Page 409 of 1463
OM600 ENGINE MECHANICAL 1B3-107
Removal & Installation Procedure
1. Remove the nuts (8) uniformly and then remove the washer
(7), exhaust manifold (9) and gasket.
Installation Notice
Check the stud bolt (6) for damage and replace if necessary.
Tighten Torque 12 Nm
Tighten Torque 25 Nm
Tools Required
102 589 03 40 00 Magnetic Bar
116 589 06 63 00 Magnetic Finger
601 589 01 59 00 Assembling Board
601 589 02 59 00 Supporting Bridge
667 589 00 31 00 Press Lever
Replace the gasket and tighten the nuts (8).
2. Install the assembling board (11) to the cylinder head with 4
cylinder head blots (10).
Assembling Board 601 589 01 59 00
3. Pull out the valve tappet (1) with magnetic bar (12).
Notice
Place the valve tappets upside down (open end upward).
Magnetic Bar 102 589 03 40 00
4. Install the supporting bridge (13) on the cylinder head (5).
Supporting Bridge 601 589 02 59 00
Page 410 of 1463
1B3-108 OM600 ENGINE MECHANICAL
5. Using the press lever (14), press the spring retainer
downward and remove the valve cotters (2) with magnetic
finger (15).
Notice
Be careful not to damage guide bore of the valve tappet.
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00
6. Remove the spring retainer (3) and spring (4).
Installation Notice
Install the valve spring with the color coding (arrow) facing
down.
7. Check the valve spring and replace if necessary.
8. Installation should follow the removal procedure in the
reverse order.
Page 411 of 1463
OM600 ENGINE MECHANICAL 1B3-109
VALVE SPRINGS (CYLINDER HEAD INSTALLED)
Preceding Work : Removal of camshaft
1 Valve Tappet
2 Valve Cotters
3 Spring Retainer4 Valve Spring.......... Check, replace if necessary
5 Timing Chain
6 Cylinder Head
Notice
Remove the valve springs only when the piston is at TDC.
Tools Required
102 589 03 40 00 Magnetic Bar
116 589 06 63 00 Magnetic Finger
603 589 01 40 00 Holding Wheel
667 589 00 31 00 Press Lever
667 589 02 63 00 Supporting Bar
Page 412 of 1463
1B3-110 OM600 ENGINE MECHANICAL
5. Using the press lever (9), press the spring retainer(3)
downward and remove the valve cotters (2) with magnetic
finger (10).
Notice
Be careful not to damage guide bore of the valve tappet.
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00
Removal & Installation Procedure
1. Remove the valve tappet (1) with magentic lifter.
Notice
Place the valve tappets upside down (open end upward)
Magentic Liter 102 589 03 40 00
2. Install the holding wheel (7) into the timing chain of camshaft
sprocket piston.
Holding Wheel 603 589 01 40 00
3. Position the piston of relevant cylinder at TDC.
4. Install the supporting bar (8).
Supporting Bar 667 589 02 63 00
Page 413 of 1463
OM600 ENGINE MECHANICAL 1B3-111
6. Remove the spring retainer(3) and spring (4).
7. Check the valve spring and replace if necessary.
8. Insert valve spring (4) with the color coding (arrow) facing
down and insert valve spring Retainer(3).
9. By press the spring retainer(3) with press lever (90), install
the valve cotters with magnetic finger (10).
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00
10. Remove the supporting bar.
11. Remove the holding wheel (7) from the timing chain (5).
Holding Wheel 603 589 01 40 00
13. Coat the valve tappet with oil and install it.
Magnetic Bar 102 589 03 40 00
Page 414 of 1463
1B3-112 OM600 ENGINE MECHANICAL
VALVE STEM SEALS
Preceding Work : Removal of camshaft.
1 Valve Tappet
2 Valve Cotters
3 Spring Retainer4 Valve Spring...........Check, replace if necessary
5 Valve Stem Seal
6 Valve
Notice
Remove the valve stem seals when the piston is positioned at TDC.
Page 415 of 1463
OM600 ENGINE MECHANICAL 1B3-113
Tools Required
667 589 00 31 00 Press Lever
104 589 00 37 00 Pliers
102 589 03 40 00 Magnetic Lifter
603 589 01 40 00 Holding Wheel
601 589 02 43 00 Drift
116 589 06 63 00 Magnetic Finger
667 589 02 63 00 Supporting Bar
A : Intake valve stem seal
B : Exhaust valve stem seal
Chamfer
Inner diameter ‘d’
Color
Wire ringIntake valve stem seal
Offset
7.3mm
Brown
BlackExhaust valve stem seal
All round
8.2mm
Green
Yellow
Page 416 of 1463
1B3-114 OM600 ENGINE MECHANICAL
Replacement Procedure
1. Remove the valve tappet (1) with magnetic lifter.
Notice
Place the valve tappets upside down (open end upward).
Magnetic Lifter 102 589 03 40 00
2. Install the holding wheel (7) into the timing chain (11).
Holding Wheel 603 589 01 40 00
3. Position the piston of relevant cylinder at TDC.
4. Install the supporting bar (8).
Supporting Bar 667 589 02 63 00
5. Using press lever (9), press the spring retainer(3) downward
and remove the valve collets with magnetic finger (10).
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00