Wacker Neuson 803 Notice D'utilisation page 155

5.6 V-belt
Checking V-belt tension
2
1
About 8 mm
Fig. 203: Checking V-belt tension
Retightening the V-belt
OM 803 us – Edition 3.7 * 803b520.fm
WARNING Warning!
Injury hazard when checking the V-belt tension!
Can cause serious injury or death.
• Stop the engine before performing inspection work in the engine compartment
• Raise the lock lever
• Remove the starting key
• Disconnect the battery
• Let the engine cool down
NOTICE
Cracked and stretched V-belts cause engine damage
• Have the V-belt replaced by a Wacker Neuson service center
Check the V-belt once a day, and retighten it if necessary.
Retighten new V-belts after about 15 minutes of running time.
Stop the engine
Raise the lock lever
Remove the starting key and carry it with you
Disconnect the battery
Let the engine cool down
Open the engine cover
Carefully check V-belt 1 for damage, cracks or cuts
Replace the V-belt if it touches the base of the V-belt groove or if the pulleys are
damaged.
Press with your thumb about 100 N (22.5 lbf) to check the deflection of the V-belt
between the crankshaft disc and the fan wheel. A new V-belt should have a deflection
of 6 to 8 mm (0.24 to 0.31 in), a used V-belt (after about 5 minutes running time)
should have a deflection of 7 to 9 mm (0.27 to 0.35 in) (see figure)
Retighten the V-belt if necessary
• If the V-belt is damaged:
Have the V-belt replaced by authorized personnel
Close and lock the engine cover
May only be performed by a Wacker Neuson service center.
Maintenance
5-15