Elliott Traffic Safety Service L60, Руководство оператора

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Troubleshooting aerial EEC-0132 V1.1
Troubleshooting
Category Problem Possible Cause Diagnostic Action Corrective Action
Boom Sloppiness of
platform or
excessive side
play in platform. Missing wear
pads or worn
pads Replace or shim
boom wear pads.
Boom
(DOES
NOT APPLY TO
UNITS W/O A2B
VALVE)
Boom down,
boom out and
winch up won’t
work. Anti-2-block
valve
malfunctioning. Check flag on switch
and check continuity
on wires to switch. Replace wires or
switch.
Boom Operation slow. Low pressure
setting. Check relief valve
setting by bottoming
out boom retract. Reset relief valve
or replace relief
cartridge.
Platform Platform is slow
to level as boom
is raised or
lowered. Air in leveling
circuit. Purge system as
instructed in
manual.
Platform (DOES
NOT APPLY TO
UNITS W/O
MASTER
LEVELING
CYLINDER)
Platform will not
attempt to level
when boom is
raised or
lowered. Broken pin on
master leveling
cylinder or worn
master cylinder. Repair master
leveling cylinder.
Platform Platform will
become out of
level every time
boom is moved. External leak in
leveling system,
worn or
defective seals in
platform
cylinder. Worn
or defective
seals in master
cylinder. Relief
valve in system is
not holding. Reseal platform
cylinder. Reseal
master cylinder.
Replace defective
relief valve.