Rosco Maximizer 3B User Manual

8
Rosco Maximizer 3B Asphalt Distributor
8-9
Troubleshooting
SYMPTOM CAUSE REMEDY
Spraybar sprays streaks
before coming on full
Spraybar not heated properly Circulate asphalt in spraybar for several
minutes
Asphalt pump not at correct speed Check ow and speed calibration factors and
adjust if necessary, see Table 8-3. Asphalt
Pump.
Ground speed sensor not working
properly
See GPS Ground Speed Sensor
See Table 8-8. General Machine
Faulty wiring Check GPS or Radar Horn wiring. Check
Controller wiring
Hydrostatic pump malfunction See Table 8-2. Asphalt Application and Table
8-3. Asphalt Pump
Truck transmission in too high gear Use lower truck gear
Spraybar lowers
excessively.
NOTE: Normal lowering
may be as much as 2 inches
per hours.
Internal leakage in the hydraulic
cylinders or the valves. To check,
raise the base end of the cylinders
and open the rod end. If the bar
doesn’t settle, the problem is in the
valves. If the bar does settle on the
cylinders, repeat the check to see
which cylinder is the problem.
Repack the cylinder or replace the valve
section
Spray valve (individual)
staying ON or not fully
closing
Debris in spray valve Open spray valve, remove nozzle and clear
debris with wire hook
Actuator handle on spray valve not
correctly aligned with spray valve
body
Use Valve Alignment Wrench to align actuator
with valve body, (see Nozzle Selection in
Section 6).
Spray valve (individual)
staying closed or not fully
open
Actuator handle on spray valve not
correctly aligned with valve
Use Valve Alignment Wrench to align actuator
with valve body, (see Nozzle Selection in
Section 6).
Table 8-6. Spraybar and Valves (continued)
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Rosco Maximizer 3B Specifications

General

Brand	Rosco
Model	Maximizer 3B
Category	Utility Vehicle
Language	English