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Troubleshooting

Problem

Possible Cause(s)

Possible Solution(s)

Excessive vibration

1. Loose gearbox bolts

2. Loose blade bar and/or blade bolts

3. Blades are not freely swinging

4. Broken, bent, or warped blades

5. Blade bar not seated properly on

shaft

6. Blades not paired by weight

1. Tighten bolts

2. Tighten blade bar nut or blade bolt nuts

3. Clear blade of obstruction or repair

blade carrier (see page 21)

4. Replace set of blades and bolts

5. Remove blade bar; clean hub and

shaft; reseat

6. Check blades for equal weight

Excessive clutch slippage

1. Worn clutch linings or plates

2. Oil on lining

3. Glazed friction lining

4. Excessive force on clutch

5. Dull Blades

1. Repair clutch

2. Replace linings

3. Clean with emory cloth

4. Reduce ground speed, material intake,

or tractor size

5. Resharpen or replace

Overheating gearbox

1. Insufficient lubricant level

2. Improper lubricant

3. Debris build-up around gearbox

4. Bearing or gears set improperly

1. Fill to full level

2. Replace with correct lubricant

3. Remove debris

4. Consult dealer

Noisy gearbox

1. Rough gears

2. Worn bearings

3. Insufficent lube level

1. Run for a short break-in period or

replace gears

2. Replace bearing

3. Add lube.

Leaking gearbox

1. Damaged oil seal

2. Bent shaft

3. Oil seal installed incorrectly

4. Oil level too high

5. Shaft rough or pitted in oil seal

area

6. Shaft bore worn in casting

7. Damaged gasket

8. Loose bolts

1. Replace seal

2. Replace seal and shaft

3. Replace seal

4. Drain oil to proper level

5. Replace shaft

6. Replace casting or gearbox

7. Replace gasket

8. Tighten bolts.

Short blade life

1. Cutting too low

2. Cutting in sandy or rocky condi-

tions

3. Inadequate blades

4. Ground speed too fast

1. Increase cutting height

2. Increase cutting height

3. Replace with Brown blades

4. Slow ground speed

Not cutting clean

1. Dull blades

2. Insufficient PTO speed

3. Cutter not level

4. Ground speed too fast

5. Blades are not freely swinging

6. Low engine RPM

1. Sharpen or replace blades

2. Use correct PTO speed

3. Adjust cutter

4. Reduce ground speed

5. Clear blade of obstruction

6. Increase tractor RPM

Содержание 400 Series

Страница 1: ... 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 ATTENTION ALL WARRANTY WORK MUST BE APPROVED BY BROWN MFG CORP BEFORE WORK BEGINS ...

Страница 2: ...oduced 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 Manifacturing Corporation Cover Illustrated Model 472 rotary mower Disclaimer Due to engineering improvements and revision of product specifications the information cont...

Страница 3: ...Contents Warranty 4 Registration 6 Equipment Safety 7 Assembly 16 Operation 18 Maintenance 20 Troubleshooting 30 Specifications 31 Replacement Parts 32 ...

Страница 4: ...sonable amount as determined by Manufacturer and for returning the goods to the Dealer whether or not the claim is approved Purchaser is responsible for the transportation cost for the goods or part s from the Dealer to the factory 3 LIMITATION OF LIABILITY 3 01 MANUFACTURER DISCLAIMS ANY EXPRESS EXCEPT AS SET FORTH HEREIN AND IMPLIED WARRANTIES FOR A PARTICULAR PURPOSE 3 02 MANUFACTURER MAKES NO ...

Страница 5: ...iciently and safely read your manual thoroughly and follow these directions and the Safety Messages in this Manual The Table of Contents clearly identifies each section where you can easily find the information you need The OCCUPATIONAL SAFETY AND HEALTH ACT 1928 51 Subpart C makes these minimum safety requirements of tractor operators REQUIRED OF THE OWNER 1 Provide a Roll Over Protective Structu...

Страница 6: ...___________ I have been instructed on the paragraphs above received and have been instructed on the contents of the Operator s Manual including safety signs safety equipment safe operation maintenance and the potential hazards of unauthorized alterations or modifications of the product I have been informed of the warranty provisions and know that the warranty is not in effect until this form is re...

Страница 7: ...__________ I have been instructed on the paragraphs above received and have been instructed on the contents of the Operator s Manual including safety signs safety equipment safe operation maintenance and the potential hazards of unauthorized alterations or modifications of the product I have been informed of the warranty provisions and know that the warranty is not in effect until this form is rec...

