Maintenance; Blade Removal - Husqvarna TC 342 Operator's Manual

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TRACTOR
Always observe safety rules when per form ing any
main te nance.
BRAKE OPERATION
If tractor requires more than five (5) feet (1,5 m) to stop at
highest speed in high est gear on a level, dry concrete or
paved surface, then brake must be checked and ad just ed.
(See "TO CHECK BRAKE" in the Ser vice and Ad just ments
section of this manual).
TIRES
Maintain proper air pressure in all tires (See the sides
of tires for proper PSI).
Keep tires free of gasoline, oil, or insect control
chemi cals which can harm rubber.
Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
NOTE: To seal tire punctures and pre vent flat tires due
to slow leaks, tire sealant may be purchased from your
local parts dealer. Tire sealant also pre vents tire dry rot
and corrosion.
OPERATOR PRESENCE SYS TEM AND REVERSE
OPERATION SYSTEM (ROS) (See Fig. 31)
Be sure operator presence and reverse operation sys tems
are work ing properly. If your tractor does not function as
described, repair the problem immediately.
The engine should not start unless the brake pedal is
fully de pressed, and the attachment clutch con trol is
in the dis en gaged position.
CHECK OPERATOR PRESENCE SYSTEM
When the engine is running, any attempt by the op er a tor
to leave the seat without first setting the parking brake
should shut off the engine.
When the engine is running and the at tach ment clutch
is engaged, any attempt by the operator to leave the
seat should shut off the engine.
The attachment clutch should never operate unless
the operator is in the seat.
CHECK REVERSE OPERATION (ROS) SYSTEM
When the engine is running with the ignition switch in
the engine "ON" position and the at tach ment clutch
engaged, any attempt by the operator to shift into
reverse should shut off the engine.
When the engine is running with the ignition switch
in the ROS "ON" position and the at tach ment clutch
engaged, any attempt by the operator to shift into
reverse should NOT shut off the engine.
ROS "ON"
POSITION

MAINTENANCE

ENGINE "ON" POSITION
(NORMAL OPERATING)
Fig. 31
BLADE CARE (See Fig. 32)
For best results mower blades must be kept sharp. Replace
bent or damaged blades.
IMPORTANT: THE BLADES ON YOUR MOW ER ARE NOT THE
SAME AND MUST BE INSTALLED ON THE CORRECT SIDE.
IT IS SUG GEST ED THAT YOU WORK ON ONE BLADE AT A
TIME TO ENSURE PROP ER ASSEMBLY OF COMPONENTS.
CAUTION: Use only a replacement blade ap-
proved by the manufacturer of your tractor.
Using a blade not approved by the manu-
facturer of your tractor is hazardous, could
damage your tractor and void your warranty.
5 STAR PATTERN BLADE
WITH RIGHT HAND
THREAD ED BOLT

BLADE REMOVAL

Raise mower to highest position to allow access to
blades.
Remove blade bolt se cur ing blade.
Install new or resharpened blade with trailing edge up
towards deck as shown.
IMPORTANT: To ensure proper assembly, center hole in
blade must align with star on mandrel as sem bly.
IMPORTANT: BLADE BOLT IS GRADE 8 HEAT TREATED
5 STAR PATTERN BLADE (See Fig. 33)
The center of this blade has a five (5) star pattern. The bolt
that attaches this blade has nor mal Right Hand threads
that loosens by turn ing (
by turning (
) clockwise.
Reassemble blade bolt and tighten securely (45-55
Ft.-Lbs./62-75 Nm).
BLADE BOLT
RIGHT HAND
THREADED
5 STAR
CENTER HOLE
20
5 STAR
PATTERN
BLADE WITH
LEFT HAND
THREAD ED
BOLT
Fig. 32
) counterclockwise and tight ens
TRAILING EDGE
MANDREL
ASSEMBLY
5 STAR
PATTERN
BLADE
Fig. 33

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