GENERAL CHASSIS
4-5
ET5YU1013
CHECKING THE AIR FILTER CASE VALVE
1. Check:
• Air filter case valve operation
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a. Remove the air filter case (with the air filter
case valve).
b. Connect the vacuum/pressure pump gauge
set “1” to the air filter case valve “2”.
c. Check that the air filter case valve operates
when vacuum pressure is applied to the valve
using the vacuum/pressure pump gauge set.
Faulty → Replace the air filter case valve.
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Vacuum/pressure pump gauge
set
90890-06756
1
2