Johnson Level & Tool Mfg. 40-6690 User Manual

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Additional External Power Cables included
1) 12V adapter 2) Car adapter

Note: Recharge the battery when the battery indication shows low or
no power.

Using the Optional 40-6391 Adjustable Trivet Stand:
1. When a laser is to be set on a flat surface where the laser beam is
not centered in the pipe, use model 40-6391 Trivet Stand.
2. Using this system, the elevation of the laser beam can be set by
either measuring down from a grade offset hub outside the trench or
up from the floor of the manhole to the beam.

The pipe laser can be fixed to the 40-6391 adjustable trivet stand as
indicated by the picture below. Loosen the elevating lock knob to
adjust the height, loosen the TILT lock knob to adjust the TILT angle.

Laser Placement with leg sets:
Choose the different size leg sets for different size pipe. (6” or 150mm
(no legs), 8” or 200mm, 10” or 250mm, 12” or 300mm, 15” or
400mm, 21” or 500mm).

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