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11-27 ENGINE ROCKER ARM AND CAMSHAFT MD998442 MD998441 diesel oil 6EN1700 MD998441 MD998442 diesel oil 6EN1701 MD998441 MD998442 6EN1700 MD998441 6EN1701 diesel oil (3) Mount the special tool MD998441 onto the hydraulic lifter. (4) Use the special tool MD998442 to lightly expel the steel ball inside the lifter and make it move 5-10 strokes until it can move smoothly. Additionally, it can also eliminate resistance of the plunger. Such operation can remove dirty oil. NOTES: Since the steel ball spring is extremely soft, so do not overexert while impelling steel ball with air leak wire lest the hydraulic lifter is damaged. If the plunger can t move smoothly or mechanical devices seem abnormal, replace the hydraulic lifter. (5) Take the hydraulic lifter out of the vessel, then lightly expel the steel ball and move the plunger, remove diesel oil away from pressure chamber. (6) Mount the special tool MD998441 onto the hydraulic lifter. (7) Put the hydraulic lifter into vessel B, then use the special tool MD998442 to lightly expel the steel ball inside the lifter and make it move 5-10 strokes until it can move smoothly. Such operation can clean the pressure chamber of hydraulic lifter. NOTES: Since the steel ball spring is extremely soft, so do not overexert while impelling steel ball with air leak wire lest the hydraulic lifter is damaged. (8) Take the hydraulic lifter out of the vessel, then lightly expel the steel ball and move the plunger, remove oil away from pressure chamber. |