Quincy QGV Series, Instruction Manual

Page: 43 / 90

Section V - Servicing
ASSEMBLING THE FACE SEAL END
2) INSTALL O-RING
3) POSITION TO FITTING 1) CHECK SEALING SURFACES
4) THREAD NUT ON BY HAND &
5) WRENCH TIGHTEN
ASSEMBLING ADJUSTABLE END TO PORT
CORRECTLY SIZED O-RING
IS 0.070” THICK AND ITS O.D.
TOUCHES THE OUTSIDE
EDGE OF THE GROOVE.
ASSEMBLING NON-ADJUSTABLE PORT END
2) BACK OFF NUT
BACK OFF LOCKNUT
TO ITS UPPERMOST
POSITION
3) THREAD INTO PORT
THREAD FITTING INTO
THE PORT UNTIL THE
BACKUP WASHER
CONTACTS THE SURFACE
4) BACK OFF FOR ALIGNMENT
POSITION FITTING FOR
ATTACHING LINE BY
UNTHREADING UP TO 360°
5) WRENCH TIGHTEN
WRENCH TIGHTEN
LOCKNUT
1) CHECK SEALING SURFACES & INSTALL O-RING
• INSPECT FITTING FOR DAMAGE
• USE O-RING INSTALLATION TOOL TO INSTALL O-RING
• APPLY SMALL AMOUNT OF LUBRICANT TO O-RING
LOCKNUT
BACKUP WASHER
O-RING
• INSPECT SEALING SURFACES FOR DAMAGE
• INSTALL O-RING
• THREAD FITTING INTO PORT AND WRENCH TIGHTEN
CHECK SEALING SURFACE
AND GROOVE FOR DAMAGE
OR MATERIAL BUILDUP.
ENSURE THAT O-RING IS PROPERLY
SEATED IN THE GROOVE.
POSITION AND HOLD FLAT SEALING
FACE AGAINST O-RING.
IF PROPERLY ALIGNED, THE NUT
SHOULD THREAD ON EASILY BY HAND.
WRENCH TIGHTEN TO RECOMMENDED
TORQUE FOR FACE SEAL END.
s
eal
-l
ok
a
ssembly
t
orques
(
in
/
lbs
.)
d
ash
s
ize
4 6 8 0 2 6 20 24
f
ace
s
eal
e
nd
220±0 320±25 480±25 750±35 080±45 440±90 680±90 980±00
Quincy Compressor-QGV Series
37