O-Ring Fittings - Quincy Compressor QSI Series Instruction Manual

1) CHECK SEALING SURFACES
CHECK SEALING SURFACE
AND GROOVE FOR DAMAGE
OR MATERIAL BUILDUP.
2) INSTALL O-RING
CORRECTLY SIZED O-RING
IS 0.070" THICK AND ITS O.D.
TOUCHES THE OUTSIDE
EDGE OF THE GROOVE.
LOCKNUT
BACKUP WASHER
O-RING
2) BACK OFF NUT
BACK OFF LOCKNUT
TO ITS UPPERMOST
POSITION
DASH SIZE 4
FACE SEAL 220
END (+/-) 10
ASSEMBLING THE FACE SEAL END
ASSEMBLING ADJUSTABLE END TO PORT
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
3) THREAD INTO PORT
THREAD FITTING INTO
THE PORT UNTIL THE
BACKUP WASHER
CONTACTS THE SURFACE
ASSEMBLING NON-ADJUSTABLE PORT END
• INSPECT SEALING SURFACES FOR DAMAGE
• INSTALL O-RING
• THREAD FITTING INTO PORT AND WRENCH TIGHTEN
SEAL-LOK ASSEMBLY TORQUES (IN LBS)
6 8
320 480
(+/-) 25 (+/-) 25
Quincy Compressor-QSI
3) POSITION TO FITTING
ENSURE THAT O-RING IS PROPERLY
SEATED IN THE GROOVE.
POSITION AND HOLD FLAT SEALING
FACE AGAINST O-RING.
4) THREAD ON NUT BY HAND &
5) WRENCH TIGHTEN
IF PROPERLY ALIGNED, THE NUT
SHOULD THREAD ON EASILY BY HAND.
WRENCH TIGHTEN TO RECOMMENDED
TORQUE FOR FACE SEAL END.
4) BACK OFF FOR ALIGNMENT
POSITION FITTING FOR
ATTACHING LINE BY
UNTHREADING UP TO 360°
10 12
750 1080
(+/-) 35 (+/-) 45 (+/-) 90
®
Section VI - Servicing
5) WRENCH TIGHTEN
WRENCH TIGHTEN
LOCKNUT
16 20
1440 1680 1980
(+/-) 90 (+/-) 100
24
25