7A4-50 UNIT REPAIR (JR405E)
34C&L-SUB15
10.Dish plate, drive plate, driven plate, and retaining plate
Install the low clutch dish plate (1), the 2 mm thick driven
plate (2), the 7 drive plate (3), the other 6 driven plates (4),
and the retaining plate (5).
NOTE:
Dish plate side with the identification mark must face the
driven plate.
248L300006
11.Snap ring
Install the snap ring to the low clutch drum.
NOTE:
It is careful in the attachment direction of dish plate.
35C&L-SUB38
36CLEAR06
Inspection
Insert the low one-way clutch inner race to the low clutch
drum.
Force compressed air (392 kPa/4.0 kg/cm
2) through the
oil passages of the low one-way clutch inner race to
check low clutch operation.
If the low clutch does not operate, the seal rings may be
damaged or the parts may have been installed in the
wrong order.
Measure the clearance between the low clutch retaining
plate and the snap ring.
If the clearance is outside the specified range, replace
the existing plate with a new plate of the proper size
(thickness).
Low clutch retaining plate and snap ring clearance:
0.9~1.3 mm (0.035~0.051 in)
Available low clutch retaining plate thicknesses
3.8 mm (0.150 in)
4.0 mm (0.157 in)
7A4-84 UNIT REPAIR (JR405E)
SERVICE STANDARD
Name BESCO ATF II or ATF III ATF
Quantity L 9.2 – 9.6
Seal ring clearance mm (in) 0.10 – 0.25 (0.0039 – 0.0098)
Housing and inner rotor side clearance mm (in) 0.02 – 0.04 (0.0008 – 0.0016)
Oil pump
Outer rotor and crescent clearance mm (in) 0.02 – 0.15 (0.0008 – 0.0059)
Number of drive plate / driven plate 7/7
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.9 – 1.3 (0.035 – 0.051)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
Available low clutch retaining plate thickness mm (in)
4.8 (0.189)
Number of coil 9.9
Outside diameter mm (in) 9.7 (0.382)
Free length mm (in) 36.4 (1.433)
Low clutch
Return spring
Linear diameter mm (in) 1.2 (0.047)
Number of drive plate / driven plate 5/5
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 1.2 – 1.6 (0.047 – 0.063)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
Available high clutch retaining plate thickness mm (in)
5.4 (0.213)
Number of coil 10.2
Outside diameter mm (in) 8.0 (0.315)
Free length mm (in) 27.1 (1.067)
High clutch
Return spring
Linear diameter mm (in) 1.1 (0.043)
Number of drive plate / driven plate 2/2
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.6 – 0.9 (0.0236 – 0.035)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
Reverse clutch
Available reverse clutch retaining plate thickness mm (in)
5.4 (0.213)
Low one-way
clutch Seal ring clearance mm (in) 0.10 – 0.25 (0.0039 – 0.0098)
Number of drive plate / driven plate 6/6
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.7 – 1.1 (0.028 – 0.043)
5.2 (0.205)
5.4 (0.213)
5.6 (0.220)
5.8 (0.228)
Low & reverse
brake
Available low & reverse brake retaining plate
thickness mm (in)
6.0 (0.236)
