Comprag AV-Series, Operating Manual

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29 COMPRAG Screw air compressor AV-Series
5.6
Changing drive belt
2
1
Fig. 5.7 Changing air-oil separator
1 2 3
4
1 2 3
4
Fig. 5.6 Changing drive belt
Open the front and left side panel. Remove the protective metal grid. Loosen the 2 screws
(1) and the 2 nuts (1) securing the bracket of the air end by turning them 2 revolutions.
Loosen the 2 bolts (4) of the support and the 2 corresponding nuts (3) on the tensioner
using a wrench. Remove the old belts from the pulleys and install the new belts. After
installing the new belt, tighten the belt with the appropriate tensile force (see section
5.3 Checking Drive Belt). Tighten the 2 bolts (4) of the support and the 2 corresponding
nuts on the tensioner. Tighten the 2 screws and the 2 nuts of the bracket of the air end.
Check the belt tension within four hours of the compressor’s operation in accordance
with section 5.3. Move the protective metal grid back.
5.7
Changing air-oil
separator
The separating component (1) is located
within the separator tank. Open the front
panel in order to change it. Unscrew the
bolts (2) and carefully remove the top
cap of the tank. Disconnect hoses if
they make it difficult to remove the cap.
Remove the spent separator and install
a new one in its place. Refasten the
tank cap.