Nissan Terrano r20e. Instruction — part 90
Clutch Disc
INSPECTION
I
Check clutch disc for wear of facing.
Wear limit of facing surface to rivet head:
0.3 mm (0.012 in)
I
Check clutch disc for spline backlash and facing runout.
Maximum spline backlash (at outer edge of disc):
1.0 mm (0.039 in)
Runout limit:
1.0 mm (0.039 in)
Distance of runout check point (from hub center):
120 mm (4.72 in)
I
Check clutch disc for burns, discoloration or oil or grease leak-
age. Replace if necessary.
INSTALLATION
I
Apply “molykote BR2 plus” grease to contact surface of splines
to clutch disc hub.
Too much lubricant might damage clutch disc facing.
YCL023
YCL024
YCL025
CLUTCH DISC AND CLUTCH COVER
CL-11
Clutch Cover and Flywheel
INSPECTION AND ADJUSTMENT
I
Set Tools and check height and unevenness of diaphragm
spring.
Diaphragm spring height “A”:
36.5 - 38.5 mm (1.437 - 1.516 in)
I
Check thrust rings for wear or damage by shaking cover
assembly and listening for chattering noise, or lightly hammer-
ing on rivets for a slight cracking noise. Replace clutch cover
assembly if necessary.
I
Check pressure plate and clutch disc contact surface for slight
burns or discoloration. Repair pressure plate with emery paper.
I
Check pressure plate and clutch disc contact surface for defor-
mation or damage. Replace if necessary.
I
Adjust unevenness of diaphragm spring with Tool.
Uneven limit:
0.7 mm (0.028 in)
FLYWHEEL INSPECTION
I
Check contact surface of flywheel for slight burns or discolora-
tion. Repair flywheel with emery paper.
I
Check flywheel runout.
Runout (Total indicator reading):
Refer to EM section. (Inspection — CYLINDER
BLOCK)
SCL503
SCL504
SCL468
CLUTCH DISC AND CLUTCH COVER
CL-12
INSTALLATION
I
Insert Tool into clutch disc hub when installing clutch cover and
disc.
I
Tighten bolts in numerical order.
I
Be careful not to allow grease to contaminate clutch fac-
ing.
YCL026
CLUTCH DISC AND CLUTCH COVER
Clutch Cover and Flywheel (Cont’d)
CL-13
General Specifications
CLUTCH CONTROL SYSTEM
Type of clutch control
Hydraulic
CLUTCH MASTER CYLINDER
Inner diameter
mm (in)
15.87 (5/8)
CLUTCH OPERATING CYLINDER
Inner diameter
mm (in)
LHD
17.46 (11/16)
RHD
19.05 (3/4)
CLUTCH DISC
Unit: mm (in)
Engine
TD27Ti
ZD30DDTi
Model
250
260
Facing size
(Outer dia. x inner dia. x
thickness)
250 x 160 x 3.7
(9.84 x 6.30 x 0.1457)
Thickness of disc assembly
under load
7.9 - 8.3 (0.311 - 0.327)
Under a load of 5,884 N
(600 kg, 1,323 lb)
CLUTCH COVER
Engine
TD27Ti
ZD30DDTi
Model
250
260
Full load
N (kg, lb)
5,884 (600, 1,323)
6,760 (689, 1,520)
Inspection and Adjustment
CLUTCH PEDAL
Unit: mm (in)
Handle
LHD
RHD
Pedal height*
227 - 237
(8.94 - 9.33)
210 - 220
(8.27 - 8.66)
Pedal stroke
155 - 160 (6.10 - 6.30)
Pedal free play
(Backlash at clevis)
1.0 - 3.0 (0.039 - 0.118)
*: Measured from surface of melt sheet to surface of pedal
pad
CLUTCH DISC
Unit: mm (in)
Engine
TD27Ti
ZD30DDTi
Disc model
250
260
Rear limit of facing
surface to rivet head
0.3 (0.012)
Runout limit of facing
1 (0.04)
Distance of runout
check point (from the
hub center)
120 (4.72)
Maximum of spline
backlash of spline (at
outer edge of disc)
1.0 (0.039)
CLUTCH COVER
Unit: mm (in)
Engine
TD27Ti
ZD30DDTi
Cover model
250
260
Diaphragm spring height
36.5 - 38.5 (1.437 - 1.516)
Uneven limit of dia-
phragm spring toe height
“A”
0.7 (0.028)
SERVICE DATA AND SPECIFICATIONS (SDS)
CL-14
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