How to disassemble the Cummins M11 series engine generator drive pulley and drive unit oil seal

① Remove the locating bolts on the pulley, see Figure 2-33. 

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② Use an ST-647 puller and two (5/16-18x2 1/2) bolts to remove the alternator drive pulley, see Figure 2-34. 

 ③ Remove the 5 bolts, pressure ring, oil seal, and gasket, see Figure 2-35.

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 Figure 2-32 Removing the oil filter housing and gasket

 

 

 Figure 2-33 Removing the locating bolts on the alternator pulley

 

  Figure 2-34 Removing the drive pulley with a puller and two bolts

 

 

     Figure 2-35 Removing the bolts, pressure ring, oil seal, and gasket.

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How to check the engine oil in a JCB bucket loader

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1 Make sure the park brake is engaged and the
transmission set to neutral. Lower the loader arms and
backhoe to the ground, switch OFF the engine and
remove the starter key.

2  Open the bonnet, see Engine Panels, Opening and
Closing the Bonnet.

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3 Check that the oil level is between the two marks on
the dipstick A.

4  If necessary, remove the side panel and add oil through
filler B. Make sure that the dipstick and filler cap are
fully inserted and tightened.