Bush Hog RD5 Operator's Manual

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Published 05/12

This Operator's Manual is an

integral part of the safe operation

of this machine and must be

maintained with the unit at all

times. READ, UNDERSTAND, and

Operation Instructions contained

in this manual before operating

the equipment. C01-Cover_B

BUSH HOG

2501 Griffin Ave.

Selma, AL 36703

334-874-2700

Correo electronico: www.bushhog.com

OPERATOR'S MANUAL

the

Safety

RD5/RD6

Important

Operating

and Safety Instructions

are found in the Mower

Safety Video that can

and

be instantly accessed

the

internet

www.algqr.com/bve

ROTARY MOWER

Part No. 50068908C

at:

$0.00

Table of Contents

Summary of Contents for Bush Hog RD5

Page 1: Rotary Mower
RD5/RD6 ROTARY MOWER Published 05/12 Part No. 50068908C OPERATOR’S MANUAL This Operator's Manual is an integral part of the safe operation Important Operating of this machine and must be and Safety Instructions maintained with the unit at all are found in the Mower times.
Page 3 In order to reduce accidents and enhance the safe operation of mowers, Bush Hog, in cooperation with other industry manufacturers has developed the AEM/FEMA Industrial and Agricultural Mower Safety Practices video and guide book. The video will familiarize and instruct mower-tractor operators in safe practices when using industrial and agricultural mowing equipment.
Page 4 Bush Hog will provide one (1) AEM Mower Safety Practices Video Please Send Me: VHS Format – AEM/FEMA Mower Operator Safety Video DVD Format – AEM/FEMA Mower Operator Safety Video Mower Operator’s Manual AEM Mower Operator’s Safety Manual Requester Name...
Page 5 A Manual canister is provided on the implement where this manual can be properly stored. If you lose or damage this manual a free replacement manual can be obtained from an authorized Bush Hog dealer or by down loading the manual from the Bush Hog website www.bushhog.com...
Page 6 DEALER to CUSTOMER Pre-Delivery / Operation Instructions Dealer should inform the Purchaser of this product of Warranty terms, provisions, and procedures that are applicable. Dealer should also inform the Purchaser to review the contents of the Operator’s Manual including safety equipment, safe operation and maintenance, to review the Safety Signs on the implement (and tractor if possible) and of Purchaser’s responsibility to train his/her operators in safe operation procedures.
Page 7: Table Of Contents
TABLE OF CONTENTS SAFETY SECTION ..................1-1 GENERAL SAFETY INSTRUCTIONS AND PRACTICES................1-2 OPERATOR SAFETY ............................1-3 CONNECTION OR DISCONNECTING IMPLEMENT SAFETY ............... 1-4 CRUSHING HAZARDS............................. 1-5 THROWN OBJECT HAZARDS......................... 1-6 RUN OVER HAZARDS ............................. 1-8 PTO ENTANGLEMENT HAZARDS ........................1-9 MOWER BLADE CONTACT HAZARDS......................
Page 8 STARTING THE TRACTOR ..........................4-8 CONNECTING THE MOWER TO THE TRACTOR ..................4-8 Connecting Mower ............................4-9 Safety Tow Chain.............................. 4-9 SETTING THE MOWER ..........................4-10 Setting Mower Height- Lift Type - (Standard or Quick Hitch) ................4-11 Setting Deck Pitch............................4-12 DRIVELINE ATTACHMENT ...........................
Page 10: General Safety Instructions And Practices
NOTE: If you want a translation of this safety section in one of the following Languages, please contact: Translations at 1502 E. Walnut Street Seguin, TX 78155; Fax: (830) 372-9529; Safety Section Translations are available in Spanish, Portuguese, French, German, Russian. PN GS01 RD5-RD6 05/12 Safety Section 1-2 © 2012 Alamo Group Inc.
