Rotax 914 Series Maintenance Manual page 113

■ CAUTION:
Possible foreign matter: Steel chips, bronze chips, aluminium chips, sliver
In the case of unclear findings, flush the oil circuit and fit a new oil filter.
Afterwards conduct engine test run and inspect the oil filter once more.
If an increased amount of metal particles is found, such as brass- or bronze
chips or slivers from bearing abrasion, repair or overhaul the engine in
accordance with the BRP-Rotax instructions for continued airworthiness.
Inspect all systems for correct function.
Detailed inspection of affected engine components.
■ CAUTION:
Proper judgement needs years of experience in repair of piston engines.
If the filter mat is clogged by foreign matter, the lube oil reaches the bearing
points unfiltered via the by-pass valve in the oil filter.
■ CAUTION:
Fig. 36
00181
Effectivity: 914 Series
Edition 1 / Rev. 0
BRP-Rotax
MAINTENANCE MANUAL
The filter insert must be inspected carefully for metal chips.
of bearing material, remains of sealing compound.
If the oil circuit is contaminated, replace the oil cooler and flush
the oil circuit. See 12-00-00, sec. 5.5.
To ensure correct functioning of the oil circuit and the forced
flow lubrication, use genuine ROTAX oil filter only. Only
these filters will ensure correct pressure in the by-pass valve.
12-00-00
page 39
May. 01/07