Bucher iValve i250 - Maintenance; Maintenance Schedule

iValve Lift Control Valve 7 Maintenance
27/31
300-I-9010544-EN-01/10.2014
7 Maintenance
7.1 Maintenance schedule
This service plan is just a guide. Adjustments or changes should be un
dertaken by the installer.
Work to be carried out Time
Before commissioning
During commissioning
First service after commi-ssioning, not later than after 3 months
At every service, at least 2x per year Annually After 5 years
After 10 years
Valve Check error memory X
Check internal leakage X X X
Check external leakage X X X
Check the maximum pressure setting
(pressure relief valve/ maximum-pressure
setscrew)
X X
Clean pilot filter (⇒page28, chapter7.2.1) X X
Replace pilot filter (⇒page28,
chapter7.2.1)
X
Clean main filter X –– X
Valve Renew O-rings
(when valve is dismantled, or as required)
X –– X
Pipe
Hose
Check for leakage X X X X
Check for
S Damage to the outer surface (chafings,
cracks, cuts)
S Embrittlement of the outer surface
S Discolouration of the outer surface
S Bubbles
S Pinches
S Kinks
S Damaged/ deformed fittings
X X X
Replace X
Issue: 09.2015
27/31
Reference: 300-I-9010544-EN-01