Nathan AP Pro Assembly And Set-Up Manual page 10

STEP 5
To remove the bottle for cleaning and
transportation, use the same process
as when you removed it from the cage
when unboxing. Place your thumbs
in the depressions, pull the side arms
apart, and lift the bottle free. DO NOT
PULL UP ON THE BOTTLE without first
releasing the cage sidewalls.
REMOVAL OF BOTTLE
FROM CAGE
9