Power Steering; Hydraulic System - New Holland B90BLR Service Manual

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12
STEERING
2WS ............................................................................................................................................... 2 wheel steer
4WS ............................................................................................................................................... 4 wheel steer
System pressure .............................................................................................. 170 ÷ 175 bar (2465 ÷ 2538 psi)

POWER STEERING

2WS (with variable-flow-rate pump)
Model ........................................................................................................................ EATON P/N 403 -8754-04
Flow rate .................................................................................................................... 160 cm
Shock valve adjustment ......................................................................................................... 235 bar (3408 psi)
Load-sensing pressure relief valve adjustment...................................................................... 175 bar (2538 psi)
2WS (with gear pump)
Model ........................................................................................................................ EATON P/N 403 -8754-08
Flow rate .................................................................................................................... 160 cm
Shock valve adjustment ......................................................................................................... 235 bar (3408 psi)
Load-sensing pressure relief valve adjustment...............................................................................................No
4WS
Model ........................................................................................................................ EATON P/N 403 -7754-04
Flow rate .................................................................................................................... 160 cm
Shock valve adjustment ......................................................................................................... 235 bar (3408 psi)
Load-sensing pressure relief valve adjustment...................................................................... 175 bar (2538 psi)

HYDRAULIC SYSTEM

GEAR PUMP
72 kW - 97 HP Pump (B90B - B100B - B100BTC)
Model .......................................................................................................... CASAPPA KP 30.34 - 05 S6 - LMF
Type ....................................................................................................................................... double gear pump
Flow rate ....................................................................................35.427 + 35.427 cm
82 kW - 110 HP Pump (B110B - B110BTC - B115B)
Model .......................................................................................................... CASAPPA KP 30.38 - 05 S6 - LMF
Type ....................................................................................................................................... double gear pump
Flow rate ....................................................................................40.258 + 35.427 cm
VARIABLE-FLOW-RATE PUMP
72 kW - 97 HP Pump (B90B - B100B - B100BTC)
Model ....................................................................................................................... DANFOSS J71C Series 45
Type ......................................................................................................................................... with axial pistons
Flow rate ..................................................................................................................... 71 cm
82 kW - 110 HP Pump (B110B - B110BTC - B115B)
Model ....................................................................................................................... DANFOSS J75C Series 45
Type ......................................................................................................................................... with axial pistons
Flow rate ..................................................................................................................... 75 cm
SECTION 02 - TECHNICAL SPECIFICATIONS
3
3
/rev (9.76 in
/rev)
3
3
/rev (9.76 in
/rev)
3
3
/rev (9.76 in
/rev)
3
3
/rev (2.16 + 2.16 in
/rev)
3
3
/rev (2.45 + 2.16 in
/rev)
3
3
/rev (4.33 in
/rev)
3
3
/rev (4.57 in
/rev)

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B90bB100bB100blrB100btcB110bB110btc ... Show all

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