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7. Inspection and Maintenance
7.1 Legal Inspection
If a periodic safety inspection is required by the laws and regulations of your country, perform that
inspection in addition to the inspection items listed below.
1. Verify that all safety devices are operating properly.
2. Check the hoist accessories, including the hook block, for problems or damage.
3. Check the structural parts of the machine, including the frame and boom, for cracks, deformation and
damage.
4. Check for loose or missing mounting bolts and joints.
5. Verify that the boom operates properly by stopping, extending, retracting, raising, lowering and
swinging the boom.
Contact Maeda or a Maeda sales service agency to request inspection and repair service as needed.
7.2 Consumables
Parts for mounting searcher hook are consumption articles. Replace it at periodic inspection or before it
reaches abrasion limits. Replace consumption articles regularly, which shall produce economical use of
this machine. Always replace to our genuine item. Check parts catalog for correct part number for parts
request.
[CONSUMABLES LIST]
Part Replacement
cycle
Searcher hook fix bolt M12x35L (4pcs)
Every 6 months or when damage, crack, or squash is
found
Searcher hook fix nut
M12x1grade (4pcs)
Every 6 months or when damage, crack, or squash is
found
Searcher hook fix washer
M12x3.2t (high tension)(8pcs)
Every 6 months or when damage, crack, or squash is
found
Items include a halt period. Contact Maeda or a Maeda sales service agency for part replacement
information.
7.3 Inspection and Maintenance List
This section only covers searcher hook kit. For crane body, please refer to “Inspection and Maintenance
in the MC-174C Operation Manual” and follow its precautions.
Inspection and maintenance items
Page
7.4.1 INSPECTION BEFORE OPERATION
14
[CHECKING BEFORE STARTING ENGINE]
14
[1] CHECKING BOOM AND BRACKET
14
[2] CHECKING SEARCHER HOOK FIX BOLTS
14
[3] CHECKING ELECTRICAL WIRING FOR DAMAGE
14
[CHECKING AFTER STARTING ENGINE]
15
[1] CHECKING FUNCTIONS OF BOOM
15
[2] CHECKING MOMENT LIMITER FOR OPERATION
(SEARCHER HOOK MODE)
15