BROWN 672HD Owner's/Operator's Manual
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BROWN 672HD Owner's/Operator's Manual

Heavy duty cutter
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For use with the following starting Serial Numbers:
S605B-XXXX
Example: S605B-1295
www.brownmfgcorp.com
Owner / Operator Manual
672HD Model
Heavy Duty Cutter
ATTENTION:
ALL WARRANTY WORK MUST BE APPROVED
BY BROWN MFG. CORP.
BEFORE WORK BEGINS
Before operating your machine,
stop and read this owners manu-
al. Do not attempt to operate the
unit until you fully understand the
material covered in this manual.
Without the knowledge contained
in this manual, injury or death can
result.
WARNING

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  • Page 1 For use with the following starting Serial Numbers: S605B-XXXX Heavy Duty Cutter Example: S605B-1295 ATTENTION: ALL WARRANTY WORK MUST BE APPROVED BY BROWN MFG. CORP. BEFORE WORK BEGINS Owner / Operator Manual WARNING Before operating your machine, stop and read this owners manu- al.
  • Page 2 This publication may be freely reproduced, either in whole or in part, provided that the content herein is not altered. We encourage you to make copies of this manual and to distribute it to every operator of the machine. Additional copies are also available from Brown Manufacturing Corporation.

  • Page 3: Table Of Contents

    Contents Warranty .............4 Registration ............5 Equipment Safety ..........7 Assembly ............16 Operation ............18 Maintenance ............20 Troubleshooting ..........28 Specifications ..........29 Replacement Parts ..........30...

  • Page 4: Warranty

    The obligation of Brown shall be limited to replacing or repairing the detective product, at the option of Brown. Brown shall not be responsible for any labor or cost of removal or repairing or reinstallation of its products and shall not be liable for transportation costs to and from its plant in Ozark, Alabama.

  • Page 5: Registration

    •If a warranty claim is approved, replacement or repaired parts will be returned to the customer freight prepaid. •If a dealer makes any type of approved warranty repair, only parts and labor will be credited by Brown Manufacturing Corp. No service call or transportation charges are warrantable.
  • Page 6 *Second copy is to stay with the unit at all times. This will provide the operator the information needed for safe and proper operation of the unit. *If the Owner’s Manual becomes lost or damaged, contact Brown Mfg. or your local dealer for replacement.

  • Page 7: Equipment Safety

    *Second copy is to stay with the unit at all times. This will provide the operator the information needed for safe and proper operation of the unit. *If the Owner’s Manual becomes lost or damaged, contact Brown Mfg. or local dealer for replacement, or go to our website at: http://www.brownmfgcorp.com/manuals/index.html.
  • Page 8 Unauthorized modifications to the equipment are not recommended. This could impair the function, safety, and life of the machine. • For any part of this manual that you do not understand, contact your dealer or Brown Manufacturing Corporation at (800) 633-8909. •...
  • Page 9 The following safety decals should be attached to the equipment at all times. Should any decals become damaged or lost, it is the responsibility of the owner to replace it. Additional decals may be obtained from the dealer or Brown Manufacturing Corporation. WARNING...
  • Page 10 Equipment Safety Safety Decals (continued) DANGER DANGER DANGER ROTATING BLADES To prevent serious injury or death from rotating blades: ROTATING DRIVELINE - CONTACT CAN CAUSE DEATH • SHIELD MISSING KEEP AWAY! Stay clear when blades are DO NOT OPERATE WITHOUT - turning or engine is running.
  • Page 11 SD-005A Safety Decal: Rotating blades. (2 req.) SD-006A Safety Decal: Rotating driveline. SD-011A Safety Decal: Missing deflector hazard. SD-007A Safety Decal: Operate only at 540 RPM. SD-008A Safety Decal: Operate only at 1000 RPM. Not pictured SD-672 Brown 672 Decal...
  • Page 12 Equipment Safety Warning WARNING Transport with care. Transport with care. Use slow-moving Before transporting to a new location, make certain vehicle emblem that the slow-moving vehicle (SMV) emblem is and flashing light. installed and is clearly visible. Use flashing lights Follow local and follow local traffic regulations.
  • Page 13 Equipment Safety WARNING Warning Prepare for emergencies. Prepare for Fire emergencies. Keep fire extinguisher and first aid kit available. Keep fire extinguisher Inspect fire extinguisher and check for charge and first daily. Check first aid kit for expired contents aid kit available. and keep stocked.
  • Page 14 Equipment Safety WARNING Warning Wear protective Wear protective clothing. clothing. Wear close-fitting clothing and other protective devices appropriate for the job. WARNING Warning Use only with Roll-over protection. tractors equipped Do not operate the cutter on any tractor not with a certified equipped with a certified roll-over protective roll-over protective structure (ROPS).
  • Page 15 Equipment Safety Danger DANGER Stay clear of rotating Stay clear of rotating drivelines. drivelines. Keep driveline Entanglement in driveline can cause serious shields in place. injury or death. Keep driveline shields in place at all times during operation. Driveline must turn freely inside shields.

