ET5YU1013
CHECKING THE AIR FILTER CASE VALVE
1. Check:
• Air filter case valve operation
M
MMM
M MMM
M
M MMM
M
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".
Vacuum/pressure pump gauge
set
90890-06756
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.
1
L
LLL
L LLL
L
L LLL
L
M MMM
M
M MMM
M
M MMM
M
2
L LLL
L
L LLL
L
L LLL
L
MMM
LLL
4-5
GENERAL CHASSIS