Mini-Crawler Crane M A E D A Section 5 – PERIODIC MAINTENANCE
1/2019 MC405C-3 5-43
Maintenance Every 100 Hours
Perform this maintenance in tandem with
maintenance every 50 hours.
Check Oil Level and Refill Oil in Winch
Reduction Gear Case
WARNING!
• Oil will be at elevated temperatures
immediately after engine operation, which
urges you not to unplug the inspection port.
Unplug the port with the oil cold.
• Always perform inspection and
replenishment of oil with the engine
stopped.
CAUTION:
• For more information on the which oil to be
used, see "LUBRICATING OIL" on page 5-
14.
• 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.
• Hexagonal wrench for plug removal: 8mm
1. Place the machine on a level surface.
2. See "OUTRIGGER SETTING" on page 4-42
to rotate the rotary of the "outrigger [4]"
outward.
3. Rotate the winch slowly until the oil
inspection plug (G) reaches a point where it
can be seen through the post side inspection
hole (A).
Fig. 5-86
4. Use the hexagonal wrench (C) to loosen the
oil inspection plug (G). Check if the gear oil
exudes from the oil inspection plug (G).
Fig. 5-87
5. If check finds no exudation of the gear oil,
rotate the oil inspection plug (G) slowly to
remove it. Replenish gear oil with the use of
an oil pump (D).
Fig. 5-88
NOTICE: Wipe off the oil completely if spilled.
6. Put in the oil inspection plug (G) and secure
it upon completion of oil replenishment.
7. See "OUTRIGGER STOWING" on page 4-
49 to stow the outriggers.