MQ Multiquip HTX6H Service Manual
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MQ Multiquip HTX6H Service Manual

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SERVICE MANUAL
MQ WHITEMAN RIDE-ON TROWEL
MODEL HTX6H AND STX6H
U.S. Revision #1 (09/07/17)
AUS Version 1.0 (July 2021)
FOR MORE INFORMATION
EXCLUSIVE TO
CONTACT US ON 1300 353 986 OR VISIT flextool.com.au

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  • Page 1 ® SERVICE MANUAL MQ WHITEMAN RIDE-ON TROWEL MODEL HTX6H AND STX6H U.S. Revision #1 (09/07/17) AUS Version 1.0 (July 2021) FOR MORE INFORMATION EXCLUSIVE TO CONTACT US ON 1300 353 986 OR VISIT flextool.com.au...
  • Page 2 SETUP, ADJUSTMENTS AND CALIBRATIONS SERIES MODEL HTX6H, STX6H HYDRAULIC RIDE-ON TROWEL (HATZ 4H50TIC DIESEL ENGINE) Revision #1 (9/7/17) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

  • Page 3: Table Of Contents

    File Download Procedure ........18 Mechanical ............28 Parameter File Transfer ........19 Static Blade Pitch Drift Test ........ 28 Loading Software ........... 19 Fuse Information ............ 29 PAGE 2 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 4: Machine Information And Maintenance Log

    Stabilizer Rings Seat Switch Drift Test Hydraulics Retardant Spray System Travel (Start/Stop) Electrical ü Initial Height (LH/RH) Cooling Fan Final Height (LH/RH) Switches Lights and Indicators HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 3...

  • Page 5: Safety Information

    Indicates a hazardous situation which, if not avoided, COULD result in MINOR or MODERATE INJURY. NOTICE Pressurized fluid hazards Addresses practices not related to personal injury. Hydraulic fluid hazards PAGE 4 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)
  • Page 6 „ This equipment should only be operated by trained and qualifi ed personnel 18 years of age and older. „ Whenever necessary, replace nameplate, operation and HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 5...
  • Page 7 Damage to Association of Equipment Manufacturers (AEM) can be obtained for a fee by ordering through their website at PAGE 6 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)
  • Page 8 2,700 pounds (1,225 kg) total lifting „ Use well-insulated gloves when picking up the battery. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 7...
  • Page 9 “gross vehicle weight rating.” „ ALWAYS inspect the hitch and coupling for wear. NEVER tow a trailer with defective hitches, couplings, chains, etc. PAGE 8 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)
  • Page 10 Recyclers and manufacturers alike promote the process of recycling metal. Using a metal recycling center promotes energy cost savings. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 9...

  • Page 11: Tools Needed

    TOOLS NEEDED The specialized tools listed in Table 1 are required to maintain and service the HTX6H/STX6H ride-on trowel. Fleet technicians and servicing dealers must have these tools for efficient unit setup and component calibration. Table 1. Setup, Calibration, and Diagnostic Tools...

  • Page 12: Machine Information

    If lot number is listed instead of the serial number, record lot number. Figure 1. Engine Serial Tag Location Figure 4. Motor Serial Number Location Figure 2. Engine Serial Tag HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 11...

  • Page 13: General Procedures

    1. Open service tool. 2. Click “machine setup” button on main page. Stroke Follower 3. Click “Stroke Cont.” button under Setup Menu. 4. Click button “Enable Stroke Follower”. PAGE 12 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 14: Initial Check And Adjustments

    DO NOT overfill the oil pan with engine oil. Always keep the engine oil level between the upper and lower limit lines on the dipstick. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 13...

  • Page 15: Initial Check And Adjustments

    5. Place a vacuum pump over the engine coolant filler port to remove any excess air. 6. Refill the radiator until it is full again. 7. Reinstall radiator cap. PAGE 14 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 16: Whiteman Service Tool (Wst) Installation

    One of the screens shown in Figure 9 will open but the navigation bar is populated. comes up. appear. Click "Cancel". Click cancel Figure 10. WST Navigation Bar (Populated) HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 15...

