UDRF01.04GB
Maintenance manual DRF 400–450
7 Load handling – 7.3 Protruding
11
Hydraulic diagram basic machine
18
m
D790-1
D797-F
004861
13
17
11
10
9
8
7
1
4
D797-R
14
5
15
PP
P
D
LS
A1
B1
PS
PL
VB
VA
C+
C-
A1
VA
Pa
16
6
D
D
D
D
C
C
2
3
12
D
1.
Control lever (S815-P2)
12.
Control unit frame rear (D797-R)
2.
Control unit cab (D790-1)
13.
Servo valve blocking extension (Y6050)
3.
Control unit frame front (D797-F)
14.
Valve block extension cylinder
4.
Servo valve, boom out (Y6006) or Servo valve, boom
in (Y6007)
15.
Extension cylinder
5.
Control valve lift, lower and extension
16.
Sensor hydraulic pressure lift cylinder (B768-12)
6.
Valve block pump unloading
17.
Servo valve regeneration (Y6046)
7.
Shuttle valve
18.
Position sensor damping boom in (D796-3) or Posi-
tion sensor damping boom out (D796-4) (Mechani-
cal overloading system)
Sensor boom length (B777) (Mechanical over-
loading system with analogue sensors or electronic
overloading system)
8.
Hydraulic oil pump
9.
Pressure reducer
10.
Accumulator servo pressure
11.
Servo filter
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Summary of Contents for DRD450-80S4X
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Page 4: ...UDRF01 04GB Maintenance manual DRF 400 450 2 AForeword https www forkliftpdfmanuals com...
Page 18: ...UDRF01 04GB Maintenance manual DRF 400 450 2 BSafety https www forkliftpdfmanuals com...
Page 60: ...UDRF01 04GB Maintenance manual DRF 400 450 2 1Engine https www forkliftpdfmanuals com...
Page 86: ...UDRF01 04GB Maintenance manual DRF 400 450 2 2Transmission https www forkliftpdfmanuals com...
Page 100: ...UDRF01 04GB Maintenance manual DRF 400 450 2 3Driveline axle https www forkliftpdfmanuals com...
Page 106: ...UDRF01 04GB Maintenance manual DRF 400 450 2 4Brakes https www forkliftpdfmanuals com...
Page 124: ...UDRF01 04GB Maintenance manual DRF 400 450 2 5Steering https www forkliftpdfmanuals com...
Page 130: ...UDRF01 04GB Maintenance manual DRF 400 450 2 6Suspension https www forkliftpdfmanuals com...
Page 150: ...UDRF01 04GB Maintenance manual DRF 400 450 2 7 Load handling https www forkliftpdfmanuals com...
Page 218: ...UDRF01 04GB Maintenance manual DRF 400 450 2 8 Control system https www forkliftpdfmanuals com...
Page 320: ...UDRF01 04GB Maintenance manual DRF 400 450 2 D Error codes https www forkliftpdfmanuals com...
Page 412: ...UDRF01 04GB Maintenance manual DRF 400 450 2 ESchematics https www forkliftpdfmanuals com...
Page 572: ...UDRF01 04GB Maintenance manual DRF 400 450 2 F Technical data https www forkliftpdfmanuals com...