Maeda D3001, Руководство по эксплуатации

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Section 5 – PERIODIC MAINTENANCE Mini-Crawler Crane M A E D A
5-52 3/2019 MC305C-3
• Oil drain pan: An 70 L container
• Quantity of oil for replacement: 55 L
1. Place the machine on a level surface.
2. See "OUTRIGGER SETTING" on page 4-36
and rotate the outriggers outward.
3. See "Removing Machinery Cover" on page
5-18 and remove the machinery cover.
4. Remove the filler cap (F) located on top of the
hydraulic oil tank.
Fig. 5-89
5. Place a drain pan directly underneath the
drain plug (P) to receive drained oil.
Fig. 5-90
6. Remove the drain plug (P) slowly to drain the
oil, keeping from contact with draining oil.
7. Check the drained oil. If check finds a
considerable amount of metal powder and
foreign objects, contact our sales service
agency
8. Put in the drain plug (P) and secure it.
9. Supply the hydraulic oil to a specified level
point from the filler cap (F), visually checking the
oil level gauge (G).
Fig. 5-91
10. Close the filler cap (F) after replenishment of
the oil.
NOTICE: Wipe off the oil completely if spilled.
11. See "Installing Machinery Cover" on page
5-18 and install the machinery cover.
12. Use the following procedure for air bleed.
(1) Start the engine with piping and hydraulic
equipment filled with oil.
Make sure the engine runs at low idle for
10 minutes.
(2) Move the cylinders and winch motor
slowly with a crane control lever at low idle
speed.
Always stop the boom lift cylinder and
telescoping cylinder approx. 100mm back
from the stroke end when operating the
cylinders.
Repeat this task 4 to 5 times.
(3) Allow all the outriggers to be extended,
referring to "OUTRIGGER SETTING" on
page 4-36. Extend and retract the
outrigger cylinder, keeping the machine
down on the ground.
Always stop the outrigger cylinder approx.
100mm back from the stroke end when
operating the cylinder.
Repeat this task 4 to 5 times.
13. See "OUTRIGGER STOWING" on page 4-45
to stow the outriggers.
Replace Oil in Slewing Reduction Gear
Case
WARNING! The drain plug of the slewing
reduction gear case is located directly
underneath the machine.
Place the outriggers and raise the machine
50 mm from the ground to allow a drain pan to
be placed under the machine for draining oil. If
the machine becomes unstable and wobbles,
insert supports under the front and back of
the machine to gain stability.
CAUTION:
• See "LUBRICATING OIL" on page 5-14 for
which oil to be used.
• Use seal tape, etc. at the thread of the filler
plug to stop the oil leak and securely tighten
the plug after refilling with the oil.