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diamond mowers FD Series Maintenance Manual

Drum mulcher
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FD SERIES
DRUM MULCHER
MAINTENANCE
07/29/2022
1082300001 REV 1
WARRANTY + SERVICE
888.960.0364
PARTS
888.960.0361
DIAMONDMOWERS.COM

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  • Page 1 FD SERIES DRUM MULCHER MAINTENANCE 07/29/2022 1082300001 REV 1 WARRANTY + SERVICE 888.960.0364 PARTS 888.960.0361 DIAMONDMOWERS.COM...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS DRUM MULCHER MAINTENANCE SCHEDULE ....................4 MAINTENANCE INTERVALS ..............................4 MOTOR TUNING ..............................5 VALVE BLOCK SCHEMATIC ..............................5 TOOTH AND TOOTH HOLDER MAINTENANCE ....................6 TEETH ......................................6 REPLACING TOOTH HOLDERS .............................7 BELT AND PULLEY MAINTENANCE........................8 PULLEY AND BELT INSPECTION ............................
  • Page 3 TABLE OF CONTENTS...

  • Page 4: Drum Mulcher Maintenance Schedule

    Inspect Belt and Pulleys Inspect Drum Inspect Hoses Inspect Inspect Replace Hydraulic and Hose Inspect Fittings Motor Bolts Inspect Couplers Inspect Safety Polycarbonate Inspect Clean Skid Shoes Inspect Replace Teeth Inspect Replace Tooth Holders Inspect Replace © Diamond Mowers®, LLC...

  • Page 5: Motor Tuning

    MOTOR TUNING The motor must be tuned by the dealer or end user when first installed and if the mulcher is experiencing issues with mulching. Order the Two Speed Motor Tuning Kit from www.diamondmowers.com or from an authorized Diamond Mowers dealer.

  • Page 6: Tooth And Tooth Holder Maintenance

    3. Hand-thread the bolts and washers into the tooth. 4. Tighten the hardware to 120ft-lbs (163Nm). Note: Do not apply Loctite or lubricant to the hardware. Do not over tighten as this will strip the threads. © Diamond Mowers®, LLC...

  • Page 7: Replacing Tooth Holders

    Note: Only ground the welder to the drum. Grounding on the deck shell while welding the drum causes the welders current to run though the bearings and will cause damage. This will null and void any warranty. © Diamond Mowers®, LLC...

  • Page 8: Belt And Pulley Maintenance

    3. Screw the tension adjustment bolt in or out to adjust the tension. 4. Tighten the lock nut. 5. Install and tighten the motor plate bolts. 6. Inspect the belt again for deflection. Re-tighten the lock nut on the tension adjustment bolt. © Diamond Mowers®, LLC...

  • Page 9: Pulley Inspection

    3. Gently tap on the taper-lock and motor pulley in the desired amount and direction on the splined motor shaft. 4. Without moving the motor pulley or the taper lock, thread in the set screws. 5. Refer to product specific drawings for torque specifications. 6. Check the alignment. © Diamond Mowers®, LLC...

  • Page 10: Bearing Maintenance

    Inspect the bearings every 50 hours or weekly by rotating the drum while simultaneously pushing the drum sideways. If excessive side to side play (greater than 0.65”) is detected during inspection, order replacement bearings from www. diamondmowers.com or an authorized Diamond Mowers dealer and replace according to the instructions provided with the bearings.

  • Page 11: Skid Shoe Maintenance

    Replace as needed. SKID SHOE REPLACEMENT Cut the stitch welds securing the skid shoes. Skid Shoe Stitch Weld 2. Stitch weld the new skid shoes in the existing skid shoe location. 3. Paint any exposed metal. © Diamond Mowers®, LLC...

  • Page 12: Drum Maintenance

    1102000018 Rev 1 07/05/2022 DRUM MAINTENANCE Inspect the drum every 10 hours or daily for: • cracks. • damage. If damage is found, replace the drum. Order a new drum from www.diamondmowers.com or from your local Diamond dealer. © Diamond Mowers®, LLC...

