SECTION 14: STEERING
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PA1621 Maintenance Manual All Series | January 2017
17. TORQUE SPECIFICATIONS
The torque specifications applicable to the front axle steering are grouped with information regarding the
front suspension. Please refer to Section 16: SUSPENSION of this manual.
18. SPECIFICATIONS
Power Steering Gear
Make ............................................................................................................................. ZF-SERVOCOMTRONIC
Type ............................................................................................................................................ Speed Sensitive
F.E.W. .................................................................................................................................. 16,600 lbs (7 545 kg)
Pressure rating ........................................................................................................................ 2,175 psi (150 Bar)
Gear ratio (center) ...................................................................................................................................... 22.2 : 1
Gear ratio (extremities)............................................................................................................................... 26.2 : 1
Minimum pump flow for 1.5 hwt/sec ........................................................................................ 4.22 gpm (16 lpm)
Power Steering Gear
Make ............................................................................................................................................ZF-SERVOCOM
F.E.W. .................................................................................................................................. 16,600 lbs (7 545 kg)
Pressure rating ........................................................................................................................ 2,175 psi (150 Bar)
Gear ratio (center) ...................................................................................................................................... 22.2 : 1
Gear ratio (extremities)............................................................................................................................... 26.2 : 1
Minimum pump flow for 1.5 hwt/sec ........................................................................................ 4.22 gpm (16 lpm)
Power Steering Gear (with IFS)
Make ............................................................................................................................................ZF-SERVOCOM
Type. ............................................................................................................................................................... 8098
F.E.W. .................................................................................................................................. 19,000 lbs (8 618 kg)
Pressure rating ........................................................................................................................ 2,320 psi (160 Bar)
Power Steering Reservoir
Oil capacity ............................................................................................................................. 4 US qts (3.7 liters)
Make ............................................................................................................................................... Nelson Muffler
Steering Stabilizer Cylinder (Damper)
Extended length.................................................................................................................................. 32.73±0.12"
Collapsed length ................................................................................................................................. 20.26±0.12"
Stroke .................................................................................................................................................. 12.47±0.12"
Front I-Beam Axle
Make ............................................................................................................................. DANA SPICER EUROPE
Model ............................................................................................................................................................. S84U
Front Track ...................................................................................................................... 84.4 inches (2 145 mm)
Rated load capacity ............................................................................................................. 16,500 lbs (7 500 kg)
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