Troy-Bilt TB2BV EC, Operator'S Manual

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AIR FILTER MAINTENANCE
Cleaning the Air Filter
Failure to maintain your air filter properly can result in poor performance or can cause
permanent damage to your engine.
1. To open the air filter cover, push the locking tab on the right side of the cover
inward and pull the air filter cover slightly out and to the left (Fig. 17).
2. Remove the air filter (Fig. 18).
3. Wash the filter in detergent and water. Rinse the filter thoroughly and allow it to dry.
4. Apply enough clean SAE 30 motor oil to lightly coat the filter.
5. Squeeze the filter to spread and remove excess oil.
6. Replace the filter (Fig. 18).
NOTE: If the unit is operated without the air filter, you will VOID the warranty.
7. To reinstall the air filter cover, position the hooks on the left side of the air filter
cover into the slots at the left side of the back plate (Fig. 18).
8. Swing the cover to the right and press closed so the air filter cover tab snaps into
the slot on the back plate (Fig. 19).
IDLE SPEED ADJUSTMENT
The idle speed of the engine is adjustable. An idle adjustment screw is between the
air filter cover and the engine starter housing (Fig. 20).
NOTE: Careless adjustments can seriously damage your unit. An authorized service
dealer should make carburetor adjustments.
If, after checking the fuel and cleaning the air filter, the engine still will not idle, adjust
the idle speed screw as follows:
1. Start the engine and let it run at a high idle for a minute to warm up. Refer to
Starting/Stopping Instructions .
2. Release the throttle trigger and let the engine idle. If the engine stops, insert a small Phillips in between the air filter
cover and the engine cover (Fig. 20). Turn the idle speed screw in, clockwise, 1/8 of a turn at a time (as needed)
until the engine idles smoothly.
OPERATING TIPS
• Assure the unit is not directed at anybody or any loose debris before starting the unit.
• Always hold the unit securely when operating. Keep a firm grip on the handle.
• To reduce the risk of hearing loss associated with sound level(s), hearing protection is required.
• Operate power equipment only at reasonable hours— not early in the morning or late at night when people might be
disturbed. Comply with times listed in local ordinances. Usual recommendations are 9:00 am to 5:00 pm, Monday
through Saturday.
• To reduce noise levels, limit the number of pieces of equipment used at any one time.
• To reduce noise levels, operate power blowers at the lowest possible speed to do the job.
• Check your equipment before operation, especially the muffler, air intakes and air filters.
• Use rakes and brooms to loosen debris before blowing.
• In dusty conditions, slightly dampen surfaces when water is available.
• Watch out for children, pets, open windows or freshly washed cars, and blow debris safely away.
• Clean up after using blowers and other equipment. Dispose of debris appropriately.
OPERATING THE UNIT AS A BLOWER
Use the blower for trees, shrubs, flower beds and hard-to-clean areas. Also use the
unit around buildings, walls, overhangs, fences and screens, and for other normal
cleaning procedures. Conserve water by using power blowers instead of hoses for
many lawn and garden applications, including areas such as gutters, screens, patios,
grills, porches and gardens.
Hold the blower with the right hand. Do not stand on the right side of the blower when operating the unit (Fig. 14). If
you do, you will be blocking the air intake and this will affect the unit’s performance. Instead, be sure to stand on the
left side of the unit to maximize the unit’s efficiency (Fig. 14).
Sweep from side to side with the nozzle several inches above the ground or floor. Slowly advance the unit, keeping
the accumulated pile of debris in front of you.
Most dry blowing operations are better suited to low speeds, rather than high. High speed blowing is a better way to
move heavier items like large debris or gravel.
OPERATING THE UNIT AS A VACUUM
Use the unit for vacuuming up light debris like leaves and paper.
Be sure the vacuum bag is zipped closed before operating the unit.
Place the shoulder harness over your head and onto your shoulder. Hold the vacuum with both on hands on the
handle (Fig. 15), tilting the suction tube slightly, and use a sweeping action to collect light debris (Fig. 16). The debris
will flow into the vacuum bag. Things such as small leaves and small twigs will be mulched as they pass through the
fan housing, allowing the vacuum bag to hold more debris.
Emptying the Vacuum Bag
When the bag is full, suction will noticeably decrease. Turn off the unit and allow the impeller to stop before you unzip
the bag.
