CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 104
Revision 32
79-00-00
Table 101. Engine Lubrication System Fault Isolation (Cont.)
Fault Ref. SectionCorrection ProcedureCause
It is necessary to
frequently add oil to
engine.
Too much oil in oil tank. Drain oil from oil tank as necessary
(Ref. Related Manufacturers
Publications).
01−00−00
No. 5 bearing oil pressure
and/or scavenge tube leaks.
Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Oil filter housing leaks. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Chip detector leaks. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Drain valve leaks. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Accessory drive seals leaks. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Output shaft leaks. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Heat exchanger leaks. Repair oil leak or replace heat
exchanger.
63−21−00
Pressure adjustment valve
cover leaks.
Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Unserviceable engine. Repair or replace engine (Ref.
Related Manufacturers
Publications).
01−00−00
Oil filter impending
bypass indication.
Oil filter has blockage. Replace oil filter (Ref. Related
Manufacturers Publications).
01−00−00
Defective impending bypass
indicator.
Replace impending bypass
indicator (Ref. Related
Manufacturers Publications).
01−00−00
Defective oil filter bypass
valve.
Replace oil filter bypass valve (Ref.
Related Manufacturers
Publications).
01−00−00
Oil fumes and/or
smoke in cockpit/cab-
in.
Oil breather hose has
blockage.
Remove oil breather hose and
remove blockage.
79−00−00
Oil leak near engine inlet. Repair oil leak (Ref. Related
Manufacturers Publications).
01−00−00
Unserviceable engine. Repair or replace engine (Ref.
Related Manufacturers
Publications).
01−00−00
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