  • Page 16: Assembly

    Assembly 1. Install tailwheel stem into fork holder tube, placing collar over stem and inserting roll key through collar and stem. 2. Raise A-frame from its shipping position to its operational position (almost perpendicular to the cutter deck). Remove bolt holding Flex-link toggle to the A-frame. Install A-frame braces to outside surface of A-frame and replace bolt.
  • Page 17 Assembly 4. Separate the male and female halves of the drive shaft. Apply heavy grease to the telescoping portion of the male drive shaft; recouple the drive shaft. 5. Locate the slip clutch bell shield, clamp, and mounting plate attached to the machine. Remove the mounting bolts, flat washers, and lock washers from the gearbox face plate.

  • Page 18: Operation

    Operation Before hitching cutter to your tractor, make sure all safety devices are installed on both the cutter and the tractor. Please follow all safety instructions and procedures. STOP Attach equipment to tractor. Be sure the tractor is equipped with the correct category hitch pins, top link, etc. Be extremely careful when positioning tractor to hitch to the equipment.
  • Page 19 The momentum created by the blade carrier can push the tractor forward unexpectedly. Warning Operate cutter only with the specified PTO RPM. Brown 672 Model cutters are designed to operate at 540 RPM; however, a 1000 RPM design is an option.
  • Page 20 Blade bolts MUST be kept tight and checked twice daily during operation. Every hour for the first 8 hours of use. Brown’s blade bolts are designed for the extreme conditions and should not be substituted for any reason 600 Series blade bolts are RIGHT hand thread Bolts and lock nuts are matched as pairs or sets –...
  • Page 21 OPERATING INSTRUCTIONS con’t CLUTCH CLUTCH WEAR OR FAILURE is not covered under warranty. Improper operation of the unit will cause the clutch to slip: When the clutch slips the operator must lift the cutter off the obstruction immediately. Clutch must be allowed to cool after slippage. Excessive ground speed or dull blades will overload the clutch capacity.

  • Page 22: Maintenance

    Maintenance Safety When Working Under Cutter Deck Never work under the cutter deck until: • The cutter is sufficiently braced and supported • The tractor engine is off, brake is set, and key is removed • PTO has been disengaged •...
  • Page 23 Maintenance Warning! Use only blades and blade bolts supplied by Brown Manufacturing Corporation. Warning! If the blades must be sharpened, follow the proper safety procedures listed on page 22 of this manual for working under the cutter deck. Tightening Blade Bolts and Blade Bar Tighten blade bolts each hour for the first eight hours of use;...
  • Page 24 A blade carrier damaged in this manner must be taken out of service immediately. Repair the blade carrier (contact Brown Mfg. Corp. for instructions) and replace the blades and blade bolts before returning the machine to service.
  • Page 25 Maintenance Sharpening Blades Blade sharpening procedure: Cutter blades are manufactured from Ultra-Kor Steel. When sharpening this blade using a side grinder keep the grinder moving at all times. DO NOT allow the grinder to stop or rest in one spot, because this will over heat the material and cause it to turn “blue”.
  • Page 26 PTO output speed. The Tree Cutter is designed to operate at a certain PTO speed (NOT BOTH). Refer to model number or call Brown Mfg. Corp. if you have questions about your Tree Cutter design speed.
  • Page 27 8. NEVER – Allow an untrained operator to operate this equipment. 9. ALWAYS – Install only genuine Brown replacement parts. 10. ALWAYS – Remain on tractor seat until blades have stopped turning and all tractor shut down procedures have been completed.

