SY135C Excavator
Machine Controls
SANY
Operation and Maintenance Manual — 0120
3-33
TABL
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CONT
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INTRODUCTION
SAFE
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MACHIN
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CONTROLS
MACHINE
OP
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MA
INTENANCE
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P
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CI
F
ICA
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L
EQUI
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Pattern Change (SAE/BHL) Valve
The pattern change (SAE/BHL) valve (1) is located behind
the left rear access door. The pattern change valve changes
the control patterns of the left and right joysticks.
•
In the SAE mode, the arm is controlled using the
left joystick, and the boom is controlled using the
right joystick. See “SAE Mode” on page 3-31.
•
In the BHL mode, the arm is controlled using the
right joystick, and the boom is controlled using the
left joystick. See “BHL Mode” on page 3-32.
To switch the pattern change valve between SAE and BHL
modes, perform the following procedures:
1. Shut down the engine. See “Engine Shutdown
2. Open the left rear access door. See “Left Rear Access
3. Loosen the wing nut (2) until it is free of the threaded
hole.
4. Turn the pattern change (SAE/BHL) valve (3) to the
proper position.
5. Tighten the wing nut into the threaded hole.
6. Close the left rear access door.
NOTICE!
Shut down the engine before adjusting the pattern change (SAE/BHL) valve. Failure to follow
this notice could cause damage to the machine or cause it to operate improperly.
0004109
Fig. 3-40
1
0004110
Fig. 3-41
2
3
