Hitachi ZW 180-6 Operator's Manual page 298

8. One point each to front right and left steering cylinder
pins (10 and 11).
--- every 250 hours
10- Cylinder left front
11- Cylinder right front
9. One point each to right and left steering cylinder rod
pins (12 and 13).
--- every 250 hours
Left rear (12)
Right rear (13)
MAINTENANCE
7-26
10 11 MNEC-07-007
12, 13
M4GB-07-008