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diamond mowers Rear Swing Flail Operator's Manual

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REAR SWING
O P E R AT O R ' S M A N U A L
O P E R AT O R ' S M A N U A L
350 EAST 60TH ST. N. • SIOUX FALLS, SD 57104
350 EAST 60TH ST. N. • SIOUX FALLS, SD 57104
800.658.5561 • 605.977.3300
800.658.5561 • 605.977.3300
WWW.DIAMONDMOWERS.COM
WWW.DIAMONDMOWERS.COM
PARTS
PARTS
WARRANTY + SERVICE
WARRANTY + SERVICE
FLAIL
888.960.0361
888.960.0361
888.960.0364
888.960.0364

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  • Page 1 REAR SWING FLAIL O P E R AT O R ’ S M A N U A L O P E R AT O R ’ S M A N U A L 350 EAST 60TH ST. N. • SIOUX FALLS, SD 57104 350 EAST 60TH ST.
  • Page 2 Diamond Mowers will not be liable for an owner or operator’s loss, damage, or injury due to the misuse of the equipment, failure to understand the inherent risks, or inability to properly operate the equipment.
  • Page 3 WELCOME! Thank you for choosing Diamond Mowers, and welcome to your Rear Swing Flail. Before you begin operating, we encourage you to look through this manual to review the proper maintenance and operating techniques that will keep you, and your equipment, safe — while ensuring you the most productive flail mower in the market.
  • Page 4 TRANSFERRED OWNERSHIP If you have acquired this flail mower from a previous owner, we encourage you to register your equipment online. By registering your Diamond Mowers unit, you’ll stay informed on product advancements, offers and service alerts. Register by going to: http://info.diamondmowers.com/register-my-product We honor our equipment’s warranty from the date it was put into service,...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS INTENDED USE TAKE A LOOK AROUND GETTING STARTED OPERATING YOUR FLAIL MOWER MAINTENANCE INTERVALS TROUBLESHOOTING PARTS BOOK INDEX...

  • Page 6: Intended Use

    REAR SWING FLAIL OPERATOR’S MANUAL INTENDED USE This attachment is designed to be used for mowing and light brush management applications. This includes: • Cutting grass. • Mulching light brush. • Cutting a maximum of 2” (51mm) material continuously. This attachment should only be used in an area free of obstructions and bystanders.

  • Page 7: Take A Look Around

    TAKE A LOOK AROUND Let’s get started by doing a quick walk around of the Rear Swing Flail. KNIVES BELT DRIVE The cutting shaft is equipped with All of our heavy duty flails use our heavy duty brush and grass a high strength belt with an blades for a smooth, even cut.
  • Page 8 TAKE A LOOK AROUND SWING ARM SHOCK ABSORBER Our fully articulating swing arm The swing arm comes equipped allows you to mow steep inclines with a shock absorbtion system and ditches, as well as other that helps prevent damage in the hard-to-reach areas standard side event of a collision.

  • Page 9: Getting Started

    REAR SWING FLAIL OPERATOR’S MANUAL GETTING STARTED MACHINE REQUIREMENTS Diamond’s Rear Swing Flail must be used on a tractor with a minimum weight of 9500lbs (4310kg) (sans weights), equipped with a category II 3-Point hitch, and a 540RPM PTO drive.
  • Page 10 REAR SWING FLAIL OPERATOR’S MANUAL • Adjust your draft beam stabilizers and/or spacers (if present) to minimize any horizontal sway in the tractor’s 3-Point hitch draft beams. ◦ Your draft beam NOTE: stabilizers and/or spacers present) may not look exactly the same as this example.
  • Page 11 REAR SWING FLAIL OPERATOR’S MANUAL • Push in the spring loaded locking on the PTO drive shaft slide it onto the slip clutch’s splined shaft ◦ Push until the spring loaded locking pin on the PTO drive shaft locks into place in the groove on the slip clutch’s...
  • Page 12 REAR SWING FLAIL OPERATOR’S MANUAL CONNECTING THE HYDRAULICS • Connect the four hydraulic hoses from the attachment to the tractor’s auxiliary hydraulic remotes. ◦ Make sure the connections are done to match the recommended lever control functions as described in the Operation section of this manual.

