Piston Height - Inspect; Flywheel - Inspect - Perkins 1103D XK Systems Operation Testing And Adjusting

40
Testing and Adjusting Section

Piston Height - Inspect

Table 11
Required Tools
Part
Tool Number
21825617
A Dial Gauge
21825496
B Dial gauge holder
If the height of the piston above the cylinder block
is not within the tolerance that is given in the
Specifications Module, "Piston and Rings", the
bearing for the piston pin must be checked. Refer to
Testing and Adjusting, "Connecting Rod - Inspect".
If any of the following components are replaced or
remachined, the piston height above the cylinder
block must be measured:
•
Crankshaft
•
Cylinder head
•
Connecting rod
•
Bearing for the piston pin
The correct piston height must be maintained in order
to ensure that the engine conforms to the standards
for emissions.
Note: The top of the piston should not be machined.
If the original piston is installed, be sure that the
original piston is assembled to the correct connecting
rod and installed in the original cylinder.
Three grades of length of connecting rods determine
the piston height above the cylinder block. The grade
of length of a connecting rod is identified by a letter or
a color. The letter or the color is marked on the side
of the connecting rod. Refer to Testing and Adjusting,
"Connecting Rod - Inspect" and Specifications,
"Connecting Rod" for additional information.
This document has been printed from SPI². Not for Resale
i02406197
Part Description Qty
1
1
Illustration 30
Typical example
1. Use Tooling (A) and Tooling (B) in order to
measure the piston height above the cylinder
block. Use the cylinder block face to zero Tooling
(A).
2. Rotate the crankshaft until the piston is at the
approximate top center.
3. Position Tooling (B) and Tooling (A) in order to
measure the piston height above the cylinder
block. Slowly rotate the crankshaft in order to
determine when the piston is at the highest
position. Record this dimension. Compare this
dimension with the dimensions that are given in
Specifications, "Piston and Rings".

Flywheel - Inspect

Table 12
Required Tools
Part
Tool Part Description
Number
21825617
A
KENR6912
g01201898
i02875324
Qty
Dial Gauge 1