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HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 23
HPLA/HPHA-SERIES 46" TROWEL— PRE-INSPECTION
Motor fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling. DO NOT attempt to refuel the
trowel if the engine is
hot!
or
running
.
Blade Check
Check for worn or damaged blades. Check to see if one blade is
worn out while the others look new. If this is the case there could
be a blade pitch problem. Refer to the maintenance section of
this manual for blade pitch adjustment procedure. Replace any
worn blades.
CONTROLS
Safety Stop Switch
This trowel has been equipped with a centrifugal safety stop
switch.
(Figure 19)
Gearbox Oil
1. Determine if the
gearbox
oil is low by removing the oil
plug located on the side of the gearbox. This plug will be
marked by the "
check
" decal. See (Figure 18). The correct
level of the lubrication oil should be to the bottom of the fill
plug.
Figure 18. Gearbox
2. If lubrication oil begins to seep out as the drain plug is
being removed, then it can be assumed that the gearbox
has a sufficient amount of oil.
3. If lubrication oil does not seep out as the drain plug is
being removed, fill with type ISO 680 (Whiteman P/N 10139)
gearbox lubricant oil until the oil filler hole overflows.
Figure 19. Centrifugal Safety Stop Switch
GEARBOX
DRAIN
PLUG
OIL SIGHT/
FILL PLUG
NEVER!
disable or disconnect the
safety stop switch. It is provided for
operator safety. Injury may result if it
is disable, disconnected or
improperly maintained.
NOTE
The switching mechanism of this switch should operate freely
and should
always
be kept in this condition. With the switch in
the OFF position, the engine should not start or run. The purpose
of this switch is to stop the engine in a runaway situation, (i.e. the
operator releasing the handle during operation).
Safety stop
switches should be tested every time the engine is started.
See
page 25 for procedures to check the operation of the Safety Stop
Switch.
1. Remove the gasoline cap located on top of fuel tank.
2. Visually inspect to see if fuel level is low. If fuel is low, replenish
with unleaded fuel.
3. When refueling, be sure to use a strainer for filtration. DO
NOT top-off fuel. Wipe up any spilled fuel.
V-belt Check
A worn or damaged V-belt can adversely affect the performance
of the trowel. If a V-belt is defective or worn simply replace the V-
belt as outlined in the maintenance section of this manual.
Explosive Fuel
DANGERDANGER
DANGERDANGER
DANGER
Fuel Check