27
EN 5675-L
12�3 Lubricant changing (PE3 - version without cooling jacket)
An oil change is only necessary:
•
• if the DI leakage sensor detects an ingress of water into the motor, seal, or inspection chambers.
• 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.
12.3.1 Instructionsonhowtodrainandlltheinspectionandsealchambers
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. Secure a hoist to the lifting hoop. Lay the pump on its side and rotate until the drain plug is underneath.
Note:
must be drained into a sump.
3. Remove the plug screw and seal ring (a) from the drain hole.
4.
motor housing supported from underneath.
5. Select the required volume of oil from the quantities table (p.29) and slowly pour into the drain hole.
6.
(a)
(a)
Inspection chamber Seal chamber
Drain Fill
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