
Maintenance – Basic Machine
372
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Note
Check the V-belt tension and condition of all belt drives after the first 10
hours of operation and thereafter every 200 operating hours.
• Replace damaged or worn V-belts.
Prerequisite:
• Lower the mowing unit into working position
• Switching off the engine
• Remove the ignition key
• Secure the machine against rolling (parking brake, wheel chocks)
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15.13.1 Fan wheel drive
Fig. 322:
Check belt tension
Length of spring under tension a = approx. 200 mm
Correcting the belt tension:
• Increase or reduce the spring tension of the tension spring (2) until distance a = approx.
200 mm is set.
To replace belt (1):
• Relieve the spring (2) in the tension roller (3).
• Remove belt (1).
• The belt pulley (4) must be exactly aligned.
• If necessary, adjust the belt pulleys (4) with the screws (5).
• Set a new belt in place and tension the spring in the tension roller a = 200 mm
Note
Make sure the fan blade is in a central position in the radiator cover.
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