7.17 Raw Water Pump with Connections
7.17.1 Raw water pump – Priming
Preconditions
☑Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Sealing ring
(→ Spare Parts Catalog)
Raw water pump – Priming
Note: To prevent the raw water pump from run-
ning dry and being damaged and to ensure
proper intake performance, the pump must
be filled with 3 to 4 liters of water in the
following cases:
• Before initial operation.
• Following repair /maintenance work or
pump exchange
• After extended out-of-service period (to
compensate for evaporation loss or wa-
ter drained off from the system during
winter lay-up periods).
1. Remove plug screw (1) on raw water elbow
(3).
2. Fill 3 to 4 liters of water into the system
through the opening.
3. Install plug screw (1) with new sealing
ring (2) and tighten.
206 | Task Description | MW15406/17E 2014-05
TIM-ID: 0000041580 - 001
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