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.

3. Measurá üe cleaEnce belwee¡ the @cke¡ ah pislon and the shim on lop ol thé yoke lbridoe) as sh(M in Fioure440.

6.

REPAIB INSTRUCTIONS, PART 3

wirh rhe requifed sh¡ñ(s) in pra@, hsian the rétain¿r *wseunng lhe shim(s)lolhe valve yokó d liahlén lo .pecilical on. Hold lhe toke securely while llohtenina the

Fecheok lhe clearance behreen thé dhausl w vá r@ker arm and lhe valve yoke.

Sefvice Hint

Mark lh€ Éspel ve rccker arm as each va w adiuslm€nl is 6mpléled.

EXHAUSf VALVE ADJUSTMENT (WIH 4-FOCKEB POWERLEASHT¡)

Note

The nlmbe6 oñ ü€ cmshafi pr€€ded by an E ae used ro adjusl rhe qhausr varves when the enoi.é is équipDed wilh Püvé[eash¡M.

l.Loose¡ lhe sces holdinq thé d¡le spri¡gs lo € éae lhe spring lens¡on agdlñst th€ énginé bbk6 ¡ocké. a.ms, i¡easu@ lhe clearance bétw€én rhe qhaust @ker am pislon and the shim on lop ol the valve yoke (bndse) 6 shown n F¡gurc 444.

Enginos €quipped w¡th the Powe 6sh e¡gine bEke have iwo rmkér ans workiñg in @mbinalion 1o mnlm¡1he qhaust vatres. They aE lhe exhaust rockef afñ and rhá brake reck6r árn which are adllsted sepa@lely as dekibed in lhe lollowing p@edu€.

3.

Using lhe iLywheel lurn ns roor, 80800014, ba¡ lhé éngine over e that lhe appóprial6 E ¡umbermarkinq ! bénreen rhe llnes oñ thé Íionl @mshaí beárins ep.