The Lower Chain can be adjusted on either or both sides of the dolly. To adjust
the tension, remove the lower cover plate over the motor and/or the accumulator. Locate the Tension Block Screw(7)
as shown in Figure S3.
Using a 3/16” hex key, loosen the screw about 1/2 turn as shown in Figure S4
Locate the Lower Tension Port(4) on the inner wall of the dolly .
Insert a 3/16” hex wrench into the port and adjust the tension screw as shown
in Figure S5.
After setting the proper tension, about 1/2” side to side movement of the chain,
tighten the Tension Block Screw and replace the lower cover plate.