1.Insert the tip of a screwdriver into the latch area of the vacuum inlet.
Latch Area Blower
Outlet
Latch 
Area
Vacuum Inlet Cover
2.Gently tilt the handle of the screwdriver to- ward the front of the unit to release the latch while pulling up on the vacuum inlet cover with your other hand.
3.Hold the vacuum inlet cover open until up- per vacuum tube is installed.
Vacuum
Inlet
Cover
c 
Vacuum Inlet
4.Align the tabs on the inside of the vacuum in- let with the slots on the upper vacuum tube.
Tab
Slot
5.Push the upper vacuum tube into the vac- uum inlet. Turn the tube counterclockwise until a click is felt to secure the tube to the blower unit.
6.Align slanted end of lower vacuum tube as shown. Firmly push lower vacuum tube into upper vacuum tube.
Slanted end of lower vacuum tube
HOW TO CONVERT UNIT FROM VACUUM USE TO BLOWER USE
1.Remove the elbow tube and vacuum bag by turning the knob counterclockwise to loosen the elbow tube.
2.Remove the vacuum tubes by turning the tubes clockwise.
3.Close the vacuum inlet cover and make sure it is latched closed.
4.Reinstall the blower tubes (see BLOWER TUBE ASSEMBLY).
SHOULDER STRAP ADJUSTMENT
1.Hold the unit as shown with the muffler side facing away from your body and clothes.
2.Pass the shoulder strap over your head and onto your right shoulder.
3.Extend your left arm toward the rear of the vacuum bag.
4.Adjust shoulder strap until the vacuum bag/shoulder strap seam lies between your thumb and index finger.
5.Make sure air flows freely from the elbow tube into bag. If bag is kinked, the unit will not operate properly.