  • Page 13: Drum Motor Bolt Maintenance

    Remove the motor top and side access covers and inspect the motor bolts every 50 hours or weekly for: • damage. • tightness. • missing bolts. Motor Bolts If damage is found, replace the bolts as needed with parts ordered from www.diamondmowers.com or from the local Diamond Mowers dealer. © Diamond Mowers®, LLC...

  • Page 14: Safety Polycarbonate Maintenance

    • damage. Replace as needed with parts ordered from www.diamondmowers.com or from the local Diamond Mowers dealer. SAFETY POLYCARBONATE CLEANING Clean the safety polycarbonate using mild soap, water, and a soft cloth as needed. Cleaning with common glass cleaners can scratch the polycarbonate.

  • Page 15: Hose Maintenance

    HOSE POSITION Inspect the hose carrier every 50 hours or weekly to ensure the hose bundle sits between 2” and 3” above the top of the deck and allow a full range of motion. Adjust as needed. © Diamond Mowers®, LLC...

  • Page 16: Troubleshooting

    Install a new tooth holder if required. Excessive play in the drum. Check for and, if required, replace worn bearings. Check for a loose stub shaft. If necessary, use Loctite and torque the stub shaft to 240ft-lbs (325Nm). © Diamond Mowers®, LLC...

  • Page 17: Appendix

    This section contains supplemental quick guides and drawings with part numbers. Use these drawings to determine the part numbers when ordering parts. REPLACEMENT PARTS When replacing parts, use Genuine Diamond Parts. Call: 1-888-960-0361 or 1-605-977-3300 Email: Parts@diamondmowers.com Order Online: www.diamondmowers.com © Diamond Mowers®, LLC...

  • Page 18: 30" Assemblies

    30” ASSEMBLIES DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 19 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 20 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 21 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 22 DESCRIPTION PART NUMBER DATE DRAWN REVISION © Diamond Mowers®, LLC...
  • Page 23 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...

  • Page 24: 50" Assemblies

    50” ASSEMBLIES DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 25 DESCRIPTION PART NUMBER DATE DRAWN REVISION © Diamond Mowers®, LLC...
  • Page 26 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 27 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 28 DESCRIPTION PART NUMBER REVISION DATE DRAWN © Diamond Mowers®, LLC...
  • Page 29 DESCRIPTION PART NUMBER DATE DRAWN REVISION © Diamond Mowers®, LLC...

  • Page 30: Decal Installation

    DECAL INSTALLATION FD SERIES DRUM DECAL INSTALLATION This document provides the standard decal installation locations for FD series drum mulchers. • Decals must be installed in quantity, orientation, and location specified in this document. • Clean the decal installation location before applying decals.
  • Page 31 After completing the decal installation, sign and date below. Return this page along with the warranty registration card the address listed on the warranty card. Company Name: ___________________________________ Product Serial Number: ________________________________________ Completed By (print name): ____________________________________ Signature: _________________________________________ Date: __________________________________________ © Diamond Mowers®, LLC © Diamond Mowers®, LLC...

  • Page 32: Boss Fittings

    1.78 90-durometer Nitrile 0.93 23.50 0.07 1.78 90-durometer Nitrile 1 1/4 28, 30, 32 1.18 29.90 0.07 1.78 90-durometer Nitrile 1 1/2 35, 38 1.49 37.80 0.07 1.78 90-durometer Nitrile 1.93 490.00 0.10 2.54 90-durometer Nitrile © Diamond Mowers®, LLC...

  • Page 33: Torque Specs

    Clamp loads estimated as 75% of proof load for specified bolts. Torque values listed in foot-pounds . Torque values calculated from formula T=KDF where; K=0.15 for "lubricated" condition, K=0.17 for zinc plated and dry condition (or as-received for the 12.9), K=0.20 for plain and dry condition © Diamond Mowers®, LLC...

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