Wacker Neuson 901S, Operator'S Manual

Page: 137 / 180

BA 901/1101 en – Edition 2.1 * 91101b520.fm
5-13
Maintenance
Retightening the V-belts
Caution!
Overtightening the V-belts can damage the V-belts, the V-belt guide and the
water pump bearing.
Avoid contact of oil, grease or similar substances with the V-belts.
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Check the V-belt tension – see Checking V-belt tension on page 5-12
Proceed as follows before retightening:
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Stop the engine
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Raise the safety bar
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Remove the key and carry it with you
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Disconnect the battery or the battery master switch
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Let the engine cool down
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Open the engine cover
Alternator
• Retighten as follows:
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Loosen fastening screws 3 and 4 of alternator L
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Adjust alternator L with screw 4 until you reach the correct V-belt tension.
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Firmly tighten fastening screws 3 again
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Check V-belt tension again and adjust it if necessary
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Connect the battery or the battery master switch
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Close the engine cover
Coolant and fuel pump
• Retighten as follows:
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Loosen fastening screws 5 of the adjusting bracket
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Turn fuel pump K toward A until you reach the correct V-belt tension.
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Firmly tighten fastening screws 5 again
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Check V-belt tension again and adjust it if necessary
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Connect the battery or the battery master switch
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Close the engine cover
Fig. 98: Alternator
4
3
L
Fig. 99: Coolant and fuel pump
K
5
A