Страница 8: ... provided with each unit One copy is for the owner to have at office for review when not operating the equipment Second copy is to stay with the unit at all times This will provide the operator the informa tion needed for safe and proper operation of the unit If the Owner s Manual becomes lost or damaged contact Brown Mfg or your local Brown dealer for free replacement IMPORTANT NOTICE OWNER S MAN...

Страница 9: ...this manual and to distribute it to each operator of the equipment for their training and reference Additional copies are available from Brown Manufacturing Corporation IMPORTANT NOTICE OWNER S MANUAL STORAGE CONTAINER Brown Manufacturing provides an Owner s Manual storage container on all equipment This holder is mounted in a convenient location and provides the owner with the proper safety and o...

Страница 10: ...t avoided will result in death or serious injury Follow safety instructions Read owner operator manual Replace missing or damaged safety decals Safety decals and this manual must be considered a permanent part of your equipment Should ownership of the equipment be transferred this manual must also be transferred Unauthorized modifications to the equipment are not recommended This could impair the ...

Страница 11: ...es les consignes du manuel de propriétarie avant d utiliser la unité Read and understand owner s manual be fore operating unit Part No SD 001A All models THROWN OBJECT HAZARD To prevent serious injury or death from thrown objects Stay clear when blade is turning Operate only with all guards installed and in good condition Stop operation if bystanders come within several hundred feet DANGER SD 007A...

Страница 12: ...009A All models Safety Decals continued WARNING To prevent serious injury or death Read and understand Operator s Manual before using Do not permit riders on the tractor or mower Never carry child on the tractor seat Operate with guards installed and in good condition Operate only with tractor equipped with ROPS and seatbelts Keep away from moving parts Stop engine set brake and wait for all movin...

Страница 13: ... Safety Decal General safety issues C SD 002 Safety Decal Tighten blade bolts D SD SW2 Safety Decal When servicing use proper tools and equipment E SD 010 Safety Decal Read and understand owners manual F SD 001A Safety Decal Thrown object hazard 2 req G SD 005A Safety Decal Rotating blades 2 req H SD 006A Safety Decal Rotating driveline Not pictured DC 3 5 018 Safety Decal Shield missing placed on...

Страница 14: ...ople Debris can be thrown hundreds of feet Clear work area of foreign objects such as wire glass and other debris Debris thrown by the mower can cause serious injury or death Warning Parking and dismounting The rotating parts of this mower continue to rotate even after the PTO has been disengaged The opera tor should remain seated until rotation has stopped He should then set the brake turn off th...

Страница 15: ...enance Replace or repair any safety device bolts etc if damaged or worn Danger Stay clear of rotating blades The mower is designed to cut grass and brush up to two inches in diameter Keep hands and feet from under mower deck WARNING Check equipment before operation Tighten all nuts and bolts WARNING Prepare for emergencies Keep fire extin guisher and first aid kit available Fire DANGER Maintain sa...

Страница 16: ... a certified roll over protective struc ture ROPS WARNING Slow travel speed when operating on slopes or rough ter rain WARNING Use only with tractors equipped with a certified roll over protective structure DANGER Danger Tighten blade bolts Blade bolts will stretch with use and must be tight ened Follow maintenance instructions in this man ual see page 21 If the mower is operated with loose blade ...

Страница 17: ... operation Driveline must turn freely inside shields Driveline shields must be chained to prevent rotation Stay clear of rotating drivelines Keep driveline shields in place DANGER Warning Hazardous service conditions While working under the mower deck be aware of safety hazards Follow safety precautions specified in this manual see page 22 Failure to exercise caution may lead to serious injury or ...

Страница 18: ...ntical to that of the 460 and 472 the 472D and the 484 have twin tailwheels and require this step to be completed twice 2 Install A frame on hitch brackets Install A frame braces to outside of front tailwheel brackets Remove bolt from top of A frame and mount A frame braces to outside surface of A frame Note Keep top toggle in position when reinstalling A frame bolt 3 Raise the mower with a tracto...

Страница 19: ... shaft splines 7 Slide aluminum bell shield and bell shield clamp over drive shaft and attach bell shield to mounting plate with the clamp Adjust clamp as needed to assure proper attachment Warning The driveline shield and bell shield must be kept in good operating condition Failure to maintain safety shields can result in injury or death 8 Check the drive shaft for proper length a Hitch the mower...

Страница 20: ...e to the tractor When attaching driveline to PTO shaft be certain that the quick disconnect pin is properly seated in the groove of the tractor s PTO shaft Warning A loose driveline could disconnect and cause personal injury or property damage Adjust Cutting Height Warning Be certain that tractor engine is stopped key is removed and all rotation of the mower has ceased before making adjustments Ca...

