Instruction Manual
DPH 220 - DPH 460
Page 5
8.2. Maintenance schedule:
After first 25 operating hours
Date
Segnature
Clean intake filter and intake filter cartridge
Check Oil level
( Max. RED POINT )
Cartuccia Filtro Carboni – setaccio
Check tightness of all cooler-pipes and couplings
Check tightness of O-rings
Check functioning and tightness of filling valve
Check zero position on final pressure gauge when
depressurized
After first 50 operating hours, at least annually
Date
Segnature
Oil change 350 ml.
Check and clean intake filter element 1st stage
Check filter and cartridge
After first 500 operating hours, at least annually
Date
Segnature
Valve change
Change intake filter element 1st stage
Check blow-off pressure of final pressure safety valve
After repair work
Date
Segnature
Check functioning and tightness of filling valve
Clean intake filter element 1st stage
Check tightness of O-rings
Check zero position on final pressure gauge when
depressurized
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