Wacker Neuson 803 - V-Belt; Checking V-Belt Tension

3-30 SHB 803 en – Edition 2.4 * 803s312.fm
Maintenance
3.12 V-belt
Danger!
Only check or retighten/replace the V-belt when the engine is stopped –
Injury hazard!
☞Stop the engine before performing inspection work in the engine compart-
ment!
☞Disconnect the battery or the battery master switch
☞Let the engine cool down
Caution!
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 or every 10 operating hours, and retension it if necessary.
Retighten new V-belts after about 15 minutes of running time.
Checking V-belt tension
☞Stop the engine
☞Lock the control levers
☞Remove the key and carry it with you
☞Disconnect the battery or the battery master switch
☞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 the disks of the pulley
• If the V-belt is damaged:
☞Have the V-belt replaced by authorized personnel
☞Press with your thumb about 100 N to check the deflection of the V-belt between the
crankshaft disk and the fan wheel position C. A new V-belt should have a deflection of
6 to 8 mm, a used V-belt (after about 5 minutes running time) should have a deflection
of 7 to 9 mm.
☞Retighten the V-belt if necessary
☞Close and lock the engine cover
Fig. 26: Checking V-belt tension
1