Johnson-level-tool-mfg 40-6184 Instrukcja Użytkownika Pobierz pdf (Strona 11)

Vertical bubble vial check

Put the laser on a smooth and vertical plane, like fixed and firm win-

dow glass, and then check according to steps as follow:

Step 2 Rotate unit 180 degrees.

If the laser is in vertical, the bubble vial position should be as follows:

Step 1

Step 3

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Johnson-level-tool-mfg 40-6184 Instrukcja Użytkownika Strona 11