• Slide the clear cover off of the battery holder and
install the two D cell batteries. The orientation of the
batteries is shown on a label on the battery holder.
• Slide the clear cover over the batteries such that the
rubber pad is pushing against the batteries as shown
in the picture above
• Check that the o-ring in the endcap and the mating
surface on the main housing are clean. Lightly grease
with silicone grease as needed.
• Carefully insert the assembly back into the main
housing until the o-ring makes contact with the
housing. Align the thumbscrews with the holes in the
main housing and push the endcap on until it is flush
with the housing.
• Tighten the thumbscrews by hand (DO NOT USE
ANY TOOL). DO NOT OVERTIGHTEN.