C−LRV lift control valve Maintenance
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300−I−9010212−E−10/08.08
6 Maintenance
6.1 Maintenance schedule
This service plan is just a guide. Adjustments or changes should be un-
dertaken by the installation company.
Work to be carried out Time
Before commission-
ing
During commissioning
First service after
commi−ssioning, not
later than after 3 months
At every service, at
least 2 x per year
Annually
After 5 years
After 10 years
Valve Check internal leakage X X X
Check external leakage X X X
Check the maximum pressure setting
(pressure−relief valve / screw)
X X
Check mechanical null point (Hall sensor) X X X
Clean pilot filters X X X
Clean main filter X –– X
Renew O−rings
(when valve is dismantled, or as required)
X –– X
Pipe
Hose
Check for leakage X X X X
Carry out checks in accordance with the
Installation and Maintenance Guide
X X X X
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