7 Servicing/Maintenance
46 of 84
Amarex N
2563.84/08-EN
7.2.2.1.2 Lubricant quality
DANGER
Wrong quality of lubricating liquid
Explosion hazard!
▷
Always use a lubricating liquid whose ignition temperature is higher than
185 °C for explosion-proof pump sets.
The lubricant reservoir is filled at the factory with environmentally friendly, non-toxic
lubricant of medicinal quality (unless otherwise specified by the customer).
The following lubricants can be used to lubricate the mechanical seals:
Table 19:
Oil quality
Description
Properties
Paraffin oil or white oil
Alternative: motor oil
grades SAE 10W to SAE
20W
Kinematic viscosity at 40 °C
<20 mm²/s
Ignition temperature
>185 °C
Flash point (to Cleveland)
+160 °C
Solidification point (pour point)
-15 °C
Recommended oil types:
▪
Merkur WOP 40 PB, made by SASOL
▪
Merkur white oil Pharma 40, made by DEA
▪
Thin-bodied paraffin oil No. 7174, made by Merck
▪
Thin-bodied paraffin oil, type Clarex OM, made by HAFA
▪
Equivalent brands of medical quality, non-toxic
▪
Water-glycol mixture
WARNING
Lubricant contaminating fluid handled
Hazard to persons and the environment!
▷
Using machine oil is only permitted if the oil is disposed of properly.
7.2.2.1.3 Lubricant quantity
Table 20:
Lubricant quantity depending on the motor
Motor version
Lubricant quantity
[l]
YL & WL
0,74
UL
0,25
7.2.2.1.4 Changing the lubricant
Changing the lubricating liquid on versions YL & WL
WARNING
Lubricants posing a health hazard and/or hot lubricants
Hazard to persons and the environment!
▷
When draining the lubricant take appropriate measures to protect persons and
the environment.
▷
Wear safety clothing and a protective mask if required.
▷
Collect and dispose of any lubricants.
▷
Observe all legal regulations on the disposal of fluids posing a health hazard.
Summary of Contents for Amarex N series
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