Bomag BPR 50 D - Checking, Adjusting the Valve Clearance

Check condition and tightness of V-belt Ä Fig. 51.
Compression measurement: approx. 10 to 25 mm
(0.59 to 0.98 in)
NOTICE!
Replace a damaged V-belt.
The V-belt cannot be tightened manually. Always
replace the V-belt, if the compression measurement is
exceeded.
Remove the safety cover (1) Ä Fig. 52.
Disassemble the front V-belt pulley (2).
Take off the V-belt and replace it with a new one.
If necessary reassemble the spacers that had been removed.
Assemble the front V-belt pulley and fasten it.
Assemble the guard and fasten it (tightening torque: 15 Nm
(11 ft.lbs)).
Install the top V-belt guard .
6.8.3
Checking, adjusting the valve clearance
NOTICE!
Danger of engine damage!
We recommend to have this work carried out by
trained personnel or our after sales service.
– Before checking the valve clearance let the engine
cool down.
– After a short test run check the engine for leaks.
Protective equipment:
n
Working clothes
n
Protective gloves
Park the machine in secured condition.
Allow the engine to cool down to ambient temperature.
Fig. 51
Replacing the V-belt
Fig. 52
Preparations
Maintenance – Half-annual maintenance
BPR 50/55 D / BPR 60/65 D
64
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