SYSTEM / Hydraulic System
T2-3-20
Pump Control Circuit
(Refer to the COMPONENT OPERATION / Pump
Device group.)
•
Pump Control by Servo Piston Control Pressure
•
Servo piston control pressure (PS2) is supplied
from the charging block for actuation of the servo
piston of the main pump.
•
Pump Flow Control by Flow Control Pressure
(Pi1/Pi2)
•
Pressures upward and downward the orifice – Pi1
and Pi2 – of the pump flow control valve installed
at the farthest downstream of the control valve
neutral circuit are supplied to the main pump
regulator in order to adjust the pump flow.
•
Pump Flow Control by Pump Torque Control
Solenoid Valve
•
The signal from MC actuates the pump torque
control solenoid valve, and controls pilot pressure
(X) supplied to the main pump regulator in order
to control the pump flow.
Содержание ZW180
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Страница 165: ...SYSTEM Electrical System T2 4 15 T4GD 02 04 019 Battery Relay Battery SC FC L L B E D Alternator B Regulator F R ...
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Страница 185: ...MEMO ...
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Страница 195: ...COMPONENT OPERATION Pump Device T3 1 7 Blank ...
Страница 210: ...COMPONENT OPERATION Control Valve T3 2 2 Component Layout T4GB 03 02 003 1 2 3 4 5 7 8 9 10 11 7 6 ...
Страница 212: ...COMPONENT OPERATION Control Valve T3 2 4 T4GB 03 02 003 1 2 3 4 5 7 8 9 10 11 7 6 ...
Страница 214: ...COMPONENT OPERATION Control Valve T3 2 6 T4GB 03 02 003 1 2 3 4 5 7 8 9 10 11 7 6 ...
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Страница 239: ...COMPONENT OPERATION Hydraulic Fan Motor T3 3 7 T4GB 03 03 005 7 8 From Fan Pump P B A 12 T To Hydraulic Oil Tank ...
Страница 248: ...COMPONENT OPERATION Steering Pilot Valve T3 4 6 Blank ...
Страница 258: ...COMPONENT OPERATION Steering Valve T3 5 10 Blank ...
Страница 274: ...COMPONENT OPERATION Pilot Valve T3 6 16 Blank ...
Страница 282: ...COMPONENT OPERATION Pilot Valve T3 6 24 Blank ...
Страница 299: ...COMPONENT OPERATION Ride Control Valve T3 8 5 Blank ...
Страница 306: ...COMPONENT OPERATION Ride Control Valve T3 8 12 Blank ...
Страница 316: ...COMPONENT OPERATION Drive Unit T3 9 10 Forward Clutch Shaft T4GD 03 09 005 Reverse Clutch Shaft T4GD 03 09 006 ...
Страница 345: ...COMPONENT OPERATION Drive Unit T3 9 39 T107 02 07 005 1 Spool 2 Spring 3 Solenoid T P S a a 1 2 3 ...
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