D6assembly
and
Reassembly
(Rev.
7. 12l01)
2. Use a torch to carefully heat the compressorbody in the
arcr .round the scal end bcanng. When it fccls hot to
the tonch.
position
the compressor body
with
seal end
do$,n
rnd suppon it to
allow
clcar.nce for
the dnve end
of the crnnkshafl.
3- Placc the crankshaft in thc coDpressor
body and lap the
crankshcft
lightly
lill
it
comes
in
conlacl
with
the shoul-
der in
(he
compressor body.
4. Apply refrig€ranr oil to the oil
pump
housing
gasker
nnd
place
it on the compressor body. Align rhc oil holes
in oilpunrp housing gasket with
oil hol€s
in
conrpressor
body.
5. Phcc thc oil
punip
housing in posilion and tap it lightly
lill ir contacts thc compr€ssor body.
6. Place lwo l/8- I 6 X |
-
l/,1 in. bohs nnd two 3/8 in. wash-
crs in mounting holcs on oppositc sidcs ofthc
oil
pump
housing. Snug lhe bolls down and tum the cmnkshaft to
nrake sure it rotn(es fieely. Lenve these bolts in
plrce
to
chcck the end
play.
Aficrchccking
thc cnd
play
r€move
thesc bolls 10 install the oil
punrp.
7. IJse r dial indicdor to chcck cnd play of crantshaft.
If
fic cnd
plny
excceds O.O.l7 in.
(1.19
mm),
rcfer to
''Crrnkshaft
End Play" bcbw.
Crankshaft End Play
Crankshaft end
plny
on a waIln compressor cnn be
rs
much
rs 0.0,17 in-
(
L 19 nm)
as
mcasur€d with
a dial indicator. As
much
as 0.007 to 0.011 in.
(0.18
to 0.13 mm) of this end
play
can be attributed to.he accumulated intemlll clurtnces
in rhe crankshafi main beirings. The balance of thc cnd play
is the result ofthe crankshaft main bellriog outer mces mo!
ing in the bores in $e compressor body
and oil
purnp
hour,
'ns.
NoTE:
CrcnkshaIt end
play
oI up to 0.U7 in.
(1.19
nn)
has not been
shovn
to be a
factor
in scal leaks i testing
conducted by Thcrmo King.
On conprcssors wher€ the
crankshaft
end plny
(or
axial
clearance)
is
considered to be excessive. the outer
race
of
the main bearing on the seal end €an be fixed rn the conl-
pressor
body by using Loctile RC/610 Reraining Com-
pound.
Ne!eruse Loctite on bolh crnntshatl main beanngs.
Using Loclile RD/620
l. Reft)ve fic
crankshnfi
from the compnssorbody.
2. Clenn fic outer racc
of the
scal end main
bearing and
the bore in the compressorbody with a chlorinared sol-
lenl lo remove all oils.
3. Apply .r rhin co.rting of tnctite RC/620 ro both rhc
ouler ntce of thc bearing and the bor€ in
(he
compressor
body.
4. Senl lhe cr.rnkshaft assembly fully ihto the borc on thc
s€al end ot coniprcssor body. Bc sure the crnnkshrft
rsscmbly in s€a1cd
as far as
possibl€ into
lhc corrpres
5. Place thc oil
pump
hous'ng in
posilion
and tap it lightly
rill it contacts thc compressorbodl
6.
Place
two l/8'l 6 X |
-ll4
in. bolts and two 3/8 in.
wash-
cB in mounring holes on opposite sides olthe oil
pump
housing rnd snug the boks down.
7.
Allow 15 minures for the Loctire to fix the
pans.
Full
cure ol the Lodire requi.es 12 hours l)l mom tempcrr-
turc
or:10 ninutes
at 250 F(lll C).
CAUTION: Do not use an excessire amount of
Loctite.
Use care in application and assemblr to
prevent
contumination oI the bearing or internal
areo oI the conprcssor or rcfngemtion slsten fith
35
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