GB-12
RANSOMES MASTIFF 91
SAFETY, OPERATORS, MAINTENANCE AND PARTS MANUAL
CONTROLS
THROTTLE CONTROL (A FIG.2)
The maximum cutting speed can be adjusted by
means of this control. Release the handwheel and
move up to decrease or down to increase the
maximum engine revs.
IMPORTANT:
This control should only be
adjusted when the machine is stationary.
OPERATOR PRESENCE CONTROL
(OPC)
(B FIG.2)
By raising the OPC towards the hand rail the
engine revs are increased and the landroll clutch
engaged allowing the machine to move forwards.
BRAKE (A FIG.3)
The brake must only be applied when the OPC is
released.
FORWARD/REVERSE GEAR CHANGE
(FIG. 3)
To obtain forward drive the lever (C) should be
pushed to the left and then down from the neutral
position. For reverse drive the lever should be
pushed to the left and pulled upwards from the
neutral position and held so it does not move into
the gate. If it moves into the gate the engine will
cut out.
NOTE: It may be necessary to ‘blip’ the OPC to
allow the gear to engage.
CYLINDER DRIVE CLUTCH LEVER
(FIG. 3)
The clutch is engaged by pushing the lever (B) to
the right and then down. To disengage pull the
lever upwards and locate in slot at top of gate.
STARTER SWITCH (D FIG. 3)
This is turned clockwise to start the engine and
anticlockwise to stop the engine.
CHOKE CONTROL (FIG. 4)
The lever (A) on the right hand side of the
carburettor will operate the choke control and
should be used when the engine is cold. As soon
as the engine warms up the choke should be
returned to its normal running position (pointing to
the rear of the machine).
FUEL TAP AND FILTER BOWL
The fuel tap (C fig. 4) is turned on by turning the
lever vertically downwards. The tap is in the ‘off’
position when the lever is horizontal. The glass
bowl (B Fig. 4) beneath the tank gives visible
indication that there is petrol (gasoline) when the
tap is turned on
Fig.3
Fig.2
Fig.4
A
B
C
