NANO

988 / 1980

ENGINE COMPONENTS
37
C. Thermostat Test:
1. Endurance Test:
To be tested for 1000 hours at 15 cycles/hour
on sampling basis with alternate temperature
of 99 0 C and 700 C at end of test S.O.T not
exceed ± 30 C and max loss of lift 15%.
2. High Temperature Test:
Keep it for one hour at 1350 C, change in
opening temperature ± 30 C and loss of lift
12% is permissible.
3. Low Temperature Test:
Keep it for 24 hours at -400 C, change in
opening temperature should be 10 C.