Page 11: Operator Safety
DO NOT EXCEED IMPLEMENT RATED PTO SPEED • AVOID exceeding rated PTO speeds that may result in broken drivelines or blade failures. SAFETY SIGNS: • REPLACE missing, damaged or unreadable safety signs immediately. PN OS01 RD5-RD6 05/12 Safety Section 1-3 © 2012 Alamo Group Inc.
Page 12: Connection Or Disconnecting Implement Safety
• Increased working length exposing unshielded driveline areas and entanglement hazards. DO NOT connect the Mower to a tractor with the PTO directly connected to the Tractor transmission. PN CD02 RD5-RD6 05/12 Safety Section 1-4 © 2012 Alamo Group Inc.
Page 13: Crushing Hazards
• USE tongue jack to control implement tongue movement. • USE tongue JACK to lift heavy implement tongues. • AVOID overloading jack to prevent jack failure and injury. PN CH02 RD5-RD6 05/12 Safety Section 1-5 © 2012 Alamo Group Inc.
Page 14: Thrown Object Hazards
3. INSPECT AREA thoroughly before mowing to REMOVE potential THROWN OBJECT HAZARDS, 4. NEVER ALLOW BLADES to CONTACT SOLID OBJECTS like wire, rocks, post, curbs, guardrails, or ground while mowing. PN TO02 RD5-RD6 05/12 Safety Section 1-6 © 2012 Alamo Group Inc.
Page 15 STOP mowing when EXCESSIVE VIBRATION occurs: 1. STOP PTO and tractor ENGINE. 2. INSPECT mower for vibration source. 3. REPLACE any damage parts and bent or damaged BLADES. PN TO01-X RD5-RD6 05/12 Safety Section 1-7 © 2012 Alamo Group Inc.
Page 16: Run Over Hazards
ONLY mount or dismount when tractor and moving parts are stopped. • STOP ENGINE AND PTO, engage parking brake, lower implement, allow all moving parts to stop and remove key before dismounting from tractor. PN RO01 RD5-RD6 05/12 Safety Section 1-8 © 2012 Alamo Group Inc.
Page 17: Pto Entanglement Hazards
DO NOT USE PTO ADAPTER. Using a PTO adapter can cause excessive vibration, thrown objects, blade and implement failures by doubling operating speed. Increased working length exposing unshielded driveline areas. PN PE01 RD5-RD6 05/12 Safety Section 1-9 © 2012 Alamo Group Inc.
Page 18: Mower Blade Contact Hazards
KEEP hands and body AWAY from pin holes and nozzles ejecting hydraulic fluid. • Hydraulic fluid may cause gangrene if not surgically removed immediately by a doctor familiar with this form of injury. PN HP01 RD5-RD6 05/12 Safety Section 1-10 © 2012 Alamo Group Inc.
Page 19: Electrical & Fire Hazards
ADJUST SLIP CLUTCHES to avoid excessive slippage and clutch plate heating. • CLEAR any grass clippings or debris buildup around mower drivelines, slip clutches, and gearboxes. • SHUT OFF ENGINE while refueling. PN EF02 RD5-RD6 05/12 Safety Section 1-11 © 2012 Alamo Group Inc.
Page 20: Transporting Hazards
USE low speeds and gradual steering on curves, hills, rough or uneven surfaces and on wet roads • TURN ON tractor FLASHING WARNING LIGHTS. • ALLOW clearance for implement swing while turning. PN TH02 RD5-RD6 05/12 Safety Section 1-12 © 2012 Alamo Group Inc.
Page 21: Hazards With Maintenance Of Implement
• Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. PN HM01 RD5-RD6 05/12 Safety Section 1-13 © 2012 Alamo Group Inc.
Page 22: Parts Information
PARTS INFORMATION PARTS INFORMATION Bush Hog mowers use balanced and matched system components for blade carriers, blades, cuttershafts, knives, knife hangers, rollers, drivetrain components, and bearings. These parts are made and tested to Bush Hog specifications. Non-genuine "will fit" parts do not consistently meet these specifications. The use of “will fit”...
Page 23: Decal Location
