System Functions
Safety, Operation and Maintenance Manual - Aug 2012
3-34
SY115C9/135C/155H Crawler Hydraulic Excavator
4
3
2
1
CZ335-1103248
b. Two(2) work lamps on the boom
2. Work lamp external structure
(1) Work lamp seat
(2) Two-wire socket jacket
(3) Nut
(4) Work lamp screw
3. Work lamp internal wiring
(5) Power supply grounding wire
(6) Internal power supply positive socket
(7) Bulb power supply positive plug
(8) Bulb
Note:
The bulb is connected with power supply posi-
tive harness plug.
CZ335-1103040
7
6
5
8
CZ335-1103250
Fig. 3-35
Fig. 3-36
Fig. 3-37
4. Replacing the bulb
1) Remove work lamp screw and open the
work lamp.
2) Remove the bulb and pull out the plug
(7) from the socket (6).
3) Install a new bulb and insert the power
supply positive plug into the socket (6).
4) If the harness is exposed after wiring,
use insulation tape to wrap it properly.