1. While wearing eye protection and a dust mask, unzip the vacuum bag and empty the contents into a garbage bag
or container.
2. Turn the bag inside out after initial emptying and vigorously shake out dust and debris.
3. Zip close and reinstall the vacuum bag.
NOTE: Empty the bag after each use to avoid deterioration and obstructing air flow, which will reduce the
performance of the vacuum.
CLEANING
Use a small brush to clean off the outside of the unit. Do not use strong detergents. Household cleaners that contain
aromatic oils such as pine and lemon, and solvents such as kerosene, can damage the plastic housing or handle. Wipe
off any moisture with a soft cloth.
STORAGE
• Never store a fueled unit where fumes may reach an open flame or spark.
• Allow the engine to cool before storing.
• Store the unit locked up to prevent unauthorized use or damage.
• Store the unit in a dry, well-ventilated area.
• Store the unit out of the reach of children.
Long Term Storage
1. Remove the fuel cap, tip the unit and drain the fuel into an approved container.
NOTE: Do not use fuel that has been stored for more than 30 days. Dispose of the old fuel/oil mix in accordance with
federal, state and local regulations.
2. Start the engine and allow it to run until it stalls. This ensures that all fuel has been drained from the carburetor.
3. Allow the engine to cool. Remove the spark plug and put 5 drops of any high quality motor oil or 2-cycle oil into the
cylinder. Pull the starter rope slowly to distribute the oil. Reinstall the spark plug.
NOTE: Remove the spark plug and drain all of the oil from the cylinder before attempting to start the unit after storage.
4. Thoroughly clean the unit and inspect it for any loose or damaged parts. Repair or replace damaged parts and
tighten loose screws, nuts or bolts. The unit is ready for storage.
The fuel is old (over 30 days) and/or improperly mixed Drain the fuel tank and add fresh, properly mixed fuel
The air filter is plugged Clean or replace the air filter
The spark plug is fouled Clean, gap or replace the spark plug
The fuel is old (over 30 days) and/or improperly mixed Drain the fuel tank and add fresh, properly mixed fuel
The air filter is plugged Clean or replace the air filter
The fuel tank is empty Fill the fuel tank with properly mixed fuel
The primer bulb was not pressed enough Press the primer bulb fully and slowly 10 times
The engine is flooded
Move the choke lever to Position 3, hold down the
trigger and pull the starter rope
The fuel is old (over 30 days) and/or improperly mixed Drain the fuel tank and add fresh, properly mixed fuel
The spark plug is fouled Clean, gap or replace the spark plug
The air filter is plugged Clean or replace the air filter
The fuel is old (over 30 days) and/or improperly mixed Drain the fuel tank and add fresh, properly mixed fuel
Improper idle speed Adjust according to the Idle Speed Adjustment section
TROUBLESHOOTING
THE ENGINE WILL NOT START
THE ENGINE WILL NOT IDLE
THE ENGINE WILL NOT ACCELERATE
NOTE: For repairs beyond the minor adjustments listed above, locate your nearest authorized service center by calling
the Customer Support Department at 1-800-828-5500 (U.S.) or 1-800-668-1238 (Canada).
THE ENGINE LACKS POWER OR STALLS
Engine Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 2-Cycle
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 cc
Idle Speed RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,200–4,400 rpm
Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,000 - 8,000 rpm
Blower Velocity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 150 mph (240 kmh)
Blower Air Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 450 cfm (12.7 cmm)
Mulching Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 10:1
Spark Plug Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.025 in. (0.635 mm)
Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel/Oil Mixture
Fuel/Oil Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40:1
Fuel Tank Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 oz. (414 ml)
Vacuum Bag Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 bushel (35 l)
Approximate Weight (no fuel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 lbs. (5.44 kg)
SPECIFICATIONS*
* All specifications are based on the latest product information available at the time of printing. We reserve the right
to make changes at any time without notice.
WARNING:
To avoid serious personal injury, always turn your unit off and allow it to cool before you
clean or do any maintenance on it.
CLEANING AND STORAGE
4
MAINTENANCE AND REPAIR INSTRUCTIONS
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be
a part of any seasonal tune-up.
NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures,
take your unit to a Troy-Bilt or other qualified service dealer.
NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by a Troy-
Bilt or other qualified service dealer.
