Lift Hopper; Cleaning Work After Sweeping - HAKO -Citymaster 1800 TDI Instruction Manual

turn suction turbine ON, engine speed
automatically rises to approx. 1,900
rpm
lower accessory mount and sweeping
attachment, shift suction mouth to
operating position
lift brush arms out of their lock with
control switch, swing out and lower
select brush speed as required by
degree of soilage
adjust brush ground pressure as
required by degree of soilage
adjust suction turbine speed as re-
quired
continuously adjust sweeping width
between 1,200 and 2,500 mm
turn water pump ON
open water valves for LH and RH
spray nozzles, adjust waterflow as
required
open water valve for nozzle in suction
duct as required
turn rotating beacon ON
turn lighting and searchlights
(optional) ON as required
select direction of travel and speed
slowly depress accelerator pedal
until machine starts rolling and go
ahead accelerating
Note : Note: never exceed admissi-
ble max. weight. Dump hopper
when over-load light on control
panel turns ON.

Lift hopper

In case of an engine failure lift hopper
as follows :
actuate manual pump (V/1); to ease
pump action plug tube of scraper
tool onto pump lever
move lever up and down until hop-
per is fully lifted and jackbar is loca-
ted under lock.
Cleaning work after swee-
ping
Perform the following cleaning work
with a water hose at least once a day,
or more frequent in case of severe
soilage :
Note: do not direct water jet on electric
or electronic components.
lift suction nozzle and clean with
water jet from top and bottom end
clean sweeping attachment and
front lift-out mechanism
dump dirt hopper, lift to top end and
secure in place with jackbar.
Stop engine, open rear flap, clean
hopper inside with water jet. Open
bottom screen from below and
clean; this action includes screens
on both sides.
Drain recirculating tank, flush and
fill.
Start engine, lower hopper and fill to
a level of about 2cm over bottom
screen.
Start sweeping, water from the recir-
culating tank is returned to hopper
through the suction pipe, thus flus-
hing the system. Continue flushing
for about 3 to 5 minutes.
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