Thermo Scientific Sarasota FD900, User Manual

Page: 34 / 94

3-2
User Guide for Sarasota ID900, FD900, & PD900 Gas Density Meters Thermo Fisher Scientific
Chapter 3
Commissioning
Warning
Refer to the warnings at the beginning of this manual.
▲
Warning
Ensure all safety rules that apply to this equipment are followed
and any permits necessary for the work have been issued. Also ensure
obligations under the Health and Safety at Work Act are met.
▲
Warning
Before pressurizing, ensure all safety labels are in place and
securely wire the warning label to the isolation valve handwheel.
▲
Sarasota RTR900
You will need the following equipment when commissioning the Sarasota
RTR900
●
Special C wrench, supplied with Sarasota RTR900
●
Appropriate wrenches to fit seal housing flange nuts
●
Can of light machine oil (Shell Dexron II or equivalent)
●
Tools for removing electrical connections, conduit connections to
the terminal box
Caution
If at any time during insertion or retraction the torque becomes
excessive (refer to graph in Figure 3–1) or exceeds that which can be
applied by one individual turning the handwheel without using a lever to
multiply torque, the line must be depressurized to safely remove the
instrument retractor from the line for inspection.
▲
Initial Operation
1. Unscrew the gland nut and check that packing is fitted. Use the C
wrench provided to tighten the gland nut to 75 Nm (55 lbf.ft).
2. Ensure the seal housing top clamp nut is fullytightened.
3. Carefully open bleed valve with a one-quarter turn, and slightly crack
the main line valve.