  • Page 13: Operating Your Flail Mower

    Before you operate, note that the primary responsibility for safety on this equipment falls to the operator. Only trained individuals who have read and understood this manual should operate this unit. If any portion of this manual is not understood, contact Diamond Mowers’ Service/Warranty at 888.960.0364 or 605.977.3300. SAFETY TIPS Be sure to read all warnings carefully.
  • Page 14 REAR SWING FLAIL OPERATOR’S MANUAL • DO NOT use extremities to dislodge debris from the cutting shaft or knives. • Operate only from the operator’s station. • Hydraulic fluid is hot and will heat any exposed steel, hoses, motor, or spindle in its proximity.
  • Page 15 REAR SWING FLAIL OPERATOR’S MANUAL OPERATING TECHNIQUES GRASS & BRUSH CUT Use to cut grass or brush. • Lower the front of the deck slightly to ensure that there is ample room for exhausted material to be dispersed. ◦ If you hear the cutting shaft, or engine slow down, lift up the head and/or slow your ground speed.
  • Page 16 REAR SWING FLAIL OPERATOR’S MANUAL OPERATING TECHNIQUES FINISHED MOW Use for a finished look. • Drive straight into the material keeping the deck low and level, with the ground roller resting on the ground. • Maintain speed of the cutting shaft and ground speed.
  • Page 17 REAR SWING FLAIL OPERATOR’S MANUAL OPERATING TECHNIQUES TREE CUT Use to cut small trees or brush without mulching. • For small trees, start working at the top and cut the tree in 12” (305mm) increments. • With the Flail Mower lifted slightly, drive straight into the material.
  • Page 18 REAR SWING FLAIL OPERATOR’S MANUAL OPERATING TECHNIQUES NO PANCAKING DO NOT pancake. • This machine is not built to drop on top of material for cutting or mulching. Damage will incur to the cutting shaft and bearings as a result of driving down (pancaking) on top of the material.

