clutch SSANGYONG KORANDO 2012 Workshop Manual

04-6
2. SATIC (SELF ADJUSTING TECHNOLOGY WITH
INTEGRATED CASSETTE)
Function â–¶
Operation â–¶On the conventional clutch, the pedal force tends
to increase in proportion to the degree of disc
run-out. However, the SATIC clutch has the
adjusting function which activates the cassette
system inserted to the clutch cover to maintain a
constant pedal force and clearance when the
disc runs out. (Unlike SAT type, SATIC type
does not need SST for clutch cover removal.)
Diaphragm spring rotates the adjusting
equipment as clutch disc is wearing and so,
pressure plate is pushed to clutch disc side at the
amount of wear.
Disc wear (Free play) → Diaphragm spring
(1) → Adjusting equipment (2, 3) → Pressure
plate (4)
1) System Description

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Operating Elements â–¶
The clutch "release" system consists of the clutch pedal and clutch release cylinder.
This system directly releases the clutch by using hydraulic pressure while the conventional clutch system
releases the clutch by using release lever and release fork. This system provides higher efficiency than
conventional clutch system, and its durability is superior.
Clutch master cylinder (mounted on clutch pedal)
Concentric slave cylinder pipe (mounted inside of transmission) -
-Driving elements â–¶
The driving elements consist of two flat surfaces machined to a smooth finish.
One of these is the rear face of the engine flywheel and the other is the clutch pressure plate. The clutch
pressure plate is fitted into a clutch steel cover, which is bolted to the flywheel.
Driven elements â–¶
The driven element is the clutch disc with a splined hub which is free to slide lengthwise along the splines
of the input shaft.
The driving and driven elements are held in contact by spring pressure. This pressure is exerted by a
diaphragm spring in the clutch cover pressure plate assembly.
2) Overview

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3) Layout
Clutch discClutch cover assembly
Concentric slave cylinderDual mass flywheel (DMF)
Clutch setting jig

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1. SPECIFICATION
Unit Description Specification
PTU
(Power Transfer Unit)Gear ratio 2.929
Numbers of helical gear 22/39
Numbers of hypoid gear 23/38
Oil IDEMITSU LW 80W/90
Oil capacity≒ 0.58 L
Operating temperature-40 to 150°C
E-coupling Maximum torque 1,000 Nm
Operating temperature-40 to 120°C
Numbers of main clutch Outer: 11, Inner: 11
Numbers of pilot clutch Outer: 4, Inner: 3
Coil windings 240 turns
Weight 8 kg
Oil ECF107 (ATF based EMCD special oil)
Oil capacity 0.145 L (145 ml)

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2. SYSTEM LAYOUT
1) Components
(1) PTU (Power Transfer Unit)
<007b008f008c004700970096009e008c00990047009b009900880095009a008d008c00990047009c00950090009b0047009000950047009b008f008c0047008d009900960095009b0047009e008f008c008c00930047008b00990090009d008c0047009400
96008b008c00930047008a008f00880095008e008c009a0047>the angle of engine torque to 90°
and transfer it to E-coupling to distribute the torque to rear wheels.
(2) E-Coupling (Electronic Coupling)
E-Coupling transfer the engine torque from PTU to rear axle and controls to distribute it between front
wheels and rear wheels.
(3) E-Coupling Control Unit (ECU)
E-Coupling controls the current (clutch engagement force) of EMCD in E-Coupling according to CAN
signals (wheel speed, engine torque, pedal position, ABS/ESP signals).
* EMCD: Electro-Magnetic Control Device PTU assemblyE-coupling control unit
(located on the floor under driver seat)E-coupling