Machine Controls
SY26U Excavator OMM
3-22
Operation and Maintenance Manual — 1119
SANY
Pattern Change (SAE/BHL) Valve
The pattern change (SAE/BHL) valve changes control of the boom and arm from one joystick to the other.
To change the operation mode, perform the following steps:
1. Shut the engine down.
2. Lift up the left forward corner of the floor mat (1) (as
shown) to access the pattern change (SAE/BHL) valve.
3. Loosen the fastener (3) until it is free of the threaded
hole.
4. Rotate the bar (4) to position 1 for BHL mode or
position 2 for SAE mode as shown.
5. Tighten the fastener into the threaded hole (2).
6. Lower the floor mat.
NOTICE!
Shut the engine down before adjusting the pattern change (SAE/BHL) valve. Failure to do so
can damage the machine, personal property, and the environment, or cause the machine to
operate improperly.
Fig. 3-28
0003190
1
3
4
Fig. 3-29
0003191
2