  • Page 19: Maintenance Intervals

    REAR SWING FLAIL OPERATOR’S MANUAL MAINTENANCE INTERVALS Regular maintenance will make certain your unit stays productive and retains a long, operating life. The following chart represents the minimum intervals recommended for inspection and maintenance. 10 HOURS/ PROCEDURE HOURS/ HOURS/ DAILY...
  • Page 20 REAR SWING FLAIL OPERATOR’S MANUAL BELTS AND PULLEYS Belt Replacement: • Remove the access cover and top gear box bracket section. • Push the idler pulley away from the belt with a wrench, pry bar, or similar tool to relieve pressure on the belt.
  • Page 21 REAR SWING FLAIL OPERATOR’S MANUAL BELTS AND PULLEYS Reversing Cutting Shaft Rotation: “Forward rotation” is defined as NOTE: blade rotation the same as the tractor tires when driving forward. “Reverse rotation” is the opposite. • Remove access cover and belt from the pulleys as described on the previous page.
  • Page 22 REAR SWING FLAIL OPERATOR’S MANUAL BELTS AND PULLEYS Reversing Cutting Shaft Rotation: • Install the front shield for reverse rotation, or remove it for (11) forward rotation. • Install the baffle with bolts for forward rotation, or remove it for (12) reverse rotation.
  • Page 23 REAR SWING FLAIL OPERATOR’S MANUAL DISCHARGE FLAP • Inspect each flail head’s rear discharge flap every 50 hours or weekly: ◦ Excessive wear ◦ Cuts, gouges, excessive damage. • Replace as needed. GEAR BOX • The oil level should be inspected every 50 hours or weekly: ◦...
  • Page 24 ◦ Examine the taper bearing its race for damage or wear. No wear; proceed with the following steps. Wear detected; contact Diamond Mowers for a rebuild kit with instruction. • Pour synthetic SAE 75-90W oil into the ground roller insert...
  • Page 25 REAR SWING FLAIL OPERATOR’S MANUAL GROUND ROLLER Bearing Maintenance: • Place the taper bearing over the ground roller shaft and into the taper bearing race. • Add more synthetic SAE 75-90W until approximately 1/8” (3mm) above the taper bearing. •...
  • Page 26 REAR SWING FLAIL OPERATOR’S MANUAL GROUND ROLLER Bearing Maintenance: (12) • Clean any oil or debris off the surface of the insert where the end cap will mate • Remove the cap screws. ◦ NOTE: Failure to remove excess oil from the holes may result in a cracked insert when the end cap is secured to the insert.
  • Page 27 REAR SWING FLAIL OPERATOR’S MANUAL GROUND ROLLER Bearing Maintenance: • Reassemble the bearings into the ground roller with their cap screws. ◦ Torque the hardware to 51ft-lbs (69Nm). • Lower the flail back onto the ground roller, allowing the bearing shafts...
  • Page 28 REAR SWING FLAIL OPERATOR’S MANUAL GROUND ROLLER (21) Cutting Height Adjustment: • Loosen the retaining plates (18) (20) (19) lock nuts on both sides of (19) the flail. • Adjust the ground roller brackets (20) up or down by turning the adjustment nuts •...
  • Page 29 REAR SWING FLAIL OPERATOR’S MANUAL HYDRAULIC FITTINGS • Hydraulic hoses and fittings should be inspected every 10 hours or daily. What to look for: ◦ Hydraulic fitting clamps, QD connectors, and threaded connections for any hydraulic fluid. If any leaks are observed, stop immediately to prevent damage to your machine.
  • Page 30 REAR SWING FLAIL OPERATOR’S MANUAL KNIVES • Inspect the flail knives excessive wear or damage every 10 hours or daily. ◦ Replace them as needed. ◦ Replace knives in pairs opposite of each other to maintain balance of the cutting shaft.
  • Page 31 REAR SWING FLAIL OPERATOR’S MANUAL PTO SLIP CLUTCH / DRIVE SHAFT • New slip clutches , or any slip clutch not used for 30 days should complete the run-in procedure: ◦ Disengage the PTO power and turn off the tractor.
  • Page 32 REAR SWING FLAIL OPERATOR’S MANUAL PTO SLIP CLUTCH / DRIVE SHAFT • Confirm the locking bolt securing the slip clutch to the tractor’s PTO Drive • Grease the PTO drive shaft every 50 hours or weekly. Remove the safety guard...
  • Page 33 REAR SWING FLAIL OPERATOR’S MANUAL PTO SLIP CLUTCH / DRIVE SHAFT Always test a PTO drive shaft connection by giving it a hard tug in an attempt to disengage it. Do not use a PTO drive shaft that fails to...
  • Page 34 REAR SWING FLAIL OPERATOR’S MANUAL SWINGARM Greasing: • Extend out the swing arm to expose the grease zerks. Rest the flail head on the ground to relieve pressure on the swing arm joints before greasing. ◦ It may be necessary to...
  • Page 35 REAR SWING FLAIL OPERATOR’S MANUAL SWIVEL • If “looseness” or “play” is detected in the swivel, replace the nylatron bearings and the internal greaseless bearing (not visible) in the interior of the swivel. • It is best practice to replace the...

  • Page 36: Troubleshooting

    REAR SWING FLAIL OPERATOR’S MANUAL TROUBLESHOOTING PROBLEMS POTENTIAL CAUSE SOLUTION Loose hardware Check and torque all hardware. Check for damaged knives, cutting Cutting assembly shaft, etc. unbalanced and/or Check for wire & other debris is damaged entangled in the the cutting assembly.
  • Page 37 POTENTIAL CAUSE SOLUTION No PTO power to Reference the vehicle’s operator Mower Will Not the Rear Swing Flail manual for instructions on how to Start or Run attachment operate the vehicle PTO drive. For any questions, contact our Warranty / Service team at...

