Rosco Maximizer 2B, Инструкция по эксплуатации, обслуживанию и ремонту

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6-14 Rosco Maximizer 2B Asphalt Distributor
Operation
Use extreme caution when operating
a portable torch, either independently of the
Maximizer 2B or as an integral part of the Maximizer
2B burner fuel system . Read and be familiar with the
torch operating instructions. Any external flame is
extremely hazardous around the Maximizer 2B and
can cause fire and explosion. Follow all of the safety
precautions provided for burner operation in this
manual .
Portable LPG Torch Ignition
1 Open valve on LPG tank If torch has separate
regulator, set regulator for no more than 15 PSI
2 Open the shut-off valve on the torch with the pilot
valve closed When the pilot valve is closed, the
orifice will allow enough LPG flow to light the torch.
3 To prevent injury, use a wick-type torch to light the
portable torch Do not use a match or lighter
Using a portable torch is extremely
hazardous . Use a sweeping motion when using the
torch. Do not direct the flame on one point for an
extended period of time . Fire and explosion will
occur .
4 Open pilot valve on torch to allow enough flow for
torch operation
Portable LPG Torch Extinguishing
1 Close pilot valve to shut down flame.
2 Close tank valve and allow the fuel to flow to the
burners until they go out
3 After pilot flame goes out, close shut-off valve and
store torch
Distributor Operation
On startup the control system defaults to OFF mode for
safety reasons The operator chooses the operational
mode from the Mode Selection Screen
( Figure 6-9 )
Table 6-4 . Valve Status During Operational
Modes
represents the status of each valve and the
corresponding pump direction according to the
operational mode selected
NOTE: Individual one foot section valves on the spraybar
are active in SPRAY and REVERSE SUCTION
16 Open valve for upper burner if equipped
17 Burners should be operating If not, turn off
valves and do not light until problem is fixed, (see
Troubleshooting in Section 8)
High Temperature Limit Control
NOTE: This feature is designed as a safety feature only.
It is not to be used for thermostatic control
This feature causes the burners to automatically shut
off when the high temperature limit is reached, (
Figure
6-10 ) The burners will not restart until the material cools
to less than the set temperature limit This feature helps
to prevent overheating the material
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
DO NOT leave the unit unattended
while heating material . Monitor the Controller
display temperature, as well as the dial or pencil
thermometer, to insure that all equipment is
functioning properly and that the material does not
heat beyond the required spraying temperature,
(see Guideline Temperatures For Liquid Asphalts in
Section 4)
LPG Burner Auto Extinguishing
1 Close the tank valve and allow the fuel to flow to the
burners until they go out
2 Close the pilot and shut-off valves in LPG lines
3 Turn OFF burner switch in rear control box
NOTE: Burner Control switch ( Figure 5-2,2 ) 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
4 Wait 5 minutes before relighting to ensure there are
no fumes in the flue.
Portable LPG Torch
A portable LPG torch may be supplied on the Maximizer
2B as an option If the unit is equipped with LPG burners
for tank heating, the portable torch is plumbed into the
unit’s LPG burner regulator If the unit is equipped with
diesel fired burners, the portable torch will have its own
LPG tank and regulator
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