Valve Stem Oil Seal and Valve Spring Replacement
Special Tools
• |
EN-6086 Basic
Kit, Spring and Wedge Replacer |
• |
EN-840 Pliers
/ Remover |
For equivalent regional tools, refer to
Special Tools .
Removal Procedure
|
Note: Wheels must
contact the ground.
|
6. |
Shift to 5. gear (MT) or park
position (AT) and apply the park brake. |
8. |
Mark the crankshaft balancer
180° opposed to the cylinder 1 TDC
marking. |
Intake Valve Stem Oil Seal Removal Cylinder 1
1. |
Prepare the 2
EN-6086-6 supports (1) for the installation by
tightening the support head in a centred position to the rail with
the bolt (2). |
2. |
Install the EN-6086-5
mounting shaft (3) along with the 2 EN-6086-6
supports (4) and the EN-6086-8 handle to the
cylinder head. |
|
Note: The demounting
piece must point to the intake side.
|
3. |
Install the EN-6086-7
lever (2) along with the EN-6086-11
demounting piece (1) to the mounting shaft. |
4. |
Position the mounting shaft
centered above the spark plug bores and tighten the 4 fasteners
(6). |
5. |
Install the
EN-6086-15 pneumatic adapter (5) to the spark plug
screw bore of cylinder 1. |
6. |
Apply air pressure to cylinder
1. |
7. |
Remove the valve keys, valve
spring retainers and the valve springs of the intake valves of
cylinder 1, using the following procedure: |
|
Caution: The demounting piece part of EN-6086 Basic Kit, Spring
and Wedge Replacer must be applied parallel to the valve retainers
in order to prevent damage to the tools or the valve train
components. If demounting piece is not applied parallel it could
cause damage to the valve stem keys or the valve retainers.
|
|
7.1 |
Apply tension to the valve
springs, using the EN-6086-7 lever (1) and the
EN-6086-11 demounting piece (2) until the valve
keys are discharged from spring load and remove the valve
keys. |
|
7.2 |
Release tension from the valve
springs and remove the valve spring retainers and the valve
springs. |
8. |
Remove the intake valve stem
oil seals (2) of cylinder 1, using the EN-840
pliers (1). |
Intake Valve Stem Oil Seal Installation Cylinder 1
|
Note: Lubricate the
NEW intake valve stem oil seals with clean engine oil.
|
1. |
Install the NEW intake valve
stem oil seals of cylinder 1, using the EN-958
installer (1). |
2. |
Prepare the
EN-6086-200-1 mounting piece for the valve key
installation. The mounting piece must be assembled in the following
order: |
|
2.4 |
EN-6086-200-10
plunger (3) |
3. |
Install the valve keys (1) to
the mounting piece (2) and fix them with the bushing. |
4. |
Install the intake valve
springs, the intake valve spring retainers and the intake valve
keys, using the following procedure: |
|
4.1 |
Replace the
EN-6086-11 demounting piece with the assembled
EN-6086-200-1 mounting piece (1). |
|
4.2 |
Install the intake valve
springs and the intake valve spring retainers to the cylinder
head. |
|
Caution: The demounting piece part of EN-6086 Basic Kit, Spring
and Wedge Replacer must be applied parallel to the valve retainers
in order to prevent damage to the tools or the valve train
components. If demounting piece is not applied parallel it could
cause damage to the valve stem keys or the valve retainers.
|
|
Note: The cone side of the
valve keys must point to the valve stem.