SAFETY Decal Location NOTE: Bush Hog supplies safety decals on this product to promote safe operation. Damage to the decals may occur while in shipping, use, or reconditioning. Bush Hog cares about the safety of its customers, operators, and bystanders, and will replace the safety decals on this product in the field, free of charge (Some shipping and handling charges may apply).
Page 24 Crushing Hazard (Decal Under Deck) 00756005 DANGER Rotating Driveline (Not Shown) ** Furnished by Driveline Manufacturer Decal Sheets Liability Sheet - 00781352 Logo Sheet RD5 - 00787356 Logo Sheet RD6 - 00787357 RD5-RD6 05/12 Safety Section 1-16 © 2012 Alamo Group Inc.
Page 25: Decal Description
FROM BLADE ATTACHMENT FAILURE: Torque blade bolt to 300 ft lbs. ALWAYS replace blades in pairs. ALWAYS replace blades with new bolts and nuts. Blade Nut Blade Pan Blade D395 Blade Bolt RD5-RD6 05/12 Safety Section 1-17 © 2012 Alamo Group Inc.
Page 31: Federal Laws And Regulations
Some regulations specify that no one under the age of 16 may operate power machinery. It is your responsibility to know what these regulations are in your own area or situation. (Refer to U.S. Dept. of Labor, Employment Standard Administration, Wage & Home Division, Child Labor Bulletin #102.) RD5-RD6 05/12 Safety Section 1-23 © 2012 Alamo Group Inc.
Page 34 INTRODUCTION We are pleased to have you as a Bush Hog customer. Your Rotary Cutter has been carefully designed with care and built with quality materials by skilled workers to give maximum service with minimum down time. This manual is provided to give you the necessary operating and maintenance instructions for keeping your rotary cutter in top operating condition.
Page 35: Equipment Specifications
INTRODUCTION The Bush Hog RD5-RD6 Rotary Mower is designed for medium duty applications such as weed, grass, corn stalks and light brush to 1” diameter. These mowers are single spindle with two free-swinging blades. Free swinging blades reduce the shock of impact when a stationary object is hit. Additional protection is provided by a shear bolt on the gearbox input shaft.
Page 36: Key Operation Points
OEM of the Agricultural tractor used to power and transport this machine would be valid when this machine is attached to and operated by that Agricultural tractor in all OEM recommended applications. RD5-RD6 05/12 Introduction Section 2-4 © 2012 Alamo Group Inc.
Page 37: Limited Warranty
2. If the unit has been subjected to misapplication, abuse, misuse, negligence, fire or other accident. 3. If parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judge- ment of Bush Hog such use affects its performance, stability or reliability.
Page 40: Dealer Setup Instructions
5/16” x 3/4” capscrews (5) and four 5/16” flatwashers (6) through the slotted holes in the support ring with the flatwashers between the slot and the capscrew head. Center the shield on the gearbox shaft and tighten. RD5-RD6 05/12 Assembly Section 3-2...
Page 41: A-Frame Installation
3. Attach the Lift Strap Bars (6) to the A-Frame Bars (1) with one Bolt (10), Top Link (11), Bushing, (12), and Nut (13). 4. Tighten all bolts to the proper torque. RD5-RD6 05/12 Assembly Section 3-3 © 2012 Alamo Group Inc.
Page 42: Tailwheel Installation
Nuts (6). 3. Insert the Tail Wheel Assembly into the Tail Wheel Beam (1) and retain with Flatwasher (8), and Cotter Pin (8). 4. Tighten all Bolts to the proper torque. RD5-RD6 05/12 Assembly Section 3-4 © 2012 Alamo Group Inc.
Page 43: Shear Bolt Or Slip Clutch Driveline Installation
Deflectors must be maintained in good repair or replaced after no more than two inches of wear off lower edge. RD5-RD6 05/12 Assembly Section 3-5 © 2012 Alamo Group Inc.
Page 44: Front Deflector
