3408 VEHICULAR ENGINE Caterpillar


Radiator

Usage:

(1) Pressure Relief Cap or Pressure Relief Valve As.

5S1218 Pressure Relief Valve As.

Pressure that opens relief valve assembly ... 14 to 18 psi(95 to 125 kPa)

Maximum vacuum necessary to make relief valve assembly open ... 1 psi(7 kPa)

(2)

Torque for stud for filler cap ... 40 ± 5 lb. ft.(55 ± 7 N·m)

(3) Center the hump of the hose between the ends of the mating pipes.

NOTE: Use the tightening sequence shown to install top and bottom tanks to radiator core.


TIGHTENING SEQUENCE FOR TYPICAL THREE-ROW TANK


TYPICAL TOP TANK WITH PRESSURE RELIEF VALVE ASSEMBLY


RADIATOR WITH PRESSURE RELIEF CAP


TIGHTENING SEQUENCE FOR TYPICAL TWO-ROW TANK

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