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G-55H GASOLINE VIBRATOR — OPERATION & PARTS MANUAL — REV. #0 (03/07/06) — PAGE 11
General Information
The G-55H Gasoline Vibrator employs a 5.5 HP Honda engine.
It comes standard with a quick-disconnect coupling and an
eccentric belt tensioner.
The G-55H power unit utilizes a sturdy frame which enables
the engine to operate in a 360° rotation.
When operating the vibrator always wear rubber insulated
gloves and boots. Safety glasses are also recommended.
Tips
■
Keep the bending radius of the flexible hose to a minimum
during use.
■
Avoid starting the unit with the vibrator head immersed in the
concrete mix. After the engine has started, immerse the vibrator
head into concrete mix.
■
Excessive wear to the vibrating head can result from misuse.
DO NOT allow the head to vibrate against already hardened
concrete or steel used in reinforcement.
■
NEVER drop or knock the vibrator head against any hard
objects. This will prevent any damage the eccentric or bearings
contain within the head.
■
ALWAYS rinse or wipe off any wet concrete before it dries or
hardens on any part of the unit
(engine, shaft, or head).
G-55H GASOLINE VIBRATOR — GENERAL INFORMATION
Theory Of Concrete Vibration
This G-55H vibrator is designed for the
compaction
of
concrete by removal of air pockets and voids.
The purpose of vibration is to set the particles in the fresh
concrete in motion, thereby reducing the friction between
the particles and giving the mixture the mobile quality of a
thick fluid so that gravity and the displacement of entrapped
air will cause it to settle easily into place.
By consolidating the concrete quickly, "stiffer" or "drier" mixes
can be poured than would otherwise be possible. It has
been proven that (up to a point) the drier the concrete, (that
is, the less water in it), the better the quality throughout and
the greater the strength. Drier mixes also make the concrete
more water tight, increase resistance to weathering, and
create a better bond between concrete and reinforcement.
Because vibration causes much of the entrapped air in the
concrete to rise to the surface, honeycombing is prevented.
Also, vibration eliminates most of the air pockets between
the concrete and the vertical forms.
Before operating this gasoline
powered vibrator, the operator
must
read
and
understand
the
contents of the operation manual.
Failure to read this manual could
result in severe bodily harm and
damage to the equipment.