area
wiil not be exposed to the direct sun.
For best results, adjust the mowercutting
height so that
the mower cuts off only the top one4hird of the grass
blades (See Fig; !4). For extremely heavy mulching,
reduce your width of cut on each pass and mow slowly.
MAX 1/3
FUG.t4
Certain types of grass and grass conditions
may re*
quire that an area be mulched a second time to como
pJetely hide the clippings.
When doing a second cut,
mow across or perpendicular
to the first cut path.
Change your cutting pattern from week to week. Mow
north to south one week then change to east to west the
next week. This will help prevent matting and grain ng
of the lawn.
FIG, ! 3
16

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