Basic Engine; Position The Valve Mechanism Before Maintenance Procedures; Piston Ring Groove - Inspect - Perkins 1204F-E44TA Systems Operation Testing And Adjusting

114

Basic Engine

Basic Engine
Position the Valve Mechanism
Before Maintenance
Procedures
Ensure that this procedure is carried out before
the rocker shaft is removed.
Table 11
Tool Part Number
A (1)
21825576
27610291
A (2)
27610289
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.
Illustration 106
Cylinder and valve location
(A) Exhaust valve
(B) Inlet valve
1. Remove the valve mechanism cover. Refer to
Disassembly and Assembly, "Valve Mechanism
Cover - Remove and Install" for the correct
procedure.
This document has been printed from SPI2. NOT FOR RESALE
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NOTICE
Required Tools
Part Description
Crankshaft Turning Tool
Barring Device Housing
Gear
g01335181
Qty
Illustration 107
Typical example
1
One electronic unit injector is not shown for clarity.
1
1
2. Select an exhaust rocker arm (1). The exhaust
rocker arm (1) can be on any cylinder.
3. Use Tooling (A) to rotate the crankshaft in the
normal direction of rotation until the hydraulic lifter
starts to open the exhaust valve. Continue to
rotate the crankshaft until the valve has opened to
the maximum extent. This is the safe position.
Note: Make temporary marks on the front pulley and
the front housing once the engine is in the safe
position.
Ensure that the crankshaft is located in the safe
position before the rocker shaft assembly is
installed.

Piston Ring Groove - Inspect

Inspect the Piston and the Piston
Rings
1. Check the piston for wear and other damage.
2. Check that the piston rings are free to move in the
grooves and that the rings are not broken.
UENR4490-01
g02333215
NOTICE
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