Part 2
A750F AUTOMATIC TRANSMISSION UNIT:
REASSEMBLY - Continued
21. INSTALL FRONT PLANETARY RING GEAR
(a) Install the front planetary ring gear and thrust needle roller bearing on the case.
Thrust needle roller bearing diameter:
22. INSTALL FRONT PLANETARY GEAR ASSEMBLY
(a) Install the thrust washer and thrust needle roller bearing.
(b) Coat the thrust race with petroleum jelly, and install it onto the front planetary ring gear.
Thrust needle roller bearing and race diameter:
(c) Install the front planetary gear assembly and 1-way clutch inner race to the case.
23. INSPECT NO. 1 PISTON STROKE OF BRAKE PISTON
(a) Make sure the No. 1 brake piston moves smoothly when applying and releasing the compressed air into the transmission case.
(b) Using a feeler gauge, measure the B3 brake pack clearance between the snap ring and flange.
Standard piston stroke:
0.42 to 0.72 mm (0.0165 to 0.0283 in.)
If the piston stroke is outside the specification, parts may have been assembled incorrectly. Perform the reassembly again. If the piston stroke is still outside the specification, select another flange.
HINT: There are 4 different thicknesses for the flange.
Flange thickness:
24. INSTALL 2ND BRAKE PISTON
(a) Coat 2 new O-rings with ATF, and install them to the 2nd brake piston.
(b) Press the 2nd brake cylinder into the 2nd brake piston with both hands.
NOTE: Be careful not to damage the O-rings.
(c) Using SST and a press, compress the return spring and install the snap ring.
SST: 09351-40010
NOTE: Be sure the end gap of the snap ring is not aligned with the spring retainer claw.
25. INSTALL 2ND BRAKE CYLINDER
(a) Install the 2nd brake cylinder to the case.
26. INSTALL 1-WAY CLUTCH ASSEMBLY
(a) Install the thrust washer and 1-way clutch to the case.
27. INSTALL 2ND BRAKE PISTON HOLE SNAP RING
(a) Using SST, install the snap ring.
SST: 09350-30020
09350-07060
28. INSTALL NO. 3 BRAKE DISC
(a) Install the cushion plate, 4 plates, 4 discs and flange to the case.
Install in order:
C - P - D - P - D - P - D - P - D - F
HINT: C = Cushion
P = Plate
D = Disc
F = Flange
29. INSTALL NO. 3 BRAKE SNAP RING
(a) Using a screwdriver, install the snap ring.
30. INSTALL DIRECT CLUTCH PISTON SUB-ASSEMBLY
(a) Coat 2 new O-rings with ATF, and install them to the direct clutch piston.
(b) Install the No. 2 clutch balancer and direct clutch return spring to the direct clutch piston.
(c) Coat a new O-ring with ATF, and install it on the clutch drum.
(d) Press the direct clutch piston into the clutch drum with both hands.
NOTE: Be careful not to damage the O-rings.
(e) Place SST on the direct clutch piston, and compress the return spring with a press.
NOTE: Stop pressing when the spring sheet is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring sheet from being deformed.
SST: 09320-89010
SST: 09350-30020
09350-07070
(f) Install the snap ring with a snap ring expander.
NOTE: Do not expand the snap ring excessively.
(g) Set the end gap of the snap ring in the piston as shown in the illustration
NOTE: Be sure the end gap of the snap ring is not aligned with the spring retainer claw.
31. INSTALL REVERSE CLUTCH PISTON SUB-ASSEMBLY
(a) Coat a new O-ring with ATF, and install it on the clutch drum.
(b) Coat a new O-ring with ATF, and install it on the reverse clutch piston.
(c) Press the clutch drum into the reverse clutch piston with both hands.
NOTE: Be careful not to damage the O-ring.
32. INSTALL REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY
(a) Coat a new O-ring with ATF, and install it on the reverse clutch piston.
(b) Install the reverse clutch return spring onto the reverse clutch piston.
33. INSTALL NO. 3 CLUTCH BALANCER
(a) Place SST on the No. 3 clutch balancer, and compress the clutch balancer with a press.
NOTE: Stop pressing when the spring sheet is lowered to the place 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove to prevent the spring sheet from being deformed.
SST: 09387-00070
SST: 09350-30020
09350-07070
(b) Install the snap ring with a snap ring expander.
NOTE: Do not expand the snap ring excessively.
(c) Set the end gap of the snap ring in the piston as shown in the illustration.
NOTE: Be sure the end gap of the snap ring is not aligned with the spring retainer claw.
34. INSTALL DIRECT CLUTCH DISC
(a) Install the 6 plates, 6 discs and reverse clutch flange on the clutch drum.
Install in order:
P - D - P - D - P - D - P - D - P - D - P - D - F
HINT: P = Plate
D = Disc
F = Flange
(b) Using a screwdriver, install the 2 hole snap rings on the clutch drum.
35. INSPECT PACK CLEARANCE OF DIRECT CLUTCH (Inspection)
36. INSTALL REVERSE CLUTCH FLANGE
(a) Install the reverse clutch flange to the clutch drum.
37. INSTALL REVERSE CLUTCH REACTION SLEEVE
(a) Install the 5 reverse clutch discs, 4 clutch plates, reverse clutch flange, clutch cushion plate and reverse clutch reaction sleeve to the reverse clutch hub.
Install in order:
D - P - D - P - D - P - D - P - D - F - C - S
HINT: D = Disc
P = Plate
F = Flange
C = Cushion
S = Sleeve
(b) Using a screwdriver, install the hole snap ring.
38. INSPECT PACK CLEARANCE OF REVERSE CLUTCH (Inspection)
39. REMOVE REVERSE CLUTCH REACTION SLEEVE
(a) Using a screwdriver, remove the snap ring from the clutch drum.
(b) Remove the reverse clutch reaction sleeve, clutch cushion plate, reverse clutch flange, 5 reverse clutch discs, and 4 clutch plates from the reverse clutch hub.
40. INSTALL FORWARD CLUTCH PISTON
(a) Coat 2 new O-rings with ATF, and install them on the forward clutch piston.