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TH414 Trans

The document provides detailed illustrations and descriptions of various components involved in electrical output and transmission systems, including input shafts, clutches, gears, and synchronizers. It outlines the operation of clutches and the power flow through the transmission, detailing the engagements of clutches and synchronizers for different speed selections in both forward and reverse directions. Tables summarize the engaged components for each selected speed, emphasizing the functionality of the transmission system.

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solmpiero68
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12 views8 pages

TH414 Trans

The document provides detailed illustrations and descriptions of various components involved in electrical output and transmission systems, including input shafts, clutches, gears, and synchronizers. It outlines the operation of clutches and the power flow through the transmission, detailing the engagements of clutches and synchronizers for different speed selections in both forward and reverse directions. Tables summarize the engaged components for each selected speed, emphasizing the functionality of the transmission system.

Uploaded by

solmpiero68
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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i01938988

Electrical Output Components

Illustration 27
Transmission

Illustration 33
(1) Input shaft (13) Forward clutch (25) First gear
(2) Torque Converter (14) Forward primary gear (26) First gear
(3) Gear (15) Reverse clutch (27) Second gear
(4) Gear (16) Reverse primary gear (28) Second gear
(5) Fan drive shaft (17) Reverse idler shaft (29) Third gear
(6) Gear (18) Gear (30) Third gear
(7) Gear (19) Gear (31) Fourth gear
(8) Pump drive shaft (20) Countershaft (32) Fifth gear
(9) Gear (21) Fourth gear (33) Synchronizer (first/second speeds)
(10) Gear (22) Synchronizer (fifth speed) (34) Synchronizer (third speed and fourth
(11) Forward/Reverse shaft (23) Fifth gear speed)
(12) Input drive gear (24) Output shaft
Clutch Operation

g00886075
Illustration 35
(11) Forward/reverse shaft (38) Clutch piston (44) Needle bearings
(14) Forward primary gear (39) Clutch pack (45) Spring
(16) Reverse primary gear (40) Outer discs (46) Needle bearings
(35) Seal rings (41) Inner discs (47) Spring retainer
(36) Control oil passage (42) Backing plate (48) Circlip
(37) Drum shaft assembly (43) Snap ring
Transmission Power Flow

g01007675
Illustration 45
(1) Input shaft (12) Reverse idler shaft (23) Fourth gear (output shaft)
(2) Gear (13) Gear (24) Fifth gear (output shaft)
(3) Gear (14) Fourth gear (countershaft) (25) Output shaft
(4) Fan drive shaft (15) Countershaft (F) Forward clutch
(5) Gear (16) First gear (countershaft) (R) Reverse clutch
(6) Pump drive shaft (17) Second gear (countershaft) (X) Synchronizer for the first speed and
(7) Input drive gear (18) Third gear (countershaft) second speed
(8) Forward/Reverse shaft (19) Fifth gear (countershaft) (Y) Synchronizer for the third speed and
(9) Forward primary gear (20) First gear (output shaft) fourth speed
(10) Reverse primary gear (21) Second gear (output shaft) (Z) Synchronizer for the fifth speed
(11) Gear (22) Third gear (output shaft)

Table 4 and Table 5 show the engagements of the


clutches and the synchronizers for different speed
selections.
Table 3 Table 4

FORWARD DIRECTION REVERSE DIRECTION


Selected Speed Engaged Clutches and Selected Speed Engaged Clutches and
Synchronizers Synchronizers
Neutral None Neutral None
First Speed Forward Forward clutch (F) and First Speed Reverse Reverse clutch (R) and
synchronizer (X) with synchronizer (X) with
first gear (20) first gear (20)
Second Speed Forward Forward clutch (F) and Second Speed Reverse Reverse clutch (R) and
synchronizer (X) with synchronizer (X) with
second gear (21) second gear (21)
Third Speed Forward Forward clutch (F) and Third Speed Reverse Reverse clutch (R) and
synchronizer (Y) with synchronizer (Y) with
third gear (22) third gear (22)
Fourth Speed Forward (1) Forward clutch (F) and Fourth Speed Reverse Reverse clutch (R) and
synchronizer (Y) with (Power Shuttle synchronizer (Y) with
fourth gear (23) Transmission ) third gear (23)
Fifth Speed Forward (if Forward clutch (F) and
equipped) (1) synchronizer (Z) with
fifth gear (19)
(1) Forward direction only
Neutral (Powersynchro
Transmission)

Illustration 49
.
Neutral into First Gear (Start of
shift)

Illustration 50

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