Hitachi ZW 120-6 Operator's Manual page 255

Check Oil Level
1. Park the machine following the same procedures as
described on page 7-7 for preparation of inspection/
maintenance work.
2. Install articulation lock bar to the front and rear of the
frame by following the procedures described on page
7-9.
3. Clean the vicinity of oil level plug (2).
4. Remove oil level plug (2). Clean the tip of dipstick (3)
connected to oil level plug (2) with a clean cloth.
5. Make the plug lower surface contact to the axle seat
face. Oil level must be between marks H and L (4) on the
dipstick (3).
Refill as necessary.
MAINTENANCE
7-37
2
M4FJ-07-032
Proper
M4GB-07-039
3
4