Disassembly and assembly

Installation Procedure
Table 25
Required Tools
Tool Part Number
Part Description Qty
A
T400159 Valve Guide Driver 1
T400153
Stop Collar
1
B
T400155
Valve Guide Reamer 1
NOTICE
Removal and installation of the valve guide and valve
seat must be carried out by personnel with the correct
training. Also special machinery is required. For more
information, refer to your authorized Perkins dealer.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1. Clean the parent bores in the cylinder head for the
valve guides.
Illustration 147 g03003639
2. Lubricate a new valve guide (2) and place the
valve guide in position. Carefully tap the valve
guide in order to start the installation. Use Tooling
(A) to install the valve guide into the cylinder head.
3. Repeat Step 2 for the remaining valve guides.
Illustration 148 g03005596
4. Check protrusion (X) of valve guides (2). The valve
guides should protrude 8.5 ± 0.15 mm
(0.33465 ± 0.00591 inch) above the valve spring
recess. Refer to Specifications, “Cylinder Head
Valves” for more information.
5. After installation of valve guides (2), the valve
guides must be reamed to the finished diameter.
Follow Steps 5.a through 5.c in order to ream the
valve guides.
a. Lubricate the bores of valve guides (2) with
clean engine oil.
b. Use Tooling (B) in order to ream the valve
guides. Ensure that even pressure is applied to
Tooling (B).
c. Ensure that the cylinder head is clean and free
from machining debris.
6. Check the finished diameter of valve guides (2).
Refer to Specifications, “Cylinder Head - Valves”
for more information.
7. Check the depths of the valves below the face of
the cylinder head. Refer to System Operation,
Testing and Adjusting, “Valve Depth - Inspect” for
more information.
UENR0624-03 87
Disassembly and Assembly Section
This document has been printed from SPI2. NOT FOR RESALE