D877 MGB Rev01 HE250.docx
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2 Schemes and adjustments
2.1
Main components
MAIN COMPONENTS
1
Gauge
2 Gauge cut-out cock
5 Maximum pressure valve adjusting screw
- clockwise increase (+) - anticlockwise decrease (-)
12 VSC valve zero contact
16 ENR solenoid valve (unblock VNR valve)
17 Emergency manual lowering (clockwise rotation)
18 Filter
19 Ball valve
20 ERS solenoid valve (unblock VSR valve)
25 Emergency manual lowering minimum pressure
- clockwise increase (+) - anticlockwise decrease (-)
26 Hand pump
27 Hand pump maximum pressure valve
- clockwise increase (+) - anticlockwise decrease (-)
28 Hand pump non-return valve
29 Hand pump air-release screw
TF
Flow meter
TP1
Pressure meter
TT
Temperature meter
MPP
VSC valve command Stepper motor
M
Cylinder port
P
Pump port
S
Tank port
PM
Hand pump input port
(P1) Auxiliary micro-relevelling port
OPERATING LIMITS
METRIC USA
- Max static pressure:
45 bar 650 psi
- Max operating pressure: 55 bar 800 psi
- Minimum pressure:
10 bar 145 psi
- Flow:
20 - 250 l/min 3 - 65 gpm
- Room temperature:
10 - 60 °C 50 - 150 °F
- Viscosity:
14 - 290 cSt