1997 MERCEDES-BENZ ML320 Complete Repair Manual

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Page 1377 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 121: Planetary Gear Set, Function (2 Of 5)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me

Page 1378 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 2.
Hollow gear locked.
Sun gear driving.
Planet gears driven.
Relatively high step-down ratio.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - M

Page 1379 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 122: Planetary Gear Set, Function (3 Of 5)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
3. Locking two elements together so that the planetary gear set turns as a unit, produces a direct power

Page 1380 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual transmission (i =1).
Fig. 123: Planetary Gear Set, Function (4 Of 5)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions -

Page 1381 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 4.
Planetary carrier locked.
Sun gear driving.
Ring gear driven.
Direction reversal and step-down ratio.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmi

Page 1382 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 124: Planetary Gear Set, Function (5 Of 5)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Power Flow In 2nd Gear Function

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Tran

Page 1383 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 125: Power Flow In 2nd Gear Function
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Principals of power transmission in 2nd gear
Torque from the torque converter is increased via the propeller sh

Page 1384 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Freewheel (F1)
Center Multi-Disc Clutch (K2)
Front Planetary Gear Set
The planet carrier (V3) and sun gear (V1) are rigidly connected to each other via the engaged front multi-disc
clutch

Freewheel (F1)
Center Multi-Disc Clutch (K2)
Front Planetary Gear Set
The planet carrier (V3) and sun gear (V1) are rigidly connected to each other via the engaged front multi-disc
clutch (K1). The planetary gearset is therefore blocked and turns as a closed unit at the input speed due to the
mechanical connection of the ring gear (V4) and propeller shaft.
Rear Planetary Gear Set
The internal gear (H4) turns at the input speed because of its mechanical connection to the front planet carrier
(V3). The sun gear (H1) is supported via the engaged rear multi-disc brake (B2) and in drive mode via the
locked freewheel (F2), in overrun mode via the engaged rear multi-disc clutch (K3) in the housing. The planet
gears (H2) roll over the fixed sun gear (H1) and provide an increase in torque between the internal gear (H4)
and the planet carrier (H3). The planet carrier (H3) moves at a reduced speed in the direction of engine rotation.
Center Planetary Gear Set
The ring gear (M4) is driven at the same speed as the rear planet carrier (H3) as a result of a mechanical
connection. The sun gear (M1) is supported in the housing via the rear multi-disc brake (B2). The planet gears
(M2) roll over the fixed sun gear (M1) and provide an increase in torque between the internal gear (M4) and the
planet carrier (M3). The output shaft (5) connected to the planet carrier (M3) turns at a reduced speed in the
running direction of the engine.
Torque Converter, Location/Task/Design/Function

See TORQUE CONVERTER, LOCATION/TASK/DESIGN/FUNCTION
.
Planetary Gear Set, Location/Task/Design/Function

See PLANETARY GEAR SET, LOCATION/TASK/DESIGN/FUNCTION
.
Multiple-Disc Brake, Location/Task/Design/Function

See MULTIPLE
-DISC BRAKE, LOCATION/TASK/DESIGN/FUNCTION.
Multi-Plate Clutch, Location/Task/Design/Function

See MULTI
-PLATE CLUTCH, LOCATION/TASK/DESIGN/FUNCTION.
Location/Task/Design/Function Of Freewheel

See LOCATION/TASK/DESIGN/FUNCTION OF FREEWHEEL
.
Power Flow In 3rd Gear Function

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:28 PMPage 215 © 2006 Mitchell Repair Information Company, LLC.

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