6
Rosco Maximizer 2B Asphalt Distributor
6-13
Operation
Never operate the burners if the flue
tubes are not covered with at least 8” (20 .32cm)
of material. The flue tubes can become red hot and
ignite the vapors causing an explosion .
3
Be sure that flue tubes are covered by at least 8"
(20 32cm) of material Read the tank dipstick If the
amount in the tank is less than the recommended
amount in
Table 6-3 . Tank Contents Chart to
, do not use the
burners
4 Do not load, unload, transport or spray while
burners are operating
5 Start and run engine at 1000 to 1200 RPM, engage
PTO (if equipped) This provides power to the
asphalt pump
6 Turn the Plus One Controller Master switch ON to
activate the system, (
)
7 Set Plus One Controller Mode Selector switch to
TANK CRCLT, (see
Tank Circulate Mode
in Section
6)
Operating the burners without
circulating the product can create explosive fumes .
If the product can not be circulated after 15 minutes
of heating, the fuel to the burners must be turned
OFF, leaving the blowers running . Do not try to heat
material again for 30 minutes .
8
Set asphalt pump to the forward position at a flow of
75 - 100 GPM (283 9 - 378 5 LPM)
9 Verify burner switch in rear control box is OFF
10 Set the Plus One Controller to the required
temperature for the material being used, (
11 Set Plus One Burner Control switch ON
NOTE: Burner Control switch is a momentary switch and
will return to the OFF position An icon will display
on the screen when the Burner Control switch
has enabled the burner system controls
12
Open the LPG tank valve to start the flow of propane.
13 Partially open lower burner shut off valve for starting
14 Turn ON burner switch in rear control box Burner
should light within 10 seconds If not, turn switch
OFF to reset and retry
15 After burners light, fully open lower burner valve
LPG Burner Auto Ignition
Before heating asphalt material, refer
to Systems Overview, Burner System, earlier in this
section for further information and precautions .
Run the burners for short periods
of time (15 minutes ON, 15 minutes OFF) to allow
the heat to dissipate through the material . This will
prevent damage to the flue liner.
2
3
4
1
2
5
6
LPG Burner System (Auto Ignition)
Figure 6-7
1 - Upper Burner (Double Flue)
2 - Shut-off Valve
3 - Igniter
4 - Lower Burner (Double Flue)
5 - Regulator
6 - Solenoid
1 Be sure the unit is sitting on a level area
2
With a flash light, look into the tank from the top and
check that there is no water or condensation in the
bottom of the tank If there is, drain the tank to an
approved container Dispose of material and water
according to local, state and federal regulations
Do not put your head in the tank .
Serious injury or death could result from breathing
poisonous fumes .
DO NOT SMOKE around the machine.
Fuel, asphalt material and the fumes from both
can explode when exposed to flame or heat from
smoking or other sources .
Hot material will turn water into steam
and can cause an explosion .
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