Beacon - jcb JS300 Service Manual

Component Location
The machine is fitted with three separate beacon sockets.
– Socket 1 - is situated in the centre section of the
machine on the front edge of the top plate for
powering a cab mounted beacon which can be
selected to operate alone.
– Socket 2 - is located in the battery bay on the side of
the fuse / 24 – 12V converter cover
– Socket 3 - is located in the pump bay situated on the
upright of the door frame.
Sockets 2 and 3 are for counterweight mounted beacons if
required. These can only be selected together with the cab

beacon.

Overview
The beacon is operated from a three position rocker switch
in the right hand console.
Wires and Connectors
K Fig 8. Circuit ( T C-132)
24V is supplied to the 3 position beacon switch (C115)
from fuse 1 in the main fuse board (C100 X3).
Position 1 - is the OFF position
Position 2 - power is connected to the main cab roof
beacon (C025) via pin 3 of the switch through the
interconnector IC01.
Position 3 - power is connected to the rear beacons (C139,
C138) via pin 8 of the beacon switch through the
interconnector IC01.
C-131
Beacon
C025, C138, C139
Fig 7. Harness connectors C025, C138, C139 and C115
9813/5100-1
Section C - Electrics
Cab Systems and Lighting
C115
Beacon
C129480-C4.eps
C-131