Section 5 – INSPECTION Mini-Crawler Crane M A E D A
5-24 1/2019 MC405C-3
Tracks and Frame
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 hydraulic 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 Controls
• 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.
Pre-Start Inspection - Before
Starting Engine
Check the followings in this section without
starting the engine and before starting the first
work every day.
Check / Add Engine Coolant
WARNING! Do not check or refill the coolant
with the radiator cap removed. Always check
and refill in the reserve tank. Heated coolant
may spout, causing burns.
1. Stop the machine at levelled location.
2. Open the access hatch in the right-hand
machinery cover.
3. Check the coolant level in the reserve tank
(1) to be between "FULL" and "LOW".
Fig. 5-31
4. If the coolant level is lower than the "LOW"
level, use the following procedure to refill
with tap water.
(1) Remove the cap (2) of the reserve tank
(1) and fill water from the filler opening
to the level "FULL".
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