Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1968
OPERATION
The input clutches produce a non-positive locking connection between two elements of a planetary gear set or
between one element from each of two planetary gear sets in order to transmit the drive torque.
If the piston (20) on multi-plate clutch K1 (1) is subjected to oil pressure, it presses the internal and external discs
of the disc set together. The sun gear (17) is locked with the planetary carrier (15) via the externally toothed disc
carrier (19) and the internally toothed disc carrier (18). The front planetary gear set is thus locked and turns as a
closed unit.
If the multi-plate clutch K2 (2) is actuated via the piston (14), the piston compresses the disc set. The annulus gear
(16) of the front planetary gear set is locked with the annulus gear (11) of the center planetary gear set via the
externally toothed disc carrier (13) and the center planetary carrier (10) on which the internally toothed discs are
seated. Annulus gear (16) and annulus gear (11) turn at the same speed as the input shaft (21)
If the multi-plate clutch K3 (5) is actuated via the piston (7), the piston compresses the disc set. The sun gear (12)
of the center planetary gear set is locked with the sun gear (9) of the rear planetary gear set via the externally
toothed disc carrier (6) and the internally toothed disc carrier (8). Sun gear (12) and sun gear (9) turn at the same
speed.
Input Clutches
1 - K1 CLUTCH
12 - CENTER PLANETARY GEARSET SUN GEAR
2 - K2 CLUTCH
13 - K2 CLUTCH EXTERNALLY TOOTHED DISC CARRIER
3 - EXTERNALLY TOOTHED DISC
14 - K2 CLUTCH PISTON
4 - INTERNALLY TOOTHED DISC
15 - FRONT PLANETARY GEARSET PLANETARY CARRIER
5 - K3 CLUTCH
16 - FRONT PLANETARY GEARSET ANNULUS GEAR
6 - K3 CLUTCH EXTERNALLY TOOTHED DISC CARRIER
17 - FRONT PLANETARY GEARSET SUN GEAR
7 - K3 CLUTCH PISTON
18 - K1 CLUTCH INTERNALLY TOOTHED DISC CARRIER
8 - K3 CLUTCH INTERNALLY TOOTHED DISC CARRIER
19 - K1 CLUTCH EXTERNALLY TOOTHED DISC CARRIER
9 - REAR PLANETARY GEARSET SUN GEAR
20 - K1 CLUTCH PISTON
10 - CENTER PLANETARY GEARSET PLANETARY CARRIER
21 - INPUT SHAFT
11 - CENTER PLANETARY GEARSET ANNULUS GEAR
21 - 406
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
LX
K1-INPUT CLUTCH
DISASSEMBLY
1. Remove snap-ring (11) from outer multiple-disc carrier (1).
2. Take multiple-disc pack (12) out of outer multiple-disc carrier (1). Note which clutch disc is removed just prior to
the spring plate (8) for re-assembly. If the clutch discs are re-used, this disc must be returned to its original
position on top of the spring plate.
Input Clutch K1 Components
1 - K1 OUTER DISC CARRIER
7 - DISC SPRING
2 - FREEWHEELING CLUTCH F1
8 - SPRING PLATE
3 - SNAP-RING
9 - SPRING PLATE SEALING RING
4 - OUTER DISC CARRIER SEALING RING
10 - SNAP-RING
5 - PISTON SEALING RING
11 - SNAP-RING
6 - PISTON
12 - MULTIPLE DISC PACK - REFER TO TEXT FOR CORRECT
ASSEMBLY ORDER
LX
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
21 - 407
3. Place Multi-use Spring Compressor 8900 (2) on the
spring plate and compress the spring until the
snap-ring (1) is exposed.
4. Remove snap-ring (1).
5. Take out disc spring (7) and remove piston (6) by
carefully blowing compressed air into the drilled oil
feed passage.
6. Remove snap-ring (3) and take out front freewheel-
ing clutch F1 (2). Take care when removing the F1
clutch to prevent the clutch sprags from falling out.
If this occurs, the clutch must be replaced.
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AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
LX
ASSEMBLY
1. Install piston (6) in the outer multiple-disc carrier (1). Check sealing rings (4 and 5), replace if necessary. The
rounded off edges of the sealing rings must point outwards.
2. Insert disc spring (7). Insert disc spring with the curvature towards the piston.
3. Insert spring plate (8). Insert spring plate with the curvature towards the sun gear. Check sealing ring (9), replace
if necessary.
Input Clutch K1 Components
1 - K1 OUTER DISC CARRIER
7 - DISC SPRING
2 - FREEWHEELING CLUTCH F1
8 - SPRING PLATE
3 - SNAP-RING
9 - SPRING PLATE SEALING RING
4 - OUTER DISC CARRIER SEALING RING
10 - SNAP-RING
5 - PISTON SEALING RING
11 - SNAP-RING
6 - PISTON
12 - MULTIPLE DISC PACK - REFER TO TEXT FOR CORRECT
ASSEMBLY ORDER
LX
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
21 - 409
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