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Graco EM 390 Instructions-Parts List

Graco EM 390
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~
REMOVING and REPLACING CONNECTING
ROD
and BEARING
(See
Fig
17)
To
reduce the risk
of
serious bodily injury, in-
the skin; injury from moving parts or electric
cluding fluid injection; splashing in the eyas or on
shock, always follow the
Pressure
Relief
Pro
-
cedure
Warning on page
14
before continuing.
Remove the pump as described on page
16.
Remove
screws and lockwashers
(20
and
18).
Remove the bear-
the six screws
(19)
and cover
(351.
Remove the
two
ing
(531
and connecting rod
(54).
sliding the connecting
rod
(54)
off
the crankshaft
(E).
Use
a screwdriver to push the retaining spring
(33)
aside
and remove the pin
(341
from coupling
(36).
Remove the
coupling from the connecting rod.
Pull the connecting rod out of the bearing. Wipe clean
ing and connecting rod link for wear or damage. If either
(don't use solvent) and inspect the surfaces of the bear
-
needs replacing, you should replace both. When install-
ing the rod and bearing, coat the surfaces with
SAE
10
non
-
detergent motor oil.
Clean and inspect the crankshaft
(E).
Wipe clean with
a
rag;
do
not use solvent. If the crankshaft
is
badly worn,
replace the drive assembly
(55)
as
described on page
19.
Clean and inspect the connecting rod needle bearing.
Repack bearing with industrial, heavy-duty, extreme-
pressure, lithium
-
soap grease.
NOTE:
After every
100
hours of operation, or
whenever servicing the pump (whichever
Fig
17
comes first), fill the cavin, in the connecting
oil.
rod
(54)
with
SAE
10
non-detergent Assemble the new rod and bearing, being sure to push
the spring
(331
down in place over the pin
(34)
ends, and
install
in the reverse order of removal.
!
18
307
-
724
I

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Graco EM 390 Specifications

General IconGeneral
BrandGraco
ModelEM 390
CategoryPaint Sprayer
LanguageEnglish

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