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TYMCO DST-6 Operator's Manual

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DUSTLESS
SWEEPING
TECHNOLOGY
DST-6
TYMCO
P.O. BOX 2368, WACO, TEXAS 76703
(Shipping Address)
225 INDUSTRIAL EAST WACO, TEXAS 76705
PHONE: 254-799-5546 • FAX: 254-799-2722
WEB SITE: www.tymco.com
E-MAIL ADDRESS: info@tymco.com
MODEL 600
OPERATOR'S
MANUAL
2008

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  • Page 1 DUSTLESS SWEEPING TECHNOLOGY DST-6 MODEL 600 OPERATOR'S MANUAL TYMCO P.O. BOX 2368, WACO, TEXAS 76703 2008 (Shipping Address) 225 INDUSTRIAL EAST WACO, TEXAS 76705 PHONE: 254-799-5546 • FAX: 254-799-2722 WEB SITE: www.tymco.com E-MAIL ADDRESS: info@tymco.com...
  • Page 3 An informed operator will do a better job. Make sure he/she has an opportunity to study this manual. This Operator’s Manual is the property of TYMCO, and is considered proprietary. It may not be reproduced by photocopying or otherwise without the express written permis- sion of TYMCO.
  • Page 5 INTRODUCTION To insure proper understanding of operation, cleaning and maintenance of your TYMCO RE- GENERATIVE AIR SWEEPER, it is necessary that this Operator’s Manual and the Service & Parts Manual be read and studied from cover to cover by the Operator. A full understanding of this equipment will help the operator achieve the results expected of this machine.
  • Page 7 Operating Procedure Guidelines Complete Sweeper Inspection • Check Auxiliary Engine Oil and Coolant • Check for Seal leaks • Check Warning and Work Lights • Inspect Pick-Up Head • Check Gutter Broom • Adjust Mirrors • Fill Fuel Tank • Fill Water System Sweeper Start-Up Procedures 1.
  • Page 8 TYMCO REGENERATIVE AIR SWEEPER INSPECTION AND REPETITIVE TASK SCHEDULE MODEL MODEL INSPECT PERFORM 500X 500X GUTTER BROOM(S) FOR IMPACT ADJUSTMENT OF GUTTER BROOM(S) DAMAGE/WEAR CLEANING OF GUTTER BROOM PICK-UP HEAD BLAST ORIFICE FOR TORQUE MOTOR SHAFT AREA LODGED FOREIGN MAT'L/ADJUSTMENT...

  • Page 9: Table Of Contents

    TYMCO REGENERATIVE AIR SYSTEM ........

  • Page 11: Tymco Regenerative Air System

    The TYMCO REGENERATIVE AIR SWEEPER can achieve your anticipated results while keeping cost at a minimum. However, to realize the full potentials of the TYMCO REGENERA- TIVE AIR SWEEPER, YOU MUST UNDERSTAND ITS CAPABILITIES AND ADHERE CLOSELY TO OPERATING AND JOB FUNCTIONS FOR WHICH IT WAS DESIGNED.
  • Page 12 An inspection at the dump site, however, may reveal that there are rocks and large objects in the hopper. This is due to air currents in the TYMCO RE- GENERATIVE AIR SYSTEM having the potential to pick up various large objects and retain them.

  • Page 13: Tymco Model Dst-6 Introduction

    TYMCO MODEL DST-6 INTRODUCTION The TYMCO MODEL DST-6 is a closed loop air sweeper, therefore it is important that all doors and components attached to the hopper have rubber seals for proper sweeper operation. All hopper doors must be completely closed for proper sweeper function. It is important that the op- erator become familiar with all seal areas used on the sweeper and keep them in good repair.
  • Page 14 M01361 11. With suction transition removed, check the vacuator manifold screen rock guard for any obstruction and clear if necessary. Close vacuator manifold ball valve. See Photo M01361. 12. Operator should make sure the vacuator hose and scavenge hose are clear and free flowing before beginning to sweep.
  • Page 15 3. After the sweeper has run for several minutes, check the photohelic gauge face located on the DST-6 filter box just behind the Left-hand driver seat. The black indicator needle should be between the two red set point needles.

