Disassembly And Assembly Of Cylinder Head - Mercedes-Benz Unimog 435 Service Manual

01.8 Disassembly and assembly of cylinder head
352/352 A'
5.1/2
8 Remove nozzle holder with special tool No. 5.
9 Remove valves, see 05.8·2.2/1.
10 Remove protective sleeve with special tool
No. 3.
11 Clean all parts, check and change if necessary.
12 Check valve guides and change if necessary, see
6.1/1.
13 Check valve seats and reface or renew if nec·
essary. See 6.2/1 or 6.3/1.
14 Check injector nozzles, see 07.8·4.2/1.
Assembly
Insert new sealing ring for the protective sleeve
into cylinder head.
2 Insert protective sleeve and tighten with special
tool No. 3.
Tightening torque, see 1.4/1.
3 Insert new sealing ring into the protective sleeve
4 Fit nozzle holder with nozzle into cylinder
head observing lock on the nozzle holder (1) and
groove (2) in the cylinder head.
Important!
Do not knock nozzle.