5-12
BA 901/1101 en – Edition 2.1 * 91101b520.fm
Maintenance
5.6
V-belts
Danger!
Only check or retighten/replace the V-belts when the engine is stopped –
Injury hazard!
☞
Stop the engine before performing inspection work in the engine compartment!
☞
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-belts replaced by an authorized service center!
Check the V-belts once a day or every 10 operating hours, and retighten if necessary.
Retighten new V-belts after about 15 minutes of running time.
Checking V-belt tension
• Check as follows:
☞
Stop the engine
☞
Raise the safety bar
☞
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-belts
1
for damage, cracks or cuts
☞
Replace the V-belt if it touches the base of the V-belt groove or the discs 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 disc and the fan wheel. 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 (see
2
).
☞
Retighten the V-belt if necessary
Fig. 97: Checking V-belt tension
About 8 mm
2
1
Summary of Contents for 901S
Page 10: ...I 8 BA 901 1101 en Edition 2 1 Ba91101en2_1SIX fm Index...
Page 34: ...1 24 BA 901 1101 en Edition 2 1 91101b110 fm Introduction...
Page 46: ...2 12 BA 901 1101 en Edition 2 1 91101b210 fm Safety instructions...
Page 50: ...3 4 BA 901 1101 en Edition 2 1 91101b320 fm Operation 3 3 Instrument panel overview...
Page 122: ...3 76 BA 901 1101 en Edition 2 1 91101b340 fm Operation...
Page 166: ...5 42 BA 901 1101 en Edition 2 1 91101b560 fm Maintenance Maintenance plan model 1101...