NISSAN PATROL 1998 Y61 / 5.G Clutch User Guide

ADJUSTMENT
Output rod length:
Length ``A''
1.30 - 1.55 mm (0.0512 - 0.0610 in)
If amount of adjustment required exceeds 0.5 mm (0.020 in),
reaction disc may have either been dislocated or fallen off.
Replace clutch booster assembly.
Input rod length:
Length ``B''
130 mm (5.12 in)
SCL135
SCL140
SCL136
HYDRAULIC CLUTCH CONTROL
Clutch Booster (Cont'd)
CL-10

REMOVAL AND INSTALLATION
+Install retainer spring and holder spring.
+Remove release bearing.
+Install release bearing with suitable drift.
SCL775
SCL217
CL145
SCL705
CLUTCH RELEASE MECHANISM
CL-11

INSPECTION
+Check release bearing to see that it rolls freely and is free from
noise, cracks, pitting or wear. Replace if necessary.
+Check release sleeve and withdrawal lever rubbing surface for
wear, rust or damage. Replace if necessary.
LUBRICATION
+Apply recommended grease to contact surface and rubbing
surface.
+Too much lubricant might damage clutch disc facing.
WATERPROOF
+Apply recommended sealant to contact surface of transmission
case dust cover and withdrawal lever, then install dust cover
clip.
Recommended sealant:
Nissan genuine part (KP115-00100) or equivalent.
SCL706
SCL697-A
CLUTCH RELEASE MECHANISM
CL-12

Clutch Disc
INSPECTION
Check clutch disc for wear of facing.
Wear limit of facing surface to rivet head:
0.3 mm (0.012 in)
+Check clutch disc for backlash of spline and runout of facing.
Maximum backlash of spline (at outer edge of disc):
Model 240
1.0 mm (0.039 in)
Runout limit:
Model 240
0.7 mm (0.028 in)
Distance of runout check point (from hub center):
Model 240
115.0 mm (4.53 in)
+Check clutch disc for burns, discoloration or oil or grease leak-
age. Replace if necessary.
INSTALLATION
+Apply recommended grease to contact surface of spline por-
tion.
Too much lubricant might cause clutch disc facing damage.
SCL778
SCL780
SCL779
CLUTCH DISC AND CLUTCH COVER
CL-13

Clutch Cover and Flywheel
INSPECTION
+Set Tool and check height and unevenness of diaphragm
spring.
Diaphragm spring height ``A'':
Model 240
37.5 - 39.5 mm (1.476 - 1.555 in)
+Check thrust rings for wear or damage by shaking cover
assembly up and down to listen for chattering noise, or lightly
hammering on rivets for a slightly cracked noise. Replace
clutch cover assembly if necessary.
+Check pressure plate and clutch disc contact surface for slight
burns or discoloration. Repair pressure plate with emery paper.
+Check pressure plate and clutch disc contact surface for defor-
mation or damage. Replace if necessary.
+Adjust unevenness of diaphragm spring with Tool.
Uneven limit:
0.7 mm (0.028 in)
+Check ¯ywheel and clutch disc contact surface for slight burns
or discoloration. Repair ¯ywheel with emery paper.
+Check ¯ywheel runout.
Maximum allowable runout:
Refer to EM section (``Inspection'', ``CYLINDER
BLOCK'').
SCL219-C
SCL466-A
SEM929A
CLUTCH DISC AND CLUTCH COVER
CL-14

INSTALLATION
Model 240
+Insert Tool into clutch disc hub while installing clutch cover and
disc.
+Be careful not to allow grease to contaminate clutch facing.
+Tighten bolts in numerical order, in two steps.
First step:
:10-20Nzm (1.0 - 2.0 kg-m,7-14ft-lb)
Final step:
:22-29Nzm (2.2 - 3.0 kg-m, 16 - 22 ft-lb)
SCL787
CLUTCH DISC AND CLUTCH COVER
Clutch Cover and Flywheel (Cont'd)
CL-15

General Speci®cations
CLUTCH CONTROL SYSTEM
Type of clutch control Hydraulic
CLUTCH MASTER CYLINDER (with clutch
damper)
Unit: mm (in)
Inner diameter 17.46 (11/16)
CLUTCH OPERATING CYLINDER
Unit: mm (in)
Inner diameter 20.64 (13/16)
CLUTCH BOOSTER
Unit: mm (in)
Type M45
Diaphragm diameter 114.3 (4.50)
Check valve type Built-in hose type
CLUTCH DISC
Model 240
Engine RD28ETi
Facing size
(Outer dia. x inner dia. x thick-
ness)
mm (in)240 x 160 x 3.5
(9.45 x 6.30 x 0.138)
Thickness of disc assembly with
load
mm (in)/N (kg, lb)7.7 - 8.1 (0.303 - 0.319)/
8,336 (850, 1,874)
CLUTCH COVER
Model 240
Engine RD28ETi
Destination Ð
Full load
N (kg, lb)5,835 - 6,620
(595 - 675, 1,312 - 1,488)
Inspection and Adjustment
CLUTCH PEDAL
Unit: mm (in)
Pedal height ``H*''195 - 205
(7.68 - 8.07)
Pedal free play ``A''
(at pedal pad)1.0 - 3.0 (0.039 - 0.118)
*: Measured from surface of melt sheet to pedal pad
CLUTCH BOOSTER
Unit: mm (in)
Output rod length ``A'' 1.30 - 1.55 (0.0512 - 0.0610)
Input rod length ``B'' 130 (5.12)
CLUTCH DISC
Unit: mm (in)
Model 240
Wear limit of facing sur-
face to rivet head0.3 (0.012)
Runout limit of facing 0.7 (0.028)
Distance of runout
check point (from
the hub center)115.0 (4.53)
Maximum backlash of
spline (at outer edge of
disc)1.0 (0.039)
CLUTCH COVER
Unit: mm (in)
Model 240
Diaphragm spring height ``A''37.5 - 39.5
(1.476 - 1.555)
Uneven limit of diaphragm
spring toe height0.7 (0.028)
SERVICE DATA AND SPECIFICATIONS (SDS)
CL-16