Hitachi EX1900-5 Operator's Manual page 207

CAUTION: Use reduced compressed air
pressure. (Less than 0.2 MPa, 2 kgf/cm
Clear area of bystanders, guard against flying
chips, and wear personal protection equip-
ment including goggles or safety glasses.
10. Clean outer element (4) using compressed air.
Direct the air to the inside of the filter element,
blowing out.
11. Clean the filter interior before installing outer
element (4).
12. Install outer element (4) into the body to hold it in
place, tighten wing nut (3) by hand. After wing nut
(3) makes contact with the end face of outer ele-
ment (4), tighten it to 5.9±0.1 N m (0.6±0.1 kgf m,
4.3±0.1 lbf ft) by hand.
13. Install cover (2) and tighten clamps (1).
14. Start the engine and run at slow idle.
15. Check the air filter restriction indicator on the
monitor panel. If the air filter restriction indicator
comes ON, stop the engine and replace the outer
element (4).
16. When replacing the air cleaner filter element, re-
place both outer (4) and inner (5) elements to-
gether. Remove outer element (4). Clean the fil-
ter interior before removing inner element (5).
Remove wing nut (6) and inner element (5). First
install inner element (5) and then install outer
element (4).
Wing nut (6) tightening torque:
4.4±1 N·m (0.45±0.1 kgf·m, 3.25±0.74 lbf·ft)
MAINTENANCE
2
).
7-75
1
2
M18C-07-032
3
4
M18C-07-034
5
6
M18C-07-035