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 instructions for rear Lovejoy hydraulic shock absorbers.
| Identifier | ExFiles\Box 28\1\ Scan063 | |
| Date | 2nd January 1924 | |
| FACTORY ONLY LOVEJOY HYDRAULIC SHOCK ABSORBERS ROLLS-ROYCE REAR IMPORTANT,-Read all instructions carefully before installing. ABSORBERS ARE PLACED INSIDE OF FRAME IN FRONT OF AXLE. ENTER BOLTS FROM INSIDE OF FRAME. SEE THAT GAS AND ELECTRIC LINES ARE OUT OF THE WAY BEFORE DRILLING. LOCATION OF HOLES OUTSIDE VIEW, LEFT SIDE THIRD HOLE,-Use K-11 bracket as template, on outside of frame, to locate this hole. Drill 33/64". FIRST HOLE,-Drill 33/64" hole, 8" back from extreme rear edge of spring-bracket, as indicated by dash line, and 1-3/4" up from bottom of frame. SECOND HOLE,-Drill 33/64" hole, 5" back from center of first hole and 1" up from bottom of frame. Cut away floor boards enough to clear these adjustment nuts if necessary. INSIDE VIEW LEFT SIDE 1 1/2" Bolt K-11 Bracket 4-1/8" Bolts Strap Absorber 1 1/2" x 7/16" Bolts Strap B79 PLACE STRAP WEDGE AS SHOWN 1 1/2" Bolt Use R8 (Reinforcing Washers) outside frame, under each nut and lock-washer. NOTE,- Fasten B79 strap brackets to square flange on axle-housing with 1 1/2" x 7/16" Bolts. Then place strap in slot, pass under axle and in back of brake rod and fasten to absorber arm. PARTS USED ON THE REAR Quan. | Part | Quan. | Part 2 | Absorbers(77L&77R), Arm 8, 1st. St.{Capt. P. R. Strong} Val. Spring. 2nd " " " | 6 | #8R Washers 2 | 1-1/2" x 1/2" SAE Bolts | 2 | K-11 Brackets 4 | 4-1/8" x 1/2" " " | 2 | B79 6 | 1/2" Lock-washers | 2 | 15 1/2" Straps (Locking-wedge attached). 6 | 1/2" SAE Nuts 4 | 1-1/2" x 7/16" SAE Bolts 4 | 7/16" Lock-washers 4 | 7/16" SAE Nuts | ||