8-2
Rosco Maximizer 2B Asphalt Distributor
Troubleshooting
Table 8-1. Air Solenoids
SYMPTOM
CAUSE
REMEDY
Air solenoid valves leaking
Spool section jammed or sticking
on air valve
Replace spool .
NOTE: Block at A & B ports with pipe plugs .
Bench test assembly with shop air
supplied to inlet . Manually and/or
electrically operate each valve section
to insure proper operation .
Air solenoid valve sticking
Dirt in valves or gummy deposits
causing spool to hang up
Clean or replace . Solvent washing of air valves
creates problems by causing valve seals to
swell . Replacement is the most reliable repair .
Dirt in valves
Check truck air system for water or
contamination
Bodies of valves damaged or
warped
Replace valves
Solenoids are hot . (Too
hot to hold on to after
they have been energized
continuously for several
minutes .)
NOTE: Solenoids will feel
hot to the touch
when operating
properly .
Short in solenoid wiring
Check voltage marked on side of solenoid .
Should show 12V DC
General
The following Troubleshooting Guide includes some
problems that an operator may encounter during
the course of operating the Maximizer 2B Asphalt
Distributor . It also includes some acceptable
corrections to these problems . Unless otherwise noted,
the problems listed here are those which an operator
can diagnose and repair . See an authorized ROSCO
Dealer/Distributor for diagnosis and repair of problems
not listed .
For specific engine and hydraulic problems not covered
by this guide, refer to the Engine or Hydraulic Pump/
Motor Manufacturer’s manual .
DO NOT attempt to service or repair
major components, such as the engine, hydrostatic
pump or motor, unless authorized to do so by your
ROSCO Dealer/Distributor ANY UNAUTHORIZED
REPAIR WILL VOID THE WARRANTY
When a problem occurs, don’t overlook the simple
causes . For example, a starting problem could be
caused by something as simple as an empty fuel tank .
After a problem has been corrected, be sure to repair
or replace the mechanical component that caused the
problem .
Troubleshooting Charts
The troubleshooting charts below identify the most
common symptoms of failure . Use these charts to help
identify the failed component and possible remedies .
If the problem persists, see your authorized LeeBoy
Dealer (see
Contact Information
in Section 3) .
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Содержание Maximizer 2B
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Страница 14: ...NOTES Rosco Maximizer 2B Asphalt Distributor 1 2 Introduction Return to Last Viewed Return to Thumb Index...
Страница 22: ...NOTES 2 8 Safety Rosco Maximizer 2B Asphalt Distributor Return to Last Viewed Return to Thumb Index...
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