Nor-Cal RS Series Differentially Pumped Rotary Platforms - Manual (Page 6)

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BAKEOUT
Bakeout in normal fashion, but NEVER exceed 150 degrees C stage temperature during bakeout. Higher temperatures will damage the seals.
Monitor seal temperature during bakeout.
NEVER ROTATE THE SEAL DURING BAKEOUT OR WHEN IT IS ABOVE AMBIENT TEMPERATURE.
ALWAYS PUMP THE RNN THROUGH THE PORTS DURING BAKEOUT. NEVER ALLOW THE PORTS TO REMAIN UNCOVERED, PARTICULATE CONTAMINATION
MAY OCCUR, CAUSING SEAL FAILURE.
************** WARNING *************
The lubricant in this unit has been tested to 230° C. We recommend limiting the temperature of the lubricant to 200° C or less. (Remember, the RS is limited to
150° C)
The manufacturer warning states “....avoid inhalation of decomposition products formed above 300° C.” We believe this material may give off toxic
gasses at elevated temperatures. NEVER run uncontrolled bake-outs
All motors and limit switches/ position indicators must be removed during bakeout.
MAINTENANCE
No regular maintenance involving dis-assembly is required for normal operation. Occasional lubrication of the fine adjust/motor drive gear,
worm and bearings/bushings is required, depending on operational environment.
The platform main bearings are hardened carbon steel, and susceptible to corrosion. Cleaning and re-lubrication may be required from time
to time, depending on operational environment
Service requiring dis-assembly is needed if:
a: reduced sealing performance is observed
b: greater torque is required for operation
c: the unit has been exposed to high humidity or cryogenic chilling (condensing) environment
Seal wear is not normally a problem when used as designed as a positioning device. High use or continuous operation will reduce service
life of the seals.
We recommend the RS series be returned to the factory for service involving disassembly. The main reason for this policy is the sensitivity of
RS units to contamination and mechanical damage of interior components and surfaces.
These units can be successfully serviced in the field, if a clean work environment is available and adequate skill and care are used. The
equipment warranty does not cover units which, in the sole judgment of Nor-Cal Products, may have been damaged during
attempted customer repair.