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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Engine faults and corresponding maintenance actions over two consecutive quarters.

Identifier  ExFiles\Box 146\2\  scan0282
Date  30th June 1937 guessed
  
-4-

12. TAPPETS NOISY OR VALVE MECHANISM NOISY

June quarter C.C. I I
C.P. 3 5
Previous quarter C.C. 2
C.P.
--------------------------
Six months 2 4 6
==========================

3.AX.109. Fitted 4 new tappet rods & 4 new adjusting screws, to replace original which were badly scored (Nice Depot).


13. LOSS OF POWER DEFECTIVE PLUGS.

June quarter C.C. I 2 3
C.P.
Previous quarter C.C. 2 2
C.P.
--------------------------
Six months 3 2 5
==========================

GUL.4. 10.888 Kms.
Fitted K.L.G. F.L.B. 30 X plugs.
GWN.25. 4.718 Kms.
Engine stopped & misfired . Fitted K.L. F.L.B. 30 X plugs.
GEH.36. 19.313 Kms. (R.C.)
Fitted 6 Bosch plugs.


14. ENGINE OVEROILING EFFECTING PLUGS.

June quarter C.C. 2 2
C.P.
Previous quarter C.C.
C.P.
--------------------------
Six months 2 2
==========================

3.AX.179. 2.647 miles
Top overoiling effecting plugs. Fitted close fitting valve guides to inlet D.S. Hd.{Mr Hayward/Mr Huddy} 338. Fitted K.L.G. F.B. 30 X plugs.
3.AX.185. 2.950 miles
Ditto


15. ENGINE TOO FREE IN FRAME CAUSING CLUTCH JAGGERS ETC

June quarter C.C. 2 2
C.P.
Previous quarter C.C. 2 2
C.P.
--------------------------
Six months 4 4
==========================

GSF.52. 43.916 Kms.
Fitted a set of torque reaction dampers
GRF.32. 10.561 miles.
Ditto
  
  


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