PAGE 28 — HDA SERIES WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #0 (12/1/17)
OPERATION
4. Stand in the operator's position behind the handle
(Figure 34) and spin the handle to the right, simulating
a runaway condition. Centrifugal force should throw
the safety switch outward to the
OFF position, thus
shutting off the engine.
Figure 34. Centrifugal Safety Stop Switch Test
TROWEL OPERATION
With the engine running at idle, place the throttle lever
(Figure 35) in the
RUN position.
Figure 35. Throttle Lever (RUN)
Pitching the Blades (Standard Handle)
To pitch the blades
upward with the standard handle
(Figure 36), turn the star wheel
clockwise. Turn the star
wheel
counterclockwise to pitch the blades flat (no pitch).
KE
EP CLEAR
KE
EP CLEA
R
RUN
THROTTLE
LEVER
Figure 36. Pitching the Blades
(Standard Handle)
Pitching the Blades (Quick Pitch™ Handle)
To pitch the blades
upward with the Quick Pitch™ handle
(Figure 37), pull the T-handle
backward while squeezing
the trigger lock. Push the T-handle
forward to pitch the
blades
flat (no pitch).
Figure 37. Pitching the Blades
(Quick Pitch
™
Handle)
CONCRETE FINISHING TECHNIQUES
The instructions in this manual are provided as a basic
guide to trowel operation,
not a complete guide to concrete
finishing. We suggest that all operators (experienced and
novice) read
Slabs on Ground
published by the American
Concrete Institute.
INCREASE
BLADE PITCH
(
CW
)
DECREASE
BLADE PITCH
(
CCW
)
BLADE PITCH
STAR WHEEL
T-HANDLE
TRIGGER
LOCK
NO
PITCH
FULL
PITCH
