Haulotte Group Compact 10DX, Maintenance Book

Page: 172 / 198

172 4000014930 E10.16 USA / GB
H12/15/18 SX/SXL - HS 3388/4388/5388 RT/RTXL - COMPACT 10/12 DX - COMPACT 2668/3368 RT
F
- Hydraulic circuit
Description of the components H12/15/18SX(L)
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 bar
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
19 2.031 Forwards drive balancing valve (Acts on braking in reverse drive)
26 2.032 Reverse drive balancing valve (Acts on braking in forwards drive)
31 YV18A Stabiliser retraction control solenoid valve
YV40 (Fast descent below SQ3)