  • Page 16: Sweeping Operation

    SWEEPING OPERATION - DST-6 The DST-6 has been designed to sweep in two separate operational modes, the dustless mode option where the sweeper performs with very little blow-out of dust around the pick-up head and a standard sweeping mode for sweeping in wet weather or any other condition not requiring dustless operation.
  • Page 17 and releasing allowing separator door to slam closed. Do this several times to knock any debris from the separator door skimmer slot. Check the dustless box load by opening the cleanout door on the right-hand side of the dustless box. Use a squeegee to pull any debris in the box down into the vacuation bin.

  • Page 18: Daily Sweeper Washdown Procedure

    The standard mode operation allows the sweeper to sweep in continuously wet conditions (light rain or after flusher truck, etc.) where the dustless function is not required. The DST-6 flue plate closes and very little exhaust air goes through the DST-6 box. For standard mode, use the same procedures described previously, except DO NOT turn on DC mode switch or purge switch.
  • Page 19 (Photo M01371) C. DST-6 FILTERS The DST-6 uses special filters to clean the exhaust air before it is released into the atmosphere. The filters utilize a PTFE mem- brane which gives the filter good release...

  • Page 20: Routine Maintenance

    Adjust “J” bolt in to tighten door for better seal. 3. Dump Door Seal - The large dump door of the TYMCO Model DST-6 uses a large rubber seal glued into the dump door channel of the hopper. Add service life to the dump door seal by leaving the door partially open when the sweeper is parked and not in use.
  • Page 21 4. Tilt Angles - Consult the TYMCO Parts & Service Manual for details on setting tilt angles. An optional hydraulic tilt system is available and allows operator to tilt broom up and down in the curb using a toggle switch located on the sweeper control panel.
  • Page 22 2. Flotation Springs - To prevent rapid wear of the skid plate runners, the pick-up head is suspended by four flotation springs. The flotation springs also serve to absorb hard impacts from irregular street surfaces, broken curbs, etc. Failure to keep flo- tation springs properly tensioned will result in premature skid plate runner wear and possible damage to the pick-up head components.
  • Page 23 E. DST-6 FILTERS Four large PTFE filters are used by the DST-6 to clean the exhaust air of the small- est particulate dust. Care should always be taken when handling these filters as the external PTFE membrane is easily damaged. These filters are washable, however, only low pressure water spray should be used to clean the filter media.
  • Page 24 F. DST-6 Filter Box Cleaning The DST-6 Filter Box provides a collection area for the dust pulsed off the filters. Once a month, the filter box should be inspected and cleaned. Remove all four filters from the box.
  • Page 25 CONTROL CONSOLE MODEL DST-6 600 Control Panel w/Decal (Punched) Screw - #12 Quick Open Captive Gauge - Hour Meter Switch - Gutter Broom Light (RH) Switch - Pick-Up Head Switch - High Output Water (RH) Switch - Aux. Hyd. Sys. Run Button Switch - Pick-up Head Water Pilot Lamp Assy - Aux.

  • Page 26: Hopper Assembly

    HOPPER ASSEMBLY The TYMCO Model 600 hopper has a volumetric area of 7.3 cubic yards and is subjected to the most severe working conditions of any area on the sweeper. The worst enemy of the hopper as- sembly is - CORROSION! To prevent the hopper from rusting,,it should be thoroughly washed at the end of each shift.
  • Page 27 SEPARATOR DOOR/SKIMMER HOOD IN OPEN POSITION FOR CLEANOUT AND WASHDOWN. (M01373OP) Service separator daily by using pull cable handle located behind left hand inspection door to open separator door and washing interior of separator chamber. 2008 DSTOPTRS...
  • Page 28 2. Hopper Seals - The hopper must be maintained air tight for the sweeper to perform adequately. Daily inspect the inspection door seal, dump door seal, transition seals and, if hand hose attachment is used, the hand hose door seal. If any section of the seal material is missing, replace the seal.
  • Page 29 2008 DSTOPTRS...

