Operation Manual
RENNER Compressors
AW – Maintenance Check Sheet Annex
AW-1
Annex W – Maintenance Check
When Due
Maintenance Work
Parts Required
Start-up:
Check oil level
Check V-belt tension
Tighten hose / pipe connections
Tighten electric terminals
Regularly
Tighten electric terminals (once, then every 2000 h)
Check all connections are securely fixed
Check hose / pipe connections for leaks
Check pressure gauge and temperature indicator are
working
Check oil level
Check V-belt tension
Check alignment of V-belt pulleys
Check level of contamination in air filter
2000 h
Change oil filter
Oil filter
or 1x per year
Oil change
²
Compressor oil
Change air filter element
Air filter cartridge
Change fine separator cartridge ³
Fine separator cartridge
Tighten electric terminals
Check V-belt tension
Check V-belt for wear and replace if necessary
Clean oil cooler
Clean oil return inspection glass
Check system for leaks
Check run-on time ( >= 3 min.)
Check pressure switch setting and adjust if necessary
Re-grease motor bearings (RS 11 and above)
High-temperature grease
Clean / replace filter mats
(See attached details)
Check overall condition of system
4000 h
As for 2000 h
As above
or 1x per year
6000 h
As for 2000 h plus:
Plus:
or 1x per year
Change V-belt
V-belt
8000 h
As for 2000 h plus:
Plus:
or 1x per year
Change thermo-valve element
Thermo-valve element
Change O-ring on oil filler plug
O-ring for oil filler plug
Change oil return inspection glass (where fitted)
oil return inspection glass