NOTE: Make sure mower is level when checking oil in the gearbox. Gearbox capacity is 18 oz. NOTE: Overfilling of Gearbox will cause pressure to build up and cause Grease Seals to leak. RD5-RD6 05/12 Assembly Section 3-6 © 2012 Alamo Group Inc.
Page 46 BUSH HOG RD5-RD6 ROTARY MOWER OPERATION INSTRUCTIONS Bush Hog RD5-RD6 rotary mowers are manufactured with quality material by skilled workers. These mowers are designed to cut grass, weeds, small brush and other vegetative material up to 1” diameter in areas such as pastures, industrial areas, and roadsides.
Page 47: Operator Requirements
Serious injury or death to the operator or others could result if the operator is under the influence of drugs or alcohol. (SG-27) RD5-RD6 05/12 Operation Section 4-3 © 2012 Alamo Group Inc.
Page 48: Tractor Requirements
-Maximum ....50 HP • Hitch -Lift Type Mower: - Lifting Capacity ..RD5 - 522 lbs., RD6 - 638 lbs. - 3-Point Hitch .... CAT I • Front End Weight ......As needed to maintain 20% weight on front axle •...
Page 49: Tractor Horsepower
The power required to operate a mower is determined by the tractor PTO horsepower. For most mowing conditions, the RD5-RD6 mower requires a tractor with at least 20 HP for the RD5 and 25 HP for the RD6. Operating the mower with a tractor that does not have adequate power may damage the tractor engine.
Page 50: Tire Spacing
OPS-U- 0007 Do not mount or dismount the Tractor while the tractor is moving. Mount the Tractor only when the Tractor and all moving parts are completely stopped. (SG-12) RD5-RD6 05/12 Operation Section 4-6 © 2012 Alamo Group Inc.
Page 51: Boarding The Tractor
Use all handrails and steps for support and never rush or jump off the tractor. OPS-U- 0009 RD5-RD6 05/12 Operation Section 4-7 © 2012 Alamo Group Inc.
Page 52: Starting The Tractor
Always shut the Tractor completely down, place the transmission in park, and set the parking brake before you or anyone else attempts to connect or disconnect the Implement and Tractor hitches. (S3PT-15) RD5-RD6 05/12 Operation Section 4-8 © 2012 Alamo Group Inc.
Page 53: Connecting Mower
When not in use, store the safety chain to protect it from mud or standing water by wrapping the chain around the tongue. Replace the safety chain if one or more links or end fittings are broken, stretched or otherwise damaged or deformed. OPS-U-0039 RD5-RD6 05/12 Operation Section 4-9 © 2012 Alamo Group Inc.
Page 54: Setting The Mower
Never work under the Implement, the framework, or any lifted component unless the Implement is securely supported or blocked up to prevent sudden or inadvertent falling which could cause serious injury or even death. (SG-14) RD5-RD6 05/12 Operation Section 4-10 © 2012 Alamo Group Inc.
Page 55: Setting Mower Height- Lift Type - (Standard Or Quick Hitch)
2 to 2½” before the tail wheel leaves the ground. This will allow the mower to follow the contour of uneven terrain. RD5-RD6 05/12 Operation Section 4-11 © 2012 Alamo Group Inc.
Page 56: Setting Deck Pitch
PTO shaft, release the locking collar, and position the yoke until the locking collar balls are seated onto the PTO shaft. Push and pull the driveline back and forth several times to ensure a secure attachment. OPS-R-0003_A RD5-RD6 05/12 Operation Section 4-12 © 2012 Alamo Group Inc.
Page 57: Driveline Length Check
If the distance between the mark and the outer shield becomes less than 2” at any point there is a potential problem bottoming out the driveline and the driveline should be shortened. OPS-R-0004_F RD5-RD6 05/12 Operation Section 4-13 © 2012 Alamo Group Inc.
Page 58: Pre-Operation Inspection And Service
Implement. Never work on the Implement with the tractor PTO driveline connected and running. Rotating Parts, Blades or Drivelines could turn without warning and cause immediate entanglement, injury or death. (S3PT-11) RD5-RD6 05/12 Operation Section 4-14 © 2012 Alamo Group Inc.
