Emerson BETTIS 23 SH - Section 2: Operating Instructions; Operating Instructions

Installation, Operation and Maintenance Manual
DOC.IOM.RG.US Rev. 11 November 2021
3
Section 2: Operating Instructions
Operating Instructions
Section 2: Operating Instructions
Refer to specic schematic drawing and list of components at the end of this document and
"Operating Procedure" diagram which is located inside the control package cover on the unit.
NOTE:
Operating procedures for equipment with automatic switching capability vary with particular
applications. Refer to Owners Procedures for operators with automatic or remote switching devices.
NOTE:
The two gas switching relays used for local manual operation are located on the control plate lter
manifold assembly inside the control cover. The hand pump is located below the control box.
!
CAUTION
This equipment exhausts gas as part of its operating cycle. Wear hand, ear and eye protection, and
keep sparking devices and open ames away.
1. WITH POWER GAS or auxiliary nitrogen bottle present, appropriate shut off valves open,
and both selector knobs located on the handpump pulled out into the auto position.
a. To close the line valve, press and hold the left side closing handle on the gas
switching relay. Release handle after the line valve is closed.
b. To open the line valve, press and hold the right side opening handle on the gas
switching relay. Release the handle after the line valve is open.
2. WITHOUT POWER GAS, and supply shut off valve closed.
Refer to Shafer Manual Handpump IOM (Document Number: MHP-01102001).
a. To close the operator using the handpump, push the left side selector knob in
and start pumping the operator closed. Upon completion of the stroke, pull the
selector knob out and press the small manual relief valve to retract the handpump
upper ram back into the pump body.
b. To open the operator using the handpump, push the right side selector knob in
and start pumping the operator open. Upon completion of the stroke, pull the
selector knob out and press the small manual relief valve to retract the handpump
upper ram back into the pump body.
3. TO DISARM OPERATOR, shut off the supply valve and press either handle on the gas
switching relays approximately halfway to vent power gas.
NOTE:
Read this document thoroughly to understand the general arrangement and functioning, and to be
able to proceed safely and efciently using the necessary tools and equipment required.