Volvo MD5A, Руководство по ремонту

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Centrifugal governor
37.
Clean the governor. Check to see if the weights 2 grip
on their spindle or if there is too much movement between
the spindle and the governor weight. Afterwards check that
the pin 1 slides easily in the spindle. Finally check both the
ball bearings 3. Replace the ball bearings if they are tight.
Check that all the movable parts move easily, lubricate and
refit them in the reverse order.
39.
Mark the piston and the connecting rod. Remove the
circlips. Press out the gudgeon pin with a drift. (The piston
can be heated first to ease removal.)
Piston
38.
Remove the piston rings with the help of piston ring
pliers. Clean the piston and be particularly careful about the
piston ring grooves.
40.
Press the bush out of the connecting rod if it is worn or
damaged. Then knock out the connecting rod screws. Note!
The screws must always be changed when the connecting
rod has been dismantled.
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