Skytrak 6036 Service Manual Bedienungsanleitung PDF herunterladen (Seite 110)

Section 8. Engine

8-24

Model 6036 S/N 9B0499 and Before

4. After all the nuts and capscrews have been

checked, check the first 10 positions again to

ensure that they are still to the correct torque.

During this last check, do not loosen the nuts

and capscrews.

Fig. 8.29 Cylinder Head Torque Sequence

8.9 HEAD TORQUE CHECK

1. Run engine until coolant outlet temperature is

higher than 170 °F (77 °C).

2. Stop the engine and remove the cylinder head

cover.

3. Check the torque of the cylinder head nuts and

capscrews in the correct sequence as shown in

Fig. 8.29. The correct torque is 100 lb-ft (136

N m) for 1/2" studs and capscrews; 60 lb-ft (84

N m) for 7/16" studs.

• If a nut or a capscrew turns when checked,

tighten it to the correct torque.

• If a nut or a capscrew does not turn when

checked, loosen it by 30 to 60° and then

tighten to correct torque.

Fig. 8.30 Valve Stem Tip Clearance Check

8.10 STEM TIP TO ROCKER

ARM CLEARANCE

CHECK

The correct clearance between the top of the valve

stem and the rocker lever is 0.012" (0,30 mm) with

the engine cold.

NOTE: No. 1 cylinder is at the front of the engine.

To adjust this clearance:

1. Turn the crankshaft in the normal direction of

rotation until the inlet valve of No. 4 cylinder

has just opened and the exhaust valve of the

same cylinder has not fully closed. Check the

clearances of No. 1 cylinder valves and adjust

if necessary, Fig. 8.30.

2. With No. 2 cylinder valves set as given above

for No. 4 cylinder, check and adjust clearances

for No. 3 cylinder valves.

3. With No. 1 cylinder valves set, check and

adjust clearances of No. 4 cylinder valves.

4. With No. 3 cylinder set, check and adjust

MA1451

MA0411

11 4

1610

5715

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