COMPONENT OPERATION / Pump Device
T3-1-4
REGULATOR
The regulator controls flow of the main pump by
receiving various kinds of signal pressure.
The regulator includes spring (1), sleeve 1 (2), sleeve 2
(7), spool 1 (3), spool 2 (6), piston (4), load piston (5),
inner spring (8) and outer spring (9).
The regulator opens and closes the circuit to servo
piston 1 (10) by receiving various kinds of signal
pressure, and controls delivery flow of the pump by
changing the displacement angle of swash plate (11).
NOTE: Primary pilot pressure (Pg) is always
applied to servo piston 2 (12).
T4GB-03-01-006
Pd1 - Own Pump Pressure
Pi1 - Pump Control
Pressure 1
ST - Pump Torque Control
Pressure
Pi2 - Pump Control
Pressure 2
T -
Returning to Hydraulic
Oil Tank
Pg - Primary Pilot
Pressure
(From Pilot Pump)
3
2
1
4
5
Pi1
T
Air
Vent
Pi2
Pg
T
ST
Pd1
T
Increase
Decrease
Displacement Angle
7
6
10
12
8, 9
Содержание ZW180
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Страница 10: ...GENERAL Specification T1 1 2 Blank ...
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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 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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