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SECTION 3 - LUBRICATION AND MAINTENANCE
3-15
EVERY 10 HOURS OR DAILY
OPERATION 4
Check the Engine Water Pump Drive Belt
Tension (2360 and 2425 Only)
Use a belt tension gauge to check and/or adjust
belts, or use firm thumb pressure and measure
the deflection method. With firm thumb pressure,
a properly adjusted belt should deflect 0.8 mm
(1/32″) for each 25 mm (1”) of span between
pulleys. If the belt requires adjustment, use the
following procedure:
Loosen the locknut, 1, which secures the idler
pulley to the water pump. Turn the adjusting
screw, 2, to adjust the belt tension. Tighten the
idler pulley locknut. Recheck the belt tension.
Secure the idler pulley in position by tightening
the locknut to 70 N⋅m (50 ft. lbs.). Loosen the
adjusting screw 1/2 turn to prevent breakage.
NOTE: The water pump drive belt is supplied
by Buhler Versatile. Contact your Buhler
Versatile dealer if a new belt is required.
NOTE: Refer to your Cummins Engine
Manual for more information regarding belt
replacement, wear guidelines, and pulley
alignment.
Figure 3-15
1
2