2019 9 D4OPTRS
ROUTINE MAINTENANCE
Follow standard Model 435 guidelines for after
shift maintenance of the main sweeper assem-
bly. End of shift requirements of the dustless
fi ltration box are noted below:
1. Remove precleaner assembly and
clean, make sure to remove any grass or
paper clippings caught inside the sepa-
rator tubes. (Illustration M01308)
2. Inspect that scavenge bin is clear and
that the scavenge hose is free fl owing.
Reinstall the precleaner.
3. Open the large access door and drain
the fi lter/water separator (top of box)
by pushing on the drain cock till empty
(Illustration M02143).TYMCO MODEL
DST-4
M01308
REMOVE TRASH FROM
PRECLEANER TUBE
OPENINGS
ILLUSTRATION M02143
NOTE: Bowl will normally be full of water, drain till empty.