MTZ 1220.1/1220.3 K. Scheduled technical maintenance
K29
Operation 36. Clean engine fuel coarse
filter
Rinse the engine fuel coarse filter, per-
forming the following operations:
• Shut off the fuel tank valve.
• Unscrew the screws (1) fastening the
carrier (3) and remove the bowl.
• Unscrew the reflector with mesh (2)
and remove the diffuser.
• Wash in diesel fuel the reflector with
mesh, diffuser and filter bowl.
• Assemble the filter parts in the re-
verse order.
• Fill the system with fuel. Purge the sys-
tem and bleed air from the fuel system
as specified in the Operation 38.
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