Valve Rocker Brackets
Maintenance / Disassembly and reassembly
A5.05. 01.02.01.00
M20
en / 29.05.2000 IB001341 1/2
01
Ĺ
See also: 01.01.01.nn
Spare parts list: B1.05.01.2.2107
Time requirement: 1 Pers./ 0,20 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Tools:
Torque wrench 40 - 180 Nm 1/2" W1 * 1.9454-40
Turning rod W2 * 2.9100-380
* not available as figure
Auxiliary material:
Molykote paste “G-Rapid Plus” **
** or a product of equal standard
Sequence of operations:
1. Disassembly
1.1 Remove the cylinder head cover.
1.2 Move the piston to firing TDC. Inlet valves and exhaust valves are closed, valve rocker is
relieved.
1.3 Unscrew the nuts (Fig. 1/1 and 2).
1.4 Remove the valve rocker bracket with inlet rocker and exhaust rocker.
2. Reassembly
2.1 Clean the surface for the valve rocker bracket on the cylinder head.
2.2 Blow through the oil transition hole with compressed air.
2.3 Fit the valve rocker bracket via studs on the cylinder head and adjust in such a way that the
adjusting screws rest on the center of the valve bridges.
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