torque MITSUBISHI SPYDER 1990 Service Owner's Manual

ENGINE OVERHAUL Timing
(8) Thread the timing belt over the idler pulley, the oil pump
sprocket, the crankshaft sprocket and the tensioner pulley
in the order shown.
(9) Remove the two clips.
(lO)Lift up the tensioner pulley in the direction o f arrow and
tighten the center bolt.
to see that all timing marks are lined up.
the screwdriver inserted in step (4) and fit the
plug. (Engine with counterbalance shafts)
the crankshaft a quarter counterclockwise turn. Th en,
turn it clockwise until the timing marks are lined up again.
the special tools, Socket Wrench and Torque.
Wrench, on the tensioner pulley, and loosen the ten sioner
pulley center bolt.
NOTE
If the special tool is not available, use a commercially
available torque wrench that is capable of measurin g
Nm
to 3.6 Nm (2.60 with the torque wrench.
the tensioner pulley with the special tool and
torque wrench, tighten the center bolt to specifica tion.,
giving two clockwise turns to the crankshaft, let
it alone for approx. 15 minutes. Then, make sure
the auto tensioner setting wire moves freely.
NOTE
If the wire does not move freely, repeat step (13) above’
until it moves freely.
the auto tensioner setting wire.
the distance “A” (between the tensioner arm
and auto tensioner body).
Standard value: mm in.)
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11 E N G I N E O V E R H A U L Cylinder Head
Identification mark
RETAINER LOCK . .
The ‘valve spring,if excessively, compressed, causes the
bottom end of retainer to be in contact with, and d amage,:
the stem seal.
H E A D G A S K E T
I d e n t i f i c a t i o n m a r k :
HEAD BOLT INSTALLATION
(1) When installing the cylinder bolts, that
shank length of each bolt meets the limit. If the
exceeded, replace the’ bolt.’
Limit: Max. 99.4 mm (3.91 in.)
(2) Apply engine oil to the threaded portions of bo lts
to the washers.
(3) According to the tightening sequence, tighten’ the bolts
to the specified torque 78 Nm
t o o l
(4) Loosen bolts completely.
(5) Retighten the loosened bolts to
Nm in
the specified tightening sequence.
(6) Make a paint mark across each-‘bolt cylinder
head.
(7) Give a turn to the bolts in the specified’ tightening
sequence.
(8) Give another turn to the bolts and sure that
the paint mark on the head of each, bolt ‘and that
the cylinder head are on the same straight line.
Caution
1.If the bolt is turned less than
may e x p e c t e d .
tightening the bolt, therefore, be
a sufficient turn to
2. If the bolt is t h e b o l t
completely and then retighten It
the
tightening procedure from step
,
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Front Case,, ENGINE OVERHAUL Shaft and ‘Pan
Phillips screwdriver
B O L T ,
(1) Phillips screwdriver hole in the left side
of the cylinder block to lock the counterbalance sh aft.
(2) Secure the oil pump driven gear onto the left c ounterbal-
ance shaft by tightening the flange bolt to specified torque.
PLUG INSTALLATION
(1) Install a new O-ring to the front case.
(2)Using the special tool, install the plug and tighten to speci-
fied torque.
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Front Case,
ENGINE OVERHAUL Shaft and
Bracket side OIL FILTER INSTALLATION
(1) Clean the installation surface of the filter br acket.
(2) Apply engine oil to the O-ring of the oil filte r.
(3) Screw the oil filter in until the O-ring contacts the bracket.
Then tighten
turn [tightening torque: Nm (12
NOTE
For tighten one [Tightening torque:
14 Nm (10
after the O-ring contacts the bracket.
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11ENGINE OVERHAUL Piston and
No.
Notch
CONNECTING ROD CAP
(1) Verifying the mark made during disassembly, install the
bearing cap to the connecting rod. If the connectin g rod
is new with no index mark, make
that. the bearing
locking notches come on the same side as shown.
(2) Make sure that the connecting rod big end side clearance
meets the specification.
Standard value: mm
Limit: 0.4 mm in.)
ROD CAP NUT
NOTE
The connecting rod nut should be installed’ the. ‘cylinder
head or the spark plug removed.
(1) Since the connecting rod bolts and nuts
the plastic area tightening ‘method, the should be
examined BEFORE reuse. the bolt threads are “necked
down”, the bolt should be replaced. Necking can be checked
running ‘a nut with fingers
to the full length of the bolt threads.
the nut does
not run down
the bolt should be replaced.
(2) Before installation of each nut, apply engine o il to the
threaded portion and bearing surface of the nut.
(3) Loosely tighten each nut to the bolt.
(4) Then tighten the nuts alternately to a torque o f Nm
(14.5
to install the cap properly.
(5) Make a paint mark on the head of each nut.
(6) Make a paint mark on the bolt end at the positi on 90”
to from the paint mark made on the nut in the direction
of tightening the nut.
(7) Give a
to to the nut and make sure that ,
the paint mark on the nut and that on the bolt are in
alignment.
Caution
(1) If the nut is turned less than proper
performance may not be expected.
tightening the nut, therefore, be careful to
a sufficient turn to it.
(2) If the nut is (exceeding loosen
the nut completely and then retlghten it by
repeating the tightenlng procedure from step (1).