|
|
4.3 |
Push down the mounting piece
(1) using the lever (2) until the valve keys are hearable
engaged. |
|
4.4 |
Inspect the intake valve keys
(1) for proper seat. |
Exhaust Valve Stem Oil Seal Removal Cylinder 1
Remove the exhaust valve stem oil seals of cylinder 1:
1. |
Transfer the
EN-6086-7 lever to the exhaust side of cylinder
1. |
2. |
Replace the
EN-6086-200-1 mounting piece with the
EN-6086-11 demounting piece . |
3. |
Remove the exhaust valve keys,
exhaust valve spring retainers, exhaust valve springs and the
exhaust valve stem oil seals as described above. |
Exhaust Valve Stem Oil Seal Installation Cylinder 1
1. |
Replace the
EN-6086-11 demounting piece with the assembled
EN-6086-200-1 mounting piece (1). |
2. |
Install the exhaust valve
keys, exhaust valve spring retainers, exhaust valve springs and the
exhaust valve stem oil seals of cylinder 1 as described
above. |
Intake Valve Stem Oil Seal Removal Cylinder 4
1. |
Release the air pressure from
cylinder 1. |
2. |
Transfer the
EN-6086-15 pneumatic adapter from cylinder 1 to the
spark plug bore of cylinder 4. |
3. |
Apply air pressure to cylinder
4. |
4. |
Transfer the
EN-6086-7 lever to the intake side of cylinder
4. |
5. |
Replace the
EN-6086-200-1 mounting piece with the
EN-6086-11 demounting piece . |
6. |
Remove the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 4 as described above. |
Intake Valve Stem Oil Seal Installation Cylinder 4
1. |
Replace the
EN-6086-11 demounting piece with the assembled
EN-6086-200-1 mounting piece . |
2. |
Install the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 4 as described above. |
Exhaust Valve Stem Oil Seal Removal And Installation Cylinder
4
Replace the exhaust valve keys, exhaust valve spring retainers,
exhaust valve springs and the exhaust valve stem oil seals of
cylinder 4 as described above.
Intake Valve Stem Oil Seal Removal Cylinder 2
1. |
Release the air pressure from
cylinder 4. |
3. |
Remove the EN-952
fixing pin from the crankshaft. |
4. |
Rotate the crankshaft balancer
in engine rotation direction until the 180°
opposite marking (2) aligns with the marking (1) on the engine
front cover. |
|
Note: Wheels must
contact the ground.
|
6. |
Block the engine by shifting
the 5. gear (MT) or park position (AT) and applying the park
brake. |
7. |
Transfer the
EN-6086-15 pneumatic adapter from cylinder 4 to the
spark plug bore of cylinder 2. |
8. |
Apply air pressure to cylinder
2. |
9. |
Transfer the
EN-6086-7 lever to the intake side of cylinder
2. |
10. |
Replace the
EN-6086-200-1 mounting piece with the
EN-6086-11 demounting piece . |
11. |
Remove the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 2 as described above. |
Intake Valve Stem Oil Seal Installation Cylinder 2
1. |
Transfer the
EN-6086-7 lever to the exhaust side of cylinder
2. |
2. |
Replace the
EN-6086-11 demounting piece with the assembled
EN-6086-200-1 mounting piece (1). |
3. |
Install the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 2 as described above. |
Exhaust Valve Stem Oil Seal Removal And Installation Cylinder
2
Replace the exhaust valve keys, exhaust valve spring retainers,
exhaust valve springs and the exhaust valve stem oil seals of
cylinder 2 as described above.
Intake Valve Stem Oil Seal Removal Cylinder 3
1. |
Release the air pressure from
cylinder 2. |
2. |
Transfer the
EN-6086-15 pneumatic adapter from cylinder 2 to the
spark plug bore of cylinder 3. |
3. |
Apply air pressure to cylinder
3. |
4. |
Transfer the
EN-6086-7 lever to the intake side of cylinder
3. |
5. |
Replace the
EN-6086-200-1 mounting piece with the
EN-6086-11 demounting piece . |
6. |
Remove the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 3 as described above. |
Intake Valve Stem Oil Seal Installation Cylinder 3
1. |
Transfer the
EN-6086-7 lever to the exhaust side of cylinder
3. |
2. |
Replace the
EN-6086-11 demounting piece with the assembled
EN-6086-200-1 mounting piece . |
3. |
Install the intake valve keys,
intake valve spring retainers, intake valve springs and the intake
valve stem oil seals of cylinder 3 as described above. |
Exhaust Valve Stem Oil Seal Removal And Installation Cylinder
3
Replace the exhaust valve keys, exhaust valve spring retainers,
exhaust valve springs and the exhaust valve stem oil seals of
cylinder 3 as described above.
Installation Procedure
1. |
Release air pressure from
cylinder 3. |
2. |
Remove the EN-6086-15
pneumatic adapter . |
3. |
Remove all parts of
EN-6086 spring and wedge replacer . |
4. |
Shift to neutral gear and
release the park brake. |
5. |
Adjust the engine to TDC of
cylinder 1 and fix the crankshaft with EN-952
fixing pin . |
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