300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
1
Nut
2
Stud
3
Cap
4
Sealing ring
5
Oil filter housing
6
Thread connection
6a
Thread connection
7
Compression spring
8
Bypass valve
9
Valve seat bypass valve
10
Compression spring
11
Thermostat
12
Control valve
15
Compression spring
16
Return flow locking valve
17
Valve seat return flow locking valve
18
Return flow pipe
19
Check valve
20
O-ring
21
O-ring
22
Riser
23
Connection for oil pressure gage (model 116 and 123)
24
Oil filter element bypass filter component
24a
Oil filter element main flow filter component
25
Rubber seal
A
Uncleaned oil toward air-oil cooler
B
Uncleaned oil from air-oil cooler
a
From oil pump
b
To bearing points
c
Finely filtered oil for oil pan
d
Oil return flow bore toward oil pan
Coming from oil pump via feed duct (a). the oil enters the oil filter housing at return flow locking valve (16) and flows directly to combination filter
element up to an oil temperature of approx. 110 °C.
After flowing through combination filter element the oil, which has been cleaned in main flow filter component (24a), flows via riser (22) and duct (b) to