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You are here: Home / Picture Tutorials, Videos and maintenance information / Installing the Grass Compression Gland

Installing the Grass Compression Gland

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Watch this tutorial on YouTube

You will first need to remove the current Compression Gland System from the chamber lid. This can be done by simply unscrewing the Compression Gland Screw and then removing the 4 brass screws underneath the lid.

Installing the grass compression gland PMS Instruments

Assemble all the above parts.

From left to right – (Chamber Lid, 4 brass screws, 4 O-rings (size 006), Grass Compression Gland, Grass Gasket, Grass Compression Gland Insert, Friction Washer and Compression Gland Screw.

Installing the grass compression gland PMS Instruments

Ensure the lid is free of dirt and debris.

Installing the grass compression gland PMS Instruments

Lubricate O-Rings with petroleum jelly (lightly) then install into screw holes.

Installing the grass compression gland PMS Instruments

Slide Grass Compression Gland into place – align with screw holes.

Installing the grass compression gland PMS Instruments

Turn lid over and prepare gasket – ensure it is clean.

Installing the grass compression gland PMS Instruments

Place gasket into gland. Align the slit in the gasket and gland.

Installing the grass compression gland PMS Instruments

Install Grass Compression Gland Insert – flat side up.

Installing the grass compression gland PMS Instruments

Place Friction Washer on top of Insert.

Installing the grass compression gland PMS Instruments

Installing the grass compression gland PMS Instruments

Screw the Compression Gland Screw into the Gland.

The final product should look like the above.

Using the Grass Compression Gland

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More Resources:

  • Instruments
    • Instrument Quick-Connect Couplers
    • Filling the Model 610 internal Portable Tank
    • Filling the Model 615, Model 615D or Model 1515D Internal Tank
    • Filling the Portable Tank
    • Sealing a sample in the Compression Gland Cover
    • Setting the Rate Valve
    • What it should look like when it’s all hooked up
  • Making the Measurements – Plant Moisture Stress
    • Interpreting Data
    • Making the Measurement of the Plant Sample
    • Measuring Leaf Water Potential in Wine Grapes
    • Measuring Stem Water Potential (SWP)
    • Measuring Stem Water Potential in Almond Trees
    • Measuring Stem Water Potential in Prune Trees
    • Measuring Stem Water Potential in Walnut Trees
    • PMS – Meaning and Importance
    • Stress levels, crop tables and information
    • Using a Pressure Chamber with Almond
    • Using a Pressure Chamber with Walnuts
    • Using a Pressure Chamber with wine grapes
    • Using a Pressure Chamber with Prunes
    • What kind of plants can be measured?
    • When to make measurements
  • Accessories to Nitrogen Gas Units
    • Installing the Almond Compression Gland Gasket and Insert
    • Installing the Grass Compression Gland
    • Using the Grass Compression Gland
    • Pressure Regulators: Do I need one?
    • Using the Grass Compression Gland with corn
    • Sealing a sample using inserts, gaskets and tools
    • Standard Sealing System

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