Rolls-royce 1004227 User Manual download pdf (Page 53)

EPRI Proprietary Licensed Material

B-1

RB 211 MAINTENANCE SCOPE

RB 211 - 2,000 Hour Inspection

• Carry out a soak wash of the engine’s compressor.

• On completion of the above;

− Inspect the Intake Flare for any cracks or damage

− Examine the Variable Intake Guide Vanes (VIGV’s) and visible

− Compressor Blades for nicks, dents and foreign object damage.

− Clean up the floor and ensure items are removed from the plenum.

• Remove and inspect the oil scavenge block Magnetic Chip Detectors.

− Refer to the RB 211 Maintenance Manual for go and no go limits on any metallic

contamination.

• Fit new ‘O’ rings to the mag plugs before reinstalling same. (Service Bulletin # 108)

• Remove and clean the gas generator mounted lube oil filters (if installed).

• Check the security of all accessible connections, clamps, brackets, locking devices and nuts.

• Check all external pipes, conduit, and electrical leads for evidence of frettage or wear. Gas

fuel ‘flex’ pipes are very susceptible to this problem.

• Examine the exterior of the engine casings for signs of air or oil leaks. Also check for

cracks, dents distortion and hot spots.

• Check the level of the oil in the lube oil reservoir tank. Replenish as required.

• Ensure the static seal of the VIGV Master Ram has sufficient oil in it.

• Remove a sample of lube oil and send it for analysis and oil acidity reading.

RB 211 - 8,000 Hour Inspection

• Ensure that all applicable Service Bulletins and Service Information Letters are carried out

on both the Gas Generator and the Lube Oil Console.

• Carry out all the 2,000 hour inspections, including a soak wash of the engine compressor.

• Check the Nose Bullet as per Chapter 6 of the Maintenance Manual (M/M) Vol. 1.

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Rolls-royce 1004227 User Manual Page 53