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Maintenance; Engine Oil; Mower Blades; Safety Interlock System - Husqvarna iZ4821KAA, iZ5223KAA, iZ5223KOA, iZ4217SKAA, iZ4817 SKAA, iZ4817KAA, iZ6123KAA Operator's Manual

Husqvarna tractor operator's manual
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Fuel shut off valve is located at the right rear of the
seat. The valve has three positions a right tank, left
tank and center is the off position. FIG - 11.
Pump release valves located at the right front
corner of the pumps. Used to release the
system so the machine may be moved by hand
when not running. Tilt seat forward to gain
access to the pumps. Use a 5/8" wrench to
open valve. NOTE: Only rotate valve 1/4 turn to
release system.

Maintenance

WARNING: No settings, adjustments or
maintenance is to be made unless: Engine
is stopped, key has been removed, park
brake is on and battery cable removed from
battery.
Annual inspection and maintenance from an
authorized Husqvarna dealer is recommended
to keep your machine in the best condition
mechanically and ensures safe operation.

Engine oil

Should be checked daily before starting the
machine. See the engine manufacturers manual
for specifications on type of oil, filling instruc-
tions and service intervals. FIG - 12

Mower blades

Inspect blades and sharpen or replace as
needed. Check blades daily or as needed. Bent,
cracked or blades with large notches in them
should be replaced. Sharpen to an angle of 22
to 28 degrees. Always check the balance of the
blades after sharpening to prevent excessive
vibration.

Safety interlock system

Check daily and never operate the machine if
the system is not functioning properly. The
starter should crank only when the operator is
in the seat, the parking brake is applied, blade
switch off and the motion control levers in the
neutral slots. If the machine starts with any of
these controls in an operating position, turn the
machine off an repair the system immediately.
MAINTENANCE
Cutter Housings
Grease housings once weekly or every 40 to 50
hours of use. Use a good synthetic grease.
Pump grease in until a small amount purges
from the popet on the underside of the deck.
Check the torque of the pulley bolt (45 ft/lbs)
should be maintained.
19
FIG - 11
"F" Full
Mark
Operating
Range
FIG - 12
Fuel Valve

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