Operating Guide

10
CONNECTING THE UPPER AND LOWER SHAFTS
1. Remove the protective cap from the upper shaft. If present,
remove the gray spacer from the coupler.
2. Set the unit on a flat, level surface.
3. Loosen the coupler bolt with a flat-head screwdriver (Fig. 7).
4. Align the release button with the guide recess (Fig. 8).
5. Push the coupler straight onto the upper shaft housing (Fig. 8).
6. Rotate the lower shaft housin
g unt
il the release button snaps
firmly into the locking hole (Fig. 9).
7. Tighten the coupler bolt securely with a flat-head screwdriver
(Fig. 7).
Fig. 7
Coupler
Lower Shaft
Housing
Upper Shaft Housing
Coupler
Bolt
WARNING:
To prevent serious personal injury or
damage to the unit, always make sure the release button is
fully snapped into the locking hole and the coupler bolt is
securely tightened before each use.
Fig. 9
Release Button
Locking Hole
Lower Shaft
Housing
Fig. 8
Release Button
Guide Recess
Coupler
Upper Shaft Housing