Hitachi ZX27U-2 Operator's Manual page 151

Hydraulic excavator zaxis series
Table of Contents

Advertisement

4. Rotate the hexagon section on the bottom of filter (4)
case (6) counterclockwise using a tool such as a
wrench to remove filter case (6) from head cover (5).
5. While rotating filter element (7), pull to remove filter
element (7) downward.
6. Replace O-ring (8) with a new one.
7. Securely install O-ring (8) in the O-ring groove on
head cover (5).
8. Coat the seal on new filter element (7) with clean hy-
draulic oil. Completely install filter element (7) into
head cover (5) while rotating filter element (7) taking
care not to damage the filter element.
9. Take care not allow dust and/or water enter the filter
case.
10. Install case (6) into head cover (5) while rotating the
case clockwise.
Tightening Torque: 25 to 34 N⋅m
11. After replacing the filter element, bleed any remaining
air from the hydraulic circuit while running the engine
at a slow speed for approx. 3 minutes.
12. Check the oil level in the hydraulic oil tank. Add oil as
needed.
13. Install under cover (2).
Wrench size: 17 mm
14. Tighten the hydraulic oil tank cap (1).
MAINTENANCE
(2.5 to 3.5 kgf⋅m, 18.0 to 25.5 lbf⋅ft)
8
7
6
ZX27U
7-31
4
5
, ZX30U
, ZX35U
-2
-2
-2
ZX40U
, ZX50U
-2
-2
M1M7-07-072
M503-07-031
M1M7-07-032
M1M7-03-004

Advertisement

Table of Contents
loading

This manual is also suitable for:

Zx30u-2Zx35u-2Zx40u-2Zx50u-2

Table of Contents