HEAT EXCHANGER
INSPECTION
1. Inspect:
RS90M
2. Measure:
Measurement steps:
• Attach the cooling system tester 1 to the cool-
• Apply the specified pressure for 10 seconds
6-4
• Coolant hoses
• Heat exchangers
• Oil cooler
• Coolant pipes
• Carburetor coolant shut-off assembly
(For RS90M)
Cracks/damage → Replace.
• Filler cap opening pressure
Cap opens with a pressure below the speci-
fied pressure → Replace.
Filler cap opening pressure:
93.3 ~ 122.7 kPa
(0.93 ~ 1.23 kg/cm
ant filler cap 2.
Cooling system tester:
90890-01325, YU-24460-01
Adapter:
90890-01352, YU-33984
and make sure there is no pressure drop.
COOL
2
, 13.2 ~ 17.5 psi)