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First step is to remove the transmission cover plate, fill
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the hole with a rag, and clean off the mating face. The studs should then be inserted to the shoulder of their threads, and tightened to roughly a quarter of their final tightening torque (typically 14NinI101bfl).
2 If a filler block is required, this should now be added (as shown). Note that gaskets are required between all mating surfaces, including between the block and the transmission. As a first stage, a 10 thou and a 20 thou gasket should then be added on top of the filler block before mounting the pt-o.
3 As a guide when mounting the pt-o, the output is always towards the rear of the vehicle. The driver gear is also always 1/2 inch from the centre of the aperture (the lefthand gear as shown). Bearing these points in mind, the pt-o should then be secured with a minimum of two nuts. 4 After removing the shifter cover, the backlash between the pt-o and the transmission can be checked with a dial gauge (it should normally be between 6-12 thou). If required, gaskets are added or removed to correct the backlash (a maximum of four gaskets is recommended). Running the pt-o will confirm the setting before all the nuts are torqued uP using copper washers.