Series 51 Hydraulic Proportional Controls HZ, HA ... - Sauer-Danfoss
Series 51 Hydraulic Proportional Controls HZ, HA ... - Sauer-Danfoss
Series 51 Hydraulic Proportional Controls HZ, HA ... - Sauer-Danfoss
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<strong>Series</strong> <strong>51</strong> <strong>Hydraulic</strong> <strong>Proportional</strong> <strong>Controls</strong><br />
Service Manual<br />
Contents<br />
HS Control Operation ........................................................................................................................................................21<br />
Functional Description .........................................................................................................................21<br />
Repair ................................................................................................................................................................22<br />
H1, H2, K1, K2 <strong>Controls</strong><br />
HP Control<br />
HC Control<br />
J1, J2, J3, J4 <strong>Controls</strong><br />
JA Control<br />
Operation ........................................................................................................................................................23<br />
Functional Description .........................................................................................................................23<br />
Solenoid Valve ..........................................................................................................................................23<br />
Repair ................................................................................................................................................................24<br />
Operation ........................................................................................................................................................26<br />
Functional Description .........................................................................................................................26<br />
HP Control .................................................................................................................................................26<br />
Shuttle Valve .............................................................................................................................................26<br />
Connecting Pin ........................................................................................................................................26<br />
Repair ................................................................................................................................................................27<br />
Operation ........................................................................................................................................................29<br />
Functional Description .........................................................................................................................29<br />
Check Valve ...............................................................................................................................................29<br />
Shuttle Valve .............................................................................................................................................29<br />
Connecting Pin ........................................................................................................................................29<br />
Repair ................................................................................................................................................................30<br />
Operation ........................................................................................................................................................33<br />
Functional Description .........................................................................................................................33<br />
Solenoid Valve ..........................................................................................................................................33<br />
Repair ................................................................................................................................................................34<br />
Operation ........................................................................................................................................................37<br />
Functional Description .........................................................................................................................37<br />
Signal Pressure .........................................................................................................................................37<br />
Repair ................................................................................................................................................................38<br />
4 11009446 • Rev AC • November 2010
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