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Starting And Stopping Instructions - Troy-Bilt TB525 EC Operator's Manual

Electric start capable 4-cycle gas trimmer
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WARNING:
Operate this unit only in a well-ventilated outdoor area.
Carbon monoxide exhaust fumes can be lethal in a confined area.
WARNING:
Avoid accidental starting. Make sure you are in the
starting position when pulling the starter rope (Fig. 10). To avoid
serious injury, the operator and unit must be in a stable position
while starting. Make sure that any Add-On item is installed
correctly and secure before starting the unit.
STARTING INSTRUCTIONS
1. Check the oil level in the crankcase. Refer to
Checking the Oil Level.
2. Fill the fuel tank with fresh, clean unleaded
gasoline. Refer to Fueling the Unit.
NOTE: There is no need to turn the unit on. The
On/Off Stop Control is in the ON ( I ) position
at all times (Fig. 7).
3. Fully press and release the primer bulb 10
times, slowly. Some amount of fuel should
be visible in the primer bulb (Fig. 8). If fuel
cannot be seen in the bulb, press and
release the bulb until fuel is visible.
4. Move the choke lever to Position 1 (Fig. 8).
5. Crouch in the starting position (Fig. 9).
SQUEEZE and HOLD the throttle control
for ALL further steps. Pull the starter rope
5 times.
6. Continue to squeeze the throttle control.
Move the choke lever to Position 2 (Fig. 9).
7. Continue to squeeze the throttle control.
Pull the starter rope 3-5 times to start the
engine.
8. Continue to squeeze the throttle control.
Allow the engine to warm up for 30-60
seconds.
9. Continue to squeeze the throttle control.
Move the choke lever to Position 3 (Fig. 8).
10. Continue to squeeze the throttle control. Run the unit for an additional 60
seconds to complete the warm-up. The unit may be used during this step.
NOTE: The unit is properly warmed up when the engine accelerates without
hesitation.
IF... the engine hesitates, return the choke lever to Position 2 and continue
the warm-up.
IF... the engine does not start, go back to step 3.
IF... the engine fails to start after a few attempts, move the choke lever to
Position 3 and squeeze the throttle control. Pull the starter rope 3-8
times. The engine should start. If not, repeat.
IF THE ENGINE IS HOT... Move the choke lever to Position 2, press the
primer bulb 10 times, squeeze the throttle control and pull the starter
rope until the unit starts. Run the unit for 2-5 minutes. The unit may be
used during this time. Then move the choke lever to Position 3.
STOPPING INSTRUCTIONS
1. Release your hand from the throttle control. Allow the engine to cool
down by idling.
2. Press and hold the On/Off Stop Control switch in the OFF (O) position
until the unit comes to a complete stop (Fig. 7).
6

STARTING AND STOPPING INSTRUCTIONS

OFF (O)
ON (I)
Throttle Control
Fig. 7
Choke
Primer
Bulb
Lever
Fig. 8
Starting
Starter
Position
Rope
Throttle
Control
Fig. 9
IF USING THE OPTIONAL ELECTRIC STARTER
OR POWER START BIT™ ACCESSORY
HOW TO START THE UNIT USING THE ELECTRIC STARTER OR POWER
START BIT ACCESSORY
NOTE: This Unit Can Use an Electric Start or Power Start Bit™ Optional
Accessory!
Please refer to the Electric Starter or Power Start Bit operator's manual
for proper use of this feature. (Items Sold Separately! Please refer to
page 10 of this manual about purchasing these accessories.)
STARTING INSTRUCTIONS
1. Check the oil level in the crankcase. Refer to Checking the Oil Level.
2. Fill the fuel tank with fresh, clean unleaded gasoline. Refer to Fueling the
Unit.
NOTE: There is no need to turn the unit on. The On/Off Stop Control is in the
ON ( I ) position at all times (Fig. 7).
3. Fully press and release the primer bulb 10 times, slowly. Some amount
of fuel should be visible in the primer bulb (Fig. 8). If fuel cannot be seen
in the bulb, press and release the bulb until fuel is visible.
4. Move the choke lever to Position 1 (Fig. 8).
5. Crouch in the starting position (Fig. 9). Place the electric starter or Power
Start Bit™ into the back of the unit (Fig. 38). Refer to the Operation section
of the Electric Starter or Power Start Bit™ operator's manual.
6. SQUEEZE and HOLD the throttle control for ALL further steps. Press
and hold the electric starter or drill ON (I) button for 2 seconds.
7. Continue to squeeze the throttle control. Move the choke lever to
Position 2 (Fig. 8).
8. Continue to squeeze the throttle control. Press and hold the electric
starter or drill ON (I) button for 2-second intervals until the unit starts.
9. Continue to squeeze the throttle control. Remove the electric starter
or drill from the unit.
10. Continue to squeeze the throttle control. Allow the engine to warm up
for 30-60 seconds.
11. Continue to squeeze the throttle control. Move the choke lever to
Position 3 (Fig. 8).
12. Continue to squeeze the throttle control. Run the unit for an additional 60
seconds to complete the warm-up. The unit may be used during this step.
NOTE: The unit is properly warmed up when the engine accelerates without
hesitation.
IF... the engine hesitates, return the choke lever to Position 2 and continue
the warm-up.
IF... the engine does not start, go back to step 3.
IF... the engine fails to start after a few attempts, move the choke lever to
Position 3 and squeeze the throttle control. Press and hold the electric
starter or drill ON (I) button for 2-second intervals until the unit starts.
IF THE ENGINE IS HOT... Move the choke lever to Position 2, press the
primer bulb 10 times, squeeze the throttle control, and press and hold
the electric starter or drill ON (I) button for 2-second intervals until the
unit starts. Run the unit for 2-5 minutes. The unit may be used during
this time. Then move the choke lever to Position 3.
STOPPING INSTRUCTIONS
1. Release your hand from the throttle control. Allow the engine to cool
down by idling.
2. Press and hold the On/Off Stop Control switch in the OFF (O) position
until the unit comes to a complete stop (Fig. 7).

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