  • Page 17: Service Tool Setup And Connection

    9. Input the license key obtained from Multiquip Manager (Figure 13) and click "OK". se key and click OK. • Input you license key and click OK. Figure 13. Entering License Key PAGE 16 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 18: Connection Procedure

    3. Connect the USB connector of the CAN Gateway cable (Figure 19). to the USB port of the laptop (Figure 16). Figure 19. Service Tool Main Screen Figure 16. Connecting the Laptop HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 17...

  • Page 19: Loading Software

    Maintenance Log on the front of this manual. 10. Turn machine power off for at least 10 seconds prior Figure 21. Download Software to MCU Screen to proceeding with machine setup. PAGE 18 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 20: Parameter File Transfer

    4. Select 426431__*.p1t file for HTX6H and select 426441__*.p1t for STX6H and select open. 5. Turn machine power off for at least 10 seconds prior to proceeding with machine setup. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 19...

  • Page 21: Machine Setup And Calibration

    Read % SENSOR VOLTAGE for both sensors 1 the system until fluid coming out bypass hose is free and 2 (Figure 28). of air bubbles. PAGE 20 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 22: Machine Pressure Adjustment

    7. If no adjustment is required, record pressure on Machine Information and Maintenance Log. 8. Return engine rpm to idle. 9. Turn off machine and remove gauge. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 21...

  • Page 23: Steering Pressure Adjustment

    11. Restart machine and repeat steps 2 thru 8 as injury. necessary, until blades no longer spin. PAGE 22 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 24: Right Side Trowel Speed Adjustment

    The trowel speeds should be adjusted on a dry concrete floor with the blades pitched slightly (tips about 1/2” off ground). HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 23...

  • Page 25: Pitch Setup

    All guards should be in place. Keep fingers, hands, hair, and clothing away from all moving parts to prevent injury. PAGE 24 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 26: Flatten Blades

    Leading Edge Height” section. 6. Repeat steps 2 thru 5 until Left and Right leading edge height are within limits. Figure 38. Measuring Leading Edge Height HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 25...

  • Page 27: Set Zero Pitch Cylinder Stops

    Click on "Hard Ext." button to fully extend pitch cylinders. b. Install 3.25” Gauge (P/N 32044) over both Left and Right Cylinders as shown in Figure 42. PAGE 26 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)
  • Page 28 Figure 43. Start Pitch Sensor Calibration 9. Once calibrated, move pitch thru range ensuring calibrated signal moves from 0 to 100%. 10. Turn machine off for 10 seconds. HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 27...

  • Page 29: Inspection

    Maintenance Log. 3. Hydraulics 7. Compare the two measurements. Drift exceeding 3/16” • Spot check paint marks on fittings. in three hours is unacceptable. PAGE 28 — HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17)

  • Page 30: Fuse Information

    Machine Power Relays Service Tool Power: 9 pin OBD connector Fused MCU controller Right Hand Switches Open Fuse Box Communication Power 31M-318-0 (LR-0) Figure 46. Fuse Location HTX6H, STX6H TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #1 (09/07/17) — PAGE 29...
  • Page 31 SETUP, ADJUSTMENTS AND CALIBRATIONS HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING UNITED STATES Multiquip Corporate Office MQ Parts Department 18910 Wilmington Ave. Tel. (800) 421-1244 800-427-1244 Fax: 800-672-7877 Carson, CA 90746 Fax (310) 537-3927 310-537-3700 Contact: mq@multiquip.com Service Department...
  • Page 32 ® Parchem Construction Supplies Pty Ltd 1956 Dandenong Road, Clayton VIC 3168, Australia Phone: 1300 353 986 flextool.com.au ABN 80 069 961 968 This manual summarises our best knowledge of the product based on the information available at the time of publication. You should read this manual carefully and consider the information in the context of how the product will be used.

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