BA 50Z3/6003 en – Edition 4.3 * 5003b520.fm
5-25
Maintenance
5.10 V-belt
Danger!
Only check or retighten/replace the V-belt when the engine is stopped –
Risk of injury.
☞
Stop the engine before performing inspection work in the engine compart-
ment.
☞
Disconnect the battery or actuate the battery master switch.
☞
Let the engine cool down.
Caution!
Cracked and stretched V-belts cause engine damage.
☞
Have the V-belt replaced by an authorized workshop.
Check the V-belt once a day, and retighten it if necessary.
Retighten new V-belts after about 15 minutes of running time.
Checking V-belt tension
☞
Stop the engine.
☞
Raise the control lever base.
☞
Remove the ignition key and carry it with you.
☞
Disconnect the battery or actuate the battery master switch.
☞
Let the engine cool down.
☞
Open the engine cover.
☞
Carefully check V-belt
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for damage, cracks or cuts.
➥
If the V-belt is damaged:
☞
Have the V-belt replaced by authorized personnel.
➥
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).
☞
Retighten the V-belt if necessary.
☞
Close and lock the engine cover.
Fig. 287: Checking V-belt tension
About 8 mm (0.31 in)
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Summary of Contents for 50Z3
Page 35: ...BA 50Z3 6003 en Edition 4 3 5003b110 fm 1 23 Introduction Overview of safety labels ...
Page 56: ...2 16 BA 50Z3 6003 en Edition 4 3 5003b210 fm Safety instructions ...
Page 178: ...3 122 BA 50Z3 6003 en Edition 4 3 5003b340 fm Operation ...
Page 190: ...4 12 BA 50Z3 6003 en Edition 4 3 5003b410 fm Troubleshooting ...
Page 254: ...5 64 BA 50Z3 6003 en Edition 4 3 5003b560 fm ...
Page 265: ...BA 50Z3 6003 en Edition 4 3 5003b610 fm 6 11 Specifications 6 16 Dimensions model 50Z3 ...
Page 267: ...BA 50Z3 6003 en Edition 4 3 5003b610 fm 6 13 Specifications 6 17 Dimensions model 50Z3 VDS ...