7
I.1.1 SEAL REMOVAL
Step 1.
Re-install the centering clips finger tight, ensuring the clip is toward the cartridge gland.
Step 2.
Loosen the gland bolts (5).
Step 3.
Tighten centering clip cap screws 1/8 turn (roughly 20 in-lbs. (2.26 Nm)).
Step 4
Loosen all set screws in the locking ring.
Note:
If you are troubleshooting an improperly centered gland, proceed to Seal
Installation (Section I.1.2), Step 5. Otherwise, disregard this note.
Step 5
.
Remove gland bolts (5) and washer (98).
Step 6
Grasp cartridge gland and slide mechanical seal cartridge assembly from power rotor (13)
shaft. Remove gland gasket from gland face.
I.1.2 SEAL INSTALLATION
Note: Mechanical seal elastomers are Kalrez. Lubricate the mechanical seal elastomers prior
to installation with a clean silicone based lubricant that is process compatible.
CAUTION
When installing/repositioning the seal make sure the centering clips and socket head cap
screws are engaged. If for any reason centering clips are loosened prior to installation,
tighten cap screw finger tight then turn cap screw 1/8 turn (roughly 20 in-lbs. (2.26 Nm)).
Step 1.
Assure that all components are free of nicks and burrs.
Step 2.
Install gland gasket to gland face.
Step 3.
Make sure all screws are engaged in the lock ring but do not protrude into the ID
bore.
Step 4.
Install pipe plugs (100) in the quenching ports.
Step 5.
Slide the completely assembled Chesterton 180 mechanical seal onto the shaft by
pushing on the lock ring.
Step 6.
Install washers (98) and gland bolts (5). Tighten the gland bolts (5) evenly to 15 + 2
ft-lbs. (20.3 + 2.7 Nm).
Step 7.
Place power rotor (13) in the middle of its .015 to .020 inch total axial movement.
IMPORTANT: All dog point set screws must be tightened FIRST.
Step 8.
Evenly hand tighten dog point set screws. Evenly hand tighten cup point set screws.
Step 9.
Retighten the six set screws (dog point first) to 55 + 5 in-lbs. (6.2 + .56 Nm).
Step10.
Loosen cap screws holding centering clips in place. Remove centering clips and store
away for later use.
Summary of Contents for IMO C324AXFX-12005
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