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Service Memorandum CONFIDENTIAL W/33l SERVICE MEMORANDUM 13 April 1959 STEERING BOX FLANGE COUPLING NUT SIX-NINETY On original assembly, the nut retaining the coupling flange is locked in position by slightly damaging the thread with a punch or chisel. However. as a precaution against. the possibility of the nut working loose: a lockplate, Part No. ACBB926, used in conjunction with a i" UNF nut, Part No. FNZll03 is recommended. It is important to tighten the nut to a torque figure of 525 to 550 lbs./inches (6.05 to 6.47 kgm.) and the lock plate should be rotated or turned over to obtain the optimum locking position. At the same time the fit of the flange coupling on the worm shaft should be examined and, if necessary, the coupling renewed. CONFIDENTIAL W/31? SERVICE MEMORANDUM 28 Nov. 1958 FLEXIBLE PIPE TO CARBURETTER SIX-NINETY PW!323 notified the introduction of a rubber pipe, Part No. ACC88?8, with clips, Part No. ACA5l03, at Car No. 8938. This pipe will continue to be fitted as standard in production but service replacements should be made with a metal-braided pipe, Part No. ACB8725, secured with clips, Part No. ACA5ll9. PW/3?2 and illustration No. L 79 in the Parts List refer. CONFIDENTIAL W/320 SERVICE MEMORANDUM 9 January 1959 FITTING VACUUM SWITCH & WARNING LIGHT SIX-NINETY TO BRAKING SYSTEM (Series III) A vacuum switch and warning light (which will light up if there is a leakage of air into the brake vacuum reservoir) can he fitted if required. The parts required are listed at the end of this memorandum. ACH5854 ACe8741 ---------- _____ Ace 8763 D ACH8979 ACH 5854 Proceed as follows: 1. Remove banjo union ~A' '(Fig.l) from servo unit. Drill and tap 5/16" @ U.N.F. as shown at 'B' (Fig.2). Refit modified union, and fit adaptor (Part No. ACB8741) with fibre washer (Part No~ ACB8764). P.T.O. - 2 - .. 2. Drill two holes 13/64" (5.16 nun.) diameter in servo bracket flange tc' (Fig.l) according to dimension shown in Fig.3, and fit vacuum switch (Part No. ACB8762) using two pan-head screws (Part No. PMZ0382) spring washers (Part LWZ203) and nuts (Part No. FNZI03). 3. Fit to vacuum switch adaptor (Part No. ACB8741) with fibre washer (Part No. ACB8764). 4. Fit rubber hose (Part No. ACB8763) between adaptor on servo unit and adaptor on vacuum switch, using two hose clips (Part No. ACH5854)~ and secure with rubber strap (Part No. ACH8979) as shown at 'D' (Fig. 1). 5. Attach warning light bracket; (Part No, ADB4667) to underside of facia panel t approx , 18*" (479 nun. ) from centre of car on the driver's side, as shown in Fig. 2 Two holes 'E' must be drilled for self tapping screws (Part No PTZ603) ADB4667 6. A double-wire electric cable will be required. Connect the two wires at one end of the cable to the two terminal blocks in the vacuum switch as shown at 'F' (Fig. 1). Run cable along chassis, securing where necessary. At the 17H550 other end of the cable. connect one wire to terminal 'A 4: on fuse box and the other wire to snap connec'or 'G' on warning light lead under facia panel (Fig. 4). Parts reguired: DescriEtion ~No Quant~ll Vacuum switch ACB8762 I off Adaptor - vacuum switch ACB8741 2 off Washer - adaptor ACB8764 2 off Hose - servo unit ACB8763 1 off Bracket - warning light ADB4667 I off \V'arninglight 17H5508 1 off Hose clip ACH5854 2 off Rubber strap ACH8979 I off Nut FNZI03 2 off Washer LWZ203 2 off Pan-head screw PMZ0322 2 off Self-tapping screw PTZ603 2 off PRINTED IN ENGIAND CONFIDENTIAL W/313 SERVICE lVIEMORANDUMcanCelling W/308 3 Nov. 1958 OIL LEAKAGE FROM STEERING GEARBOX SIX-NINETY This trouble is usually traceable to damage to the sealing ring (A) in assembly. Such damage can be avoided by the use of a suitable pilot (B) turned to the dimensions shown. c I • I (3·17mm )-- -n- . ~k- j ~ ~~-.-- -~:--1 I-II~ L__ L_____q-----.J '375" 2'000 (SO'80mm) (9'S2mm) PRINTED IN ENGLAND CONFIDENTIAL W/3l2 SERVICE MEMORANDUM 23 October 1958 IMpORTANT WDIFICATION§ Parts List Amendment NOt Steering - From Car No. 40187 (RHD) - 'Fifteen-Fifty' ) PI'{/375 socket Body No.l9748 (approx) - 'Fifteen Hundred r ) assemblies To improve grease release Grease escape hole drilled in ball socket caps. Fibre washers fitted beneath grease nipples. Socket assemblies interchangeable provided fibre washers specified are also fitted. Carburetter From Car No. 10985 - 'Six-Ninety' PN/370 connecting To prevent cracking at bend pipe Moulded pipe replaces straight pipe bent to shape. Interchangeable. CONFIDENTIAL W/308 SERVICE MEMORANDUM 3 Sept. 1958 OIL LEAKAGE FROM STEERING GEARBOX SIX-NINETY This trouble may usually be traced to damage to the sealing ring (tA' in the accompanying sketch) in assembly, A stator tube pilot - tBt - Part No. SKI0633, is available for service purposes and should always be used in the fitting of the stator tube. I!I~ 51<10633 --$-t :f!.375"(9.52....) 