P O W E R T R A I N
TM 5-3805-258-24-1
T R A N S M I S S I O N
S Y S T E M S O P E R A T I O N
The two clutches, No. 1 and No. 2, nearest the
The No. 3, No. 4, No. 5 and No. 6 clutches are the
input end of the transmission are the direction
speed clutches. The No. 3 clutch gives FOURTH
clutches. The No. 1 clutch is the REVERSE direc-
speed. The No. 4 clutch gives THIRD speed. The
tion clutch. The No. 2 clutch is the FORWARD
No. 5 clutch gives SECOND speed. The No. 6 clutch
direction clutch.
gives FIRST speed.
FIRST SPEED FORWARD
POWER FLOW IN FIRST SPEED FORWARD (No. 2 and No. 6 Clutchee Engaged)
4. No. 2 l un gear.
10. No. 4 carrier.
16. No. 6 carrier.
26. No. 3 planetary geara.
5. No. 2 clutch.
11. No. 4 eun gear.
19. No. 6 eun gear.
27. No. 4 planetary geara.
6. Ring gear for No. 2
13. Ring gear for No. 4
22. Output shaft.
26. Housing aaaembly.
clutch.
clutch.
23. input shaft.
26. No. 6 planetary geara.
7. No. 2 and No. 3 carrier.
16. No. 6 clutch.
25. No. 2 planetary geara.
9. Ring gear for No. 3
17. Ring gaar for No. 6
clutch.
clutch.
When the transmission is in FIRST SPEED FOR-
No. 3 carrier turns, No. 3 planetary gears (26) turn.
WARD, No. 6 and No. 2 clutches are engaged. The
The No. 3 planetary gears turn ring gear (9) for the
No. 2 clutch holds ring gear (6) for the No. 2 clutch
No. 3 clutch and output shaft (22). Ring gear (9)
stationary. The No. 6 clutch holds ring gear (17) for
turns No. 4 carrier (10). As the No. 4 carrier turns,
the No. 6 clutch stationary. Input shaft (23) turns
No. 4 planetary gears (27) turn. The No. 4 planetary
No. 2 sun gear (4). No. 2 sun gear turns No. 2
gears turn ring gear (13) for the No. 4 clutch, which
planetary gears (25).
is fastened to housing assembly (28) by bolts. The
Since ring gear (6) is held stationary by the No. 2
No. 4 planetary gears also turn No. 4 sun gear (11).
No. 4 sun gear turns output shaft (22).
clutch, planetary gears (25 ) move around the inside
of the ring gear. The movement of planetary gears
Since ring gear (17) is held stationary by the No. 6
(25) causes No. 2 and No. 3 carrier (7) to turn in the
clutch, planetary gears (29) move around the inside
same direction as input shaft (23). As the No. 2 and
of the ring gear. The movement of planetary gears
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