  • Page 38: Parts Book

    R E A R S W I N G F L A I L PARTS BOOK...
  • Page 39 REAR SWING FLAIL PARTS BOOK SWING ARM ASSEMBLY - 3-POINT HITCH 45-0312...
  • Page 40 REAR SWING FLAIL PARTS BOOK SWING ARM ASSEMBLY - 3-POINT HITCH 45-0312 REF# PARTS DESCRIPTION PART # GARLOCK BUSHING 10-0033 HORIZONTAL BEARING PAD 10-0098 LOAD BEARING MD NYLON PAD 10-0099 3/4 SAE FLAT WASHER GR 8 11-0039 7/16 X 3-1/4 NC HEX CAPSCREW GR 5...
  • Page 41 REAR SWING FLAIL PARTS BOOK SWING ARM ASSEMBLY - ROTATOR 45-0312 REF# PARTS DESCRIPTION PART # REF# PARTS DESCRIPTION PART # PIVOT THRUST BEARING 10-0061 HOSE 1/4 X 148 (1/2MORB-90DEG X 1/2MP) 21-2329 GREASELESS BUSHING BEARING 10-0062 1/4 GREASE ZERK...
  • Page 42 REAR SWING FLAIL PARTS BOOK 75"(1905mm) CUTTER ASSEMBLY 25-1599 REF# PARTS DESCRIPTION PART # REF# PARTS DESCRIPTION PART # CUTTERSHAFT BEARING 10-0006 GROUND ROLLER BLOCK 31-0563 GROUND ROLLER BEARING ASSY 10-1051 LOCK PLATE 41-0003 3/8 LOCK WASHER 11-0005 ADJUSTMENT ROD RIGHT...
  • Page 43 REAR SWING FLAIL PARTS BOOK DECAL IDENTIFICATION Swing Flail Head...
  • Page 44 REAR SWING FLAIL PARTS BOOK DRIVE ASSEMBLY 25-1378 Swing Flail Head REF# PARTS DESCRIPTION PART # REF# PARTS DESCRIPTION PART # SHEAVE 8.5 10-1009 3/8 X 1 H.S. NC SKT HEAD 11-0752 SHEAVE 8.0 10-1011 1/2 X 1-3/4 NC CARRIAGE BOLT 11-0812 2-3/16"...
  • Page 45 REAR SWING FLAIL PARTS BOOK DRIVE ASSEMBLY 29-0054 Swing Flail Head REF# PARTS DESCRIPTION PART # REF# PARTS DESCRIPTION PART # REPAIR KIT, SSL/AUTO-LOK 29-0185 OUTER GUARD 29-0194 YOKE, FRONT 29-0186 INNER GUARD 29-0195 CROSS KIT, AB 6/AW22/480 PBL 29-0187...
  • Page 46 REAR SWING FLAIL PARTS BOOK CYLINDER ASSEMBLY 14-0004 All Flail Assemblies REF# PARTS DESCRIPTION PART # PISTON ROD 14-1131 CLEVIS ASSEMBLY 14-1160 BUTT & TUBE ASSEMBLY 14-1141 GLAND 14-1155 PISTON 14-1150 LOCKNUT 14-1120 SLUG 14-1191 SEAL KIT 33-0038 SET SCREW...
  • Page 47 REAR SWING FLAIL PARTS BOOK CYLINDER ASSEMBLY 14-0039 All Flail Assemblies REF# PARTS DESCRIPTION PART # PISTON ROD 14-1130 CLEVIS ASSEMBLY 14-1160 BUTT & TUBE ASSEMBLY 14-1140 GLAND 14-1155 PISTON 14-1150 LOCKNUT 14-1120 SEAL KIT 33-0038 SLUG 14-1191 SET SCREW...
  • Page 48 REAR SWING FLAIL PARTS BOOK GEAR BOX ASSEMBLY 19-0020 All Flail Assemblies REF# PARTS DESCRIPTION PART # REF# PARTS DESCRIPTION PART # SNAP RING 30-1009 THRUST PLATE 30-1348 WASHER 30-1071 NAME PLATE 30-1349 HEX NUT 30-1128 DOWEL PIN 30-1350 BALL BEARING...
  • Page 49 REAR SWING FLAIL PARTS BOOK GROUND ROLLER BEARING 10-1051 All Flail Assemblies TORQUE TORQUE REF# PARTS DESCRIPTION PART# (ft-lbs) (Nm) TAPER BEARING 10-1049 TAPER BEARING RACE 10-1050 ROLL PIN 11-2006 11-2065 28.7 38.9 5/16 X 1-3/4 NC SHCS THRUST WASHER 2.00 OD X 1.26 ID...

  • Page 50: Index

    INDEX Baffle 21, 22 Intended Use 6 Belt Belt Replacement 20 Reversing Direction 21, 22 Knives 7, 30 Belt Drive 7 Hardware 30 Cutting Shaft Machine Requirements 9 Bearings 7, 22 Maintenance Chart 19 Bolts 22 Mounting the Attachment 9 Discharge Flap 23 Operation Draft Beam...
  • Page 51 INDEX Pulley Alignment 20 Reversing Direction 21, 22 Shock Absorber 8 Skid Shoes 33 Spring Tension 34 Support Stands 9, 28 Swing Arm 8, 8 Swivel 8, 35 Tractor Requirements. See also Machine Requirements Transferred Ownership 4 Troubleshooting 36 Welcome 3...
  • Page 52 15-1102 RSF-MANUAL...