Radiator Cap Check; Radiator; Removal; Inspection - Yamaha SRX440 1980 Service Manual

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