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6.3 PRE-OPERATION INSPECTION
6.3.1
INSPECTION BEFORE STARTING ENGINE
Check the following in this section without starting the engine and before work every day.
[1] Inspection of boom and bracket
Check for any cracks, significant deformation or dirt in the boom and bracket. Also, check for loosened,
missing or damaged bolts, nuts, and pins. Repair if any abnormality is found.
[2] Inspection of searcher hook mounting bolts
If any damage to searcher hook mounting bolts is found, replace them immediately with new
ones.
Bolts may break and the searcher hook may fall.
Check bolts for cracks, damage, or deformation. If there is an abnormality, replace the bolt with a new one,
even if it is before its normal replacement time.
[3] Inspection of hook
• Check that the wire rope latch is working properly. Replace or
repair if any abnormality is found.
• Rotate the hook and check that it rotates smoothly with no
abnormal sounds. Replace or repair if any abnormality is
found.
• Check the hook for any cracks or significant deformation.
Replace or repair if any abnormality is found.
• Replace the hook when its dimensions reach the replacement
standards below.
Standard
dimensions
Replacement
standards
a
37 mm
38.9 mm or more
b
25 mm
23.7 mm or less
[4] Application of grease
Wipe clean remaining old grease from the contact surface (3)
between the shackle (2) and E boom hole, and the contact
surface (4) between the hook (1) and shackle (2) and apply
new grease.
CAUTION
Applying grease reduces wear on the contact
surfaces, making it possible to extend the life of parts.
Содержание CC423S-1
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Страница 251: ...243 2 SPECIFICATION DIMENSIONAL DRAWING...
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Страница 262: ...254 3 MONITOR INDICATION 1 Searcher hook selector switch 2 Searcher hook position display...
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