Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Parts list for the Merlin 2-speed Supercharger Operating Mechanism.

Identifier  ExFiles\Box 132\2\  scan0106
Date  14th March 1940
  
R.R. 1611/1 (2.5) (17267 14-3-40) B.P. 49936

Section Merlin 2-speed Supercharger Operating Mech.

Ref. No. No. Off. Part No. Weight lbs. ozs.

Stud - valve housing op.cyl 4 E.50761)

1
Cover - operating cylinder 1 D.7170 )
Liner - " " 1 D.7171 )
Cylinder " " 1 D.11294 )
Housing - valve gland 1 D.11295 )
Sleeve valve- operating cylinder 1 D.7169 ) 2 10½
Union " " 2 D.8057 )
Joint washer-union " " 2 E.27492 )
Stud - valve housing 1 D.9966 )

2
Piston - operating cylinder 1 D.9948 )
Connecting Rod " " 1 D.9946 )
Adjusting washer - conn.rod 1 D.9943 )
Lockwasher " " 1 D.10872 )
Ball pad - inner - " " 1 D.9945 )
" " - outer - " " 1 D.9946 )
Locknut " " 1 E.51826 ) - 9½
Retaining collar-jaw " " 1 G.100663)
Jaw " " 1 D.7777 )
Lockwasher - retaining piece 1 E.8112 )

3
Lever - valve 1 E.44153 )
Spring " " 1 E.44158 )
Packing - valve gland 1 D.44157 )
Washer - " " 1 E.44159 )
" " " 1 E.44160 )
Valve - op - cyl. 1 D.10480 ) - 10¾
Bolt - valve lever 2BA 1 K.106 )
Nut " " 1 K.4307 )
Grover " " 1 K.4506 )
Retaining piece op.cyl. 1 D.12076 )
Plate - operating, valve lever 1 - )

4
Shaft - operating 1 D.10865 ) - 13
Plug - shaft 2 D.10866 )

5
Operating lever - centre 1 D.7768 )
Bush " " 2 D.7775 )
Spring - op lever - centre 1 D.7778 )
Roller - op lever - centre 1 D.7773 ) 1 2½
Eccentric pin " " 1 D.7772 )
Locating disc - eccentric pin 1 D.7776 )
Nut - " " 1 K.4310 )

(Cont'd -
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