Man D2862 LE221, Repair Manual

Page: 157 / 420

COMMON RAIL SYSTEM
FUEL FILTER
Removing, installing the fuel lter
Additional jobs
–
Removing, installing the cooling system, see 55
– Removing, installing the ramfan, see 61
– Removing, installing the fan V-belt, see 85
(1) Fuel line (2) Fuel lter
Important information
WARNING
The common rail system can be damaged
• All work on components of the common rail system must be performed by specially trained
personnel only
• The engine must be stationary for at least 5 minutes before commencing work in order to enable
depressurisation in the rail, or depressurisation must be checked by means of MAN-cats (desired
value 0)
• Ensure absolute cleanliness in all areas when carrying out all work.
• Before working on the clean side of the fuel system, clean the engine and the engine compartment
(e.g. steam cleaner). The fuel system must be sealed during this process.
• Avoid any moisture whatsoever.
• Do not reuse plugs for the high-pressure lines, rail, injectors or fuel lines, even if they have only
been used once
• Always detach only one fuel line and then immediately plug the fuel line connections and
component connections
AE6 3st edition 155