Mini-Crawler Crane M A E D A Section 5 – INSPECTION
1/2019 MC405C-3 5-27
3. Check the water separator pot (1) for any
water or dust in the pot and verify if the red
float (2) in the pot has not come up from the
bottom.
The red float (2) in the pot (1) coming up
indicates that the water has mixed in.
Fig. 5-38
4. If there is water accumulated in the pot (1),
drain the water in the pot using the following
procedure.
Fig. 5-39
(1) Remove the machinery cover as
described in "Removing Machinery
Cover" on page 5-18.
(2) Connect the hose (A) to the drain outlet
of the valve (3) at the bottom of the pot
(1) and to the container (B) to receive
drained fuel.
(3) Turn the valve (3) at the bottom of the
pot (1) counterclockwise (left) to loosen
and drain the fuel until the red float (2)
in the pot (1) sinks to the bottom.
(4) When the fuel drain has completed, turn
the valve (3) at the bottom of the pot (1)
clockwise (right) to tighten.
(5) Disconnect the hose (A) connected to
the drain outlet of the valve (3).
(6) Reattach the machinery cover as
described in "Installing Machinery
Cover" on page 5-18.
5. Close the access hatch.
Check / Add Hydraulic Oil
WARNING!
• The oil may spout out when the cap of the
hydraulic oil tank is removed.
Turn the cap slowly to let the inner pressure
escape before removing.
• Do not refill with the oil to the level higher
than the "H" (upper limit) of the level gauge.
Too much oil may cause the oil to spout out
of the air breather during travelling or crane
operation, causing burns.
• Be careful not to let dust go in from the filler
opening when refilling with oil.
• Securely close the tank cap after refilling
with the oil.
The tank cap may fall, and the hot oil may
spout out, causing burns.
CAUTION:
• For more information on the which oil to be
used, see "LUBRICATING OIL" on page 5-
14.
• Be sure to put the machine in the travelling
posture when checking the oil level.
Checking the oil level in the working
posture will cause overfilling since the oil in
the cylinders has not returned to the tank.
• Be careful not to let dust go in from the filler
opening when refilling with oil.
1. Stop the machine at levelled location.
2. Look at the oil level gauge (G) on the left
machinery cover to check if the oil level is
between "H" and "L".
Fig. 5-40
3. If there is not sufficient oil, refill with the
hydraulic oil using the following procedure.
(1) Remove the machinery cover as
described in "Removing Machinery
Cover" on page 5-18.
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