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To adjust the control cable, set the speed control in the idling
(viii)
position, screw in the cable adjuster (L) until there is a small
amount of slack in the inner cable, i e., the control lever can Just
be moved before the inner cable begins to move the plunger
82. Air cleaner maintenance.
(a) Paper element type
(i) Unscrew the nut on the cover and remove the cover.
(ii) Remove the element. The element may be cleaned by blowing
compressed air from the inside to the outside Do not attempt to
clean the element by any other means.
(iii) A strong light directed into the inside of an element and viewed
from the outside will reveal any damage to the paper
corrugations If the element is damaged or shows a large deposit
of dirt. fit a new element obtainable from Petters Ltd or their
agents
(iv) On AB1W engines thoroughly wash out the cover in petrol or
paraffin and allow to drain. After making sure the gauze is clean,
dip the cover in a bath of clean lubricating oil and allow to drain
before refitting.
(v) Replace the element and cover making sure that the element
sealing rings and inlet manifold seal are in good condition.
(b) Oil bath type
(i) Remove the bottom cup and thoroughly clean out the sediment.
(ii) Remove the cleaner and wash out in petrol or paraffin and allow
to drain.
(iii) Refit the. cleaner and fill the cup with clean engine oil to the level
indicated
(iv) Refit the cup.
83. Clutch (Fig. 22)
(a) To remove
(i) Remove the screws (A) securing the clutch housing (B) to the
crankcase and withdraw the housing complete with the
operating lever and shaft.
(ii) Slacken each setscrew (C) securing the clutch to the flywheel half
a turn at a time working diagonally across the clutch until all the
clutch spring pressure is released. Remove the setscrews.
(iii) Remove the clutch (D) and clutch plate (E) from the flywheel.
The clutch is dowelled 10 the flywheel.
(iv) The clutch should not be dismantled unless special tools are
available for assembly and balancing the clutch
(b) Clutch maintenance
(i) Parts most likely to wear are the clutch pressure plate (F), thrust
bearing (G) and the clutch linings.
(ii) The surfaces of the flywheel and clutch pressure plate should
have a clean, even, polished appearance. If the surfaces have a
glazed or varnished appearance make sure that oil is not
penetrating to the clutch housing from the engine
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