Yamaha 440 Service Manual download pdf (Page 28)

1980 SRX440

rail suspension

to

"5-3

C.

Installation

1. Install the radiator and coolant hoses.

2. Inspect the cooling system. (Refer to

"3-2-A

Cooling system

check"}

3. Fill

with

the

coolant. (Refer

to

"3-2-0

Replenishing

coolant")

and rivets

to

"3-1-C

2. Remove

the

slide

assembly.

(Refer

SUSPENSION".)

3. Remove

the

seat assembly.

4. Remove the coolant hoses

securing

the

heat exchanger.

B.

Inspection

1. In very dusty conditions, the radiator

tube system should be kept clean by

blowing

through

with

compressed air

from

the

engine side.

2. Check

the

radiator for leakage and

damage. Repair as necessary.

3. Check the coolant hoses for cracks and

damage. Replace as required.

A.

Removal

1. Drain

the

coolant. (Refer

Draining

coolant")

3-4.

HEAT

EXCHANGER

A.

Removal

1. Drain the coolant. (Refer to

"3-1-C

Draining

coolant"}

2. Remove the coolant hoses.

3. Remove

the

radiator stay bolts. and re-

move

the

radiator.

3-3.

RADIATOR

2.

Apply

10

bar (1.0

kg/cm

2

)

pressure. and

observe the gauge to check

whether

pressure drops or not. If

the

pressure

shows

a drop. the cooling system is

leaky. Repair as required. (Refer to

"3-3

Radiator" or below.)

B.

Radiator

cap

check

Using a pressure gauge. inspect

the

radiator

cap pressure and vacuum valve for spring

tension and seating condition.

If

the

valve

opens at a pressure level

below

the specified

value or

otherwise

defective. replace the

radiator cap.

. Valve opening pressure:

8

~

10

bar (0.8

~

1.0

kg/cm

2

)

5. Remove

the

heat exchanger.

B.

Inspection

Check

the

heat exchanger for cracks. broken

fins or leakage. Replace as required.

C.

Installation

1. Secure

the

heat exchanger to

the

center

of

the

fra me

with

new

rivets.

2. Install

the

coolant

hoses.

3. Inspect

the

cooling system. (Refer to

"3-2-A

Cooling system

check"}

3-4

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