Page 59 Make sure all pins have cotter pins and washers. Serious injury may occur from not maintaining this machine in good working order. (SG-21) RD5-RD6 05/12 Operation Section 4-15 © 2012 Alamo Group Inc.
Page 60: Tractor Pre-Operation Inspection/Service
Ensure the manual canister is secured to the equipment with the operator’s manual inside. • Ensure all safety signs are in place and legible. Replace missing, damaged, and illegible decals. OPS-U- 0011 RD5-RD6 05/12 Operation Section 4-16 © 2012 Alamo Group Inc.
Page 61 Missing, broken, or worn items must be replaced at once to reduce the possibility of injury or death from thrown objects, entanglement, or blade contact. (SGM-3) RD5-RD6 05/12 Operation Section 4-17 © 2012 Alamo Group Inc.
Page 62 Inspect the gearbox oil level. A low oil level is a warning sign that the gearbox may be cracked or its seal is damaged and needs replacement. • Ensure the gearbox vent is in place and free from clogs. OPS-R-0040 RD5-RD6 05/12 Operation Section 4-18 © 2012 Alamo Group Inc.
Page 63: Cutting Component Inspection
• Ensure blade pan nut is tightened with the cotter pin inserted and spread. OPS-R-0041 8.3 Cutting Component Inspection Inspect blade pan and blade assembly for the following: OPS-U-0031 RD5-RD6 05/12 Operation Section 4-19 © 2012 Alamo Group Inc.
Page 64 To help prevent structural damage caused by loose hardware, tighten gearbox mounting hardware as specified. Check the fastener torque after first 8 hours of use and every 50 hours thereafter. RD5-RD6 05/12 Operation Section 4-20 © 2012 Alamo Group Inc.
Page 65 Failure to replace abnormally worn blades may lead to catastrophic failure of the blades and ejection of the broken part with tremendous force which may cause serious bodily injury or death. OPS-U-0032 RD5-RD6 05/12 Operation Section 4-21 © 2012 Alamo Group Inc.
Page 66: Blade Bolt Inspection
Failure to replace abnormally worn blade bolts may lead to catastrophic failure of the blades and ejection of the broken part which may cause serious bodily injury or death. Always replace Blade Bolts with new bolts whenever replacing the Blades. OPS-U-0037 RD5-RD6 05/12 Operation Section 4-22 © 2012 Alamo Group Inc.
Page 67 Blades are not chipped, cracked or bent Blade bolts are tight Wheel lug nuts are tight Transport locks are in good condition Make____________________ Shift ____________________ Operator’s Signature: DO NOT OPERATE an UNSAFE TRACTOR or MOWER RD5-RD6 05/12 Operation Section 4-23 © 2012 Alamo Group Inc.
Page 68 The engine coolant fluid level is full The radiator is free of debris The air filter is in good condition Operator’s Signature:___________________________________________________ DO NOT OPERATE an UNSAFE TRACTOR or IMPLEMENT RD5-RD6 05/12 Operation Section 4-24 © 2012 Alamo Group Inc.
Page 69: Driving The Tractor And Implement
When operating in traffic always use the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around you and watch out for the other guy. (SG-19) RD5-RD6 05/12 Operation Section 4-25 © 2012 Alamo Group Inc.
Page 70: Starting The Tractor
When operating in traffic, always use the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around you and watch out for the other guy. RD5-RD6 05/12 Operation Section 4-26 © 2012 Alamo Group Inc.
Page 71: Raising The Mower
Use extreme caution when operating on steep slopes. Keep the tractor in a low gear when going downhill. DO NOT coast or free-wheel downhill. OPS-R-0019 RD5-RD6 05/12 Operation Section 4-27 © 2012 Alamo Group Inc.
Page 72: Crossing Ditches And Steep Inclines
