Opel 1900 1973, Service Manual, Page: 407 / 625

1973 OPEL SERVICE MANUAL
T H I R D C L U T C H A S S E M B L Y
Figure Third Clutch Drum, Piston and Springs, Clutch Plates,
Input Sun Gear. Sprag Race And Retainer Assembly
The shaft is an integral part of the transmis-
sion oil pump and supports the assembly at the
inner race of the roller clutch assembly.
The input shaft is welded to the third clutch drum.
The
outer race is splined to the third clutch
drum and the inner race is splined to the input sun
gear. See Figure
The second clutch assembly is supported by the oil
pump hub. The second clutch composition plates are
splined to the outside of the third clutch drum, mak-
ing the third clutch drum the hub for the second
clutch. The ring gear is splined to the second clutch
drum. See Figure
The reverse clutch piston assembly is housed on the
back side of the oil pump body. The reverse clutch
steel plates are splined to the transmission case and
the composition plates are splined to the outside of
the second clutch drum. See Figure
The re-
verse clutch serves to hold the 2nd clutch drum and
ring gear stationary in reverse range.
The ring gear surrounds the planetary carrier and
the teeth mesh with the front portion of the long
pinions. The reaction sun gear is pressed into the
reaction sun gear drum. See Figure
The low
band
is
wrapped around the
reaction sun gear
drum
to function as the holding member for the reaction
sun gear.