Page 658 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 109
D AEW OO M Y_2000
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 659 of 2053
1B3 -- 110 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Removal & Installation Procedure
1. Remove the valve tappet (1) with magentic lifter.
Notice
Place the valve tappets upside down (open end up-
ward)
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
5. Using the press lever (9), press the spring retain-
er(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
Page 660 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 111
D AEW OO M Y_2000
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 661 of 2053
1B3 -- 112 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
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
6Valve
Notice
Remove the valve stem seals when the piston is posi-
tioned at TDC.
Page 662 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 113
D AEW OO M Y_2000
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
Intake valve stem seal
Exhaust valve stem seal
ChamferOffsetAll round
Inner diameter ’d’7.3 mm8.2 mm
ColorBrownGreen
Wire ringBlackYellow
Page 663 of 2053
1B3 -- 114 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Replacement Procedure
1. Remove the valve tappet (1) with magnetic lifter.
Notice
Place the valve tappets upside down (open end up-
ward).
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 mag-
netic finger (10).
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00
Page 664 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 115
D AEW OO M Y_2000
6. Remove the spring retainer(3) and valve spring (4).
7. Remove the valve stem seal (5).
Pliers 104 589 00 37 00
8. Insert the cap (12) onto the valve (6) and install the
new valve stem seal (5) and then remover the cap.
Drift 601 589 02 43 00
9. By pressing the spring seat with press lever (9),
install 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
Page 665 of 2053
1B3 -- 116 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
CHECK AND REPLACEMENT OF VALVE GUIDES
Preceding Work : Removal of cylinder head
Removal of valve spring
Removal of valve
1 Cylinder Head
2 Valve Guide3 Valve Seat Ring
a Basic Bore Diameter
Service Ddata
Item
Outer Diameter
’D’
Color Code
Basic Bore
Diameter ’a’
Overlap
’D’ -- ’a’
Valve Guide
InnerDiameter’A’
Length
’L’
IntakeRepair size 114.251Red14.200 -- 14.2110.029 --80008030395IntakeRepair size 214.440 -- 14.451White14.400 -- 14.411
0.029--
0.0518.000 -- 8.03039.5
ExhaustRepair size 114.240 -- 14. 251Red14.200 -- 14.2110.029 --90009050377ExhaustRepair size 214.440-- 14.451White14.400 -- 14.411
0.029--
0.0519.000 -- 9.05037.7