Zoomlion QY30V, Руководство пользователя

Страница: 91 / 276

03-34 03-34
Opera Opera tion tion – crane chassis – crane chassis
3.4 Points for attention during operation 3.4 Points for attention during operation
3.4 3.4.1 .1 Points for attention d Points for attention d urin urin g drivin g drivin g g
a) a) Upshift Upshift or or downshift downshift gradually gradually and and do do not not skip skip shift; shift;
b) b) During dri During driving, if ving, if abnormal sound, abnormal sound, smell, smell, vibration or vibration or acceleration happens acceleration happens to the to the
vehicle, or the steering wheel and brake work abnormally, decelerate immediately vehicle, or the steering wheel and brake work abnormally, decelerate immediately
and stop the vehicle at a safe place for checks. If the cause of malfunction can not and stop the vehicle at a safe place for checks. If the cause of malfunction can not
be determined or the problem cannot be rectified, send the vehicle to the be determined or the problem cannot be rectified, send the vehicle to the
specialized repair factory; specialized repair factory;
c) c) Once the Once the warning lights warning lights light up, light up, decelerate imm decelerate immediately and ediately and stop the stop the vehicle at vehicle at a a
safe place for checks; safe place for checks;
d) d) Pay attention Pay attention to the to the display of display of instruments ( instruments (including double-pointer including double-pointer barometer, barometer,
engine oil pressure gauge, water thermometer, etc.) to ensure they comply with the engine oil pressure gauge, water thermometer, etc.) to ensure they comply with the
requirements; requirements;
e) e) Before clim Before climbing an bing an ascending gradient, ascending gradient, downshift downshift the transmiss the transmission to ion to reduce the reduce the
load on the engine and driving system; load on the engine and driving system;
f) f) Points Points for for attention attention on on descending descending gradient: gradient:
1) 1) Check the Check the brake sy brake system for stem for functional wor functional work before k before driving driving on a on a descending descending
gradient; gradient;
2) 2) When the When the vehicle vehicle is dri is driven on ven on a long a long descending gradient, descending gradient, engine exhaust engine exhaust
brake is recommended. Shift the range selector to the low-gear range to make brake is recommended. Shift the range selector to the low-gear range to make
the exhaust brake work more efficiently; the exhaust brake work more efficiently;
3) 3) Prevent the Prevent the engine from engine from overrunning. Overrunning overrunning. Overrunning of the of the engine refers engine refers to the to the
phenomenon that the engine driven by the wheel runs at the engine RPM phenomenon that the engine driven by the wheel runs at the engine RPM
which exceeds its maximum permissible engine RPM. which exceeds its maximum permissible engine RPM.
(1 (1) ) The The engine is a engine is apt to be pt to be damaged damaged due to overrunnin due to overrunnin g; g;
(2 (2) ) Downshift after de Downshift after decelerating. W celerating. When downsh hen downsh ifting fro ifting fro m gea m gear 4, r 4, the engine the engine
RPM should be below 1500 rpm; when downshifting from gear 3, the RPM should be below 1500 rpm; when downshifting from gear 3, the
engine RPM engine RPM shou shou ld b ld b elow 120 elow 1200 rpm. Otherwise, overrunnin 0 rpm. Otherwise, overrunnin g may occ g may occ ur. ur.
g) g) If oil If oil shortage occur shortage occurs during s during driving, air driving, air would enter would enter into the into the fuel system. fuel system. If the If the
engine still can not be started after adding the fuel, deaerate the fuel system. engine still can not be started after adding the fuel, deaerate the fuel system.
It is forbidden to slip after engine shutdown. It is forbidden to slip after engine shutdown.
Warning Warning
Caution Caution