Lifan 620. Manual - part 34

5) Remove the brake lamp components.   

 Release the brake lamp switch and 

①

locking nuts.   

 Remove the brake lamp switch from the brake pedal support. 

②

 

6）Remove the pad of brake pedal from the brake pedal. 
(2) Installation   
1) Install the brake pedal pad on the pedal. 
2) Install the brake lamp components on the brake pedal. 
3) Install the brake pedal. 
①

 Smear lithium base glycol grease on the head face and side on the 2 new bushes.   
 

②

Install the brake pedal and 2 bushes onto the brake pedal support by bolts and nuts. Tightening 

①

②

 

③

①

②

Fig. 2-49 

 Start 

①

the engine and then stop it after 1-2 min, and slowly step down the pedal for several times. 

Note:

 It proves good air tightness in case that the pedal drops greatly at the first trample rises 

gradually after the second or third trample.   

 

②

When the engine is running, step down the brake pedal and then stop the engine. Note: It 

proves good air tightness if the braking distance has no change at 30s after the pedal is stepped 
down. 
2) Operation Inspection. 

 When the ignition switch is at position OFF,

①

 step down the pedal for times, and then check if the 

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braking distance is changed.   

 

②

Step down the pedal and start the engine. Note: The operation is normal if the pedal drops 

①

②

 

Fig. 2-51 

4) Remove the front brake pad suite. 

 Remove 

①

the 2 brake pads with silencer pads. 

 Remove No.1 and No. 2 silencer pads from each brake pad.

②

 

5) Remove the front brake pad holding piece. Remove the 2 lining pads from the support of the 

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brake master pump. 
6) Remove the sliding pin of the slave cylinder of front disc brake. Remove the sliding pin from the 
support of the disc brake master pump.     
7) Remove the dustproof cover of the front disc sliding pin. Remove the 2 dustproof cover from the 
support of the slave cylinder of front disc brake. See Fig. 2-52. 

 

 

①

 Blow out the piston from the slave cylinder by compressed air. See Fig. 2

②

-54. Note: Do not put 

your hand before the piston when blowing the compressed air.   

 

Fig. 2-54 

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12) Remove the oil seal of piston. Take out the oil seal from the brake slave cylinder by a 
screwdriver. See Fig. 2-55. 

 

Fig. 2-55 

①

②

①

 

Fig. 2-57 

 

③

In case that the swaying of brake disc reaches or exceeds the limit, check the axial clearance of 

the bearing and the swaying of wheel hub. If both bearing and hub are normal, adjust the swaying 
of brake disc. 
(3) Installation   
1) Temporarily screw down the air discharging bolt on the front brake slave cylinder.   

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