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7.1 RECOMMENDATIONS FOR INSTALLING THE ASSEMBLIES
- Information is given in a logical order in terms of timing
and sequence of operations. The methods have been
selected, tested and approved by the manufacturer's
technical experts.
- This chapter describes procedures for installing
assemblies and/or individual components that have been
checked, overhauled or replaced with original spare parts.
7.2 PRE-ASSEMBLY OF SEALING RINGS-PISTONS
- Thoroughly clean the pistons and lubricate the
coupling areas.
- Put the sealing rings on the piston in the order shown
in the figure.
Important
• Place the sealing rings with the markings facing up
towards the upper part of the piston (crown).
• Keep the pistons together with their own connecting
rods and wrist pins.
Service Manual LDW FOCS 502 automotive _ cod. ED0053027270 - 3° ed_rev. 02
INSTALLATION OF ASSEMBLIES
Important
• To locate specific topics, the reader should refer to the
index.
- 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.
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