Machine Controls
SY135C Excavator
3-18
Operation and Maintenance Manual — 0120
SANY
Air Ride Seat Adjustment
Pull the air ride seat adjustment lever (8) up to raise the seat. Press the lever down to lower the seat. This will adjust
the proper air ride for the weight of the operator. The height adjustment setting is indicated in the adjustment
window (7).
NOTE:
The battery must be connected and the key switch must be in the ON position to raise or the seat up.
The seat can be lowered with the key switch in the OFF position.
Lumbar Adjustment
Fig. 3-26
0004613
12
The lumbar adjustment knob is behind the backrest on the
left side. Turn the lumbar adjustment knob (12) clockwise
to increase lumbar support, and counterclockwise to
decrease it.
Seat Belt
Buckle the Seat Belt
Fig. 3-27
0005064
2
3
1
4
1
The seat belt (1) is provided to keep the operator securely
in the operator’s seat. To buckle the seatbelt, hold the latch
plate (4) and pull upward to lengthen the belt. Insert the
latch plate into the buckle (2) until it locks. Pull on the
loose belt from the latch plate to tighten
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 keep the seat belt fastened during machine operation. Never twist the seat belt
when fastening it.
• Keep belt slack to no more than 1 in. (25 mm). Belt slack beyond this amount could
significantly reduce your protection in an accident.
Failure to follow these warnings could result in death or serious injury.