Hitachi ZW 550-6 Operator's Manual page 215

6. Adjust the position of outside rear view mirror (9) and
inside rear view mirror (10) so that the best rear visibility
can be obtained.
7. While seated on the operator's seat with your back in
contact with the backrest, adjust each function of the
seat so that the brake pedal can be fully applied.
8. Fasten seat belt (11) along your body without kinking or
twisting it. Be sure the buckle firmly snaps when coupled
and works as it should, and the retractor and anti-synch
mechanism work as designed.
9. Inspect seat belt.
OPERATING THE ENGINE
3-5
10
9
115Z7-01-126
11
115Z7-3-4-3