Zoomlion QY30V, Manual

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Opera Opera tion tion – crane chassis – crane chassis
a) a) The steering The steering wheel can wheel can not be kept not be kept in its in its limit position limit position for more for more than 5 seconds. than 5 seconds.
Otherwise, the steering gear may be damaged; Otherwise, the steering gear may be damaged;
b) b) If the If the vehicle is vehicle is steered insufficiently steered insufficiently, do , do not jerkily not jerkily depress the depress the service br service brake pedal ake pedal
or operate the steering wheel in the same or operate the steering wheel in the same direction continuously direction continuously. The proper way is . The proper way is
to decelerate the vehicle gradually and adjust the steering wheel at the same time; to decelerate the vehicle gradually and adjust the steering wheel at the same time;
c) c) If the vehicl If the vehicle is e is steered too m steered too much, release uch, release the engine control the engine control pedal slowly pedal slowly or or
depress the service brake pedal a little to decelerate the vehicle, and then adjust depress the service brake pedal a little to decelerate the vehicle, and then adjust
the steering wheel in reverse direction as soon as possible; the steering wheel in reverse direction as soon as possible;
In normal condit In normal condit ion, the steering wheel should be adjusted gradually. ion, the steering wheel should be adjusted gradually.
d) d) In sharp In sharp turning, decelerate turning, decelerate the vehicle the vehicle in time in time and shift and shift into the into the low gear low gear..
3.3.4 Brake operation 3.3.4 Brake operation
a) Description a) Description
The brake system consists of driving brake (service brake), exhaust brake and The brake system consists of driving brake (service brake), exhaust brake and
emergency brake (parking brake). The emergency brake can also be selected to emergency brake (parking brake). The emergency brake can also be selected to
park the vehicle in normal condition and on slopes. park the vehicle in normal condition and on slopes.
b) Operation b) Operation
1) 1) Driving Driving brake brake
There are several cases of braking. For details, please refer to the following There are several cases of braking. For details, please refer to the following
instructions: instructions:
-- Normal brake during driving, release the engine control pedal ahead to Normal brake during driving, release the engine control pedal ahead to
slow down the vehicle according to the slow down the vehicle according to the actual road conditions (with regard actual road conditions (with regard
to the road surface, traffic, etc.), and then continuously or intermittently to the road surface, traffic, etc.), and then continuously or intermittently
depress the service brake to slow down stably or stop the vehicle. depress the service brake to slow down stably or stop the vehicle.
-- Slow brake after rapid brake: when there is an accident in front, depress Slow brake after rapid brake: when there is an accident in front, depress
the service brake rapidly and then depress it again slowly. Release the the service brake rapidly and then depress it again slowly. Release the
pedal slowly according to the distance away from the accident spot and pedal slowly according to the distance away from the accident spot and
shift gear in accordance with the actual driving speed. At last, depress the shift gear in accordance with the actual driving speed. At last, depress the
engine control pedal to drive at normal speed. engine control pedal to drive at normal speed.
-- Cadence brake: depress the service brake and release it. Repeat the Cadence brake: depress the service brake and release it. Repeat the
operation to decelerate the vehicle gradually. The operation should be operation to decelerate the vehicle gradually. The operation should be
very gentle. very gentle.
-- Rapid brake: in a sudden emergency, release the engine control pedal Rapid brake: in a sudden emergency, release the engine control pedal
immediately and depress the service brake jerkily (sometimes apply the immediately and depress the service brake jerkily (sometimes apply the
parking brake at the same time) to bring the vehicle to a standstill as soon parking brake at the same time) to bring the vehicle to a standstill as soon
as possible. As a result, the accident will be a as possible. As a result, the accident will be avoided. voided.
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Caution Caution