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Note the maintenance
plan on Page 89
C
−
LRV lift control valve
Installation and commissioning
300−I−9010212−E−10/08.08
4.3.11
Pilot filters
Filter−strainers are positioned upstream of the lowering and lifting valves
in accordance with the international standards for lifts. The filters are
easily accessible from outside the valve.
Caution
Contamination in valve (filter)
This can cause leakage.
Never operate the lift without the pilot filter installed.
Carry out regular maintenance as per maintenance plan
⇒
Cleaning the pilot filter
1.
Switch main switch OFF
2.
Close the ball valve
3.
Press emergency−lowering lever (vents pressure in the valve)
I
the pressure in the valve is vented
4.
Unscrew the filter screw
I
with a 22 A/F open−ended spanner
5.
Remove filter
6.
Clean or exchange the filter
7.
Insert the filter
8.
Screw in the filter screw
9.
Open the ball valve.
10. Switch main switch ON
The pilot filter is now clean