Fayat Bomag BP 25/50 Operating Instruction, Maintenance Instruction page 79

Maintenance – Annually
Checking the valve clearance
Fig. 67
Adjusting the valve clearance
Fig. 68
Final work
Fig. 69
82
Valve clearance:
Intake valve (IN)
Exhaust valve (EX)
1. Check the valve clearance with a feeler gauge between
rocker arm (2) and valve shaft (1) on both valves, adjust if
necessary.
1. Hold the hexagon nut (1) on the rocker arm and loosen
counter nut (2).
2. Adjust the hexagon nut, until the feeler gauge can be
inserted and pulled out with little resistance after retightening
the counter nut.
1. Install the valve cover (2) with a new gasket (3).
2. Tighten the fastening screws (1).
BP 25/50
0.08 mm (0,003 in)
0.10 mm (0,004 in)