Section 5 – LONG-TERM STORAGE
Mini-Crawler Crane M A E D A
5-74 3/2019 MC305C-3
LONG-TERM STORAGE
63BBefore Storing Machine
CAUTION: The machine shall take the posture
shown in the figure during the long-term
storage to protect the cylinder rod. For more
information on travelling posture, see
"TRAVELLING POSITION" on page 4-21. (To
prevent rust on the cylinder rod)
Fig. 5-161
Store the machine as described below for
long-term storage.
• Wash and clean each section of the machine
and store indoor.
If you absolutely have to leave it outdoor, select
a flat location where the machine is not likely to
be exposed to flood or other disasters and cover
the machine.
• Refuel, grease, and change the oil without fail.
• Disconnect the negative terminal of the battery
and cover, or dismount the battery from the
machine for storage.
• If the temperature will go down to 0 degree or
below, add antifreezing fluid. Contact us or our
sales service agency for the mixing quantity of
the antifreezing fluid.
64BDuring Storage
WARNING! If you have to perform antirust
operation indoor, open the window and
entrance for better ventilation to prevent gas
poisoning.
Be sure to operate the machine once a month
during the storage to maintain the oil film at
lubricating section. Charge the battery at the
same time.
65BAfter Storage
WARNING! If you did not perform antirust
operation monthly during the long-term
storage, contact us or our sales service
agency before using the machine.
Perform the followings before using the machine
after the long-term storage.
• Refuel, grease, and change the oil without fail.
• Remove the cover over the battery (install the
battery to the machine if dismounted for
storage).
Check the electrolyte level and specific gravity,
and then connect the battery cable from the
positive side.
• Remove the drain plug of the fuel tank,
operation oil tank, and engine oil pan to drain the
water mixed in.
• Carefully perform the check before starting
operation and warm-up operation.
Carefully check the various parts of the machine.
66BFor Electric Motor
Use the following procedure for storing the
machine for 6 months or longer (3 months or
longer if stored in hot and humid surroundings).
• Cover the electric motor and hydraulic pump of
the power unit with a plastic sheet. Keep the
machine dry with a dehumidifying agent in the
covered sheet.
• Conduct 5-minute idling of engine quarterly
during long-term storage.
CAUTION:
• Quarterly insulation resistance test of
electric motor wiring is required during
long-term storage.
Contact us or our sales service agency in
the above event.
• Insulation resistance test of electric motor
wiring is required before resuming the
machine after long-term storage.
Contact us or our sales service agency in
the above event.
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