NOTE: Please read the California/EPA statement that came with the unit for a complete listing of terms and coverage
for the emissions control devices, such as the spark arrestor, muffler, carburetor, etc.
WARNING:
To prevent serious injury, never perform maintenance or repairs with unit running. Always
service and repair a cool unit. Disconnect the spark plug wire to ensure that the unit cannot start.
FREQUENCY MAINTENANCE REQUIRED SEE
Before starting the engine Fill the fuel tank with fresh fuel mixture p. 3
Every 10 hours (every 5 hours
in vacuum mode)
Clean and re-oil the air filter p. 4
Every 25 hours Check the spark plug condition and gap p. 4
OPERATING INSTRUCTIONS
Fig. 14
INCORRECT
POSITION
CORRECT
POSITION
Checking the fuel, cleaning the air filter, and adjusting the idle speed should solve most engine problems. If not and all
of the following are true:
• the engine will not idle
• the engine hesitates or stalls on acceleration
• there is a loss of engine power
Have the carburetor adjusted by an authorized service dealer.
REPLACING THE SPARK PLUG
Use a replacement part number 753-06193 . The correct spark gap is 0.025 in. (0.635 mm) .
1. Stop the engine and allow it to cool.
2. Grasp the plug boot firmly and pull the cap from the spark plug.
3. Clean dirt from around the spark plug. Remove the spark plug from the cylinder
head by turning a 5/8 in. socket counterclockwise.
4. Replace cracked, fouled or dirty spark plug. Set the spark gap at 0.025 in. (0.635 mm) using a feeler gauge (Fig. 21).
5. Install a correctly-gapped spark plug in the cylinder head. Turn the 5/8 in. socket clockwise until snug.
If using a torque wrench, torque to:
110-120 in.•lb. (12.3-13.5 N•m)
Do not over tighten.
6. Reinstall the spark plug boot.
WARNING:
This unit will need to be running during idle speed
adjustment. Wear protective clothing and observe all safety
instructions to prevent serious personal injury.
Also, DO NOT set unit on any surface except a clean, hard area while
starting or performing any adjustments. Debris, such as gravel, sand,
dust, grass, etc., could be thrown by the blower tube and damage
property or cause serious injury to bystanders or operator.
CAUTION:
Do not sand blast, scrape, or clean electrodes. Grit in
the engine could damage the cylinder.
Fig. 20
Idle Adjustment
Screw
Fig. 21
0.025 in.
(0.635 mm)
CAUSE SOLUTION
Fig. 15
Fig. 16
WARNING:
To avoid serious personal injury, never unzip the
vacuum bag without stopping the unit first.
WARNING:
As a vacuum, the unit is designed to pick up dry
material such as leaves, grass, small twigs and bits of paper. To avoid
serious personal injury, do not attempt to vacuum wet debris and/or
standing water as this may result in damage to the blower/ vacuum.
To avoid severe damage to the impeller, do not vacuum metal, broken
glass or similar items.
WARNING:
Avoid situations that could catch the vacuum bag on
fire. Do not operate near an open flame. Do not vacuum warm ash
from fireplaces, barbecue pits, brush piles, etc. Do not vacuum
discarded cigars or cigarettes unless the cinders are completely cool.
WARNING:
After starting the unit, always stand on the left side of
the unit to operate it as shown in figure 14 to keep from blocking the
air intake.
ELECTRIC STARTER AND POWER START BIT™ FEATURES
This unit is designed to be started with an optional electric starter or Power Start Bit™ that are sold separately. If choosing
to start the unit using one of these features or have questions, please contact your local retailer or call
1-800-828-5500 in
the U.S ( 1-800-668-1238 in Canada) for more information and purchasing. You may also go to www.troybilt.com or
www.troybilt.ca .
OPTIONAL ACCESSORY
MAINTENANCE AND REPAIR INSTRUCTIONS
WARNING:
To avoid serious personal injury, always turn your
trimmer off and allow it to cool before you clean or service it.
WARNING:
Wear gloves to prevent injury when handling unit.
Fig. 17
Locking Tab
Air Filter Cover
Fig. 18
Fig. 19
Locking Tab Air Filter Cover
Air Filter
Back Plate
Slot
Slots
Fig. 22
Electric Start
Feature