Section 14: STEERING
PA1553
11
14. TORQUE SPECIFICATIONS
DRY TORQUES
Description Reference Lbf-ft Nm
Drag Link Socket End Clamp Bolt Nut (2) Fig. 12, T1 40-60 55-80
Drag Link End Stud Nut (on steering arm) Fig. 12, T2 150-200 203-271
Steering Gear Fixing Bolts (5) Fig. 12, T3 365-405 495-550
Pitman Arm Fixing Nut Fig. 12, T4 470-570 637-773
15. SPECIFICATIONS
Power Steering Gear
Make............................................................................................................................. ZF-SERVOCOMTRONIC
Model..............................................................................................................................................................8098
Supplier number..............................................................................................................................8098-988-571
Prevost number..........................................................................................................................................661044
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
Model..............................................................................................................................................................8098
Supplier number..............................................................................................................................8098-988-570
Prevost number..........................................................................................................................................661045
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 Pump
Make...............................................................................................................................................................TRW
Type........................................................................................................................................................PS Series
Relief valve setting ............................................................................................................2,175 psi (14 990 kPa)
Controlled flow rate ..................................................................................................................4.23 gpm (16 lpm)
Inlet port................................................................................................................................................. 1 1/4 NPT
Outlet port.....................................................................................3/4-16 straight thread SAE O’ ring boss conn.
Supplier number....................................................................................................................... PS251615L10200
Prevost number..........................................................................................................................................661009
Gasket - Supplier number......................................................................................................................23516100
Gasket - Prevost number...........................................................................................................................510488