TIMING CASE AND DRIVE - K.3Check idler gear end float as shown in Fig. K.5.The end float should be between 0.003/0.007 in(0,08/0,18 mm).Fig. K.4.Showing Timing Marks on Drive Gear6.Tighten down the rocker assembly securing nutsand adjust the valve clearances to 0.012 in (0.30mm) cold.7.Refit the timing case front cover as previouslydetailed in this Section.Fig. K.5.Checking Idler Gear End Float.To Remove the Camshaft Gear1.Remove the timing case front cover aspreviously described in this Section.2.Knock back the locking washer tab and removethe camshaft gear retaining setscrew, lockingwasher and camshaft gear retaining plate.Fig. K.6.Camshaft Gear Removal3.Using a suitable extractor, remove the camshaftgear (see Fig. K.6).4.Clean and thoroughly examine the gear forwear, cracks and pitting, etc.To Refit the Camshaft Gear1.Remove the idler gear as previously describedin this Section.2.Slacken off the rocker assembly securing nuts.3.Refit the gear to the camshaft by drawing it ontothe shaft with the retaining plate and setscrew.4.Turn the engine until No. 1 piston is at T.D.C.,i.e., with the crankshaft gear keyway at the topof its periphery.5.Refit the idler gear to its hub ensuring that thetiming marks on the crankshaft gear, fuel pumpgear, camshaft gear and idler gear are correctlyaligned as shown in Fig. K.4. Assemble the idlergear retaining plate to its studs, and secure withthe three self locking nuts tightened to a torquesetting of 30 lbf ft (4,1 kgf m)- 40 Nm.6.Remove the camshaft gear retaining setscrew,fit a new lock washer, refit the setscrew,
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