Fayat Dynapac DR7X, Operating Instruction

Page: 77 / 110

5. Align the alignment mark on the flywheel rib with the top bore
of the fan cover.
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The piston is in top dead centre position of the compres-
sion stroke.
6. However, if the exhaust valve is open when aligning the
marks, the flywheel must be turned further by 360°.
7. Check the valve clearance with a feeler gauge (2).
8. To adjust the valve, hold the valve adjustment screw (1) and
loosen the locking nut (3).
9. Turn the valve adjustment screw in or out, as required.
10. Retighten the locking nut, tightening torque: 8 Nm (6 ft·lbf).
11. Clean the sealing faces on cylinder head cover and cylinder
block.
12. Apply a bead of liquid sealant, approx. 1.5 to 2.0 mm
(0.06 to 0.08 in) in diameter, to the inner side of the cylinder
head cover.
Liquid sealant: Three Bond 1207B or similar.
13. Attach the cylinder head cover to the cylinder block within the
next 10 minutes.
14. Tighten the fastening screws.
Fig. 68
Fig. 69
Fig. 70
Fig. 71
Maintenance – Annually
DR7X 77