Machining services include Gearbox production, non-Overdrive conversions and all Classic Car Gearbox Repairs. It basically consists of an epicyclic gear system which allows the input shaft to reduce speed by about 25 in 3rd and. Overdrive Repair Services started in 1986 taking over from Laycock Engineering providing everything from the smallest spare part to the full Overdrive Unit. Mine always worked quite well so I wasn’t expecting to find anything particularly out of order. It’s a Laycock J type used on many cars of the era. Here are just a few LOW RESOLUTION Sample image From Adobe Acrobat Viewer (included on CD)ĪCTUAL IMAGES ON THE CD ARE HIGHER RESOLUTION AND CLARITYĪ MANUAL LIKE THIS IS A MUST FOR OWNERS OF THESE VEHICLES. Once the gearbox was complete the overdrive was next up.
REBUILDING (BREAKDOWN, SERVICE & REASSEMBLY)ĭON'T BE CONFUSED BY OTHER LESS COMPLETE MANUALS With the Laycock overdrive you lower the speed of your MG and this ensures a strong reduction of the engine noise. His design made it possible to shift instantly from overdrive to direct drive and back again without a break in the drive. *FITTING THE ELECTRICAL RELAY CIRCUITS & CONTROL PANEL The story of my Volvo Amazon M41 D-type and its failure.D-type and J-type Laycock de Normanville Overdrives were used in the Volvos of the 1960s and early 1. He designed an epicyclic four-speed gearbox produced by Humber during the 1930s but is best known for his epicyclic overdrive manufactured from the 1940s by Sheffield s Laycock Engineering. *-SERVICING THE OIL PUMP & CHECKING THE SUN WHEEL END FLOAT * WE SHIP WORLDWIDE (see shipping rates below)ĭETAILED AREAS OF THESE UNITS ARE COVERED:
The ENTIRE 45 PAGE Manual on CD in PDF format for easy viewing on almost any computer ĬOVERS: IDENTIFICATION, OPERATION, BREAKDOWN/REASSEMBLY, SPECIFICATIONS AND STEP BY STEP SERVICE PROCEDURES TRANSMISSION MECHANICS WITH EXPERIENCE WORKING ON THESE UNITS IS RARE. See search results that fit your vehicle.
Update your shipping location 7 S 0 p o n s o r P A E e d-1 U J 0 F-1-1. COMMON IN THE AUSTIN 1000, TRIUMPH 20S, 20ST, VANGUARD & TRIUMPH TR2s, AND ONE OF THE OFTEN OVERLOOKED AREAS OF THESE VEHICLES, THE OVERDRIVES CAN BE COMPLICATED AND REQUIRE SPECIALIZED TOOLS & SERVICING. Save laycock overdrive to get e-mail alerts and updates on your eBay Feed. JUST ABOUT EVERYONE AGREES.DRIVE YOUR TRIUMPH or AUSTIN 1000 ENOUGH AND YOU MIGHT BE REBUILDING YOUR LAYCOCK NORMANVILLE OVERDRIVE.
This Manual Includes Service & Instruction Information For Laycock-De-Normanville Overdrive Units With Electrical Controls. OVERDRIVE UNIT SERVICE & INSTRUCTION CD MANUAL