Rosco Maximizer 3B User Manual

8-6
Rosco Maximizer 3B Asphalt Distributor
Troubleshooting
Table 8-4. Diesel Burner
SYMPTOM CAUSE REMEDY
Burner motor will not run Check for power Run truck and check the truck alternator
Check for loose wires and
connections
Repair or replace. Tighten connections
Burner fan turns too slowly Check for excessive dirt build up
on blower ns
Clean ns and fan shroud
Not enough voltage for proper fan
operation
Check voltage with truck running. Check truck
electrical system
Check for loose wire connections Repair or replace. Tighten connections.
Burner getting no diesel
fuel
No fuel in tank Fill fuel tank
Faulty fuel solenoid Check solenoid. Repair or replace.
Plugged fuel lter. Check both
main and in-line lters.
Replace fuel lter(s)
Contaminated fuel Drain fuel system and replace with known fuel
quality
Loose or damaged fuel pump
coupling
Tighten or replace
Air in the fuel system Check and tighten hose connections or lter
Burner igniters not working Fuel combustion problems Test for combustibility. Remove fuel suction
line. Insert line into a container of #1 diesel
fuel or stove fuel, and run the burner. If burner
lights and runs properly, it is a fuel problem due
to low sulphur fuel. Use a fuel additive to aid
combustion.
Low fuel pressure Check fuel pressure. Must be 140 PSI.
Igniter clearance is wrong The electrodes should be 1/4” (6.4 mm) from tip
of nozzle and no more than 1/4” (6.4 mm) from
electrode tip to tip.
Faulty relay inside burner control
box.
Replace relay
Soot build up on fuel nozzle Replace nozzles
Air intake not set properly Adjust air inlet or band on blower
Burner has uttering and
blow back
Clogged fuel lter Replace in-line fuel lter
Air intake not set properly Adjust air inlet or band on blower
Low sulfur fuel is being used Use a fuel additive to aid combustion
Fan is running too slow Clean fan blade ns. Check voltage
Low fuel pressure Fuel pressure must be 140 PSI
Faulty fuel nozzle Replace with factory recommended nozzle
Air in the fuel system Check and tighten all fuel connections and
lters
Flue liner plugged with soot or
carbon
Clean ue liner with pressure wash
Table 8-5. Hydraulic System
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Rosco Maximizer 3B Specifications

General

Brand	Rosco
Model	Maximizer 3B
Category	Utility Vehicle
Language	English