2.000" (so.eOmm) CONFIDENTIAL W/301 SERVICE MEMORANDUM IMPORTANr MODIFICATIONS 11 June 1958 Parts List Amendment No. Engine mounting From Car No.10394. - Six-Ninety PV{/338 rubber - front To reduce possibility of shake at high speed Harder mounting rubbers fitted. Interchangeable in pairs only. Gearbox - From Gearbox No.314.8 RHD ) Six-Ninety ) selector & 7175 LHD ) (standard gearbox) operating 1605 RHD ) Six -Ninety ~ Fn/338 levers & 1072 LHD ) (overdrive gearbox) ) cross-shaft To provide firmer anchorage for levers Levers splined to cross-shafts and retained by screw instead of cotter pin, washer and nut. Interchangeable in sets only. Front seats From Car No.lOO4.8 - Six-Ninety Fn/34.3 Added comfort Front cushion roll raised to improve support; shape at squab now concave to improve fit. Seat assemblies only interchangeable in pairs. Rear axle- From Car No.17254. - Fifteen Hundred PN/34.4. case and Improved design rubber buffers Spring seats strengthened. Rubber buffers modified to suit. New axle may be used on earlier cars if modified buffers are also fitted. CONFIDENTIAL W/297 SERVICE MEMORANDUM 24 April 1958 Il\1PORJ'ANT flDDIFICATIONS Parts List Amendment No. Gear lever From Car No.9913 - Six-Ninety PW/323 draught excluder To improve dust sealing Material changed from leather to plastic, Interchangeable. Gearbox - From Engine No. 5569 - Six-Ninety PW/326 rear extension oil seal To improve oil sealing Synthetic rubber oil seal replaces leather type. Interchangeable. Automatic From Car No.9660 - Six-Ninety PW/320 transmission - selector rod To increase clearance between selector rod and converter housing Selector rod re-shaped. Interchangeable. • CONFIDENTIAL W/296 SERVICE MEMORANDUM 20 March 1958 IMPORTANT MODIFICATIONS Parts List Amendment No. Rear door From Car No,9760 - Six-Ninety PW/323 glass & felt To improve sealing Bottom edge of glass re-shaped, and extra felt fitted. Interchangeable together, Manumatic Commencing Car No. not available - PW/322 clutch -Fifteen-Fifty control unit (with Manumatic clutch) To improve operation Control unit with modified internal mechanism introduced. Interchangeable as an assembly. Clutch and From Engine No. H.5813 - Fifteen-Fifty PW/326 flywheel (with Manumatic clutch) Improved design Introduction of 8" (203.2 mm , ) diameter clutch. Flywheel modified to suit. Interchangeable together. Inlet From Engine No. L.13101 -_fifteen-Hundred ) manifold H.6957 )_ F'ftee -Fift ) No L.6631) ~ n y ) change ) H.6413) - Fifteen-Fifty in ) L.4323) (with Manumatic Part No, ) clutch) ) Improved design Thickness of carburetter mounting flange bosses and fillet radius between flange and induction track increased, Interchangeable. .. CONFIDENTIAL W/296 SERVICE MEMORANDUM 20 March 1958 IMPORTANT MODIFICATIONS Parts List Amendment No. Rear door From Car No.9760 - Six-Ninety PW/323 glass & felt To improve sealing Bottom edge of glass re-shaped, and extra felt fitted. Interchangeable together. Manumatic Commencing Car No. not available - IW/322 clutch -Fifteen-Fifty cont rol unit (with Manumatic clutch) To improve operation Control unit with modified internal mechanism introduced. Interchangeable as an assembly. Clutch and From Engine No. H.5813 - Fifteen-Fifty FW/326 flywheel (with Manumatic clutch) Improved design Introduction of 8" (203.2 mm ,) diameter clutch. Flywheel modified to suit. Interchangeable together. Inlet From Engine No. L.13l01 - Fifteen~undred ) manifold H.6957 ) ) - Fifteen-Fift~ No 663l ) ) Le change ) Fifteen-Fift~ in H.64l3) - ) L.4323) (with Manumatic Part No. ) clutch) ) Improved design Thickness of carburetter mounting flange bosses and fillet radius between flange and induction track increased. Interchangeable. CONFmENTIAL • W/295 SERVICE MEMORANDUM CANCELLING W/24.1 6 March 1958 REPLACEMENT OF GEARBOX LEVER RUBBERS SIX-NINETY Attention is drawn to item No.3 in Service Memorandum No. W/235, 7th July, 1955. It is desirable that the steel bush, Part No. ACH5897, which was introduced to replace the rubber grommet, Part No. ACH5123, fitted to the shifter and selector levers, should be fitted to all cars prior to No.634. The sketch shows the method of assembly, 'Ao being the new bush which should be brazed into position, 'Bw a 5/16 in. plain washer, Part No. PWZl05, and IC' anti-rattle washers (2 off), Part No. AWZI05. • CONFIDENTIAL W/292 SERVICE MEMORANDUM 30 Jan. 1953 li\IPORTANTtlIODIFICATIOnS Parts List Amendment Ho , Rear sprinGs From Car NO,91Gl - Six-Ninety PW/315 - front and To improve suspension rear shock absorbers Lower rate rear springs introduced, Settings of front and rear ahocI;:- absorbers modified to suit, Rear bump rubber brackets on chassis frame also modified (but chassis frame Part No, unchanged). l.Iodifiedchassis frame will service previous type but other items are not interchangeable. Windscreen Commencing Car No.
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