Case CONSTRUCTION 3 Series - Page 27

18 SECTION 00 - INTRODUCTION
3.8 STEERING SYSTEM
System pressure .................................................................................................................... 175 bar (2537 psi)
POWER STEERING
Tightening torques
STEERING CYLINDER
3.9 HYDRAULIC SYSTEM
PRESSURE ADJUSTMENT
Working attachment
Primary safety pressure ......................................................................................................... 250 bar (3625 psi)
Secondary safety pressure - tilt dumping cylinder bottom side.............................................. 280 bar (4059 psi)
Secondary safety pressure - tilt dumping cylinder rod side.................................................... 250 bar (3625 psi)
Secondary safety pressure - boom cylinder bottom side ....................................................... 280 bar (4059 psi)
21E - 121E - 221E 321E
Model OSPC200LS OSPC315LS
Displacement
cm
3
/rev (in
3
/rev)
200 (12.20) 315 (19.22)
Rated oil flow l/min (gal/min) 20 (5.30) 32 (8.40)
Weight kg (lb) 5.8 (13) 6.2 (14)
Relief valve adjustment bar (psi) 240 (3840) 240 (3840)
Component Tightening torque (Nm) (lbf·ft)
Steering wheel nut 55 (40.56)
Steering column bracket 23 (16.97)
End cover 30 (22.12)
Connector 45 (33.19)
Adaptors 55 (40.56)
Check valve 30 (22.12)
21E 121E 221E 321E
Quantity 1
Ø rod mm (in) 32 (1.25) 40 (1.57)
Ø piston mm (in) 70 (2.75) 80 (3.14)
Stroke mm (in) 300 (11.81) 300 (11.81)