CSP
−
900RMM
−
2
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 101
Revision 26
63-00-00
ROTOR DRIVE SYSTEM
FAULT ISOLATION
1. Allowable Leakage
A visual change in oil level of
0.125-0.250
inch (3.175-6.35 mm)
or approximately
one-half quart
(0.473 liters)
of oil, over a
period of 6 running hours.
2. Drive System Troubleshooting
(Ref. Figure 101 and Figure 103)
The following troubleshooting procedures are a
brief summary of drive system faults, which
may be encountered (Ref. Table 101).
Troubleshooting tables should be used with the
simplified system schematics, electrical wiring
diagrams, serviceability tests and other
detailed procedures in this and other chapters
of the manual.
Comprehensive wiring diagrams are available
in the Rotorcraft Maintenance Manual
CSP-900RMM-3 (Ref. Section 98-40-00).
Table 101. Drive System Troubleshooting
Fault
Probable Cause
Corrective Action
Ref. Section
Overspeed
Perform appropriate Main Rotor
Overspeed inspection
05
−
50
−
00
Overtorque
Perform appropriate
Overtorque inspection
05
−
50
−
00
Excessive oil leak from input
pinion assembly.
Damaged seal.
Replace pinion Assy or perform
Input Pinion Assembly Seal
Replacement.
63
−
20
−
00
Poor fit between seal and
shaft.
Replace pinion Assy or perform
Input Pinion Assembly Seal
Replacement.
63
−
20
−
00
Excessive axial displace-
ment at input flanges.
Perform Engine to Transmis-
sion Alignment.
71
−
00
−
00
Impending bypass indicator
popped in less than 100
hours since filter change.
Faulty bypass indicator.
Replace impending bypass
indicator.
63
−
21
−
00
Lubrication pump impending
bypass indicator popped.
Clogged oil filter.
Reset indicator. On second
pop
−
up, replace 3 micron
transmission filter.
63
−
21
−
00
Clean 75 micron transmission
filter
12
−
00
−
00
test chip detector.
63
−
20
−
00
Loud bang after engine
shutdown.
Cooling duct oil canning;
Clogged heat exchanger.
Clean heat exchanger.
20
−
20
−
00
Clogged cooling inlet.
Clean inlet duct.
20
−
20
−
00
Summary of Contents for CSP-900RMM-2
Page 19: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual INTRODUCTION Chapter ...
Page 20: ......
Page 23: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 01 00 00 Introduction ...
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Page 223: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual DIMENSIONS AND AREAS Chapter ...
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Page 249: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual LIFTING AND JACKING Chapter ...
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Page 273: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 08 20 00 Leveling ...
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Page 277: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual TOWING Chapter ...
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Page 281: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 09 00 00 Towing ...
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Page 287: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual PARKING AND MOORING Chapter ...
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Page 299: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 10 20 00 Mooring ...
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Page 311: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual PLACARDS AND MARKINGS Chapter ...
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Page 333: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual SERVICING Chapter ...
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Page 337: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 12 00 00 Servicing ...
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Page 401: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 21 20 00 Vent System ...
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Page 525: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual EQUIPMENT FURNISHINGS Chapter ...
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Page 627: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 25 60 10 Rescue Hoist ...
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Page 655: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual FIRE PROTECTION Chapter ...
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Page 711: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual FUEL SYSTEM Chapter ...
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Page 721: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 28 00 00 Fuel System ...
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Page 887: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual HYDRAULIC SYSTEM Chapter ...
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Page 925: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual LANDING GEAR Chapter ...
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Page 983: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual DOORS AND WINDOWS Chapter ...
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Page 1049: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual FUSELAGE Chapter ...
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Page 1063: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 53 00 00 Fuselage ...
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Page 1205: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 53 40 00 Tailboom ...
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Page 1235: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 53 55 00 Empennage ...
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Page 1259: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Chapter MAIN ROTOR ...
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Page 1503: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 63 20 00 Gearboxes ...
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Page 1579: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 63 22 00 Rotor Brake ...
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Page 1619: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual ANTI TORQUE ASSEMBLY Chapter ...
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Page 1685: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual FLIGHT CONTROLS Chapter ...
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Page 1927: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual POWERPLANT Chapter ...
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Page 1935: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 71 00 00 Powerplant ...
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Page 1985: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 71 20 00 Engine Mounts ...
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Page 2001: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 71 60 00 Air Intake ...
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Page 2033: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 71 70 00 Engine Drains ...
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Page 2043: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual ENGINE BLEED AIR Chapter ...
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Page 2053: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual ENGINE CONTROLS Chapter ...
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Page 2105: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual ENGINE EXHAUST Chapter ...
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Page 2109: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 78 00 00 Engine Exhaust ...
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Page 2121: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual ENGINE OIL Chapter ...
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Page 2125: ...CSP 900RMM 2 MD Helicopters Inc Rotorcraft Maintenance Manual Section 79 00 00 Engine Oil ...
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