  • Page 28: Troubleshooting

    1. Cutting too low 1. Increase cutting height 2. Increase cutting height Cutting in sandy or rocky conditions 3. Inadequate blades 3. Replace with Brown blades Not cutting clean 1. Dull blades 1. Sharpen or replace blades 2. Insufficient PTO speed 2.

  • Page 29: Specifications

    Specifications True Cutting Width 72” (6’) Overall Deck Width 81” (6’ 9”) Cutting Elevation 2” to 12” Deck Construction 1/4” steel plate A-frame Construction 3 x 3 x 1/4” tubing with Flex Link Category II hitch Weight 1720 lbs. Blades Qty.

  • Page 30: Replacement Parts

    Replacement Parts Standard: Tailwheel Assembly w/ Tail Wheel No Longer Available Heavy Duty Tailwheel Assembly 21,22 Washers both sides.
  • Page 31 Tire and wheel assembly 232-5000 Heavy Duty Tail Wheel Assembly 232-5010 Tail Wheel Arm Base 232-5050 672HD Tail Wheel Arm TC-119X Tail Wheel Fork Holder HC512C88Z 3/4 - 10 x 5 1/2” Grade 5 Bolts NNE34CZ Nylon Lock Nut 3/4 - 10 Zinc NC WSA834Z 3/4”...
  • Page 32 Replacement Parts Deck Assembly...
  • Page 33 Replacement Parts Deck Assembly (continued) Ref. No. Part No. Qty. Description TC2-031 A-frame, tri-bend 232-0028 Bell shield assembly, complete 700-232-0030 Plate, Guard, Driveshaft 700-232-0031 Guard, Driveshaft HC56C12Z Bolt, 3/8-16 x 3/4 HCS GR5, Qty 3 LOC38Z Washer, Lock 3/8 Zinc, Qty 3 BM-540 145 HP Gearbox 540 RPM BM-1000...
  • Page 34 Replacement Parts 145 HP Gearbox...
  • Page 35 Replacement Parts 145 HP Gearbox (continued) Ref. No. Part No. Description B M - 10 0 C ov e r p l a t e B M- 1 10 T op o u t pu t s ha f t nut B M- 1 04 G e a r s e t - 1 00 0 R P M B M- 1 13...
  • Page 36 Replacement Parts Drive Shaft / Slip Clutch Ref. No. Part No. Description T5-W36 Yoke, 1 3/8” x 6 Spline 540 RPM T5-W4 U-Joint Kit (Cross & Bearing) T5-W5 Inboard Yoke, Inner Profile T5-W7 Outboard Yoke, Outer Profile T5-W36 Yoke with quick-disconnect pin kit, 540 RPM 236-0614 Inner Profile Tube 236-0615...
  • Page 37 Replacement Parts Drive Shaft & Slip Clutch (continued) Ref. No. Part No. Description 236-0636 Locknut M12 236-0638 Bolt M12 x 85 236-0634 Clamp Cone in #11 installation instructions below. 236-0642 Belleville Spring 236-1703 Friction Disc 236-1805 Drive Plate 236-0644 Hex Nut M8 236-0646 Drive Plate 236-0648...
  • Page 38 38 38 Replacement Parts Drive Shaft & Slip Clutch 1000 RPM Ref. No. Part No. Qty. Description T5-W1 Yoke with quick-disconnect pin kit, 1000 RPM 1 3/8” -21 Spl. ASG T5-W4 U-Joint Kit (Cross & Bearing) T5-W5 Inboard Yoke, Inner Profile T5-W7 Outboard Yoke, Outer Profile 236-0614...
  • Page 39 Please record all maintenance and repair services performed on the cutter. This log may help identify reoccurring problems with your cutter and may be requested by the manufacturer when making war- ranty claims. Additional log pages may be copied or ordered from Brown Mfg. Corp. Date...
  • Page 40 Model: 672HD This Manual for use with Serial Numbers with 5th character of B Example: S605B-1000 Version 2.7.1 August 2018 www.brownmfgcorp.com...

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