XIII
FOREWORD
Points on Disassembling and As-
sembling
This service manual contains the recommended practices to
service the engine.The manual also contains dedicated spe-
cial tools made for the work, and the basic safety cautions to
obey when working.Note that this manual does not cover all
potential hazards that could occur during maintenance,
inspection and service works of the engine.
When working on the engine, follow the related instructions
in this manual and also be careful of the following:
Points on Disassembling
 Use correct tools and instruments.Or serious damage or
accident may result.
Do not use jack bolts having sharp edge, as they may cause
damage to the surface.
Use a footing and workbench to place disassembled parts if
necessary, and obey the disassembling procedures
described in this manual.Do not place the parts on the
floor directly. Place them on a workbench or the like.
Place the engine parts in the order of removal to prevent
from missing.Place the parts in the serial order for reas-
sembling.
When reusing the engine parts, unless there are special rea-
sons, install them to their original positions.
Pay attention to assembling marks. Put your marks on the
parts, if necessary, to ensure correct assembling.
Carefully check each part for defects during disassembling
or cleaning. Do not miss symptoms which can not be
found after disassembling or cleaning.
Pay attention to the safety, especially for the balancing of
disassembled parts and carrying of heavy parts.(Get help,
and use jacks, chain blocks and guide bolts as necessary.)
Use protective gloves when you touch overheated or fro-
zen parts.Touching the part with a bear hand can cause
burns.
Points on Assembling
 Wash all engine parts, except such parts as oil seals, O-
rings and rubber seats, in cleaning oil and dry them with
compressed air.
 Use correct tools and instruments.
Use only high-quality lubricating oil and grease of the
appropriate type.Be sure to apply oil, grease or adhesive
to specified surfaces.
Use a torque wrench to tighten parts correctly when their
tightening torques are specified.Refer to "Tightening
torque table."
Replace Gaskets, packings and O-rings with new
ones.Apply adhesive as required.Do not apply adhesive
too much.
Use protective gloves when you touch overheated or fro-
zen parts.Touching the part with a bear hand can cause
burns.
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