Rocker Assembly (Earlier Engines) - Perkins UA Workshop Manual

3
700 Series

Rocker assembly (earlier engines)

To remove and to fit Operation 3-3
Special requirements
Torque Nm (lbf ft) kgf m
Setscrews 9 (7) 0,9 Nuts 22 (16) 2,2
Caution: Before the rocker assembly is fitted, ensure that the oil holes are free of dirt.
Check that the push rods fit correctly in the sockets of the tappets. As the fasteners are gradually tightened,
ensure that the ends of the adjustment screws fit correctly in the socket of the push rods.
To remove
1 Release the eight setscrews for the brackets of the rocker shaft. Release gradually and evenly the outer
nuts and then the inner nuts for the brackets of the rocker shaft.
Note: The rocker assembly contains three plates that include the studs for the rocker cover. The plates must
be fitted to the correct rocker brackets.
2 Remove the nuts and lift off the rocker assembly.
Note: A hardened steel pin is fitted in the lower part of the front bracket. The purpose of this pin, is to ensure
that the bracket is in the correct position on the rocker shaft. The hole in the bracket will align with the oil hole
in the cylinder head and ensure correct lubrication of the rocker assembly. Protect these holes to ensure that
dirt cannot enter.
Continued
38 Workshop Manual, TPD 1392E, issue 3
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