16
Cleaning Components
A high flashpoint solvent is recommended to reduce fire hazard.
Always follow container directions regarding the use of any solvent.
Always use the recommended cleaning agent or equivalent.
Do not use degreasing equipment for components containing items which could be
damaged by the use of this process. Whenever possible, clean components and the area
surrounding them before removal. Always observe scrupulous cleanliness when cleaning
dismantled components.
Lubrication
The majority of engine wear occurs while the engine is warming up and before all the
rubbing surfaces have an adequate lubrication film. During assembly, oil or grease
(whichever is more suitable) should be applied to any rubbing surface, which has lost its
lubrication film. Old grease and dirty oil should be cleaned off. This is because used
lubricants will have lost some lubrication qualities and may contain abrasive foreign
particles.
Use recommended lubricants. Some oils and greases in particular should be used only in
certain applications and may be harmful if used in an application for which they are not
intended. This manual makes reference to molybdenum disulphide grease in the
assembly of certain engine and chassis parts. Always check manufacturer
recommendations before using such special lubricants.
Joints and Joint Faces
Assemble joints dry unless otherwise specified in this manual.
If gaskets and/or jointing compound is recommended for use; remove all traces of old
jointing material prior to reassembly. Do not use a tool which will damage the joint faces
and smooth out any scratches or burrs on the joint faces using an oil stone. Do not allow
dirt or jointing material to enter any tapped holes.
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