26
EN 5675-L
12�2 Lubricant changing (PE1 & PE2)
An oil change is only necessary:
•
• if the DI leakage sensor detects an ingress of water into the seal chamber or motor chamber.
• after repair work that requires draining of the oil.
• if the pump is being taken out of service the oil should be changed before storage.
12.2.1 Instructionsonhowtodrainandllthesealchamber
1. Loosen the drain plug screw (a) enough to release any pressure that may have built-up, and re-tighten.
Before doing so, place a cloth over the plug screw to
contain any possible spray of oil as the pump de-pressurises.
2.
with the motor housing supported from underneath.
To prevent the pump from toppling over ensure it is supported
3. Position an adequate container to receive the waste oil.
4. Remove the plug screw and seal ring (a) from the drain hole.
5.
the drain hole is positioned to the top.
When in this position the pump must be held by hand,
or supported at both sides, to prevent it from toppling over.
6. Select the required volume of oil from the quantities table (p.29) and
slowly pour into the drain hole.
7.
(a) Drain plug screw
DRAIN
FILL
(a)