15
Figure 11 The system of hydraulic
Hydraulic
pump
Oil
pot
Power
box
Solenoid
valve
Lifting hydraulic
cylinder
Pitch hydraulic
cylinder
Figure 12
Checking method:
1. Open to the maximum position for the
lower part of hydraulic cylinder and the
higher part of hydraulic cylinder under
the chair.
2. See the oil in the oil tank before opening
the front shell.
3. If the oil have less than one-third at this
time, you need to refuel the oil. (refer to
figure 12)
When the oil in the tank is less than the
provisions, you need to add some oil.
P/N: 8013093 Rev
：
F
AJ16 User's Guide
4.3.3 The system of hydraulic