Haulotte H12SX, Maintenance Book

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107 4001015340 E 12.18 USA / GB
H12 SX - HS3388 RT - H12 SXL - HS3388 RT XL - H15 SX - HS4388 RT - H15 SXL -
H18 SX - HS5388 RT - H18 SXL
E
- Trouble shooting and diagram
Front view : Other components
Description of the components
Marking Description Function
1 YV14A
Differential locking control solenoid valve (Low and medium-speed driving)
(Between left side and right side)
2 YV11
High-speed drive control solenoid valve
(Places the hydraulic engines in series)
3 YV10
Differential locking control solenoid valve (Low drive speed)
(Between forwards and reverse drive for the left side)
4 YV17
Differential locking control solenoid valve (Low drive speed)Between forwards
and reverse drive for the right side
5 YV21A Rear steering control solenoid valve
6 YV21B Front steering control solenoid valve
7 YV12
High-speed drive control solenoid valve
(Controls the relief valve) - 180 bars (2611 psi)
8 YV8
Medium travel speed control solenoid valve
(Controls the system to keep the axle in a closed circuit : Free wheels)
9 PWM1
Proportional solenoid valve
(Used for all movements except steering)
10 YV22A Left steering control solenoid valve
11 YV22B Right steering control solenoid valve
12 YV18B Stabiliser extension control solenoid valve
13 YV13 Platform elevation control solenoid valve