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Part No. 430262 Form No. F020399B
Page 5 of 8
Never store engine indoors or in enclosed poorly venti-
lated areas with fuel in tank, where fuel fumes may reach an
open flame, spark or pilot light, as on a furnace, water heater,
clothes dryer or other gas appliance.
If engine is to be unused for 30 days or more, prepare as
follows:
Remove all gasoline from carburetor and fuel tank to
prevent gum deposits from forming on these parts and
causing possible malfunction of engine. Drain fuel outdoors,
into an approved container, away from open flame. Be sure
engine is cool. Do not smoke. Run engine until fuel tank is
empty and engine runs out of gasoline.
NOTE: Fuel stabilizer (such as Sta-Bil) is an acceptable alternative in minimizing
the formation of fuel gum deposits during storage. Add stabilizer to gasoline in
fuel tank or storage container. Always follow mix ratio found on stabilizer
container. Run engine at least 10 min. after adding stabilizer to allow it to reach
the carburetor.
HANDLING & TRANSPORTING:
STORAGE
OPERATION
1616
1616
16
Using two people to lift machine is recommended. Lift holding the
handle and handle brace. Secure in place during transport.
INTENDED USE: This machine is designed for cleaning
outdoor surfaces, where the debris can be effectively
blown into a consolidated area for convenient pickup and
removal.
BLOWING OPERATION
16.216.2
16.216.2
16.2
Adjust diverter rod to side discharge for normal blowing or to
forward discharge for blowing along walls, fences or hard-to-
reach areas (see right).
ENGINE: See engine manufacturer’s instructions
for type and amount of oil and gasoline used.
Engine must be level when checking and filling oil and
gasoline.
ENGINE SPEED: The throttle control is located on the face
of the engine. Under normal conditions, operate at minimum
throttle to accomplish your current cleaning task.
STOP SWITCH: There is not a stop switch on the QB553HC
models. The engine can be stopped by moving the throttle
to the SLOW position.
CHOKE: Operated with choke lever on the face of the
engine.
THROTTLE: Move throttle control to fast position. Pull
starting rope to start engine.
IF YOUR UNIT FAILS TO START:
See Troubleshooting on page 8.
STARTING
16.116.1
16.116.1
16.1
Inspect machine work area and machine before operat-
ing. Make sure that all operators of this equipment are
trained in general machine use and safety.
PUT OIL IN ENGINE BEFORE STARTING
Like all mechanical tools, reasonable care must
be used when operating machine.
Do not operate if excessive vibration occurs. If excessive
vibration occurs, shut engine off immediately and check
for damaged or worn impeller, loose impeller bolt, loose
impeller key, loose engine or lodged foreign objects.
Note: See parts list for proper impeller and engine
mounting bolt torque specifications.
(See trouble shooting section on page 8).
16.416.4
16.416.4
16.4
16.516.5
16.516.5
16.5
Front Discharge
Side Discharge