Hitachi ZW 310-6 Operator's Manual page 309

8. Lubricate the breather element O-ring seal with clean
lubricating oil.
9. Install new breather element (3) onto breather base
(4).
10. Install crankcase breather cover (1).
11. Install crankcase breather cover capscrews (2) (11
used).
Tightening torque: 10 N-m (7.4 lbf-ft)
f
NOTE: Tighten the capscrews in the sequence shown.
MAINTENANCE
2
4
7-31
3
90Z7B-7-29-4
1
3
90Z7B-7-29-2
90Z7B-7-29-5