Circuit diagrams 7
Hydraulic circuit diagram
A Auxiliary hydraulics with duplex or triplex lift mast
1 Left hose pulley
2 Right hose pulley
B Working hydraulics
3 Tilt cylinder
4 Standard lift mast
5 Auxiliary hydraulics connection 2
6 Connection for auxiliary hydraulics 1
7 Solenoid valve
8 Tilt brake valve
9 Load Hold Valve
10 Non-return valve
11 Pressure relief valve 1 (with 250
+5
bar H
40 standard/duplex/triplex lift mast , with
275
+5
bar H 45 standard/duplex/triplex lift
mast, with 275
+5
bar H 50 standard/du-
plex/triplex lift mast)
12 2/2 solenoid valve (pressure governor)
13 Release valve (working hydraulics)
14 Solenoid valve - lift/lower
15 Solenoid valve - tilt
16 Pressure relief valve 2
17 Non-return valve
18 Solenoid valve - auxiliary hydraulics 1
19 Solenoid valve - auxiliary hydraulics 2
CD
epressurisation (special equipment)
2
0
C
ontrol valve
21 Accumulator
22 Non-return valve
23 Brake valve
D Linde Truck Control
24 Working hydraulics central lever
25 Auxiliary hydraulics central lever 1+2
E Internal combustion
engine
F Engine speed regulator
G Complete hydraulic variable pump consisting of:
26 Hydraulic variable pump HPV 105-02 R
27 Exhaust valve
28 Set piston A→forwards B→reverse
29 Non-return valve 1 bar
30 Hydraulic oil temperature sensor (only in
diesel version)
31 4/2 solenoid valve
32 Pilot valve
33 Supply pressure valve 21
+0.5
bar
34 420
+20
bar combined feed + maximum valve
35 2/2 solenoid valve
35 Integrated brake valves
37 Choke plunger (towing unit)
38 15 bar output valve
39 Shuttle valve
40 Servo piston Y→forwards Z→backwards
41 2/2 solenoid valve
42 Proportional valve
H working hydraulics pumps
43 Solenoid valve (retarder only in H45/50
version)
44 3/3 solenoid valve (priority valve)
45 Pressure regulating valve and solenoid
valve
46 Pilot valve
47 Actuator piston for cradle
48 Mean pressure piston pump (adjustable)
MPR
49 16 cm
3
gear pump (feed pump)
I Working hydrau
lics pressure filter/microfilter
K Steering control valve with
50 Suction valve
51 Hose safety valve 220
+10
bar
52 Servostat
53 Maximum valve 120
+5
bar
L Steering cylinder
MBrake
release valve
54 Towing
unit
55 Pedal
group
56 3/2 s
olenoid valve
57 Pum
pforventingbrake
58 Pr
essure relief valve
59 Non-return valve
60 2/2 solenoid valve
N Pressure filter (feed pressure)/microfilter
O Fan drive
61 Solenoid valve
62 Hydraulic motor 12 cm
3
P Radiator
63 Hydraulic oil temperature sensor (only in
LPG version)
R drive axle AH 40, AH 45, AH 50, consisting of:
64 Hydraulic fixed displacement motor
HMF 900 R
65 Multi-disc brake (brake air pressure min.
13 bar)
S Oil tank con
sisting of:
66 Breather wi
th suction and counter-balance
valve 0.35
±0.15 bar
67 Suction fi
lter with by-pass valve 0.25 bar
Operating Instructions – 394 807 10 01 EN – 07/2011 295
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