Metrologic Instruments IS4921 - Manual (Page 14)

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IS4910-02 / IS4911-02 Non-Decode Engine Dimensions
The -02 models include two Ø .075" [1.9 mm] blind holes for mounting the engine with self-tapping screws.
Two additional M2 x .4 threaded inserts are provided as a secondary mounting option. The threaded inserts
are located on tabs that extend from the sides of the engine's chassis. A keying location point is provided on
the bottom of the engine to assist with alignment.
Warning: The limited warranty (on page 49) is void if the following recommendations are not adhered to when
mounting the engine.
When securing the engine with self-tapping screws:
• Use M2.2 x 4.5 Philips pan head, type AB, steel, zinc clear, trivalent self-tapping screws.
• Do not exceed 1.75 +0.5 in-lb [2.02 +6 cm-kg] of torque during screw installation.
• Use a minimum mount thickness of 0.3 mm.
• Use safe ESD practices when handling and mounting the engine.
When securing the engine by utilizing the M2 threaded inserts:
• Use M2 x 0.4 Philips Pan Head, Type AB, Steel, Zinc Clear, or equivalent screws.
• Do not exceed 2.5 in-lb [2.88 cm-kg] of torque during screw installation.
• Use a minimum mount thickness of 0.3 mm.
• Use safe ESD practices when handling and mounting the engine.
See Figure 10 on page 9 for detailed engine dimensions.