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INTENDED USE
Operate this trowel, its components and tools in accordance
with the manufacturer's instructions. Use of any other tools
for stated operation is considered contrary to designated
use. The risk of such use lies entirely with the user. The
manufacturer cannot be held liable for damages as a result
of misuse.
TROWEL FAMILIARIZATION
Read all safety instructions carefully. Safety instructions
will be found throughout this manual and on the trowel. Keep
all safety information in good, readable condition. Operators
should be well trained on the operation and maintenance
of the trowel.
This walk-behind trowel is designed for the floating and
finishing of concrete slabs.
Walk around the trowel and take notice of all the major
components (Figure 2)—engine, blades, steering handle,
gearbox, etc. Make sure there is always oil in the engine.
Before using your trowel, test it on a flat, watered-down
section of finished concrete that is free of debris and other
objects.
This trial test run will increase your confidence in using the
trowel and will familiarize you with the trowel's controls. You
will learn how the trowel handles under actual operating
conditions.
Engine
These trowels are equipped with gasoline engines
(see Table 3) that range from 4.8 to 10.7 horsepower. Refer
to the engine owner's manual for instructions regarding the
operation and maintenance of your engine. If the
original manual is lost or damaged, please contact
Discount-equipment for a replacement.
J AND B SERIES INSTACLUTCH™ TROWELS • OPERATION MANUAL — REV. #1 (04/24/20) — PAGE 15
GENERAL INFORMATION
InstaClutch
Drive System
™
Power is transferred from the engine to the gearbox input
shaft via a V-belt pulley drive system. The pulley engages
an innovative InstaClutch™ system that immediately
disengages the drive system should the operator release
the handle. The advanced friction clutch stops the unit within
a quarter of a turn even when running at full RPM. It also
eliminates the need to throttle down during momentary
work stoppages. The operator can safely resume operation
without having to restart the engine.
Gearbox
The gearbox is located beneath the engine and transfers
power to the spider assembly. The gearbox controls the
rotational speed of the trowel and is equipped with two
shafts (input and output).
Spider
The vertical output shaft of the gearbox connects to a
cast hub called the spider. The spider has four arms that
extend outward, to which blades or other accessories are
attached. As the gearbox output shaft rotates, so does the
spider assembly.
Blades
The blades of the trowel finish concrete as they are rotated
around the surface. This trowel comes equipped with four
combination blades, equally spaced in a radial pattern,
attached to the vertical rotating shaft by means of the
spider assembly.
Guard Ring
This unit is equipped with a safety guard ring to help prevent
objects from coming into contact with the rotating blades
while the trowel is in operation.
TRAINING
For proper training, please use the Training Checklist
form located in the front of this manual. This checklist will
provide an outline for an experienced operator to provide
training to a new operator.
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