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ENGINE OVERHAUL Piston Rod
1I
PIN OIL CLEARANCE
(PLASTIGAGE METHOD)
(1) Remove oil from crankshaft pin and connecting rod
bearing.
(2) Cut the Plastigage to the same length as the width of
bearing and place it on crankshaft pin in parallel with
i t s a x i s .
(3) Install the connecting rod cap
tighten the
nuts to specified torque.
(4) Carefully remove the connecting rod cap.
(5) Measure the width of the Plastigage at its wide st part
by using a scale printed on the Plastigage package.
Standard value:,
mm
Limit: 0.1 mm in.)
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ENGINE OVERHAUL and
A
INSPECTION
O I L C L E A R A N C E
(1) Remove oil from the crankshaft journal ‘and crankshaft
bearing.
(2) Install the crankshaft.
(3) Cut the Plastigage to the same length as the wi dth of
bearing and place it on journal in parallel with it s axis.
(4) Install the crankshaft bearing cap carefully an d tighten
the bolts to specified torque.
(5) Carefully remove the crankshaft bearing cap.
(6) Measure the width of the Plastigage at its wide st part
by using a scale printed on the Plastigage package.
Standard value:
mm in.)
Limit: 0.1 mm
in.)
CYLINDER BLOCK (1) Visually check for scratches, rust, and corrosi on.
Use also a flaw detecting agent for the check. If d efects
are evident, correct, or replace.
(2) Using a straightedge and feeler gauge, check th e block
top surface for
Make sure that the surface
is free from gasket chips and other foreign matter.
Standard value: 0.05 mm
in.)
Limit: 0.1 mm
in.)
(3) If the distortion is excessive, correct within the allowable
limit or replace.
Grinding limit: 0.2 mm
in.)
Includes/combined with cylinder headgrinding
Cylinder block height (when new): 283.9-284.1 mm (11.177-11.185 in.)
(4) Check cylinder walls for scratches and seizure. If defects
are evident, correct (bored to oversize) or replace.
(5) Using cylinder gauge, measure the cylinder bore and
cylindricity. If worn badly, correct cylinder to an oversize
and replace piston and piston rings. Measure at the
points shown in illustration.
Standard value:
Cylinder I.D.
mm in.)
Cylindricity 0.01 mm
in.)
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Crankshaft
B E L T
ADJUSTMENT
Check the belt tension with the tension gauge, or check the
belt deflection by pressing the middle point of the belt by
a force of 98
(22 ibs.).
Standard value: Tension: 400
490 (90 110
Deflection 9.0 12.0 mm
GENERATOR BELT
1. Remove the under cover side panel (R.H.).
2. Loosen the generator pivot nut.
3. Loosen the lock nut.
4. Turn the adjusting screw to adjust
belt tension or
deflection to the standard
NOTE
When installing a new belt, apply 310
(70 ibs.) of tension’
for 5 minutes or more, and then apply the final ten sion.
Standard value:. . . .
items
Tension
(Ibs.)
When a new is
installed
When a belt is
Deflection
mm (in.)
value>
5. Tighten the generator pivot nut.
Tightening torque: 54 Nm
6. Tighten the lock nut.Tightening torque: 61 Nm (45
7. Install the under cover side panel (R.H.).
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ENGINE On-vehicle
Power
Powersteering oilpump pulleyTension
pulley
POWER STEERING OIL PUMP DRIVE BELT
CHECK Use the belt tension gauge to check belt tension at the shown
point or check deflection by applying 98 (22 to the
shown point.
Standard value:
Tension: 400
(90 110
Deflection: 11 14.0 mm in.)
POWER STEERING OIL PUMP DRIVE BELT TENSION
ADJUSTMENT 1. Loosen power steering oil pump fixing bolt (A, C).
2. Move power steering oil pump, tension belt moder ately
and adjust tension.
Standard value:
When a new belt is when a used belt is
installedinstalled
Tension489-712
I
Deflection6.5-9.5
mm (in.)I
Tighten the fixing bolt (A).
Tightening torque: 39 Nm (29
4. Tighten the remaining fixing bolts and C).
Tightening torque: 39 Nm (29
5.Check the belt deflection mount and readjust if nec essary.
Caution
Turn the crankshaft one full rotation or more clock wise
before this check.
POWER STEERING OIL PUMP AND A/C COMPRESSOR
DRIVE BELT TENSION CHECK
Use the belt tension gauge to check belt tension at the shown
point or check deflection by applying 98
(22 Ibs.) to the
point.
Standard value:
Tension: 412 510 (92.6 114.6 Ibs.)
Deflection: 10.0
11.0 mm in.)
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ENGINECamshaft and
67
a
EXHAUST CAMSHAFT
CAMSHAFT
Use the special tool to the camshaft turning, and
then install the intake
camshaft, sprockets.
CYLINDER HEAD COVER INSTALLATION
Install the cylinder head cover assembly to the hea d and
tighten fasteners in sequence shown in figure. Tigh ten all
fasteners according to the
torque method.
(1) Tighten to 4.5 Nm (3.3
(2) Tighten to 9.0 Nm (6.6
(3) Tighten to 12 Nm (6.9
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