Tweco 9-9488 User Manual
Page 3

Manual 0-4951
3
CAUTION
Use only Victor Thermal Dynamics No. 9-4893
O-Ring Lubricant (Christo Lube MCG-129) with
this torch part. Use of other lubricants may cause
irreparable damage to the torch.
4. Lubricate each of the O-Rings with a thin film of
the lubricant provided with this kit. See previous
Caution.
a. Place a small amount of lubricant on your
index finger.
b. Rub the lubricant between your thumb and
index fingers until it becomes clear.
c. Apply this lubricant to the O-Ring by rolling
it between your thumb and index fingers.
d. Repeat this process until the entire O-Ring is
coated in a thin film of lubricant.
5. Place the Baffle O-Ring inside the Baffle. Place
each of the O-Rings in the proper groove on the
Cartridge. See Previous Illustration.
6. Secure the locking ring in place by reversing step
2 above. Take extra care to insure the snap-ring
is properly seated and the locking ring is secure
and rotates freely. There should be a gap of 1/8”
or less between the ends of the snap-ring.
Use the following Cartridge O-Ring scale to verify proper
size.
9-3030
9-3029
9-3028
CARTRIDGE O-RINGS
Art # A-07636_AB
1 inch
Scale
7. Reinstall the Shield Cup Assembly (including
the cartridge assembly and consumables) on the
torch.
8. Reconnect the gas supply. Adjust gas pressure as
needed. Test the system for proper operation.