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Summary of Contents for STI P/M STI-4430
- Page 1 Operating Manual STI-4430 STI-4438LP STI-4430 STI-4438LP Propane...
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Page 2: Table Of Contents
Troubleshooting / Diagnostics ......22 STI Reference Guide & Procedures ......24 Please note: The following safety instructions must be followed as shown in this operating manual. -
Page 3: Technical Data
Operating Manual STI-4430 | STI-4438LP 1.0 Technical Data Rating Unit Specifications Operative Range and Correct Usage Stand-by Power Supply (Generator) Advice for Operators of Grinding Machines Machine Type Designation Rating Machine: Prep/Master Grinder ® Machine-Type: STI-4430 | STI-4438LP Manufacturer: Substrate Technology 1384 Bungalow Rd. - Page 4 Operating Manual Operative Range and Correct Usage The Prep/Master STI-4430 | STI-4438LP is designed to be used on clean, dry or wet ® horizontal surfaces without obstacles. The machine cannot be used for other purposes. The manufacturer will not be liable for damages resulting from such incorrect usage. In case of wrong usage the user is responsible for all risks.
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Page 5: Safety Instructions
Operating Manual STI-4430 | STI-4438LP 2.0 Safety Instructions Explanation of Warnings and Symbols Organizational Measures Personnel Selection and Qualification Safety Precautions Applicable to Different Operating Conditions Repair Work, Maintenance Activities, and Default Repair on the Job Site Definition of the Safety-off Position... -
Page 6: Organizational Measures
STI-4430 | STI-4438LP Operating Manual Organizational Measures The Operating Instructions are to be kept near the location where the machine is located and must be reachable all the time! In addition to the Operating Instructions, general and legal regulations regarding accident prevention... -
Page 7: Personnel Selection And Qualification
Operating Manual STI-4430 | STI-4438LP Personnel Selection and Qualification Only reliable personnel are allowed to work on the machine or operate the machine. Note the statutory minimum age. Specify clearly the responsibilities of personnel for operation, setting up, servicing and maintenance work. Define his/her responsibilities also with regard to traffic safety regulations and empower him/her to decline instructions from third parties which are not complying with the safety requirements. -
Page 8: Definition Of The Safety-Off Position
STI-4430 | STI-4438LP Operating Manual Repair Work, Maintenance Activities, and Default Repair on the Job Site Before starting any servicing work on the machine, put the machine in the Safety off position as described in chapter 2.5 in order to prevent the machine from being switched on accidentally. -
Page 9: Electrical Engineering Regulations
• Switch off the dust collector. • Wait for standstill of all drives. • Pull out main plugs (STI-4430). / Turn off propane supply at tank and remove key from ignition (STI-4438LP). • Secure the machine against unintended start up. -
Page 10: General Information
® that is used for preparation and polishing of horizontal surfaces. Grinding the surface according to STI specifications thoroughly removes surface contaminants, coats of paint, sealants, and thin coatings. A suitable filter unit must be connected to the machine in order to thoroughly collect the dust being produced by the grinding process. -
Page 11: Rocker Switch
Operating Manual STI-4430 | STI-4438LP Operating Features - STI-4430 The Variable Speed Drive is carrying all controls and instruments used for supervision and control of the machine. Key Button Controls Start/ Stop Pushing the Key Button "Start" will switch the controls on and start the motor. Pushing the Key Button “Stop”... - Page 12 STI-4430 | STI-4438LP Operating Manual Exploded Diagrams & Part Numbers Item # Part # Description 322090000 Bearing w/Race 473372200 Oil Seal 880001172 Helical Gear Key (SM-072) 881102012 Woodruff Key 3/8 x 1 1/4 881121405 Shim .005 881121407 Shim .007 881121420 Shim .020...
- Page 13 Rubber Dust Band - STI-4430 400309130 Handle Grips 10267-05611 Rubber Isolation Mounts 2 each 66112 (pin) & Clevis Pin & Clip 45286 (clip) 42#PW Pocket Weights 420044304 Stainless Steel Adjustable Shroud - STI-4430 421131914 Spinner Nut 420312044 Lower Dust Skirt - STI-4430...
- Page 14 STI-4430 | STI-4438LP Operating Manual Item # Qty. Part # Description 900002625 Muffler 900822768 Pre-foam Air Filter (inside #3) 900822769 Air Filter Element (inside #4) 900065411 Air Filter Assembly 900003305 Bonnet Filter 481001705 Propane Tank 900004359 Battery - 12V 900002606...
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Page 15: Electric Motor
Operating Manual STI-4430 | STI-4438LP Item # Qty. Part # Description 951133089 Turn to Lock Throttle Cable 950023463 Ignition Switch w/Keys 950001432 Clutch Switch (6 pin) 950001433 Tach / Hour Meter 950238103 Water Valve Lever 950915400 Dead Man Switch Electric Motor The power plant of the P/M grinder is the electric motor. -
Page 16: Tool Change
STI-4430 | STI-4438LP Operating Manual Variable Speed Drive (VSD) The variable speed drive is responsible for monitoring incoming power as well as changing the electronic frequency to allow the motor to run at different speeds. This unit is a closed panel that is intended to be operated only with the keypad. -
Page 17: Transportation
Operation Conditions General Notes Before the machine used for the first time, STI authorized dealers offer a course to familiarize maintenance and operating personnel with all elements of the machine. We are not liable for damage caused by incorrect use of the machine by personnel. -
Page 18: Starting The Machine
1. Place the grinder in the area where work is to begin. 2. Place weights on grinding head beside motor. 3. Check the main power cable (STI-4430) and the dust hose for damage. Replace or repair all damaged parts before starting the machine. - Page 19 *An authorized electrician must verify proper voltage before turning on the machine! Damage to VSD will occur if voltage is incorrect. Initial Operation - STI-4430 All persons near the machine must wear safety glasses with lateral protection, ear protection as well as safety shoes. The operator is obliged to wear close fitted protective clothing.
