Rotax 912 Series Maintenance Manual page 31

15 n.a.
16 n.a.
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL
Cleaning agents ..................................................................
WARNING: Use only approved cleaning agents (e.g. fuel,
kerosine, varsol, etc.) for cleaning metal parts.
Do not use cold cleaner of lye base for degreasing agents.
Do not clean coolant or oil hoses with aggressive solutions.
Clean off remains of sealing compound with sealant re-
mover.
Soak combustion chamber, piston and cylinder head with
cleaning agent and remove combustion residues with a
bronze brush. Very good results were achieved with
CASTROL "Clenvex 2000" as a 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.
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.
05-00-00
page 11
Rev. 1, Jan. 01/2002