Purge Transmission; Mowing Tips - Craftsman EZ3 917.270840 Owner's Manual

20.5 hp electric start 42" mower automatic lawn tractor
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AUTOMATIC
I RANSMISSION
WARM-UP
• Before driving the unit in cold weather,
the transmission
should be warmed
up
as follows:
• Be sure the tractor is on level ground.
• Place the motion control lever in neu-
tral. Release
the parking
brake and
let the clutch/brake
slowly retum to
operating
position.
• 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: A high altitude
(above 3000 feet)
or in cold temperatures
(below 32 F) the
carburetor
fuel mixture
may need to be
adjusted for best engine performance.
See "TO ADJUST
CARBURETOR"
in the
Service
and Adjustments
section
of this
manual.
PURGE TRANSMISSION
A, CAUTION:
Never engage or disen-
gage freewheel
lever while the engine is
running,
To ensure proper operation and perfor-
mance, it is recommended
that the trans-
mission 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 reinstalla-
tion before operating the tractor.
• Place tractor safely on level surface with
engine off and parking brake set.
• Disengage transmission by placing free-
wheel control in freewheeling
position
(See "TO TRANSPORT"
in this section
of manual).
• 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.
• 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 procedure
there will be
no movement of drive wheels. The air is
being removed from hydraulic drive sys-
tem.
• Move motion control lever to neutral (N)
position. Shut oft engine and set parking
brake.
• Engage transmission by placing free-
wheel control in driving position (See
"TO TRANSPORT"
in this section of
manual).
• Sitting in the tractor seat, start engine.
After the engine is running,move
throt-
tle control to half (1/2) speed. With
motion control lever in neutral (N) posi-
tion, slowly disengage clutch/brake
pedal.
• 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 pro-
cedure with the motion control lever
three (3) times.
• Your tractor
is now purged and ready for
normal operation.
MOWING
TIPS
• 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.
• The left hand side of mower should be
used for trimming.
• 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 distribu-
tion of clippings and more uniform cut-
ting.
• When mowing
large areas, start by turn-
ing to the right so that clippings will dis-
charge away from shrubs, fences, drive-
ways, 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 possi-
ble fire hazard from dried clippings.
Make first cut relatively high; the second
to the desired height.
17

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