Section 5 – PERIODIC MAINTENANCE
Mini-Crawler Crane M A E D A
5-32 1/2019 MC285C-3
Periodic Maintenance Procedures
Before performing any of the maintenance or
inspection procedures, read “GENERAL
MAINTENANCE INFORMATION AND
PRECAUTIONS” on page 5-2.
After Initial 10 Hours of Operation
The following maintenance should be performed
after the first 10 hours of operation.
• Grease Machine Units - See “Grease Machine
Units” on page 5-34.
After Initial 50 Hours of Operation
The following maintenance should be performed
after the first 50 hours of operation.
• Replace Oil in Hydraulic Oil Tank -
See “Replace Oil in Hydraulic Oil Tank” on page
5-47.
• Replace Hydraulic Oil Return Filter -
See “Replace Hydraulic Oil Return Filter” on
page 5-42.
• Replace Engine Oil - See “Replace Engine Oil”
on page 5-39.
• Replace Engine Oil Filter Cartridge - See
“Replace Engine Oil Filter Cartridge” on page
5-40.
• Check / Adjust Alternator Belt Tension - See
“Check / Adjust Alternator Belt Tension” on page
5-38.
After Initial 250 Hours of Operation
The following maintenance should be performed
after the first 250 hours of operation.
• Replace Oil in Slewing Reduction Gearcase -
See “Replace Oil in Slewing Reduction
Gearcase” on page 5-48.
• Replace Oil in Winch Reduction Gearcase -
See “Replace Oil in Winch Reduction Gearcase”
on page 5-49.
• Replace Oil in Travelling Motor Reduction
Gearcase - See “Replace Oil in Travelling Motor
Reduction Gearcase” on page 5-51.
Maintenance Every 30 Hours
Check / Clean Air Cleaner Element
WARNING! Do not clean and replace the air
cleaner element when the engine is in rotation.
Such action may cause damage to the engine.
WARNING! Use of compressed air when
cleaning the element causes particles to
become airborne. Always wear protective
goggles to prevent damage to eyes.
CAUTION: Clean the air cleaner element every
250 hours as a guideline. Assure pre- or
post-work cleaning when using the machine in
a dusty site.
CAUTION: Do not tap and bump the element
while cleaning it.
CAUTION: Avoid the use of an element if the
groove, gasket, or sealing is damaged.
CAUTION:
• If the air cleaner element is damaged,
replace with a new one before the scheduled
replacement date.
• Always use Maeda genuine elements.
1. See “Removing Machinery Cover” on page
5-14 and remove the machinery cover.
2. Disengage the two clamps (1) and remove
the dust pan (2).
Fig. 5-47
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