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DEFENDER ENGINE . .. . . . . Fitting camshaft Inspection 1. Mount the camshaft o n blocks o n a surface plate for convenience and examine the for wear, scores, pitting and chipped edges. 2. Examine the journals for obvious wear and scores and signs of overheating, in particular, check t h e thrust plate. If the are visibly check with a dial gauge o r micrometer for overall wear, ovality, taper and CAUTION: If t h e skew gear is worn a n d requires renewal, t h e camshaft must a l s o b e two gears have run t o g e t h e r they b e c o m e a matched 3. Lubricate t h e camshaft bearings and journals with clean engine oil and carefully insert t h e camshaft into the cylinder block. Fit the thrust Fitting camfollowers 1. Examine all the components for wear and damage particularly t h e rollers and pushrod If t h e same parts are being refitted, ensure that they are Note: The tappet retaining screws have a micro encapsulated locking compound applied t o t h e do not become loose. O n c e t h e screw has been used t h e locking ability - ' T o check the camshaft end-float, temporarily fit the camshaft gear and mount a dial test so that the stylus rests in a loaded condition upon t h e machined f a c e of the gear. Zero t h e dial and move the camshaft back and forward and n o t e t h e reading. The end-float t o (0.0025) to 0.0055 in) If necessary fit another thrust plate t o achieve t h e correct end float. . , 63 |