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).
Installation and adjustment instructions for Delco Lovejoy hydraulic shock absorbers.
| Identifier | ExFiles\Box 28\1\ Scan248 | |
| Date | 28th April 1931 | |
| 8832. Mr. E.{Mr Elliott - Chief Engineer} H.{Arthur M. Hanbury - Head Complaints} Hewes, RR Ltd, Derby, England MAINTENANCE BULLETIN No. 310-21 RE-ISSUE April 28, 1931 RE: DELCO LOVEJOY SHOCK ABSORBERS Instructions below cover the installation and adjustment of Delco Lovejoy Hydraulic Shock Absorbers as described in Parts Letter No. 310-6. 1. Installation (a) Rear Absorbers - Chassis 1 - on These should be mounted as per sketch "A" attached. Particular attention should be given to correct frame location and drilling as shown. Various dimensions are as follows: From center line of swivel pin crossmember 10.750" - Chassis 1-1700 11.350" - Chassis 1701-2500 14.600" - Chassis 2501 - on From level top of frame 2.500" - Chassis 1-1700 2.750" - Chassis 1701-2500 2.750" - Chassis 2501 - on For long wheelbase chassis of the 1701-2500 series, a special rear axle ball stud bracket (M-1839/40) is required. Care must be used to see that the correct fittings for this design are installed. (b) Front Absorbers - Chassis 2401 - ON For this fitting the shock absorber has been arranged for use with the triangular axle control bracket as shown in sketch "B-1". The arrangement should be carried out as follows: 1. Remove old shock absorber and the triangular control bracket from the chassis. The ball stud should also be removed from the top. 2. Bed new ball stud M-1777 in old ball pads, and leave them in place. See Maintenance Bulletin 310-19. 3. Free axle from springs and add taper packings between axle and springs till pivot lean is 2°. Do not fit a compensating taper packing on top of the spring unless one is already there in which case do not change it. [STAMP: RECEIVED RR LTD 29 APR 1931] | ||