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Dynapac CA 251 - Braking and Stopping Procedures; Emergency Stop Procedures; Normal Braking and Engine Shutdown

Dynapac CA 251
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19CA 251 O251-1EN1
BRAKING/STOPPING
Braking is normally done with the forward/reverse
lever. The hydrostatic transmission brakes the roller
when the lever is moved towards neutral. In addition
there are disc brakes in the drum drive and rear axle
that act as a parking brake and are activated when the
reserve brake knob (11) is pressed in.
In an emergency, press the reserve brake
knob (11). Hold the steering wheel firmly
and be prepared for a sudden stop.
After emergency braking: Return the forward/reverse
lever to neutral. Pull out the EMERGENCY STOP
knob (11) and start the roller again if required.
Normal braking
Press the switch (23) to disengage the vibration.
Move the forward/reverse lever (24) to neutral to stop
the roller.
Always press the parking brake knob (11) even for
brief stops when on sloping ground.
Push in the revs control (32) until the engine idles
(800–1000 r/min). Always allow the engine to idle for 5
minutes to cool down.
Check instruments and warning lamps to see if any
faults are indicated , switch off all lights and other
functions.
Turn the starter switch (9) to position 0. Lower the
instrument cover (accessory on rollers without cab)
and lock it.
When starting up and driving a cold mach-
ine, which implies cold hydraulic fluid, the
braking distance will be longer than nor-
mal until the machine reaches normal
working temperature.
EMERGENCY STOP
Fig. 22 Instrument panel
9. Switch (Stop, Cummins)
11. EMERGENCY STOP, knob
23. Vibration ON/OFF
24. Forward/reverse lever
32. Revs control
Fig. 21 Left instrument panel
11. Reserve brake knob
11
24 23
32
9
11

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