When confronted with an incline or ditch, do not approach from an angle which is perpendicular or straight on as damage to or over-collapse of the driveline may occur. OPS-R-0021_A RD5-RD6 05/12 Operation Section 4-28 © 2012 Alamo Group Inc.
Page 73: Operating The Tractor And Implement
Stop mowing immediately if blades strike a foreign object. Repair all damage and make certain rotor or blade carrier is balanced before resuming mowing. (SGM-05) RD5-RD6 05/12 Operation Section 4-29 © 2012 Alamo Group Inc.
Page 74: Foreign Debris Hazards
The seat belt is your best protection from falling off the tractor and the ROPS provides protection from being crushed during a tractor roll-over. OPS-R-0023 Raise Mower over solid objects RD5-RD6 05/12 Operation Section 4-30 © 2012 Alamo Group Inc.
Page 75: Bystanders/Passersby Precautions
Raising the Mower deck exposes the Cutting Blades which creates a potentially serious hazard and could cause serious injury or even death from objects thrown from the Blades. (SRM-07) RD5-RD6 05/12 Operation Section 4-31 © 2012 Alamo Group Inc.
Page 76: Pto Rpm And Ground Speed
Normal ground speed range is from 2 to 5 mph(3-8 kph). Use slow mowing speeds when operating on or near steep slopes, ditches, drop-offs, overhead obstructions, power lines, or when debris and foreign objects are to be avoided. (SGM-07) RD5-RD6 05/12 Operation Section 4-32 © 2012 Alamo Group Inc.
Page 77: Operating The Mower
Never mow an area that you have not inspected and removed debris or foreign material. (SGM-08) RD5-RD6 05/12 Operation Section 4-33 © 2012 Alamo Group Inc.
Page 78 Raising the Mower deck exposes the Cutting Blades which creates a potentially serious hazard and could cause serious injury or even death from objects thrown from the Blades. (SRM-07) RD5-RD6 05/12 Operation Section 4-34 © 2012 Alamo Group Inc.
Page 79 Tire damage can occur when driving over hot material. Oil and grease on the tractor and mower could ignite resulting in equipment destruction. Carry a fire extinguisher on the tractor at all times to extinguish possible fires encountered RD5-RD6 05/12 Operation Section 4-35 © 2012 Alamo Group Inc.
Page 80: Right Of Way (Highway) Mowing
Mower sections or wings are adjusted to be close and parallel to ground without exposing blades. • MOWING AREA has been inspected and foreign materials and debris have been removed. • PASSERSBY are inside enclosed vehicle. OPS-U-0040 RD5-RD6 05/12 Operation Section 4-36 © 2012 Alamo Group Inc.
Page 81: Shutting Down The Implement
OPS-R-0030_A Never stand or allow another person to stand between a running Tractor and the Mower when disconnecting the Implement from the Tractor 3-point hitch. RD5-RD6 05/12 Operation Section 4-37 © 2012 Alamo Group Inc.
Page 82 Do not let the driveline fall into mud or dirt, which can contaminate the bearing and shorten the life of the driveline. OPS-R-0031_B RD5-RD6 05/12 Operation Section 4-38 © 2012 Alamo Group Inc.
Page 83: Mower Storage
By using good judgement and following safe transport procedures, the possibility of accidents while moving between locations can be substantially minimized. OPS-U- 0017 RD5-RD6 05/12 Operation Section 4-39 © 2012 Alamo Group Inc.
Page 84: Tire And Wheels
15 MPH. Excessive speed can cause damage to the machine and tire sections. Sectional tires must be installed such that the rubber segments lay with the ground. OPS-R-0035_A RD5-RD6 05/12 Operation Section 4-40 © 2012 Alamo Group Inc.
Page 85: Transporting On Public Roadways
Consult an authorized tractor dealer for lighting kits and modifications available to upgrade the lighting on older tractor models. OPS-U- 0021 RD5-RD6 05/12 Operation Section 4-41 © 2012 Alamo Group Inc.
