28
DATE
22.12.2003
COMPILER TECO/ATI
REG. CODE
1-5302-467
MODEL N°
50707
DATE OF ISSUE
06-95
REVISION 05
ENDORSED
VIII
25 26
27
23 24
DISASSEMBLY/REASSEMBLY
Valves - Disassembly
Components:
1 Valve stem
2 Oil seal
3 Spring washer/set
4 Spring
5 Cap
6 Half collets
Note: To remove half collets place a suitable plate under the valve
head and press down firmly as indicated in the figure.
Valves - Oil seal in valve guide
To prevent seal 2 from being deformed when the valve guide is
mounted, fit it into tool 1 serial N° 7107-1460-047 after having
thoroughly lubricated it, then proceed as indicated in the figure.
Valve, springs
Measure the free length with a caliper.
Engine 15 LD 225-315-350
Free length A = 33.72
Engine 15 LD 400-440
Free length A = 34,88
Note: Replace the spring if the free length A is 1 mm less than
specified.