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Troy-Bilt TB590 EC Manuel De L'utilisateur page 5

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KNOW YOUR UNIT
APPLICATIONS
As a trimmer:
• Cutting grass and light weeds.
• Edging
• Decorative trimming around trees,
fences, etc.
As a brushcutter:
• Cutting weeds and light brush of up
to 1/2 inch in diameter.
Starter Rope Grip
Throttle Lockout
On/Off Control
Shoulder Strap Loop
J-Handle
Shaft
Brushcutter Blade
Cutting Attachment
ASSEMBLY INSTRUCTIONS
INSTALL AND ADJUST THE J-HANDLE
On some units, the J-handle may be pre-
installed. In this case you must loosen screws
and adjust the handle to fit the operator. Go to
step 5 if the J-handle is pre-installed.
1. Place the J-handle between the top and
middle clamp pieces (Fig. 1).
2. While holding the three pieces together, install
the four (4) screws through the top clamp and
into middle clamp.
NOTE: The holes in the top and middle clamp
will line up only when assembled correctly.
3. Place the clamps and the J-handle over the
shaft housing and onto the bottom clamp.
4. Hold each hex nut in the bottom clamp recess
with a finger. Start screws with a large Phillips
screwdriver. Do not tighten until you make the
handle adjustment.
5. Slide the J-handle in or out until the arrow/white line on the decal touches
the clamp assembly (Fig. 2). You must first loosen the screws if the handle
is pre-installed.
6. While holding the unit in the operating position (Fig. 23), position the J-handle to
the location that provides you the best grip.
7. Tighten the clamp screws evenly, until the J-handle is secure.
INSTALL THE HARNESS
1. Push the strap through the center of the buckle.
2. Pull the strap over the cross bar and down through
the slot in the buckle (Fig. 3).
3. Put the harness on over head and onto shoulder.
Snap it on to the support fitting (Fig. 4).
4. Adjust length to fit the operator's size. Pull tab to
lengthen, pull strap to shorten (Fig 5).
Oil Fill Plug
Spark Plug
Muffler
Fuel Cap
Shaft Grip
Throttle Control
Air Filter Cover
EZ-LINK®
Cutting Attachment Shield
Line Cutting Blade
Screws
Nuts
Fig. 1
Decal
Fig. 2
Fig. 3
Support Fitting
Fig. 4
Fig. 5
REMOVE AND INSTALL THE CUTTING ATTACHMENT SHIELD
WARNING:
when operating the unit with a blade. Remove the cutting attachment
shield before removing or installing the blade.
Remove the cutting attachment shield when using the unit as a
brushcutter
WARNING:
personal injury, never operate the unit as a
trimmer without the cutting attachment
shield in place.
Choke Lever
Remove the cutting attachment shield from the shield
mount by removing the three (3) screws with a flat blade
screwdriver (Fig. 6). Store parts for future use.
Install the cutting attachment shield when using the unit as a grass trimmer
Install the cutting attachment shield on the shield mount by inserting the three
(3) screws into the shield mount. Tighten securely with a flat blade screwdriver
Primer Bulb
(Fig. 6).
REMOVE THE CUTTING ATTACHMENT AND INSTALL THE CUTTING
BLADE
NOTE: To make cutting blade removal and
installation easier, place the unit on the
ground or on a work bench.
Remove the Cutting Attachment Shield
See Remove and Install the Cutting Attachment
Shield.
Remove the Cutting Attachment
DANGER:
with use. It can result in injury to the
operator. The housing remains hot for a
short time even after the unit is turned off.
Do not touch the gear housing until it has
cooled.
J Handle
1. Align the shaft bushing hole with the locking
rod slot and insert the locking rod into the
bushing hole (Fig. 7).
Top Clamp
2. Hold the locking rod in place by grasping it
Middle Clamp
next to the boom of the unit (Fig. 8).
Bottom Clamp
3. While holding the locking rod, remove the
cutting attachment by turning it clockwise off
of the output shaft (Fig. 9). Store the cutting
attachment for future use.
NOTE: The blade retainer under the cutting
attachment will be used when installing the
cutting blade.
DANGER:
center, the unit will vibrate and the blade
may fly off, causing possible serious
personal injury.
Install the Cutting Blade
4. Place the cutting blade on the output shaft
bushing (Fig. 10).
5. Make sure that the cutting blade is centered on
the pilot step and sitting flat against the output shaft bushing (Fig. 10).
6. Align the shaft bushing hole with the locking rod slot and insert the locking
rod into the bushing hole (Fig. 7).
7. Put the blade retainer and nut on the output shaft (Fig. 10). Make sure that
the blade is installed correctly.
8. Tighten nut counterclockwise against the blade while holding the locking
rod (Fig. 11):
• If using a torque wrench and a 13 mm socket tighten to:
325 - 335 in•lb, 27 - 28 ft.•lb, 37 - 38 N•m.
• Without a torque wrench, use a 13 mm closed-end or socket wrench,
turning the nut until the blade retainer is snug against the shaft bushing.
Make sure that the blade is installed correctly, then rotate the nut an
additional 1/4 to 1/2 turn counterclockwise (Fig. 11).
9. Remove the locking rod from the locking rod slot.
WARNING:
not start or operate this unit with the locking rod in the locking rod slot.
WARNING:
can cause the blade tip to break off while in use. This can result in severe
personal injury. Replace the blade.
ASSEMBLY INSTRUCTIONS
The cutting attachment shield should NOT be installed
Screws (3)
To prevent serious
Shield Mount
Bushing Hole
Locking
Rod Slot
Locking
The gear housing gets hot
Blade
If the cutting blade is off-
Retainer
Output
Shaft
To avoid serious personal injury or damage to the unit, do
Do not sharpen the cutting blade. Sharpening the blade
Cutting Attachment
Shield
Fig. 6
Output Shaft
Bushing
Rod
Fig. 7
Fig. 8
Cutting Attachment
Fig. 9
Nut
Pilot Step
Fig. 10
5

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