Delta-T RWC-UM-2 User Manual

Root washer

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User Manual for the

Root Washer

type RWC

RWC-UM-2

DELTA-T DEVICES

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Page 1 User Manual for the Root Washer type RWC RWC-UM-2 DELTA-T DEVICES...
Page 2 Installation Guide Root Washer Version 2 Editor: N Webb Document code: RWC-UM-01-3 Date: Feb1995, last revised Aug 2001 Delta-T Devices Ltd 128 Low Road, Burwell Cambridge, CB5OEJ, England Telephone: 01638 742922 International + 44 1638 742922 Fax: 01638 743155 International + 44...
Page 3 © Delta-T Devices Ltd., 1995 All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under copyright laws. Delta-T is a UK registered trademark of Delta-T Devices Ltd.
Page 4: Table Of Contents
Table of Contents INTRODUCTION BASIC ROOT WASHER OPTIONAL TANK OPTIONAL PUMP WARNINGS BASIC ROOT WASHER ASSEMBLY HOSES AND CONNECTIONS BUCKET, TABLE AND NOZZLES PUMP AND TANK INSTALLATION PUMP ELECTRICAL SAFETY INSTALLATION HOW TO USE THE ROOT WASHER HOW IT WORKS STEP BY STEP SPECIFICATIONS, PARTS AND ACCESSORIES Basic Root Washer System : type RWB...
Page 5 SERVICING, WARRANTY AND REPAIRS Replacement parts. Servicing the Pump WARRANTY SERVICE...
Page 6: Introduction
The Delta-T Root Washer has evolved from a design used by CSIRO Cunningham Laboratory in Brisbane, Australia. This was modified by Kirchhof & Pendar (authors of the Delta-T SCAN image analysis software) who produced designs for a do-it-yourself kit published in the Delta-T SCAN User Manual.
Page 7: Warnings
WARNINGS PERSONNEL PROTECTIVE EQUIPMENT Non-slip footwear and waterproof clothing are recommended, particularly in colder climates. Protective eyewear is not normally required, but there is some water spray from the buckets when the root washer is first connected to the water supply.
Page 8: Basic Root Washer Assembly
UNPACKING Carefully remove all packing material and keep it safe so that it can be re-used to transport the system in the future. Using the packing list(s), make sure that the consignment is complete. Identify each component using the parts lists and drawings in this manual. Check for damage.
Page 9: Hoses And Connections
HOSES AND CONNECTIONS HOSE AND CONNECTORS List of parts 1. Tap connnectors : 22mm , 3/4", 1/2", 5/8" (x1) 7. 4-way tap connector (x1) 2. Push-fit hose connectors (x8) 8. 0.5M of 12.5mm dia hose (x4) 3. 20M of 12.5mm dia hose (x1) 9.
Page 10: Bucket, Table And Nozzles
BUCKET, TABLE AND NOZZLES BUCKET, TABLE & NOZZLES List of Parts 12. Root Bucket (x4) 13. Washer Downpipe (x4) 14. Nozzle Jet Assembly (x8) 15. Downpipe Collar (x4) 16. Table Funnel (x1) 17. Root Collection Funnel (x4) 18. Root Filter 550 micron (x4) 19.
Page 11: Pump And Tank Installation
PUMP AND TANK INSTALLATION TO ROOT WASHER LIST OF PARTS Page 6 _____________________________________________...
Page 12: Pump
PUMP The root washer stands in the centre of the tank with the pump underneath. The pump stands in the water and draws it through its base filter, up through the body and out at the top. It is designed so that is does not require any priming but it must not be allowed to run dry for many minutes.
Page 13: How To Use The Root Washer
HOW TO USE THE ROOT WASHER HOW IT WORKS The Delta-T Root Washer comprises 4 buckets modified with a central overflow downpipe. Water from two jets at the base of each bucket swirls around and up, teasing roots and soil apart. The lighter roots float up with the water flow, into the central overflow pipe, and are then caught in a 550 micron mesh filter in a funnel under the table.
Page 14 10.Pour the remaining water and roots into the funnel, leaving any remaining stones and sediment in the bucket. 11.Empty the stones and sediment out of the bucket. Do not pour this debris into the funnel or the recirculation tank. 12.Remove the roots from the filter and store them safely in one of the containers provided.
Page 15: Specifications, Parts And Accessories
SPECIFICATIONS, PARTS AND ACCESSORIES Basic Root Washer System : type RWB Includes 4 buckets each with 2 water jets, table, funnels with filters, pistol-type spray gun, water hoses and connectors, isolation valves, 30m of ½ inch (12.5 mm) input hose, plastic containers for holding washed samples, and a consumables kit.
Page 16: Optional Extras And Accessories
the mains and frequency. Further details about the pump and tank are given overleaf. Optional Extras and Accessories Water Tank : type RWT This is a shallow, cylindrical, open topped, UV-protected, polypropylene tank, diameter 4 ft (1.22 m), height 14 inches (35 mm). The Basic Root Washer stands in it from which it catches the dirty water, which can either be recycled using the pump, or drained away via an overflow pipe with tap and 5 m of ½...
Page 17 The only component requiring regular servicing is the optional water pump, which has been chosen because it is designed to work or long periods of time in dirty water. Delta-T offer an optional spares kit, type SKP, which includes those parts which may need replacing after many hours of service.
Page 18 They will have to be returned to the original manufacturer for servicing, and may be subject to additional delays. Users in countries which have a Delta-T Representative should contact them first. ____________________________________________Page 13...