Hudson 1948 - 1952, Service Manual

Page: 83 / 333

Valve guides can be removed upward through the valve
seat opening with a suitable puller.
Valve guides can be properly Installed with the J-883-A
Valve Guide Installer. The Installer consists of the driver
handle, stop collar, and two pilots calibrated to insure that
the guides are driven to the proper depth. On 8 cylinder
engines the top of the valve guide should be 15/16" below
the top face of the block for both intake and exhaust. See
Figure 46.
FIGURE 46
FIGURE 47
FIGURE 47
For 6 cylinder engines use the Valve Guide Installer
Handle part of J-883-A, the J - 8 8 3- 7 Pilot Block, J-883-8
and J-883-9 Valve Guide Installer Pilots, Figure 47, page
3-41 to Install the valve guides.
The Installer pilots are fitted with collars to control the
height of the valve guides when Installing the exhaust guide
should be 1-3/32" and the intake guide 1-7/16" from the
top of the guide to the top face of the block, Figure 48.
FIGURE 48
To remove the varnish and carbon deposits found in valve
guide bores use KMO-122 METAL BRUSH for cleaning
th.3. main bore of valve guides. To facilitate removal of
stubborn varnish deposits, use lac-thinner and the KMO-
122 Metal Brush.
NOTE: Always place clean rags below the valve guides
to absorb any surplus draining of the thinner.
CHECKING VALVE SPRINGS
Whenever valve springs are removed, check spring
pressures before Installing.
6 Cylinder 77 lbs. at 2-3/16"
8 Cylinder 40 lbs. at 2"
Use KMO-607 Spring Tester.
ENGINE 3 - 41