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Page 20: Operation Of The Machine
STI-4430 | STI-4438LP Operating Manual The start of the grinder and the filter unit is affected in the following sequence: 1. Switch on the filter unit. Initial operation of the grinding machine: 1. Assure the fuel supply is on and is connected correctly to the fuel tank. -
Page 21: Maintenance
Recommendations Maintenance and Inspection Maintenance Regular Wear Parts Service Schedule - STI-4430 Service Schedule - STI-4438LP Recommendations Prior to any repair work on the machine and its drives, secure machine against uninten- tional switch-on. Put the machine in Safety Off Position as described in chapter 2. -
Page 22: Maintenance And Inspection
Daily — After • Check for debris in the dust ports under gear box as well as at handle. Operation • Check for dirt build up on variable speed drive and electric motor. (STI- 4430 only) Maintenance Only those repair works are described which occur within the context of maintenance or which are required to replace wear parts. - Page 23 STI-4430 | STI-4438LP * When replacing bolts, be sure to hand start bolts BEFORE using impact wrench to tighten down. This minimizes the risk of stripping the threads by tightening an unseated bolt. Service Schedule - STI-4430 OPERATION INTERVAL First 8...
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Page 24: Troubleshooting / Diagnostics
STI-4430 | STI-4438LP Operating Manual 8.0 Troubleshooting / Diagnostics Diagnosis of Failures Diagnosis of Electrical Failure Diagnosis of Failures Prior to any repair work on the machine and its drives, secure the machine against unintentional start-up. Pull out the main plug in order to do this. Store the plug near the machine to avoid accidents. - Page 25 Operating Manual STI-4430 | STI-4438LP Diagnosis of Electrical Failure Prior to any repair work on the machine or drives, the machine must be secured against unintentional start-up. Put the machine in its Safety-off position. Work on electrical equipment may only be undertaken by a skilled electrician or by trained persons under the guidance and supervision of a skilled electrician in accordance with the electrical engineering regulations.
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Page 26: Sti Reference Guide & Procedures
Concrete Prep Diamond Tooling Substrate Technology offers diamond tooling for any phase of the grinding or polishing process. Below is a list of those tools and their applications. Please refer to STI's TDS (Technical Data Sheet) for details of each procedure at www.substratetechnology.com. - Page 27 Operating Manual STI-4430 | STI-4438LP Machinery Qualifications The #0 Prep Tool is designed to attach to and work perfectly with any Substrate Technology Prep/ Master machine. Quantity of #0 Prep Tool will vary by model: ® • Prep/Master 2807/2818: 6 pieces ®...
- Page 28 STI-4430 | STI-4438LP Operating Manual Flooring Condition Qualifications Use of the #00 Prep Tool requires that the surface to be treated is completely dry. For floors that have excessive adhesives or built-up contaminants, a scraping of the floor will improve performance, but is not required.
- Page 29 Operating Manual STI-4430 | STI-4438LP Execution of EGT Polishing System 1. Attach the EGT #1 tools to the P/M Machine and place it in operating position. Attach appropriate power* and vacuum dust collection hose to the P/M machine. With 50% of weights on head of machine and 50% in basket over wheels, set speed to 35Hz on VSD and start machine (for propane, run at 2200 RPM).
- Page 30 STI-4430 | STI-4438LP Operating Manual • A thorough processing of the concrete can only be achieved by one pass forward and then a second pass backward over same path. It is compulsory to overlap paths by at least 25%. The machine must always be swung side-to-side approximately 30 degrees.
- Page 31 Operating Manual STI-4430 | STI-4438LP CLC #3 #3 is a 3” resin bonded tool that has the pictured face design and can be clearly identified by the number on back as “#3.” This tool features red Velcro backing. The tool is run wet.
- Page 32 STI-4430 | STI-4438LP Operating Manual 9. Attach the CLC #7 tools to the P/M machine and place it in operating position. Attach appropriate power* and vacuum dust collection hose to the P/M machine. With 100% of weights on head of machine, set speed to 50Hz on VSD and start machine (for propane, run at 2700 RPM).
- Page 33 Operating Manual STI-4430 | STI-4438LP Densifier Qualifications Manufacturer’s instructions for use must be followed exactly for best results and to avoid any costly mistakes. Densifier must be type, that after its application, the floor is specified to be finished with a dry system and no water whatsoever.
- Page 34 4. Grout the floor with approved epoxy grouting material by either traditional method using marble flour (calcium carbonate powder) and a steel trowel, or with the STI Grout Pans (TPS #3.5) on P/M machine (or similar rotary machine) with marble flour. Let dry a minimum of eight hours. Please note: the STI Grout Pans can only be run on the P/M machine at 15Hz or 2100 RPM with the pocket weights on the handle.
- Page 35 Operating Manual STI-4430 | STI-4438LP • The use of the machine and water must only be done by skilled workers that have been trained and understand the safety precautions that need to be undertaken. The danger of electric shock is present anytime water is used with electrical machinery.
- Page 36 Substrate Technology, Inc. 1384 Bungalow Rd. Morris, IL 60450 USA +1.815.941.4800 +1.815.941.4600 Fax www.substratetechnology.com...
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