Maintenance
E:\shares\Baprod\BA\subtec_m\sewage\us\fkt27\maintenance.fm 7-3
Maintenance intervals
Overview of the maintenance intervals needed:
Before initial start-up or after
a longer period of storage
- Checking the insulation resistance
- Fill level check in cooling system - fill level must be between the minimum and the maximum
marks on the cooling jacket
- Fill level check in sealing chamber – lubricant must reach up to the lower edge of the filling
opening
Monthly
- Monitoring the current consumption and voltage
- Checking the used relays for posistors, sealing room monitor, etc.
Every six months
- Visual inspection of the power supply cable
- Visual inspection of the cable holder and the cable bracing
- Visual inspection of accessories, e.g. the suspension device and hoisting gears
8,000 operating hours or after
two years
- Checking the insulation resistance
Company BP
LEU Energie
GmbH & Co. KG
Prokühlsol
GmbH
Fauth & Co. KG
Basis
Monopropylene
glycol
Propane-1,2-
diol
Propane-1,2-
diol
Propane-1,2-diol
Color None None Light yellow None
Purity 80% - 94.99% 96% - 98%
Density 1.056 g/ml 1.051 g/ml 1.050 g/cm
3
1.051 g/ml
Boiling point 140 °C 164 °C 185 °C 188 °C
pH value 7.9 9.9 7.5 - 9.5 -
Water 3% - 9.99% Max. 5%. - 0,20%
Nitrite None None None None
Amine - None None None
Phosphate - None None None
Silicate - None None None
Water hazard
class
1 1 1 1
FDA approval - Yes - -
HT1 approval - Yes - -
Afssa approval - Yes - -
Remarks - - - For medical use
Status
Production
stopped
Product used Possible alternatives
Table 7-2: Technical Data – Glycol Overview
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