Perkins 1106C Series, Disassembly And Assembly, Page: 149 / 192

KENR6932 149
Disassembly and Assembly Section
Note: If the connecting rod or the bush for the piston
pin are replaced, fi rst identify the height grade of the
connecting rod. Refer to Speci fi cations, “Connecting
Rods”.
7. Repeat Steps 1 through 6 in order to disassemble
the remaining pistons and connecting rods.
i02654529
Pistons and Connecting Rods
- Assemble
Assembly Procedure
Table 70
Required Tools
Tool
Part
Number
Part Description Qty
A
-
Circlip Pliers 1
B
-
Piston Ring Expander 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1. Ensure that all components are clean and free
from wear or damage. If necessary, replace any
components that are worn or damaged.
2. If the original piston is assembled, follow Steps
2.a through 2.e in order to install the piston rings.
a. Position the spring for oil control ring (3) into
the oil ring groove in piston (4). The central wire
must be located inside the end of the spring.
g01341312
Illustration 300
b. Use Tooling (B) to install oil control ring (3) over
the spring.
Note: Ensure that the central wire is 180 degrees
from the ring gap.
c. Use Tooling (B) to install intermediate
compression ring (2) into the second groove in
piston (4). The word “TOP” must be upward.
The chamfer on the inner face must be
downward.
d. Use Tooling (B) to install top compression ring
(1) into the top groove in piston (4). The word
“TOP” must be upward.
e. Position the piston ring gaps at 120 degrees
away from each other.
Note: A new piston assembly is supplied with new
piston rings.
NOTICE
Removal of the piston pin bushing in the connecting
rod must be carried out by personnel with the correct
training. Also special machinery is required. For more
information refer to your authorized Perkins dealer or
your Perkins distributor.
3. If connecting rod assembly (6), (8), (11) and (12)
or the bush for piston pin (8) is replaced, ensure
that the height grade of the connecting rod is
correct. Refer to Speci fi cations, “Connecting
Rods” for further information.
g01341306
Illustration 301