Lombardini 9 LD 625-2 EPA, Руководство по ремонту

Страница: 26 / 88

- 26 - 9LD Workshop Manual _ cod. 1.5302.286 - 3° ed _rev. 02
4
1
Important
To locate specific topics, the reader should refer to the
index.
– Besides disassembly and reassembly operations this
chapter also includes checking and setting specifications,
dimensions, repair and operating instructions.
– Always use original LOMBARDINI spare parts for proper
repair operations.
– The operator must wash, clean and dry components and
assemblies before installing them.
– The operator must make sure that the contact surfaces
are intact, lubricate the coupling parts and protect those
that are prone to oxidation.
– Before any intervention, the operator should lay out all
equipment and tools in such a way as to enable him to carry
out operations correctly and safely.
– For safety and convenience, you are advised to place the
engine on a special rotating stand for engine overhauls.
– Before proceeding with operations, make sure that appropriate
safety conditions are in place, in order to safeguard the
operator and any persons involved.
– In order to fix assemblies and/or components securely, the
operator must tighten the fastening parts in a criss-cross or
alternating pattern.
– Assemblies and/or components with a specific tightening
torque must initially be fastened at a level lower than the
assigned value, and then subsequently tightened to the final
torque.
DISASSEMBLY / REASSEMBLY
RECOMMENDATIONS FOR OVERHAULS AND TUNING
Important
To locate specific topics, the reader should refer to the
index.
– Before any intervention, the operator should lay out all
equipment and tools in such a way as to enable him to
carry out operations correctly and safely.
– The operator must comply with the specific measures
described in order to avoid errors that might cause damage
to the engine.
– Before carrying out any operation, clean the assemblies
and/or components thoroughly and eliminate any deposits
or residual material.
– Wash the components with special detergent and do not
use steam or hot water.
– Do not use flammable products (petrol, diesel, etc.) to
degrease or wash components. Use special products.
– Dry all washed surfaces and components thoroughly with a
jet of air or special cloths before reassembling them.
– Apply a layer of lubricant over all surfaces to protect them
against oxidation.
– Check all components for intactness, wear and tear, seizure,
cracks and/or faults to be sure that the engine is in good
working condition.
– Some mechanical parts must be replaced en bloc , together
with their coupled parts (e.g. valve guide/valve etc.) as
specified in the spare parts catalogue.
AIR CLEANER
Oil-bath air cleaner
Check gaskets and replace if necessary.
Check that flange weld is free of porosity or defective spots.
Carefully clean bowl and filtering element with Diesel oil and blow through
with compressed air.
Top up with engine oil to the mark.
€
When refitting tighten nuts at 25 Nm.
Â
See page 22 for periodic maintenance details.
RECOMMENDATIONS FOR DISASSEMBLING AND ASSEMBLING