15) Cleaning Agents; 16) Valve Lapping Paste - Rotax 914 F Maintenance Manual

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11.7.15) Cleaning agents

Clean all parts thoroughly before inspection.
Do not use cold cleaner on lye basis or degreasing agents. Do not clean
coolant- and oil hoses with aggressive solutions. Clean off remains of sealing
compound with sealant remover.
Soak combustion chamber, piston and cylinder head with cleaning agent and
remove combustion residues with a bronze brush. Very good experience was
made with CASTROL "Clenvex 2000" as cold cleaning agent on basis of
laboratory fuel and kerosine. It is a solvent - cold cleaner, free of halogen, on
base of selected fuel fractions, and it is biologically disposable.
Never use caustic or corrosive cleaning agents.

11.7.16) Valve lapping paste

This paste produced by various manufacturers is a fine granulate lapping
paste for valve seats and valves. The paste is usually available in 3 different
granulate sizes. Use as per manufacturer's directives.
Modification no.
- 0 -
ATTENTION:Generally all metal components will be rinsed in a suitable
cleaning agent, with the exception of hydraulic tappets,
pushroids and rocker arms.
On the above mentioned exceptions just let the oil drip off
and wipe with a non-frying rag. At the disassembly compo-
nents were marked to prevent any mix-up. Take care of
these marks, daon't ruin them.
WARNING: Use only approved cleaning agents (e.g. fuel, kerosine,
varsol, etc.) for cleaning metal parts.
WARNING: Proceed with great caution when using solvents. Inhaling of
vapours is hazardous to health.
Reference
Main
Date
1997 02 01
914 F
Page
79

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