Zoomlion QY30V, Руководство пользователя

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07-13 07-13
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 Adjustin 4 Adjustin g, cleaning and replacing g, cleaning and replacing parts parts
7. 7.4. 4.1 T 1 Tables for ables for regular adjust regular adjust ing, cl ing, cl eaning and r eaning and r eplacing parts eplacing parts
— — Ta Table ble for for parts parts regular regular adjusti adjusti ng ng
I t e m I t e m
E v e r y E v e r y
m o n t h m o n t h
E v e r y 3 E v e r y 3
m o n t h s m o n t h s
E v e r y 6 E v e r y 6
m o n t h s m o n t h s
E v e r y E v e r y
y e a r y e a r
Adjust the adjusting bolt under the service br Adjust the adjusting bolt under the service brake ake
pedal to make its free stroke vary from 10 mm to pedal to make its free stroke vary from 10 mm to
22 mm.
22 mm.
○ ○
Adjust the brake drum Adjust the brake drum regulators of right and left regulators of right and left
brakes on the front and rear axles to ensure that brakes on the front and rear axles to ensure that
the clearance between brake drum and brake
the clearance between brake drum and brake
shoe varies from 0.3 mm to 0.5
shoe varies from 0.3 mm to 0.5 mm. mm.
○ ○
Adjust the angle between push rod of brake Adjust the angle between push rod of brake
chamber and brake arm to make it more than chamber and brake arm to make it more than
90 90
0 0
, and then stop the crane and try to depress , and then stop the crane and try to depress
service brake pedal to ensure that the push rod service brake pedal to ensure that the push rod
and brake arm
and brake arm move smoothly. move smoothly.
○ ○
Adjust the free stroke of clutch pedal to make it Adjust the free stroke of clutch pedal to make it
vary from 25 mm to 30 mm. vary from 25 mm to 30 mm.
○ ○
Deaerate the hydraulic pipelines of clutch. Deaerate the hydraulic pipelines of clutch. ○ ○
Adjust Adjust the the free free clearance clearance of of steering steering wheel wheel to to
ensure the free turning angle does not exceed ensure the free turning angle does not exceed
30° wherever the steering wheel is located. The
30° wherever the steering wheel is located. The
adjusting steps are shown as follows:
adjusting steps are shown as follows:
1. loosen the locking nuts on the side cover of
1. loosen the locking nuts on the side cover of
steering gear;
steering gear;
2. screw the bolt in or out until proper free
2. screw the bolt in or out until proper free
clearance of steering wheel is achieved;
clearance of steering wheel is achieved;
3. screw down the locking nuts with a tightening 3. screw down the locking nuts with a tightening
torque of 130 – 180 N.m. torque of 130 – 180 N.m.
○ ○
Adjust the tie rod of front steering axle to ensure Adjust the tie rod of front steering axle to ensure
the toe-in of front axle is 0 – 4 mm (the toe-in the toe-in of front axle is 0 – 4 mm (the toe-in
should be measured at the position where the
should be measured at the position where the
maximum diameter of tire is reached.).
maximum diameter of tire is reached.).
○ ○
Adjust the limit screw on the steering knuckle of Adjust the limit screw on the steering knuckle of
front axles to ensure that the maximum steering front axles to ensure that the maximum steering
angle of inner wheel of 40° and the maximum
angle of inner wheel of 40° and the maximum
steering angle of outer wheel is 33°.
steering angle of outer wheel is 33°.
○ ○
Adjust the position of adjusting bolts on the Adjust the position of adjusting bolts on the
inner end or outer end of inner end or outer end of release lever to ensure release lever to ensure
each inner end is located in the same plane, each inner end is located in the same plane,
and the error is not more than 0.25mm.
and the error is not more than 0.25mm.
○ ○
Adjust Adjust engine engine cooling cooling fan, fan, air air compressor compressor and and
t b lt t b lt
○ ○