MBW Blitzscreed - Manual (Page 21)

19
S HYDRAULIC OIL SUPPLY - For Screeds with hydraulic winch kits, check
to ensure there is an ample supply of Hydraulic Oil in the tank.
S
DRIVE GEAR LEVER - For Screeds with hydraulic winch kits, check to enĆ
sure lever is in the disengaged position, before starting the engine.
STARTING
DO NOT START OR RUN THIS MAĆ
CHINE IN AN ENCLOSED AREA. THE
ENGINE PRODUCES CARBON MONĆ
OXIDE, A POISONOUS GAS.
Refer to the specific engine's manual for
detailed information on starting proceĆ
dure.
1. Open fuel valve.
2. Move choke control to the closed posiĆ
tion. A warm engine may not need to
be choked.
3. Set engine throttle to idle position.
4 Turn engine switch to the ON" posiĆ
tion. Pull rewind starter to start engine.
5 After engine starts, open choke and let
engine warm up at idle for one or two
minutes before operating screed.
STOPPING
DO NOT STOP THE ENGINE WHEN THE
ENGINE IS RUNNING AT HIGH SPEED.
Refer to the specific engine's manual for
detailed information on stopping proceĆ
dure.
1. Move throttle to the SLOW" position
and let engine idle for a couple of minĆ
utes.
2. Stop engine by turning engine switch to
the OFF" position.
3. Close fuel valve.
DO NOT CHOKE THE CARBURETOR TO
STOP THE ENGINE.
OPERATING
Proper screed operation is dependent
upon uniform and accurate concrete
placement. The puddlers should rough
grade the freshly poured concrete to just
above the strikeoff edging. For the meĆ
chanical screed effective screeding can be
done with the engine set from 2000 to a
maximum of 2800 rpm. The operating air
pressure range of the air screed is 40 to 60
PSI depending upon the concrete slump.
Each vibrator uses 4 CFM.
1. Begin moving screed to strike off rough
graded concrete.
2. Puddlers should maintain a uniform
rough grade and remove any concrete
buildup in front of leading edge (see
Figure 25).
3. If screed has to be stopped in the conĆ
crete, it is important to do so quickly as
this will prevent wash back and ridges.