BA 50Z3/6003 en – Edition 4.3 * 5003b520.fm
5-27
Maintenance
Checking the V-belt of the air conditioning system (option)
Caution!
Excessive or insufficient tension of the V-belt can cause damage to the V-belt
or to the compressor of the air conditioning system.
☞
Always ensure that the V-belt has the correct tension
☞
Replace V-belts with damage, cracks, cuts etc.
☞
Avoid contact of oil, grease or similar substances with the V-belt
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 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
1
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 pulley and the crankshaft disc.
A new V-belt should have a deflection of 7 to 9 mm (0.27 to 0.35 in), a used V-belt (after
about 5 minutes running time) should have a deflection of 9 to 11 mm (0.35 to 0.43 in).
☞
Retighten the V-belt if necessary.
☞
Connect the battery or the battery master switch.
☞
Close and lock the engine cover.
Tightening the V-belt of the air conditioning system
☞
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.
☞
Slacken fastening screw
3
of spacer washer
4
.
☞
Press the belt tensioner in the direction of arrow
A
until reaching the correct V-belt ten-
☞
Keep the belt tensioner in this position, and at the same time retighten fastening screw
3
.
☞
Check V-belt tension again and adjust it if necessary.
☞
Connect the battery or the battery master switch.
☞
Close and lock the engine cover.
Fig. 289: Checking the V-belt tension of the air conditioning
About 9 mm (0.35 in)
1
Fig. 290: Retightening the V-belt of the air conditioning sys-
tem
4
A
3
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 ...