Lifan 620. Manual — part 25

Table 1-78 (Continued)

S/N Operation Test

Results

Actions

Yes Next

step

5

Check the spark plug for each cylinder. Check if its

model and gap can meet with starndards.

No

Adjust or replace

Yes Wash

relevant

parts

6

7

8

9

10

11

Yes Diagnosis

help

12

Connect the electronic injection system adapter. Turn on

the ignition switch. Check the power supply of the pin

12#, 13#, 44#, 45#, 63#. Check the grounding of the pin

3#, 51#, 53#, 61#, 80#. Are they OK?

No

Check and repair

relevant line

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Section V Security Items for System Maintenance

1. Security items for the diagnosis and maintenance of the fuel injection electronic control system
(1) Remove and install requirements for the controller

Remove the controller before welding and paint baking;

①

Turn the ignition switch to OFF when remove the controller to avoid damage;

②

When the engine is running or

③

the electrical system is under operation, do not disconnect with

the battery;

Do not st

④

art the engine with high electricity from charger;

⑤

①

②

①

③

④

⑤

⑥

⑧

apply a little lubricant to the O-ring.
After the system being opened, try not to use compressed air and make the vehicle move.

2. Security measures
To avoid personal injury and damage the fuel injection and ignition device:
Do not connect or disconnect the ignition harness if the engine is under operation or at a rotation speed
for start-up; disconnect the harness connector from the hall sensor (distributor) if the engine is driven by
the starting motor yet not actually started (like compressed pressure check, etc).

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Chapter II Chassis System

Section I Suspension and Axle

I. Overview

1. Front axle and front suspension, Fig. 2-1.

8. Cotter pin 9. Hexagon flange slotted nut (100 N·m)

10. Left front lower arm assembly 11. Sub-frame rubber plug

12. Sub-frame assembly 13. Hexagon bolt with flat washer (210 N·m)

14. Hexagon flange nut (75 N·m) 15. Front stabilizer rod rubber mount

16. Front stabilizer rod hoop 17. Hexagon bolt with taper washer (23 N·m)

18. Front stabilizer rod assembly 19. Hexagon flange nut

20. Right front lower arm assembly 21. Right front shock damper assembly

22. Hexagon flange nut (75 N·m)

103

Thus

please do not adjust the inclination and caster angle of the kingpin.
(5) The non-payload is lighter, which helps to decrease the impact load on the suspension and
improve the driving smoothness of the vehicle.
(6) The left and right wheels are independently hinged, which assists the wheels to contact the

104