How to Remove & Fit Rear Oil Seal for Perkins 1000 Series Engine

This service bulletin show you guide on how to remove and fit rear oil seal for Perkins 1000 series engine.

 

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Procedures:

1 Release the setscrews which retain the flywheel and remove the flywheel (A3).

2 Release the setscrews (A5) which retain the cover (A4) and remove the cover. Remove the joint (A2) and clean the joint faces of the cover and flywheel housing.

3 Release the setscrews and the cap screws and washers which retain the housing (A11) for the rear oil seals and remove the housing.

4 Clean the joint faces of the seal housing and cylinder block.

5 Clean the crankshaft palm (A8) and check for wear in the seal location areas. If there is wear, a “SpeediSleeve”, part number 21825188, can be fitted.

Note: If a “Speed-Sleeve” is not available the crankshaft palm can be machined to give a minimum diameter of 133,17 mm (5.243 in). Do not machine the last 2,5 mm (0.10 in) of the crankshaft palm as this is necessary for flywheel location.

Caution: A “Speedi-Sleeve” must not be fitted if the crankshaft palm has been machined undersize.

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6 Ensure that the dowels for the oil seal housing are fitted in the cylinder block. Put a new joint (A10) in position on the dowels, no jointing compound is necessary.

7 Put the seal guide, which is used for standard seals, on the crankshaft palm. Lubricate lightly the crankshaft palm, the seal guide and the lip of the seals with clean engine lubricating oil.

8 Put the seal and housing assembly onto the seal guide and carefully push the assembly onto the dowels. Remove the seal guide, fit the setscrews and the cap screws together with their washers.

9 Tighten the setscrews to 22 Nm (16 lbf ft) 2,2 kgf m and the cap screws to 13 Nm (10 lbf ft) 1,3 kgf m.

10 Fit a new O-ring (A6) in its recess in the seal housing and lightly lubricate it with clean engine oil.

11 Apply a suitable jointing compound to one side of a new cover joint to hold the joint in position. Put the joint in position on the flywheel housing. Put the cover into position on the joint and fit the setscrews.

Note: New setscrews have a sealant applied by the manufacturer. If these setscrews are to be used again, the threads of the setscrews and the threads in the flywheel housing must be cleaned. A suitable sealant,for example POWERPART Threadseal,must then be applied to the setscrew threads.

12 Tighten the setscrews to 22 Nm (16 lbf ft) 2,2 kgf m.

13 Ensure that the location faces of the flywheel and crankshaft are clean and free from damage. Fit the flywheel and the setscrews together with their washers. Tighten the setscrews to 105 Nm (77 lbf ft) 10,7 kgf m.

14 If the starter motor is removed from the engine,clean the flange face of the starter motor and the face of the flywheel housing. Apply a 2,0 mm (0.080 in) continuous bead of POWERPART Hylosil to the flange face of the starter motor near to the spigot before the starter motor is fitted.Perkins EST Diagnostic Software

Caution: If the engine is to be operated before oil is added to the flywheel housing, the rear oil seal must not be fitted until after the engine has run.

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