  • Page 30: Blower Assembly

    BLOWER ASSEMBLY A large turbine type blower is used in the TYMCO Model 600 to generate both the vacuum and pressure air stream with which to sweep. The blower assembly is found on the left side of the sweeper (see Page 3) and is driven by an auxiliary engine through a sheave and belt system.
  • Page 31 C. SWEEPING SPEEDS The best sweeping speeds for the TYMCO SWEEPER will be between 1-10 MPH and will be dependent upon how heavy the street curb is loaded. The lighter the curb debris, the faster the sweeper can sweep. However, faster speeds will cause faster wear of the pick-up head curtains and skid plates.
  • Page 32 NOTE: A thorough periodic inspection of the blower and blower housing should be performed by a qualified mechanic at maximum intervals of 500 operating hours. This inspection requires removal of the blower assembly. A. Blower - Wear on the blower is normal; however, the blower should be replaced when wear begins cutting through the blower paddles.
  • Page 33 2008 DSTOPTRS...

  • Page 34: Hydraulic System

    If the oil level is at the “ADD” mark or below, refill reservoir before operating sweeper. Use only 10W motor oil. NEVER USE AUTOMATIC TRANSMISSION OR POWER STEERING FLUID IN THE TYMCO HYDRAULIC SYSTEM. Located on the hydraulic reservoir are two oil filters. These filters should be changed every 100 hours of sweeper service.
  • Page 35 gutter broom operation but is reduced to 1500 PSI for the pick-up head and the dump door. The control valves are solenoid actuated meaning that they are shifted from inside the cab by use of electric switches. These switches are located on the sweeper control console panel with the exception of the dump switch which is located externally on the left side of the sweeper just above the fender well.
  • Page 36 NOTE: In order to manually override dump door or pick-up head, by-pass valve override button must be depressed at the same time. 4. If component goes in wrong direction or does not activate, push opposite over- ride button. NOTE: Gutter brooms can only be raised when manually shifting valve. In trying to lower gutter broom manually, bristles will rotate but broom will not lower due to the electric lock valve located on the cylinder.
  • Page 37 POWER UNIT AIR CLEANER MAINTENANCE Primary Dry Air Cleaner Service Instructions Proper air cleaner servicing will result in maximum engine protection against the ravages of dust. Proper servicing will save you time and money by increasing filter life and dust clean- ing efficiency.
  • Page 38 NEVER leave an air cleaner open longer than necessary. An open air cleaner is a direct entry to your engine. Cover the opening to be sure no debris gets in. DON'T overlook a worn or damaged gasket. When replacing a gasket, check to be sure no piece of the old gasket remains in the housing.

  • Page 39: Gutter Broom

    GUTTER BROOM The Model 600 utilizes a vertical digger design enabling the gutter broom to remove heavy de- bris from the gutter and transfer it in front of the pick-up head. The gutter broom is also designed such that it will fold under the cab if run into the curb or any other solid object. The gutter broom is controlled from the inside the cab with an electric toggle switch located on the control console panel.
  • Page 40 NEW BRISTLE CONTACT PATTERN (M00762) DSTOPTRS 2008...
  • Page 41 To replace bristles, use the following procedure: 1. Lower gutter broom; turn off sweeper engine. 2. Remove bolts from bristle segments one segment at a time. TYMCO segments use two course threaded 5/8" bolts to lock segment to disc. No nut is used on bottom side.
  • Page 42 4. Insert 5/8" bolts and thread them into the segment. Do not over tighten bolts or plas- tic segment may be stripped requiring longer bolts and the use of nuts on bottom. 5. Remove segment clamp and install 3/8" center support bolt. 6.
  • Page 43 PICK-UP HEAD The pick-up head is the most important component of the TYMCO MODEL 600 REGENERA- TIVE AIR SWEEPER. But, because the pick-up head must be dragged on the pavement, it can be seriously damaged by careless operation. Even when the pick-up head is fully raised, it is still close to the pavement and care must be taken not to damage it in transit.