Page 86: Hauling The Tractor And Implement
If during transport a hard braking, sharp turning or swerving action was performed, stop at the next safe location to inspect the security of the load. RD5-RD6 05/12 Operation Section 4-42 © 2012 Alamo Group Inc.
Page 87: Troubleshooting Guide
Wait for conditions to dry. Reduce ground speed. Blade Bolts Working Loose Bolts not tightened. Tighten Bolts to 300 ft./lbs. Bolt hole elongated or oversized. Replace Blade Carrier. Locknut worn out. Replace Locknut. RD5-RD6 05/12 Operation Section 4-43 © 2012 Alamo Group Inc.
Page 88 PTO engaged at high engine RPM Idle engine to engage PTO Cutting in rocky conditions Increase cutting height. Blade carrier RPM too high. Check gearbox ratios. Blades not properly heat treated. Consult your Dealer. RD5-RD6 05/12 Operation Section 4-44 © 2012 Alamo Group Inc.
Page 90: Hazards With Maintenance Of Implement
• Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. PN HM01 RD5-RD6 05/12 Maintenance Section 5-2 © 2012 Alamo Group Inc.
Page 91: Parts Information
PARTS INFORMATION PARTS INFORMATION Bush Hog mowers use balanced and matched system components for blade carriers, blades, cuttershafts, knives, knife hangers, rollers, drivetrain components, and bearings. These parts are made and tested to Bush Hog specifications. Non-genuine "will fit" parts do not consistently meet these specifications. The use of “will fit”...
Page 93: Gearbox Lubrication
Nylon Nuts back in through the aligned slots and turn until it is perpendicular to the slots. Add the other two Nylon Nuts. Make certain that the Driveline Integral Shields are free to telescope and rotate around the driveline without binding. RD5-RD6 05/12 Maintenance Section 5-5 © 2012 Alamo Group Inc.
Page 94: Shear Pin Yoke Lubrication
Adding even small amounts of grease will greatly prolong life of yoke. The shear bolt (1/2” x 3”) MUST BE a Grade 2 to ensure that it shears when high torque load is encountered. RD5-RD6 05/12 Maintenance Section 5-6 © 2012 Alamo Group Inc.
Page 95: Blade Servicing
NOTE: Replace Blades in pairs after no more than 1/2” notch wear. RD5-RD6 05/12 Maintenance Section 5-7 © 2012 Alamo Group Inc.
Page 96: Blade Sharpening
Strike opposite end of bar with sledge hammer. Rotate blade carrier 180 degrees and repeat process. RD5-RD6 05/12 Maintenance Section 5-8 © 2012 Alamo Group Inc.
Page 98: Blade Carrier Installation
When installing blades be sure and check blade bolt pivot diameter for wear. Replace bolt if worn more than 1/ 4 inch at any point. Tighten lock nut to 300 ft. lbs. RD5-RD6 05/12 Maintenance Section 5-10 © 2012 Alamo Group Inc.
Page 99: Blade Bolt Inspection
Failure to replace abnormally worn blade bolts may lead to catastrophic failure of the blades and ejection of the broken part which may cause serious bodily injury or death. Always replace Blade Bolts with new bolts whenever replacing the Blades. OPS-U-0037 RD5-RD6 05/12 Maintenance Section 5-11 © 2012 Alamo Group Inc.
Page 100: Proper Torque For Fasteners
NOTE: These values apply to fasteners as received from supplier, dry or when lubricated with normal engine oil. They do not apply if special graphited or molydisulphide greases or other extreme pressure lubricants are used. This applies to both UNF fine and UNC coarse threads. RD5-RD6 05/12 Maintenance Section 5-12 © 2012 Alamo Group Inc.

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Rd6

Bush Hog RD5 Operator's Manual

Safety Section

Introduction Section

Assembly Section

Front Deflector

Operation Section

Maintenance Section

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ROTARY MOWER

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