Service manual
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SL07, SLC310 & SLC410
Compact 3-5nm+ Solar Marine Lanterns
How to Change the Regulator (SLC310 & SLC410 Models)
1.  Remove the 4 x M6 x 20 socket head cap screws and 4 x M6 nylon washers, then disconnect the 
light head from the chassis.
2.  Remove the 2 x M4 x 20 socket head cap screws, 2 x M4 spring washers and 2 x M4 penny 
washers then remove the upper battery bracket containing the regulator.
3.  Disconnect the battery. 
4.  Take note of the wire colours and location in the regulator.
5.  Disconnect the wires from the regulator.
6.  Remove the 2 x M4 CSSK screws, 2 x M4 nylock nuts and 2 x M4 penny washers that retain the 
regulator to the top battery bracket and remove the regulator.
7.  Fit the new regulator using the 2 x M4 CSSK screws, 2 x M4 penny washers and 2 x M4 nylock 
nuts.
8.  Connect the solar positive wires to the S points on the regulator.
9.  Connect the solar negative wires to the S points on the regulator.
10.  Connect the battery positive wires to the B point on the regulator.
11.  Connect the battery negative wire to the B point on the regulator.
12.  Reconnect the battery.
13.  Ret the battery top bracket into the solar unit using the 2 x M4 x 20 socket head cap screws.
14.  Ensure the top O-ring is sitting correctly into the top casting. Ret the light head and tighten 
the M6 x 20 socket head cap screws with the 4 x M6 nylon washers evenly. DO NOT 
OVERTIGHTEN.
Use the label to ensure correct location 
of wires during assembly
SL10 AMP Regulator shown when  
correctly tted
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