COMPRESSION
Valves & Guides
NOTE: Apply "LED-PLATE" or Part No. 93963 lubricant
to valve stems and guides before installing. Be sure that
no "LED-PLATE" or Part No. 93963 is on the ends of the
valve stems or tappets.
Fig. 8 - Installing Valves
Valve Guides
Models 5, 6, 8, 6B, 60000, 8B, 80000, 82000, 92000,
94000, 100000, 110000, 130000
If the flat end of valve guide plug gauge 19122 can be
inserted into the valve guide for a distance of 5/16" (7.94
mm), the valve guide is worn and should be rebushed in
the following manner.
Fig. 9.
Fig. 9 - Bushing Valve Guides
Place pilot of counterbore reamer no. 19064 in valve
guide, Fig. 9, Illus. 1. Install pilot bushing 19191 over
counterbore reamer and lower pilot bushing to rest in
valve seat. Hold replacement valve guide bushing 63709
on top of pilot bushing next to reamer. Make a mark on
reamer 1/16" (1.59 mm) above top of replacement
bushing, Fig. 9, Illus. 2.
Ream out valve guide until mark on counterbore reamer
is level with top of pilot, Fig. 9, Illus. 3. (Lubricate reamer
with kerosene or equivalent lubricant.)
Place replacement bushing in reamed-out hole, Fig. 19.
Press replacement bushing down until it is flush with the
top of the hole with valve guide bushing driver 19065,
Fig. 9, Illus. 4.
Finish ream the replacement bushing with a valve guide
bushing finish reamer 19066, Fig. 9, Illus. 5. (Lubricate
reamer with kerosene or equivalent lubricant.)
NOTE: It is usually not necessary to bush factory
installed brass valve guides. However, if bushing is
required, DO NOT REMOVE ORIGINAL BUSHING -
follow standard procedure outlined.
Models 9, 14, 19, 23, 140000, 170000,
190000, 200000, 220000, 230000,
240000, 250000, 300000, 320000
Checking Valve Guide Wear
If the flat end of valve guide plug gauge no. 19151 can
be inserted into the valve guide for a distance of 5/16"
(7.9 mm) the guide is worn and should be rebushed in
the following manner. Fig. 9, Illus. 1.
Removing Valve Guide Bushings Using Kit 19232
(Aluminum Engines)
To remove factory or field installed guide bushings on
aluminum engines, rotate nut no. 19239 up to head of
19238 puller screw. Center washer on valve seat.
(Larger washer may be required on some model intake
seats.) Lubricate cutting surface of screw and inside of
guide bushings with Stanisol or kerosene. Insert screw
19238 thru washer 19240, centering washer on seat.
See Fig. 10. Use 3/4" socket to turn screw clockwise to
a depth of 1/4" (6.5 mm) or until bushing starts to turn -
and -STOP. While holding screw stationary, turn nut
down onto washer until bushing is free.
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