Fayat DYNAPAC DRP20D, Operating Instruction, Page: 80 / 102

Valve clearance:
Intake valve (IN) 0.20 mm (0.008 in)
Exhaust valve (EX) 0.20 mm (0.008 in)
1. Crank the engine, until the exhaust valve (EX) is fully open.
2. Check the valve clearance on the intake valve (IN) with a
feeler gauge (1), adjust if necessary.
3. Crank the engine further, until the intake valve is fully open.
4. Check the valve clearance on the exhaust valve, adjust if
necessary.
1. Loosen screw (3) on the rocker arm.
2. Adjust the hexagon nut (2), until the feeler gauge (1) can be
inserted and pulled out with noticeable resistance after the
screw (3) has been tightened.
1. Install the valve cover (2) with a new gasket.
2. Tighten the fastening screws (1) evenly.
Checking the valve clearance
Fig. 73
Adjusting the valve clearance
Fig. 74
Final work
Fig. 75
Maintenance – Annually
DRP20D 80