Johnston VT801 - Filter Screen and Roof Duct

The body filter screens and roof duct must be kept clean, otherwise suction performance can be
affected. The screens should be removed when cleaning, To remove, push the handle to release
the screen and allow it to swing down, disconnect the air pipe to the mesh shaker unit if fitted. The
screen can then be lifted out of the hooks on the rear sloping panel for thorough cleaning. With
the screens removed and the body raised and resting on its prop, clean out all debris from the roof
duct which runs along the top of the body, using a hose and broom. Care should be taken not to
get excessive water in the fan case.
When refitting a screen, ensure it is a close fit against the mating faces. Adjustment is provided so
that debris is prevented from entering the fan.
Chapter - Routine Maintenance
Page Issue 01
OG
6:10
V Range 501 ● 651 ● 801 - Operator’s Guide
Filter Screens and Roof Duct
●Ensurethescreenisloweredslowly.Ifthemeshisallowedto‘freefall’andbounce
offofthebaffle,thereisapossibilityofitbeingdislodged
from the hinge point.
Safety Notice
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