Service Brakes; Parking Brake; Power Steering - New Holland B90B Service Manual

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10
BRAKES

SERVICE BRAKES

2WS
Type ........................................................................................................wet multi-discs, 4 x axle (2 x half axle)
Braking surface ..................................................................................................................... 1236 cm
4WS
Type ........................................................................................................wet multi-discs, 6 x axle (3 x half axle)
Braking surface ..................................................................................................................... 1092 cm

PARKING BRAKE

Type (2WS) ......................................................................................SAHR = spring applied hydraulic released
Type (4WS) ................................................................................................................................................ lever
STEERING
2WS ............................................................................................................................................... 2 wheel steer
4WS ............................................................................................................................................... 4 wheel steer
System pressure .............................................................................................. 170 ÷ 175 bar (2465 ÷ 2538 psi)

POWER STEERING

2WS (mechanical models)
Model ......................................................................................................................... EATON P/N 403-8754-58
Displacement ............................................................................................................. 160 cm
Shock valve..................................................................................................................................................... no
Load-sensing pressure relief valve adjustment............................................................................................... no
2WS (pilot models)
Model ......................................................................................................................... EATON P/N 403-8754-52
Displacement ............................................................................................................. 160 cm
Shock valve..................................................................................................................................................... no
Load-sensing pressure relief valve adjustment...................................................................... 175 bar (2538 psi)
4WS
Model ......................................................................................................................... EATON P/N 403-7754-04
Displacement ............................................................................................................. 160 cm
Shock valve adjustment ......................................................................................................... 235 bar (3408 psi)
Load-sensing pressure relief valve adjustment...................................................................... 175 bar (2538 psi)
SECTION 02 - TECHNICAL SPECIFICATIONS
2
2
(191 in
)
2
2
(169 in
)
3
3
/rev (9.76 in
/rev)
3
3
/rev (9.76 in
/rev)
3
3
/rev (9.76 in
/rev)

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