REPAIR INSTRUCTIONS, PART 3 EXHAUST VALVE AOJUSÍMENT (WITH +BOCKER POWEFLEASHTT)
NOTE The ¡umbe6 o¡ the camshalt preceded by a v ae used lo adjust lhe exhausl valves when lhe e¡gine is equipped wlh Pore -eashrM,
I.
Using lhe lwhed lurning lool,98800014, bar lhe engine over so thal the appropriate V numb3r mafkinq lor the respeclive exhausl valve is be1{een lhe lines on lhe cañshal
Press down on lhe rockér arm ás shown in Figuré 439. ll the rocker arm spnngsi the bÉké p sron spring should be pul ed ourwad al ihe same lime 4 lhe r@ker arm is p€sséd d@n lo make ánd ensúre @ntact wilh the valve slem. Use a sl@ng wie wilh a hooked end lo @lch and compráss lh6 spring. When the pislon spring is looséned tom its sear, rhe residual oil iilm €raininq lhá 6pr ng is punclur€d, allowing lh€ adJuslment sel¡nq to be moE accufale.
4. lf clea.ance is nor withiñ specii cation, adjusr üe cléaEncé as rcquned, lsing shims
(Fiqure 441) pláced óñ top ol lhé válv€ yók6
a. Femove rhe shim fetain¡ng screw and Emove lhé shim(s).
b, Delérminé lhe rhicknessotlhe shim(s) équifed to malch lhé measuréd
6. Make sure lhai lhe vd@ yoke and shim(s) are 6lean. Place rhe shim(s) in position on lhé valve voke.
NOTE DO NOT use ñoé lhan tuo shims. Shims are aEilable in 0,05 mm (0.002 inch) increnerns with lhé lhickness ma*ed on lhe su¡t¿ce. lt Nlo shims are requir€d io lák6 up lhé cleaance, the shims should be ol neadv equal thicknéss.
S3. Measurá üe cleaEnce belwee¡ the @cke¡ ah pislon and the shim on lop ol thé yoke lbridoe) as sh(M in Fioure440.
F¡quE
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Enqrn¿ conpEs¡on BFh. adiu.rú6¡
