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4.8 ELECTRICAL HORN
Checking of electrical horn:
Turn the main switch to“
”. The horn should sound when pressing the horn button.
Check the coupler of horn to main cable for continuity. Check the horn button for short or broken circuit and poor connection. If any trouble is detected, remedy it or
replace the faulty part. If the horn fails to sound or sound weakly, turn the adjusting screw of horn sound until meeting the requirements. Replace the damaged horn
with a new one of the same specification.
No sound of horn is one of commonly troubles. It can be divided into two kinds as follow: a electric circuit and a horn inside.
1
)
Check the electric circuit
When the horn is out of work,
first check the fuse, then
check
the circuits of horn. If above-mentioned parts are good, it means that there is probably a problem on
the horn.
2
)
Horn
When examining the horn, the following faults are likely to be detected: erosion appeared on the connectors, damage to coil, diaphragm broken, etc. Among which,
erosion appeared on connectors is the most common. Erosion forming on the surfaces of connectors has a process of development as follows: horn sounds later when
pushing the button, no sound, small sound, discontinuous sound in due succession. In this case, erosion appeared on the connectors is considered as a trouble cause.
COUPLER OF HORN
TO MAIN CABLE
ADJUSTING SCREW OF
HORN SOUND
Содержание LF200-10P
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