7 Servicing/Maintenance
86 of 124
Amarex KRT
7.5.4 Leak testing
After reassembly, always test the mechanical seal area (oil chamber or cooling
system) and the motor for leakage.
7.5.4.1 Testing the mechanical seal area for leakage
Observe the following values for leak testing:
▪ Test medium: compressed air
▪ Test pressure: 15.4psi [1.0bar]
▪ Test duration: 5minutes
▪ Opening:
Pump sets with cooling
system (installation types
D, K): coolant filler opening
or drain
Always apply a liquid sealing agent (e.g. Hylomar SQ32M) to sealing
surfaces marked with this symbol.
Pump sets without cooling
system (installation type S):
lubricant filler opening or
drain