Maintenance and Repair
MagnaTran 7.1 User’s Manual
O-Ring Removal/Replacement/Cleaning
MN-003-1600-00
Brooks Automation
9-18
Revision 2.2
Replacement/Cleaning Procedure
1.
Clean the o-ring seal surface and the o-ring groove with isopropyl alcohol,
refer to
Robot Cleaning Procedure on page 9-13
2.
Clean the o-ring with DI water prior to installation in the system.
CAUTION
Clean the o-ring by wiping down with DI water only. Do not use
alcohol or other solvents as they may cause the o-ring to become brit-
tle.
3.
Lightly lubricate the o-ring using Krytox LVP grease (there should be no
“lumps” of grease on the o-ring).
4.
Install the o-ring in the groove provided. The o-ring groove is a dove-tail slot
with the narrow portion of the slot at the top. The o-ring has to be compressed
in order for it to be placed into the groove.
NOTE:
Do not allow the o-ring to twist during installation.
The easiest method for placing the o-ring in the groove is:
1.
Insert a small portion of the O-ring into the groove at opposite ends of
the ring.
2.
Insert a small portion of the o-ring into the groove at 90° from the points
above.
3.
Press the o-ring into the groove evenly in each 90° segment. Do not
stretch the o-ring to prevent excessive looping as the balance of the o-