BENDIX BW1460 Manuel d'utilisateur

1®COMPACT 500 INTEGRAL HYDRAULIC POWER STEERING GEARFOR FORD MOTOR CO. CARGO VEHICLESSD-30-4250I. DESCRIPTIONThe Compact 500 Hydraulic Power Steering

10FIGURE 114. Separate the valve body from the housing by rotating theoutput shaft using the pitman arm if it has not beenpreviously removed. Conti

118. Install the pitman arm and use it to center the pistonand output shaft sector teeth inside cover opening.Remove the pitman arm and then re

12FIGURE 16PISTON REMOVAL & DISASSEMBLY9. While preventing rotation of the input shaft, remove thespindle, valve body and piston from the housing.

13Rotate the input shaft and spindle(34) counterclockwiseto remove the remainder of the 26 internal balls(29) (asmall magnet is a useful tool for this

14SIDE COVER DISASSEMBLY15. Remove O-ring(40) and seal(39). (See Figure 24)NOTE: Do not attempt to remove the bearing. The sidecover MUST BE replaced

1517. Remove the inner O-ring(17) and the nylon seal ring(18)from the valve body(16).NOTE: Do not remove the inner ball race(28) from the valvebody(16

16OUTPUT SHAFT DISASSEMBLY20. Remove the snap ring(38), the adjusting screw spacer(37)and the adjusting screw(36) from output shaft. (SeeFigure

17FIGURE 33VALVE BODY (REFER TO FIGURE 30)1. Place the valve body(16) in a vise and lightly tighten onthe cast surface. Install the ball(12), spring(1

18FIGURE 36FIGURE 35Without removing tool 297676, insert the nut(33) intothe valve body(16), screw and tighten it to a torque of330 ft. lbs. with a sp

19FIGURE 38Insert the 19 balls (29) one by one in one of the openings forthe recirculating tubes located in the piston (48) while turningthe spindle a

2Page No.I. DESCRIPTION 2II. OPERATION 2-41. General 22. Mechanical Parts 23. Hydraulic Parts 2, 34. Power Steering Identification 4III. TECHNICAL DAT

20FIGURE 41242726 2523

21FIGURE 42FIGURE 43until the bearing spacer and outer race are seated againstthe snap ring.Install the seal(27) on tool 297674 so that the seals lip

22FIGURE 45FIGURE 47FIGURE 469. Install the side cover seal(39) on tool 297675 so that theseals lip groove rests against the large diameter of thetoo

23FIGURE 48Install the four washers(2) and the four bolts(42) thatsecure the side cover to the housing and torque to 96ft.lbs. with a 22mm wrench. (Se

24PART NUMBER 106773PRESSURE RELIEF VALVE TEST PLUG ASSEMBLYFIGURE 502. Allow the power steering pump fluid to cool to 130°Fbefore testing is resumed.

25A. Gauge pressure should read the same as the powersteering pump relief pressure. (See Step 1 underRelief Pressure Test - Power Steering Pump)B. W

26TROUBLESHOOTING CHARTSYMPTOM CAUSE REMEDY1. Power steering does A. Low oil level. A. Check oil level.not operate.B. Air in system. B. Check that the

27SYMPTOM CAUSE REMEDY5. Power steering A. Faulty operation of A. Check pump to performanceoperates normally pressure pump. specification. Overhaulbut

3FIGURE 1 - MECHANICAL OPERATIONBALL SCREWRECIRCULATINGBALLSPISTON NUTSTEERINGWHEELSPINDLEPITMANARMPOWER CYLINDERPITMAN ARMPISTON NUTRECIRCULATINGBA

4FIGURE 2SEAL ANDGLIDE RINGSSPINDLE ASSEMBLY W/ROTARY VALVE (BALLSCREW ASSEMBLY)DELIVERY FROMROTARY VALVEOIL OUTINPUTSHAFTVALVE NUTBY PASSVAL

5displacement is eliminated and the rotary valve returns to aneutral position.Moderate effort at the steering wheel produces smaller valvedisplacement

6IV. PREVENTIVE MAINTENANCEPOWER STEERING OILIt is important that an approved oil be used to assure properoperation of the power steering unit.

76. When the oil level reaches the full mark on the dipstick,start the engine and turn the steering wheel slowly fromside to side until air bubbles

83. Disconnect the steering column at the input shaft followingthe vehicle manufacturers instructions.4. Disconnect the pitman arm from the vehicles

9FIGURE 71. Valve Body Bolt2. Washer3. Pressure Relief Valve Plug4. Sealing Washer5. Adjusting Washer (Shim)6. Pressure Relief Valve Spring7