Machine Operation
SY50U Excavator OMM
4-14
Operation and Maintenance Manual — 0120
SANY
SEAT AND SEAT BELT
This machine has an operator seat with seat position, seat backrest, and seat weight suspension adjustments.
Seat Position Adjustment
Fig. 4-12
4
0002779
1
2
3
When seated, lift the position adjustment lever (4) located
on the front lower edge of the seat. Slide the seat forward or
backward to the desired position and release the lever to
lock the seat in place.
Seat Backrest Adjustment
Rotate the backrest adjustment dial (2), on the right side of
the seat, clockwise or counterclockwise to adjust the
backrest forward or backward.
Seat Weight Suspension Adjustment
Use the seat weight adjustment lever (1) to select from one
of three weight levels (light, medium, or heavy) that are
indicated on the seat weight adjustment lever. The seat will
lock in the desired position each time the lever is pressed
down and released.
Seat Belt
NOTE:
A recoil assembly (3) is attached to the seat belt. It removes slack from the seat belt and locks to
restrain the operator. It also retracts the seat belt when not in use.
WARNING!
Inspect the seat belt. Replace the seat belt immediately if the webbing is frayed or cut, if the
buckle is damaged or malfunctions, or if the mounting hardware is loose. Replace according
to seat belt manufacturer’s instructions.
Always make sure the seat belt is fastened during machine operation. Never twist the seat
belt when fastening it.
Failure to follow these warnings could result in death or serious injury.