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f
g
2
Maintenance and Servicing
When maintaining these units and having such situations where personnel could be hurt by moving parts or by live electrical parts the
ZEPHYR must be isolated by totally disconnecting the electrical supply. It is imperative that the unit cannot be re-started during the
maintenance operation.
Do not maintain a ZEPHYR that is at its normal operating temperature as there is a danger from hot parts.
The pressure leading pipes must be ventilated before dismantling.
1. Lubrication (pictures
)
The oil level in the sight glasses (I) should be checked monthly.
The oil level can only be topped up when the ZEPHYR is switched off and vented to atmospheric pressure.
The oil should be changed after 5000 operating hours under normal ambient conditions (see oil drain screws (K)).
The viscosity must correspond to ISO-VG 150 according to DIN 51 519. Designation according to DIN 51 502: CLP HC 150
We recommend the following oil brands: GEAR-LUBE 150 or equivalent oils from other manufacturers (see oil type plate (M)).
Note
If the oil brand is changed, the old oil must be drained completely from the oil chamber.
Old and used oil must be disposed of corresponding with the relevant health, safety and environmental laws.
4. Air filtration (picture
)
The capacity of the pressure/vacuum pump can be reduced if the air inlet filters are not maintained correctly.
The filter cartridges (e) for vacuum and (f) for intermediate charging have to be cleaned depending on the amount of contamination. This is achieved
by blowing compressed air from the inside of the cartridge outwards.
Even if the cartridges are cleaned their separating efficiency deteriorates. We would therefore recommend exchanging the cartridges half-yearly.
The filter cartridge (e) can be removed for cleaning after removing the screws (s
removed for cleaning after unscrewing the suction filter cover (g
e
) and the filter housing cover (g
1
).
2
- 3 -
g
1
s
1
). The filter cartridge (f) can be
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