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GB - 12
Fuel Shut-Off Valve
IMPORTANT: The fuel shut-off valve MUST
be in the closed position prior to transporting
the unit.
The fuel shut-off valve has two positions:
Recoil Starter Handle
When pulled, handle will turn engine over.
IMPORTANT: DO NOT let handle snap back
against starter.
Speed Selector
Position the Speed Selector in the
appropriate speed notch to control forward
and reverse travel.
Forward:
(6) Fastest
(1) Slowest
Reverse:
(1) Slow
(2) Fast
IMPORTANT: DO NOT change motion from
forward to reverse with clutch engaged.
Forward speed can be changed without
declutching.
BRUSH ANGLE ADJUSTMENT
(Figure 6)
To adjust the angle of the brush:
1. Squeeze the remote trigger on the right
handlebar fully to disengage the lock
pin.
2. Turn the unit left or right until the desired
brush angle is achieved.
3. Release the remote trigger, ensuring
that the lock pin is firmly seated in one of
the locking notches.
BRUSH HEIGHT ADJUSTMENT
(Figure 7)
IMPORTANT: The brush may drive machine
rearward if wheel drive is not engaged.
Engage brush slowly with brush set at proper
height.
Adjust caster wheels to 1/8 – 1/4 inch
(3 – 6 mm) above surface. For hard surfaces,
adjust the caster wheels so that brush just
touches surface.
To adjust brush height:
NOTE: Placing the spacers above the caster
arm lowers brush height. Placing the spacers
below the caster arm raises the brush height.
To change brush height, remove the lock pin
from the top of the caster fork. Support and
raise the housing slightly, turn the spacers so
the open end aligns with the flat cut sides on
the caster fork, and then slide the spacers off
of the fork.
Figure 5
OS7117
Closed Position: Use
this position to
service, transport, or
store the unit.
Open Position:
Use this position
to run the unit.
OS2402
6
5
4
3
2
1
1
2
DANGER: Avoid injury from
rotating parts. ALWAYS shut off
engine before adjusting brush
height.
OS3041
Figure 6
Lock
Pin
Locking
Notches
Remote
Trigger