Buick LeSabre 1965 Service Manual page 55

ENGINE HEADS AND VALVES 2 - 3 3
Figure 2-29-Tank J-5093 Set Up
for Cleaning Lifter Parts
be given to its effect upon the
hands. The directions and safety
precautions of the manufacturer
should be understood and ob-
served to avoid personal injury.
A wise safety rule is to wear
rubber gloves when handling parts
that are wet with cleaning solvent.
The middle compartment of tank
is for clean kerosene to be used
for cleaning parts after removal
from the cleaning solvent. The
right hand compartment is for
clean kerosene to be used ex-
clusively for final rinsing of parts
just before assembly.
When the cleaning tank is not
being used the cover should be
installed to exclude dirt from the
cleaning fluids. As a further pre-
caution, do not use the tank for
any parts except hydraulic valve
lifters.
To avoid early contamination and
deterioration of the cleaning sol-
vent a separate pan of suitable
size should be provided so that a
tray of lifter parts can be flushed
in kerosene before it is placed
in the solvent.
c. Disassembly and Cleaning
of Lifters
1. Disassemble each valve lifter
by using a push rod to hold down
the push rod seat while removing
the plunger retainer from the
lifter body, using Retainer Re-
mover J-5238. See Figure 2-30,
View A. Remove push rod seat
and plunger from lifter body.
A—REMOVAL
}
-PUSH ROD
. - R E T A I N E D
0
i
B—INSTALLATION
Figure 2-30—Removing and Installing
Plunger Retainer
la. If a plunger sticks in lifter
body place lifter in large end of
Plunger Remover J-4160-A, with
plunger i n w a r d . While holding
lifter with thumb, rap the open
end of remover against a block
of wood with just enough force to
jar the plunger from body. See
Figure 2-30.
2. Drain oil out of body into a
waste can and then remove the
ball, retainer and s p r i n g . A
strainer placed over waste can
will prevent dropping these parts
into can.
3. Place all parts of each lifter
in a separate compartment of a
tray from Cleaning Tank J-5093.
The body and plunger are selec-
tively fitted to each other and
must not be interchanged with
parts of other lifters. Keeping
all parts of the lifter together
until cleaned and inspected will
aid in diagnosing cause of im-
proper operation.
4. Rinse the tray full of lifter
parts in a pan of kerosene to
remove as much oil as possible.
This will reduce contamination
of the cleaning solvent and extend
its effective life.
5. Submerge the tray and parts
in the cleaning solvent in left
hand compartment of Cleaning
Tank J-5093 and leave to soak for
Figure 2-31—Removing Stuck Plunger
with J-4160-A
approximately one hour. The time
required will depend on the var-
nish on lifter parts and the effec-
tiveness of the solvent.
6. After the varnish has dissolved
or has softened sufficiently to
permit removal by wiping, raise
the tray and suspend it above the
solvent by means of the hooks on
tray handles. Allow tray and parts
to drain so that solvent will be
saved.
7. Rinse the tray* of parts in the
pan of kerosene to cut the solvent
and avoid injury to hands, then
place tray on the tank cover lo-
cated on bench in front of cleaning
tank.
8. Working on one lifter at a
time and using CLEAN lint-free
cloths, thoroughly wipe off all
parts. Clean the plunger and the
external and internal surfaces of
the body with a hard wiping action
to remove any varnish deposits.
Rinse the parts in the kerosene
contained in the middle compart -
ment of cleaning tank, u s i n g
Cleaning Brush J-5099 in the bore
of lifter body.
NOTE: To insure absolute clean-
liness of a reconditioned lifter
assembly, it is advisable to in-
spect and assemble each (lifter
subpar. d, e, f) before cleaning
the next lifter.