WARNING: DO NOT
1. DO NOT run engine in an enclosed area.
Exhaust gases contain carbon monoxide, an
odorless and deadly poison.
2. DO NOT place hands or feet near moving
or rotating parts.
3. DO NOT store, spill or use gasoline near
an open flame, or devices such as a stove,
furnace, or water heater which use a pilot
light or devices which can create a spark.
4. DO NOT refuel indoors where area is not
well ventilated. Outdoor refueling is recom-
mended.
5. DO NOT fill fuel tank while engine is
running. Allow engine to cool for 2 minutes
before refueling. Store fuel in approved
safety containers.
6. DO NOT remove fuel tank cap while
engine is running.
7. DO NOT operate engine when smell of
gasoline is present or other explosive
conditions exist.
8. DO NOT operate engine if gasoline is
spilled. Move machine away from the spill
and avoid creating any ignition until the
gasoline has evaporated.
9. DO NOT transport unit with fuel in tank.
10. DO NOT smoke when filling fuel tank.
11. DO NOT choke carburetor to stop engine.
Whenever possible, gradually reduce engine
speed before stopping.
12. DO NOT run engine at excessive speeds.
This may result in injury & /or damage
to unit.
Page 2 of 8
13. DO NOT tamper with governor springs,
governor links or other parts which may
change the governed engine speed.
14. DO NOT tamper with the engine speed
selected by the engine manufacturer.
15. DO NOT check for spark with spark plug
or spark plug wire removed. Use an
approved tester.
16. DO NOT crank engine with spark plug
removed. If engine is flooded, place throttle
in “FAST” position and crank until engine
starts.
17. DO NOT strike flywheel with a hard
object or metal tool as this may cause
flywheel to shatter in operation. Use proper
tools to service engine.
18. DO NOT operate engine without a
muffler. Inspect periodically and replace, if
necessary. If engine is equipped with
muffler deflector, inspect periodically and
replace, if necessary, with correct deflector.
19. DO NOT operate engine with an
accumulation of grass, leaves, dirt or other
combustible material in the muffler area.
20. DO NOT use this engine on any forest
covered, brush covered, or grass covered
unimproved land unless a spark arrester is
installed on the muffler. The arrester must
be maintained in effective working order by
the operator. In the State of California the
above is required by law (Section 4442 of
the California Public Resources Code).
Other states may have similar laws. Federal
laws apply on federal lands.
OPERATOR
VIBRATION
Vibration levels at the operators handles were
measured in the vertical, lateral, and longitudinal
directions using calibrated vibration test equipment.
Tests were performed on 04/08/1996 under the
conditions listed:
WIND DIRECTION
:
HUMIDITY:
TEMPERATURE:
BAROMETRIC PRESSURE:
GENERAL CONDITION:
GENERAL CONDITION:
WIND SPEED:
WIND DIRECTION:
HUMIDITY:
TEMPERATURE:
BAROMETRIC PRESSURE:
5
5
5
5
5
SAFETY INSTRUCTIONS
GENERAL SAFETY
ASSEMBLY
LABELS
PARTS BAG & CONTROLS
OPERATION
PARTS DRAWING & LIST
MAINTENANCE
TROUBLESHOOTING
WARRANTY PROCEDURE
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6 - 7
8
8
8
5
4
4
3
3
2
TABLE OF CONTENTS
6
6
6
6
6
7
7
7
7
7
VIBRATION LEVELS 4.2g
8
8
8
8
8
SOUND
SOUND TESTS
SUNNY
IN THE INTEREST OF SAFETY
BEFORE STARTING ENGINE, READ AND UNDERSTAND THE “ENTIRE OPERATOR'S MANUAL &
ENGINE MANUAL.”
THIS SYMBOL MEANS WARNING OR CAUTION. DEATH, PERSONAL INJURY AND/OR PROPERTY
DAMAGE MAY OCCUR UNLESS INSTRUCTIONS ARE FOLLOWED CAREFULLY.
21. DO NOT touch hot muffler, cylinder, or
fins because contact may cause burns.
22. DO NOT run engine without air cleaner
or air cleaner cover.
23. DO NOT operate during excessive
vibration!
24. DO NOT leave machine unattended
while in operation.
25. DO NOT park machine on a steep grade
or slope.
WARNING: DO
1. ALWAYS DO remove the wire from the
spark plug when servicing the engine or
equipment TO PREVENT ACCIDENTAL
STARTING.
2. DO keep cylinder fins and governor parts
free of grass and other debris which can
affect engine speed.
3. DO pull starter cord slowly until resistance
is felt. Then pull cord rapidly to avoid
kickback and prevent hand or arm injury.
4. DO examine muffler periodically to be
sure it is functioning effectively. A worn or
leaking muffler should be repaired or
replaced as necessary.
5. DO use fresh gasoline. Stale fuel can gum
carburetor and cause leakage.
6. DO check fuel lines and fittings frequently
for cracks or leaks. Replace if necessary
7. Follow engine manufacturer operating
and maintenance instructions.
8. Inspect machine and work area before
starting unit.
WARNING!
The engine exhaust from this product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
SUNNY
WIND SPEED:
33%
30.03
S
9
53
53
9
S
33%
30.03
Sound tests were conducted on model QB552 in
accordance with 79/113/EEC and were performed
on 04/08/1996 under the conditions listed:
88
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