M A E D A Mini-Crawler Crane Section 5 – PERIODIC MAINTENANCE
1/2019 MC285C-3 5-51
Replace Oil in Travelling Motor
Reduction Gearcase
CAUTION: See “LUBRICATING OIL” on page
5-10 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. 5-93
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.
Maintenance Every 2000 Hours
Perform this maintenance in tandem with
maintenance every 30/50/100/250/500/1000
hours.
Inspect / Adjust Engine Valve Clearance
Inspection and adjustment of valve clearance
require special tools. Contact us or our sales
service agency.
Check Alternator and Starter
There may be a wearing down of the brush and
insufficient grease. Contact us or our sales
service agency.
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