SDEC D Series - Maintenance Content Every 80,000 Km, 2000 Hours or 2 Years

Operation and Maintenance Manual SC9DF Electronically Controlled Diesel Engine for Agricultural Equipment
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4.6.1 Check belt tension
Measure the deflection of the belt at its maximum span. The
maximum deflection shall not more than 9.-12.7mm.
It's also allowed to measure the tensile force at the maximum span
of the belt if an instrument for measuring the belt tensile force can
be available; the limit of the tensile force is 360-480N.
4.6.2 Check tension bearing
Check whether the drive belt has been damaged, rotate the
tensioner pulley bearing to see whether there exists any
abnormality, and check whether the tensioner pulley bolts are
loose. Retighten them to 45 N·m when needed.
△Caution: The tensioner pulley shall be rotated freely
without any resistance or excessive radial/axial movement.
4.6.3 Check fan bearing
Rotate the fan to check whether the shaft bearing works
normally.
△Caution: The fan shall be free of vibration and without
excessive axle movement.
4.7 Maintenance content every 80,000 km, 2000 hours or 2 years
The following maintenance items shall be completed in addition to daily maintenance and the previous periodical
maintenance items:
 Clean cooling system and replace coolant;
 Check vibration damper;
 Check air compressor.