Operation &
Maintenance Manual
Pump
RW
20/32
Edition 4
HSC
08-W36
782-001-GB
7.6
Oil change
Collection, storage and removal of the
oil should be done according to the
regulations of the local authorities.
When necessary replace the sealing rings.
Always use the right kind of oil !
(see chapter 7.3).
7.6.1 RW 20
Put the pump in a horizontal position so that one of oil
plugs is at the bottom ( fig.7.7 position B).
Remove the vent plug (2).
Put a receiving bin underneath the drain plug (1).
Remove the plug and drain the oil.
Rotate the pump so that the 2 openings are on top
(fig.7.7 position C).
Refill the oilhousing.
The oil level should be at the lower side of the openings.
(fig.7.7 position A).
Replace the plugs.
7.6.2 RW 40
Put the pump in a horizontal position so that the drain
plug (3) is at the bottom (Fig.7.8 position A).
Remove the vent plugs (1) and (2).
Put a receiving bin underneath the drain plug.
Remove the plug and drain the oil.
Replace the drain plug.
Refill the oilhousing.
The oil level should be at the lower side of the openings
(Fig.7.8 position A).
Replace the plugs.
7.6.3 RW 60 / RW 80
Put the pump in a horizontal position so that the drain
plug (M20) is at the bottom (Fig.7.9 pos. A).
Remove the vent plugs (1) and (2).
Put a receiving bin underneath the drain plug.
Remove the plug and drain the oil.
Replace the drain plug (3).
Refill the oilhousing through the opening (1).
The oil level should be at the lower side of the
opening (Fig.7.9 position A).
Replace the plugs.
Fig. 7.7
Fig. 7.8
Fig. 7.9
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