Section 5 – PERIODIC MAINTENANCE
Mini-Crawler Crane M A E D A
5-34 9/2020 MC285CB-3
10. Install the inspection cover (1) and tighten the
mounting bolts (2) (4 bolts).
Fig. 5-50
11. Feed the gear oil through the oil inspection
plug hole using an oil pump (D).
Fig. 5-51
NOTE: Pour in the gear oil until it comes out of the
oil inspection plug hole.
12. After the replenishment of oil, securely
tighten the oil inspection plug.
NOTE: After changing the oil, operate the winch
for 5 minutes to lubricate all parts, without hoisting
load.
Replace Oil in Travelling Motor
Reduction Gearcase
CAUTION: See “LUBRICATING OIL” on page
5-7 for the oil to be used.
CAUTION: Use seal tape, etc. at the thread of
the drain plug and oil inspection plug to stop
the oil leak and securely tighten the plugs
after checking/refilling the oil.
• Oil drain pan: Prepare a container of at least 0.3
gal (1 L).
• Oil replacement quantity in travelling motor
reduction gearcase: 0.1 gal (0.33 L)
1. Place the machine on a level surface.
2. Move the machine forward and backward so
that drain plug (P) of the travelling motor
reduction gearcase will come to the bottom.
Fig. 5-52
3. Place a drain pan directly underneath the
drain plug to receive drained oil.
4. Remove the oil inspection plug (G).
5. Turn the drain plug slowly to avoid splashing
oil on yourself, and drain oil.
6. Check the drained oil and if it contains an
unacceptable amount of metal particles or
foreign matter, contact us or our sales service
agency.
7. Securely tighten the drain plug.
8. Feed the gear oil through the plug hole of the
oil inspection plug.
NOTE: Pour in the gear oil until the oil comes out
of the oil inspection plug hole.
9. Securely tighten the oil inspection plug after
refilling the oil.