C
−
LRV lift control valve
Maintenance
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 af
ter
commi−ssioning, not
later than af
ter
3
months
At every service, at
least 2 x per year
Annually
Af
ter 5 years
Af
ter 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