  • Page 44: Pick-Up Head

    items larger than the 14" diameter suction tube must either be manually picked up or maneuvered around to prevent plugging the suction tube. 7. Light debris such as leaves and paper may have a difficult time getting under the front seal curtain, especially when encountered in large quantities: thus, producing a bull-dozing effect in front of the pick-up head.
  • Page 45 2008 DSTOPTRS...
  • Page 46 DSTOPTRS 2008...
  • Page 47 PICK-UP HEAD SETTING AND ADJUSTMENT Skid plates - the skid plate setting for the TYMCO REGENERATIVE AIR pick-up head is critical for proper sweeper performance because it determines the relationship of the blast orifice to the pavement. Skid setting becomes even more critical with the broom assist pick-up head.
  • Page 48 2. Before beginning to adjust the pick-up head springs, check the four flotation springs (2 per side). Correct spring placement and sizing is critical for proper skid plate runner life. On older units it may be necessary to replace the springs(s) if they have lost their set.
  • Page 49 C. Look under the pick-up head and inspect the blast orifice curtain for excessive wear or damage. Also, check for any debris jammed in the orifice opening such as rocks, cans or sticks. D. Inspect the pressure and suction hoses on either side of the sweeper for wear holes or damage.
  • Page 50 D. At the end of each shift, the operator should clean and wash underneath the pick-up head and remove any mud build-up. Particular care should be given to the area around the broom. Thoroughly clean the area between the broom and back of the blast orifice daily! A build-up of debris and mud in this area can greatly diminish the effectiveness of the broom assist pick-up head.
  • Page 51 2008 DSTOPTRS...
  • Page 52 DSTOPTRS 2008...

  • Page 53: Dust Control (Water) System

    The TYMCO tank filling system is an anti-siphon system as water is put into the tank from the filler neck on top of the tank. At end of shift, open drain valve to flush out tank.
  • Page 54 3. Water Pump - The heart of the standard TYMCO water system is an electric pump. This pump puts out 5.0 GPM at 25 PSI. No service is required; however, the pump must be protected from freezing (See Winterization). 4. Spray Nozzles - The operator is responsible for keeping the spray nozzle tips clean and spraying.
  • Page 55 D. WATER SYSTEM PURGE The function of the water system purge is to purge all water from the system in freezing weather. This assembly is mounted to the sweeper left front frame rail. A female quick disconnect is to be supplies by the customer. 1.

  • Page 56: Hand Hose Operation

    HAND HOSE OPERATION WARNING: Never direct hand hose nozzle at another person or serious injury may occur. The optional auxiliary hand hose is designed to clean areas inaccessible to the sweeper, such as shallow catch basins, highway medians, railing, etc. The standard hand hose is a flexible hose with an aluminum 52 inch extension.
  • Page 57 6. Set RPM. to desired engine speed. ENGINE RPM A. Paper, Leaves, Light Trash 1500 B. Normal Accumulation of Dirt, Sand and Gravel 1600 C. Heavy Accumulation of Dirt, Sand and Gravel 1800 NOTE: Do not submerge nozzle in liquids or mud; hold slightly above for best results.

  • Page 59: Warranty

    REGENERATIVE AIR SWEEPER WARRANTY TYMCO REGENERATIVE AIR SWEEPERS are warranted to be free from defective materials and workmanship for a period of 12 months or 1,000 hours from date of delivery and such period being hereinafter referred to as “warranty period”. It is the sole obligation of Seller with respect to this warranty period to replace free of charge, F.O.B.

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