C-Dax pasture meter+ Operation Manual Download | Manualshive

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DIY Calibration Method

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Seasonal Equations

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Summary of Contents for pasture meter+

Page 1: ...1 Operation Manual Version 2400 6640 7 July 2022...

Page 2: ...0 This section contains Introduction Important Safety Warning Important Safety Information Table of Contents Warranty Disclaimer Limit of Liability SECTION 1 Introduction...

Page 3: ...parameters need to be respected We thank you for making this investment and assure you of our attention at all times IMPORTANT SAFETY WARNING The C Dax Pasture Meter is designed specifically to be tra...

Page 4: ...to equipment that is loaned or rented to someone who has not read the owner s manual and is not familiar with the operation of the equipment NEVER EXCEED THE LOAD LIMIT CAPACITY OF THE ATV OR OTHER V...

Page 5: ...ar 8 Adjusting the angle of sled 8 Check Clearance on sled movement 10 Understanding the Sensor 12 Understanding Pasture Covers 14 Pasture cover equation adjustment 14 Maintenance 15 Maintaining Your...

Page 6: ...pair or replace the defective equipment or part of the equipment or notify the retailer of the equipment to refund the purchase price for such defective equipment to you in the event of a breach of th...

Page 7: ...ttack ii has been built to a customer s specifications or iii has been dismantled repaired or serviced other than by an authorised service agent of C Dax d for loss or damage caused by any factors bey...

Page 8: ...1 This section contains General Description The Sled Assembly Safety Warning The Sensor The Indicator Console SECTION 2 General Descriptions...

Page 9: ...es tracks and which can be raised to allow the sled to run directly on the ground in the measurement position The wheels then act as outriggers for stability The Pasturemeter has been designed to meas...

Page 10: ...structural strength and the weight necessary to keep the sled on the ground Special blade like fixtures have been built into the feet of the frame to stabilise tracking during operation The wheels are...

Page 11: ...nd regular inspection of the polycarbonate windows will ensure reliability of results The Sensor The sensor consists of 18 light beam emitters at 20 mm spacings on one side of the sensor frame and 18...

Page 12: ...rall reading The height shown on the indicator console in mm is the number of light paths broken at any instant multiplied by 20mm plus the 10mm adjustment For example 7 light paths broken records as...

Page 13: ...6 This section contains Sled Setup The Indicator Console Operating Hints Understanding the Sensor Understanding Pasture Covers SECTION 3 Assembly and Setup...

Page 14: ...t that the sled be slightly raised at front to allow easy passage over terrain If angled downwards the front of the sled is likely to dig into the ground Particular care should be taken in conditions...

Page 15: ...drawbar bolts and select the appropriate angle depending on towing vehicle and terrain Experience will determine the best angle for the terrain being traversed The operator should exercise care and c...

Page 16: ...ustrations Should the angle be satisfactory as it is then tighten the bolts as shown Once the sled is correctly adjusted the equipment is ready for use 5 adjustment positions each side for angle of sl...

Page 17: ...pipe or hot exhaust emissions CAUTION Exercise caution around the moving parts of the Pasturemeter The sled will automatically return to its wheels down state whenever power is initially connected Kee...

Page 18: ...e tyre Lower tyre pressures should be maintained on rougher terrain If sled bounces excessively try lowering the tyre pressures A starting point would be 135 kPa 20 Psi DANGER Do not attempt to revers...

Page 19: ...terial with a soft damp cloth Should this not rectify the situation please refer to the trouble shooting tips at the end of this manual Placing an object or hand between the sensor side arms will resu...

Page 20: ...covering the light beams becomes dirty NOTE The following applies to both sides of the sensor Keep clear poly carbonate clean Warning Do NOT use cleaning objects likely to damage the polycarbonate Me...

Page 21: ...on designed for use in Winter may be appropriate all year round As a starting point use the following equation KgDM ha Pasture height x 18 6 750 Pasture cover equation adjustment If low covers are rea...

Page 22: ...15 This section contains Maintaining your Pasturemeter Removing the Shroud Removing the Sensor Dispatching for Repair SECTION 4 Maintenance...

Page 23: ...re tight 3 Do not adjust the screws which bolt the sensor together These screws are torque set and sealed against the ingress of water The lid is also sealed in place with sealing compound Note Remova...

Page 24: ...r of the ATV These components must be carefully put aside while any welding work is undertaken Welding sets up high circulating currents in the steel framework and these can damage or destroy the sens...

Page 25: ...button head bolts on the inside face of the main sled The drawbar can then be pulled out toward the tow coupling Once the drawbar is removed there are two bolts at the rear of the unit and two bolts a...

Page 26: ...ous page Ensure that the power cable plug is disconnected Undo remove the three cable clips which hold the power and actuator cable in place Unscrew the 2 round plugs coming out from the front of the...

Page 27: ...ght hand side of the frame and one is located on the underside of the top crossmember Remove the cable from the actuator by undoing the M10 shoulder bolt on the moving end of the actuator With this en...

Page 28: ...remove the plug NOTE The actuator plug only goes in one way The incut portion of the plug is on the side indicated by the red arrow in the adjacent photo Now that both the power cable and the actuator...

Page 29: ...d the cable protector power cable back in order to more thoroughly investigate faults Both legs of the sensor must be securely wrapped in suitable packaging material eg bubble wrap cardboard etc All r...

Page 30: ...23 This section contains Exploded parts diagram Parts list SECTION 5 Parts...

Page 31: ...24 Exploded Parts Diagram...

Page 32: ...4 3310 6008 Fastener Washer Flat M8 ZP 21 2 3310 6010 Fastener Washer Flat M10 ZP 22 6 3322 7010 Fastener Washer Shakeproof Internal Star M10 304 SS 23 6 3322 7012 Fastener Washer Shakeproof Internal...

Page 33: ...26 This section contains DIY Calibration Method Seasonal Equations SECTION 6 Quick Reference...

Page 34: ...paddocks to calibrate against Pre Grazing post grazing and in between approximately 5 paddocks 2 Turn your Pasturemeter on and set the units to mm 3 Sit the Pasturemeter over each of your pastures of...

Page 35: ...J i e 1200 1560 360 Step 3 Calculate Column E Square each entry in Column C i e 40 x 40 1600 Step 4 Calculate Column F Multiply each entry in Column C by its corresponding entry in Column D i e 40 x 3...

Page 36: ...the y axis of a graph c see below The parameters are used to convert pasture height to pasture dry matter using the formula below kgDM ha Pasture height x Slope Intercept N B Use the form on the prev...

Page 37: ...ht x Slope Intercept kgDM ha 110 x 18 6 750 2796 kgDM ha During 2008 AgResearch DairyNZ and Massey University with the support of Pastoral 21 Feeds Program conducted extensive independent calibration...

Page 38: ...ble Use the following table to select the suggested Pasture Cover Equation Month Multiplier FACTr Constant ConSt Winter 18 6 750 October 15 3 1358 November 16 0 1530 December 18 6 1818 January 21 9 19...

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