Usage:
Start By:
a. install body retaining pins
1. Drain the oil from the hydraulic tank
2. Disconnect hoses (1), (2) and (4) from torque converter charging scavenge and brake retraction pump (5). Remove the O-ring seals from the hoses.
3. Remove tube (3) from the pump, and remove the O-ring seal from the tube.
4. Fasten a hoist and tool (A) to pump (5).
5. Remove the bolts that hold the pump to the torque converter. Install two 3/8 " - 16 NC forcing screws (6) in pump (5). Tighten the forcing screws evenly, and remove the pump and gasket. The weight of the torque converter charging, scavenge and brake retraction pump is 38 kg (84 lb).
NOTE: The following steps are for installation of the torque converter charging, scavenge and brake retraction pump.
6. Fasten a hoist and tool (A) to torque converter charging, scavenge and brake retraction pump (5). Put the gasket and pump in position on the torque converter, and install the bolts that hold it.
7. Put the O-ring seal in position on tube (3), and install the tube on the pump.
8. Put the O-ring seals in position in hoses (2), (4) and (1), and connect the hoses to the pump.
9. Fill the hydraulic tank to the correct level. See the Operation And Maintenance Manual.
End By:
a. remove body retaining pins
Disassemble Torque Converter Charging, Scavenge And Brake Retraction Pump
Start By:
a. remove torque converter charging, scavenge and brake retraction pump
1. Remove locknut (1) and washer (2).
2. Remove gear (3) with tool (A).
3. Remove key (4) from the gear assembly.
4. Remove the bolts that hold cover (5), and remove the cover.
5. Remove O-ring seal (7) from cover (5).
6. Remove two bearings (6) from the cover with tool (B).
7. Remove gears (8) and (9) from the gear assemblies.
8. Remove key (10) from the gear assembly.
9. Remove body (11). If necessary, remove dowels (12) from the body.
10. Remove O-ring seal (15) from body (13).
11. Remove gear assembly (14) from the body.
12. Remove two bolts (17) and manifold (16).
13. Remove O-ring seal (19) from manifold (16).
14. Remove two bearings (18) from the manifold.
15. Remove gears (22) and (23).
16. Remove body (20). If necessary, remove dowels (21) from the body.
17. Remove key (25) from shaft assembly (24), and remove the gear assembly from body (13).
18. Remove O-ring seal (26) from body (13).
19. Remove two bearings (27) from the body with tool (A).
Assemble Torque Converter Charging, Scavenge And Brake Retraction Pump
1. Clean and inspect all parts. Replace all parts that are worn or damaged.
2. Put clean SAE 10W oil on all parts.
3. Install two bearings (1) in body (3) with tool (A). Install the bearings with the joint 30 degrees ± 15 degrees toward outlet hole (2) from the centerline of the two bearings. Install the bearings to a depth of 1.50 ± 0.25 mm (.059 ± .010 in) below the surface.
4. Check the diameter of the bearings. The diameter of the bearings must be 31.786 ± .008 mm (1.2514 ± .0003 in) after installation.
5. Put O-ring seal (4) in position in body (3).
6. Install shaft assembly (5) on body (3).
7. Put key (6) in position in gear assembly (5).
8. If dowels (8) were removed from the body, install the four dowels in body (7) until they extend 5.0 ± 0.5 mm (.20 ± .02 in) from the surface of the body.
9. Put body (7) in position on body (3).
10. Put gear (9) in position on the gear assembly, and install gear (10) in the body.
11. Install two bearings (14) in manifold (11) with tool (A). Install the bearings with the joint 30 degrees ± 15 degrees toward outlet port (12) from the centerline of th two bearings. Install the bearings to a depth of 1.50 ± 0.25 mm (.059 ± .010 in) below the surface.
12. Check the diameter of the bearings. The diameter of the bearings must be 31.786 ± .008 mm (1.2514 ± .0003 in) after installation.
13. Put O-ring seal (13) in position in manifold (11).
14. Put manifold (11) in position on body (7), and install two bolts (15).
15. Put gear assembly (17) in position in body (3) and into the gear.
16. Put O-ring seal (16) in position in body (3).
17. If dowels (18) were removed from body (19), install the four dowels until they extend 5.0 ± 0.5 mm (.20 ± .02 in) from the surface.
18. Put body (19) in position on body (3).
19. Install key (20) in gear assembly (5).
20. Put gears (21) and (22) in position on the gear assemblies.
21. Install two bearings (23) in body (24) with tool (A). Install the bearings with the joint 30 degrees ± 15 degrees toward slot (26) from the centerline of the two bearings. Install the bearings until they are 1.57 mm (.062 in) below the surface.
22. Put O-ring seal (25) in position on body (24).
23. Put body (24) in position on body (19), and install bolts (28).
24. Put key (27) in position in the gear assembly.
25. Put gear (31) in position on the key and gear assembly, and install washer (30) and locknut (29). Tighten the locknut to a torque of 110 ± 13 N·m (80 ± 10 lb ft).
26. Lubricate the pump with clean SAE 10W oil. Turn the pump by hand. The pump must rotate freely by hand.
End By:
a. install torque converter charging, scavenge and brake retraction pump