Zoomlion QY30V, Manual

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07-27 07-27
M a i n t e n a n c e a n d s e r v i c e M a i n t e n a n c e a n d s e r v i c e
7. 7.4. 4.8 De 8 Deaera aerate air fro te air fro m clu m clu tch tch brake flui brake flui d d
Fig. 07 – 12 Fig. 07 – 12
a) a) Open the Open the rubber cover rubber cover of the of the air reli air relief bolt ef bolt on clutch on clutch booster cylinder booster cylinder, and , and place a place a
container beneath it; container beneath it;
b) b) Depress the Depress the clutch pedal clutch pedal for several for several times. At times. At the same the same time, another time, another person person
screws off the air relief bolt to discharge the brake fluid and air; screws off the air relief bolt to discharge the brake fluid and air;
c) c) Screw Screw down the down the air air relief relief bolt bolt and r and release the elease the clutch clutch pedal; pedal;
d) d) Repeat the Repeat the steps b) steps b) and c) and c) until there until there is no is no bubbles in bubbles in the discharged the discharged brake fluid; brake fluid;
e) e) Screw Screw down the down the air r air relief bolt elief bolt and put and put on the on the rubber cover rubber cover..
7. 7.4. 4.9 Battery 9 Battery maintenance and maintenance and service service
The battery of this vehicle meets the national standard GB/T 5008.1 - 2005. If there are The battery of this vehicle meets the national standard GB/T 5008.1 - 2005. If there are
no malfunctions in electrical devices, charge the battery at any time if necessary. If the no malfunctions in electrical devices, charge the battery at any time if necessary. If the
battery cannot be charged or is under-charged, check the generator for malfunctions battery cannot be charged or is under-charged, check the generator for malfunctions
and rectify and rectify it immediately. it immediately.
Pay attention to the following items: Pay attention to the following items:
a) a) Often check Often check and screw and screw down the l down the liquid air iquid air plug, keep a plug, keep a free flow free flow through the through the
exhaust vent and make the battery in the clear and dry status; exhaust vent and make the battery in the clear and dry status;
b) b) After ordinary After ordinary charge, check charge, check whether the whether the electrolyte level electrolyte level is about is about 10 – 15m 10 – 15mm m
above the top edge of the battery plates. If not, top up with distilled water; above the top edge of the battery plates. If not, top up with distilled water;
c) c) For idle For idle battery battery, if i , if it is not t is not used for mor used for more than a e than a month, disconnect it month, disconnect it with the with the
electrical system of the crane. If the crane is not used for a long time, charge the electrical system of the crane. If the crane is not used for a long time, charge the
battery every three months; battery every three months;
d) d) The battery The battery terminals and terminals and connecting wires connecting wires should be kept should be kept clean so clean so that the that the
battery can come into contact with the wire The battery and terminals should be battery can come into contact with the wire The battery and terminals should be