Piston Cooling Jets; Operation 4-15 To Remove And To Fit - Perkins New 1000 Series Workshop Manual

4
New 1000 Series

Piston cooling jets

To remove and to fit Operation 4-15
To remove
Release the valve assembly and remove the piston cooling jet assembly (A).
Notes:
l The crankshaft is removed in (A) to show clearly the piston cooling jet.
l Engine types AR and AS have a single piston cooling jet, fitted to the number one cylinder position. The
piston cooling jet positions for cylinders 2, 3 and 4 have a blanking plug fitted.
To fit
1 Check that the ball moves freely against spring pressure in the valve assembly and that the jet tube is not
damaged. Renew the valve assembly and/or the body as necessary.
2 Fit the piston cooling jet; ensure that the assembly is fitted correctly on the dowel in the cylinder block.
Tighten the valve assembly to 20 Nm (15 lbf ft) 2,0 kgf m.
1
A
A0089
Workshop Manual, TPD 1350E, Issue 4 91
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