2008 21 DSTOPTRS
C. SWEEPING SPEEDS
The best sweeping speeds for the TYMCO SWEEPER will be between 1-10 MPH and
will be dependent upon how heavy the street curb is loaded. The lighter the curb debris,
the faster the sweeper can sweep. However, faster speeds will cause faster wear of the
pick-up head curtains and skid plates.
The best all-around results are obtained when moderate blower RPM and moderate
sweeping speeds are used. The following speeds are recommended:
MPH SPEED
Paper, leaves, light trash 1-10
Normal accumulation of dirt, sand and gravel 3-5
Heavy accumulation of dirt, sand and gravel 1-3
CAUTION
: Street sweeping requires a great deal of concentration by the opera-
tor to avoid road hazards such as parked cars, pedestrians,
chuckholes, etc.
Judge street conditions and operate sweeper at safe speed, regardless of how heavy or
light the curb debris.
D. SERVICE
WARNING
! Never work on or around blower assembly or components without
removing ignition key form sweeper control panel and/or disconnec-
ting the negative ground from battery.
WARNING
! Never reach into blower housing for any reason if blower power
band move is still installed.
Periodic servicing of the blower assembly should be performed on the following areas:
1. Blower Power Band
- should be retensioned after the initial 10 hours of operation;
then every 500 hours. Refer to Service & Parts Manual for proper procedure.
2. Blower Bearings
- bearings are pressed into an aluminum hub which is bolted to
the blower housing cover. These bearings are sealed and no greasing is required.
The operator should be made aware of their location and should listen for any
unusual noise coming from the blower housing indicating a bearing problem.
Sweeper should be serviced immediately when a bearing problem is detected.
3. Blower Service
- for longer blower life, clean the dust separator daily. (Refer to
hopper section of this manual.)
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