CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 205
Revision 35
05-20-10
Table 201. Special Inspection − Hourly (Cont.)
Registration No. Serial No. Helicopter Total Hours
Model InitialRMM SectionRequirement
600 Hour
Transmission and Drive System:
900 Deleted. Moved to 1200 Hour Special Inspection.
Transmission and Drive System: Transmission Oil Replacement
(Yearly or 600 Hours Whichever Occurs First)
900 Do the “Main Transmission Draining” and “Main Transmission
Filling/Replenishing”.
12−00−00
Transmission and Drive System: Transmission 75−Micron Oil Filter Cleaning/Replacement
[Ref. Note (3)]
900 Clean or replace transmission 75−micron oil filter, in accordance
with instructions in “Lubrication Pump Filter Assembly Removal and
Installation”.
63−21−00
1000 Hour
Main Rotor: Upper Hub Inspection [Ref. Note (1)]
900 Do the “Eddy Current Inspection of the Main Rotor Upper Hub
Assembly”.
62−20−00
Main Rotor: Support, Droop Stop
900 Examine Droop Stop Support, in accordance with instructions in
“Main Rotor Hub Assembly Inspection”.
62−20−00
Main Rotor: Striker Plate, Droop Stop [Ref. Note (1)]
900 Examine Droop Stop Striker, in accordance with instructions in
“Main Rotor Hub Assembly Inspection”.
62−20−00
Main Rotor: Drive Ring (Yearly or 1000 Hours Whichever Occurs First)
900 Examine Drive Ring in accordance with instructions in “Main Rotor
Hub Assembly Inspection”.
62−20−00
Transmission and Drive System:
900 Do the “Acoustic Isolator Inspection”. Examine outer surfaces of
acoustic isolator for condition, and transmission attach bolts for
correct installation and indications of fretting.
63−20−00
1200 Hour
Anti−Torque Assembly: Tension−Torsion Straps [Ref. Note (7)]
900 Do the visual and x−ray inspections for the fan blade
tension−torsion strap assemblies.
64−30−01
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