Hino S5-LJ05E04A Workshop Manual page 552

COOLING (J05E)
(2) Pump the tester and measure opening pressure of the relief valve.
! CAUTION
This pumping speed applies only to initial pumping. (For the pur-
pose of closing the vacuum valve.) Subsequent pumping may be
performed at a lower speed.
NOTICE
•
Use the highest measurement value read by the tester as
opening pressure.
•
If opening pressure falls below the limit, replace the radiator
cap.
MOUNTING THE RADIATOR CAP
1. MOUNTING THE RADIATOR CAP
(1) Mounting the radiator cap by rotating it right to the second block.
RADIATOR
CAP
! CAUTION
If the cap is not mounted securely, high-temperature coolant will
spray out at the time of overheat.
FIRST
SECOND
SHTS021271100026
Standard value
93.1-122.9 kPa
2
{0.95-1.25 kgf/cm ,
2
13.5-17.8 lbf/in. }
12–17
Limit
79 kPa
2 2
{0.8 kgf/cm , 11.4 lbf/in. }