M A E D A Mini-Crawler Crane Section 5 – INSPECTION
1/2019 MC285C-3 5-25
Check Working Light Operation
1. Turn the Starter Switch to the ON position.
2. Turn on the Working Light Switch and verify
the working lights under the monitor turn on. If
the lights do not turn on, the working lights
may be faulty or the circuit may be open.
Repair or replace the working lights.
Fig. 5-29
The working lights do not operate when the
Starter Switch is in the OFF position.
Check Fuses
NOTICE: If fuses blow frequently, inspect and
repair the cause of failure immediately before
continuing operation.
See “FUSES” on page 5-15 for more information
on fuse locations.
If a fuse has blown or an open/short circuit is
found in the electrical wiring, contact us or our
sales service agency to request inspection and
repair service.
Check Cracks, Deformation or Damage
of Boom and Frame
Check the boom and frame for cracks,
deformation or any other damage, and correct
them if anything abnormal is found.
Check Deformation, Damage or Wear of
Wire Rope
Check the rope end fixing, rope take up condition
and contact between the ropes. For the check and
inspection of wire rope while winch and boom
telescoping, See “Wire Rope” on page 5-63.
Post-Start Inspection
Precautions
Perform the following inspections daily after
starting the engine. Review all procedures and
safety precautions in the following sections before
performing the following inspections:
• “Section 2 SAFETY”
• “STARTING” on page 4-20
• “STOPPING” on page 4-24
• “TRAVELLING CONTROLS AND OPERATION”
on page 4-25
• “CRANE OPERATION” on page 4-54
• “OUTRIGGER SETTING” on page 4-38
Perform the warm-up operation before performing
inspections that require the machine to be running.
See “WARM-UP” on page 4-22.
WARNING! Equipment Hazard. Failure to
perform these inspections may result in
machine damage and/or personal injury.
WARNING! Sudden Movement Hazard. Make
sure no person or object is within the boom
slewing radius area before starting the engine.
Fig. 5-30
WARNING! Sudden Movement Hazard. Sound
the horn before starting the engine.
WARNING! Fire Hazard. Never start the engine
by short-circuiting the starter circuit.
WARNING! Exhaust Hazard. Perform
inspections in open, well-ventilated areas.
WARNING! Equipment Hazard. Always repair
parts or systems before operating the
machine as needed.