Section 5 – INSPECTION
Mini-Crawler Crane M A E D A
5-24 3/2019 MC305C-3
Outriggers
• Look below each of the outriggers and check for
any oil leak or similar. Be especially careful to
check below the outrigger cylinders. If you find
any abnormality, repair.
• Check each of the rotaries, outriggers, holders
and outrigger cylinders for cracks, excessive
deformation, contamination and others. In
addition, check bolts, nuts, pins and piping joints
for any looseness, drop, damage and other
matters. If you find any abnormality, repair.
• Check for sagged electrical wire, loosened
connection and trace of burns. If you find any
abnormality, repair.
• Pull out the position pin of each of the outriggers,
rotate the relevant rotary and verify that the
operation is smooth.
If you find any abnormality, repair.
Undercarriage Parts
Check each of the frames, rubber tracks, rollers,
idlers and sprockets for cracks, excessive
deformation, contamination and others. In
addition, check bolts, nuts and pins for any
looseness, drop, damage and other matters. If
you find any abnormality, repair.
Travelling Dolly
• Look around and below the machine and check
bolts, nuts, pins and piping joints for any
looseness, drop, damage and other matters. If
you find any abnormality, repair.
• Look around and below the machine and look
for any oil leak or similar. Be especially careful to
check below the operation oil tank, travel/crane
operation section and each travelling motor. If
you find any abnormality, repair.
• Look around and below the Machine and check
for breakage, excessive deformation,
contamination and similar of lights such as the
outrigger unset lamps and working status lamp.
If you find any abnormality, repair.
• Look around and below the machine and check
for sagged electrical wire, loosened connection
and trace of burns. If you find any abnormality,
repair.
• Check each of the frames, machinery covers,
rear cover and other parts for cracks, excessive
deformation, contamination and others. If you
find any abnormality, repair.
Engine
• Check for fuel, oil or water leaking from the
engine. If you find any abnormality, repair.
• Check the hot engine sections such as the
engine muffler and around the battery for the
buildup and deposit of combustibles such as
dead leaves, paper wastes, dust, oil, and grease.
If there is any, remove them.
• Check the starter, alternator, around battery and
similar parts for sagged electrical cables, piping
joints, and the trace of burn. If you find any
abnormality, repair.
Travel and Crane Operation Section
• Verify that all of the operation levers, travelling
levers, travelling lock lever and acceleration
pedal operate smoothly.
If you find any abnormality, repair.
• Check the moment limiter display and the
monitor panel on the instrument panel for
damages and dirtiness. If you find any
abnormality, repair. If dirty, clean.
• Verify that all of the switches on the outrigger
operation panel and instrument panel operate
smoothly.
If you find any abnormality, repair.
• Check for sagged electrical wire, loosened
connection and trace of burns. If you find any
abnormality, repair.
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