Viessmann VITOFLEX 300-UF Operating Instructions Manual page 45

Inspection and maintenance
Note
■ All geared motors of the conveyor devices are main-
tenance-free.
Only use non-combustible lubricants.
■
Component, activity
Lubricant or oil change
Lubricate all flanged bearings and other lubricating points with
lithium soap grease
Check chain drives for wear; retighten and lubricate with chain
oil if necessary
Check that all screws are firmly seated
Check all discharge points from the pellet silo or fuel store for
damage and contamination. Remove any foreign bodies
Horizontal discharge
Check and lubricate articulated arms, articulated screws, ten-
sion springs and tensioning chains. Adjust articulated arms if
necessary
Funnel discharge
Lubricate sealing washer between the discharge casing and
geared motor and the universal joint of the screw conveyor
Pushrod discharge
After maintenance has been carried out
To reset maintenance, see page 24
(cont.)
Interval
Regu- As re- Annual-
larly quired ly
O
O
O
Installation and service instructions for
horizontal discharge AH
V
Manufacturer's documentation for the
hydraulic drive unit
Maintenance
20,000 hours
or every
3 years
V
O
45