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Safety, Installation and Operations Manual - Original instructions
6.4 Cleaning
Remove any debris attached to the pump's surface, and wash the pump with tap water. If the hydraulic part is fouled, clean it thoroughly. Pay
particular attention to the hydraulic parts and completely remove any debris .
If the pump is used only occasionally, after each use flush out the hydraulic part to prevent the formation of deposits; run the pump for a few cycles
with clean water.
Also take care not to allow sediments to form on the float switches, to ensure that the start and stop thresholds remain correct.
6.5 Inspection
Verify that there is no damage, and that the bolts, nuts and screws are properly tightened. Tighten screws with correct tightening torques (see Point
6.6). When tigthening, renew the threadlocker if necessary.
6.5.1 Electric cable inspection
Cables and their terminations are particularly prone to damage. They shall be inspected at regular intervals and whenever is
possible.
Check that the electric cable is intact with no signs of pulling, cuts or other signs of misuse.
A faulty cable may enable liquids to enter the unit and may cause electrical leakage, short circuit, electrical shock or fire.
Check that the cable gland is intact.
Damaged or defective parts shall be replaced immediately.
EN
6.5.2 Bearings inspection
All bearing are rolling element type grease lubricated for life. Check the shaft noisy or heavy operation (turn the shaft by hand) and in case, replace
the defective ball bearings.
Defective bearings may reduce the -Ex safety.
6.5.3 Oil inspection and changing procedure
Oil change and mechanical seals inspection is necessary if the leakage probe detects an ingress of water into the seal chamber.
Oil chamber is designed in order than, filling it with the pump in vertical position, the right quantity of the lubricate is reached when its level reach
the hole for the filling (oil plug).
Use TOTAL Bio Hydraulic TMP FR46 oil or equivalent with ISO Viscosity Grade (Kinematic Viscosity at 40°C) 40-90 cSt, Flash point ≥ 240°C.
If the recommended oil is not available, contact Zenit.
The oil chamber may become pressured in the event of a leak from the mechanical seal.
Unscrew the plug slowly, covering it with a rag of suitable size.
Do not dump spent oil in the environment, but consign it to a specialist disposal centre.
Enclosure type G05M - G05L - G06S - G06L - G07S - G07L - G08L - G10S - G10L
1. Position the pump on a firm, even surface;Use a suitable lifting
system of appropriate size.
Secure it to prevent it from rolling or rocking.
2. Identify the plug of the pump's oil chamber.
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Oil changing procedure
3. Unscrew the plug on the top of the oil chamber.
better together
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