▪ Avoid high levels of heat input to the pump from the process gases, otherwise the
pump may overheat and seize, and cause the motor thermal overload device to
open.
▪ If using the pump in a high ambient temperature with a high gas throughput, the
temperature of the pump body may exceed 70 °C. We recommend the use of
addional guarding to prevent contact with hot surfaces under these condions.
▪ Make sure that the exhaust pipeline cannot become blocked. If an outlet-isolaon
valve is ed, make sure the pump cannot be operated with the valve closed.
▪
Provide for a purge of inert gas when the pumping system is shut down, to dilute
dangerous gases to safe concentraons. A suitable gas-ballast control valve for
introducon of purge gas into the pump is available as an accessory (refer to Gas
ballast valve on page 48).
Contact our applicaon team for further advice on diluon requirements if required.
4.3 Unpack and inspect
1.
Remove all packing materials and protecve covers and check the pump. If the
pump is damaged, nofy the supplier and the carrier in wring within three days;
state the item number of the pump together with the order number and the
supplier's invoice number. Retain all packing materials for inspecon. Do not use
the pump if it is damaged.
2. Check that the package contains the items listed. If any of these items are missing,
nofy the supplier within three days.
If the pump is not to be used immediately, replace the protecve covers. Store the pump
in suitable condions, as described in Storage on page 43.
Table 9
Checklist of items
Quanty Descripon
Check (ü)
1 E1M18 or E2M18 rotary vacuum pump
r
(1) Fing pack containing the following:
1 NW25 centring-ring
r
1 O-ring for centring-ring
r
1 Receptacle connectors*
r
* Various sizes: supplied with single-phase motors except for pumps with Item numbers
A34316903, A34317984, A36317984, A34325984 and A36325984.
4.4 Locate the pump
WARNING:
Aach mechanical liing equipment to the eye on the pump. Failure to do so can
result in injury to people or damage to the pump. Refer to Mechanical data on page
14 for the mass of the pump.
The pump can be either free-standing on its box secon skids, or be xed by bolts
through the four xing holes in the box secon skids, or be used with vibraon isolators.
Page 20
A34310880_T - Installaon