Mini-Crawler Crane M A E D A Section 5 – INSPECTION
1/2019 MC405C-3 5-29
2. Remove the oil level check plug (G) of the
travelling motor reduction gear case to check
if the oil will come out of the plug hole.
3. If there is no sufficient oil, remove the top
drain plug (P) and pour in gear oil from the
plug hole.
NOTICE: Pour in the gear oil until the oil comes
out of the oil level check plug (G).
4. Install the oil level check plug (G) and upper
drain plug (P) and securely tighten them
after checking and refilling with the oil.
Check Dust Indicator
1. Remove the machinery cover as described
in "Removing Machinery Cover" on page 5-
18.
2. Inspect the dust indicator (1) on the air
cleaner to confirm that the red piston is not
visible in the transparent section.
Fig. 5-45
3. If the red piston is visible, clean or replace
the element immediately.
For more information on cleaning the
element, see "Inspection, Cleaning and
Replacement of Air Cleaner" on page 5-72.
4. After inspecting, cleaning, or replacing,
press the knob on the dust indicator (1) to
return the red piston to its original position.
Fig. 5-46
5. Reattach the machinery cover as described
in "Installing Machinery Cover" on page 5-
18.
Check Battery Charge Level
WARNING!
• The electrolyte generates combustible gas
and presents explosion hazard. Do not
bring any fire close to the electrolyte.
• The electrolyte is a hazardous substance.
Avoid contact with eyes or skin. Should it
come into the contact with eyes or skin,
wash the affected area with plenty of water
and consult a physician.
Check the status by the colour displayed on the
meter on the top of the battery.
Fig. 5-47
The meter indications are as follows:
Green: Normal, with no problems.
Black: Charge is low. Recharge the battery.
White: Inspect the exterior.
NOTICE:
If the meter indication remains black even after
the battery has been recharged, the battery may
be at the end of its life cycle and therefore should
be replaced.
If the meter indication is white, check that the
casing is not damaged and there is no fluid
leakage. Replace if it is damaged.
Even if no exterior damage is visible, it may be
damaged internally or it may be at the end of its
life cycle and therefore should be replaced.
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