Connection Of Radiator Water Outlet And Inlet Pipes; Removal And Installation Of Radiator; Operation After Removal; Removal Steps - Lifan 620 Maintenance Manual

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2) Smear the specified sealant evenly. Sealant and sealing is not need at some place.
3) Install the thermostat when the sealant is still damp (within 15 min).

(3) Connection of radiator water outlet and inlet pipes

1) Insert the water outlet and inlet pipes into the connectors or projected part of the drain pipe
connector.
2) Install according to the alignment mark on the water inlet pipe and clamp.
VI. Radiator

Removal and installation of radiator

(1) Operation before removal
Discharge the coolant
1) Remove the bolt for drainage and the cover of radiator in order, and then discharge the coolant
in the radiator, warm air blower and engine;
2) Dismantle the drain valve of the cylinder body, and discharge the coolant in the water-cooled
jacket;
3) Dismantle the coolant reservoir and discharge the coolant;
4) After the coolant is discharged, fill water from the radiator cover and clean the coolant pipeline;
5) Remove the lower housing plate;
6) Remove the air cleaner;
7) Remove the battery and bracket.

(2) Operation after removal:

1) Smear the specified sealant on the screw thread of the drain valve on the cylinder body.
Sealant: Clear out the old sealant before using the new one LT5699. Tightening torque: 40±5N·m
2) Confirm that the bolt for drainage of the radiator cover has been screwed down;
3) Install the coolant reservoir;
4) Fill the coolant to the radiator opening, and fill coolant into the reservoir to level "F";
Coolant: ShellFreeze Guardd. Total capacity: 7L
5) Install the radiator cover;
6) Start the engine and warm it up till the thermostat is opened;
7) Stop the engine after it runs at a high speed for several times;
8) When the engine is cool, remove the radiator cover, and then fill the coolant to the water filler of
the radiator. The coolant in reservoir should also reach level "F".
9) ATF supplement and inspection;
10) Install the lower housing plate;
11) Install battery and bracket;
12) Install the air cleaner.
(3) Removal steps (Fig. 2-82)
Removal and installation of electronic fan assembly
Removal of water inlet and outlet pipes of radiator. Firstly make alignment marks on the inlet and
outlet pipes and clamps of radiator.
Notes for installation:
Installation of radiator outlet pipe. Insert the hose into the radiator and the projected part of the
engine according to the alignment mark on the pipe clamp of the radiator.
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