Maeda MC305C-3 - Replace Engine Oil and Oil Filter

M A E D A Mini-Crawler Crane Section 5 – PERIODIC MAINTENANCE
3/2019 MC305C-3 5-41
Maintenance Every 250 Hours
Perform this maintenance in tandem with
maintenance every 50 hours.
Replace Engine Oil and Oil Filter
WARNING!
• •he drain plug of the engine oil pan is
located directly underneath the machine.
Place the outriggers and raise the machine
50 mm from the ground for draining engine
oil.
Insert square timbers between both rubber
track and the ground to gain stability for
safety assurance.
• Make sure the oil level gauge is secured
properly after inspection and replenishment
of the oil. Potential fall of the oil level gauge
during operation may occur if disregarded,
which could cause boiling oil to gush that
results in burns.
• All the parts will be at elevated temperatures
immediately after engine operation, which
urges you not to replace oil and the filter
cartridge.
Always perform replacement with the engine
cold to touch.
CAUTION:
• Ensure that no old gasket adheres to the
filter stand. Potential oil leak may occur if
old gasket remains on the stand.
• Be sure to use oil specified in section "Use
of Lubricating Oil according to
Temperatures" in Inspection and
Maintenance. Failure to use proper oil may
cause the engine to shorten its useful life.
Always use the specified oil for
replenishment.
• The engine oil must be maintained at a
proper amount.
• The complete draining of oil is disabled if
the engine becomes cold completely. Oil
draining is allowed when the engine is cold
to touch.
• Keep impurities out of the filler cap when
replenishing oil.
• Oil drain pan: An 8-L container
• Quantity of oil for replacement: 3.1L
1. Place the machine on a level surface.
2. See "OUTRIGGER SETTING" on page 4-36 to
set the outriggers and raise the rubber track for
about 50 mm from the ground.
WARNING! Check the following before
crawling under the machine:
• Ensure that the outriggers are extended at
the maximum.
• Visually check the level to make sure the
machine in a horizontal position.
• Insert solid blocks between the crawler and
the ground to keep the machine raised.
Fig. 5-62
3. Crawl under the machine and place a drain
pan directly underneath the drain plug (P) at
the bottom of the engine oil pan to receive
drained oil.
Fig. 5-63
4. See "Removing Machinery Cover" on page
5-18 and remove the machinery cover.
5. Remove the drain plug (P) slowly to drain the
oil, keeping from contact with draining oil.
6. Check the drained oil. If check finds a
considerable amount of metal powder and
foreign objects, contact our sales service
agency.
7. Put in the drain plug (P) and secure it.