Страница 21: ...ardless of chosen ground speed always operate the PTO at the recommended RPM when cutting General Operation Warning Avoid personal injury Remove all rocks and other debris from work area before cut ting Observe the following guidelines when operating the mower Do not back the mower into material as this may bend the mower deck Never lower the mower onto material Avoid tight turns near trees or sta...

Страница 22: ...the gearbox Caution Failure to tighten the keeper bolts will shorten the life of the slip clutch hub 2 Check for debris deposited between the blade bar and the blades Debris found jamming or lock ing the blades must be removed to insure that the blade may pivot freely on the blade bolt Danger Failure to maintain freely pivoting blades will cause severe vibration or blade breakage which will result...

Страница 23: ...ust be tightened Allowing blade bolts to run loose will damage bottom of blade carrier and will lead to jammed blades Loose or jammed blades can and will cause serious injury or death 1 Disengage PTO be certain that all rotation has stopped 2 Lift mower high enough to place suitable supports under the mower deck 3 Turn tractor engine off remove key lock transmission and brakes chock rear wheels 4 ...

Страница 24: ...nto the indention when the bolt is tightened causing the blade to jam so that it can no lon ger pivot on the blade bolt Ajammed blade will break either from fatigue or from catostrophic occurance and will allow the blade to be ejected A blade carrier damaged in this manner must be taken out of service im mediately Repair the blade carrier contact Brown Mfg Corp for instructions and replace the bla...

Страница 25: ...he slip clutch regularly tighten the spring bolts if necessary When tightening clutch bolts torque the bolt nuts in sequence as illustrated Incrementally torque each bolt nut until each clutch spring measures 1 to 1 1 32 in length 1 8 6 3 4 5 7 2 ...

Страница 26: ...d Hour º 4th Hour 5th Hour 6th Hour 7th Hour 8th Hour Maintenance Repair Log Please record all maintenance and repair services performed on the mower This log may help identify reoccuring problems with your mower and may be requested by the manufacturer when making war ranty claims Additional log pages may be copied or ordered from Brown Mfg Corp ...

Страница 27: ...27 Maintenance Date Function Part s Involved Initials Maintenance Repair Log continued ...

Страница 28: ...improperly 1 Fill to full level 2 Replace with correct lubricant 3 Remove debris 4 Consult dealer Noisy gearbox 1 Rough gears 2 Worn bearings 3 Insufficent lube level 1 Run for a short break in period or replace gears 2 Replace bearing 3 Add lube Leaking gearbox 1 Damaged oil seal 2 Bent shaft 3 Oil seal installed incorrectly 4 Oil level too high 5 Shaft rough or pitted in oil seal area 6 Shaft bo...

Страница 29: ...e steel slides M 484 3 8 x 2 Replaceable front rear rubber deflectors Model Gearbox Cutting Width Tailwheels Driveshaft Size Weight Slip Clutch Hitch 460 120 HP 60 1 5 900 lbs 2 disc Category I II 472 120 HP 72 1 5 1060 lbs 2 disc Category I II 472D 120 HP 72 2 5 1180 lbs 2 disc Category I II 484 120 HP 84 2 6 1375 lbs 4 disc Category II Options Part No Front 5 16 chain curtain deflector For 460 4...

Страница 30: ...Replacement Parts 30 Tailwheel Assembly ...

Страница 31: ...7T 67T A Tailwheel hub only with cups and lug bolts Complete tailwheel hub assembly 6 4 024 Height adjustment pin with clips 7 4 014 4 015 4 016 460 Tailwheel arm with fork holder 472 Tailwheel arm with fork holder 472D 484 Tailwheel arm with fork holder 8 4 032 Complete tailwheel assembly 9 61 D Roll pin 10 61 C Collar 11 4 013 Fork 12 4 033 Axle 13 4 034 Axle nut 16 69 A Tire and wheel assembly ...

Страница 32: ...x 4 4 021 4 022 4 023 NLA 460 Stump jumper 472 484 after s n 1192 Stump jumper 484 through s n 1192 Stump jumper use 4 022 with 4 029A blades 5 TC 133KL Blade bolt assembly 6 500 27A 4 029A 460 472 484 through s n 1192 Blade 484 after s n 1192 Blade 7 4 001S 4 002S 4 003S 460 Metal strap 472 Metal strap 484 Metal strap ...

Страница 33: ...472 Front cable with clamps 472 Rear cable with clamps 484 Front cable with clamps 484 Rear cable with clamps 14 4 035A 4 030A 4 031A 460 Deck 472 Deck 484 Deck 15 DH 1254A Spacer 16 4 025 4 025B 460 Category I toggle 472 484 Category II toggle 17 4 095 4 095S TC 126 460 472 Category I II lift pin with spacer lynch pin 460 472 Lift pin spacer 484 Category II lift pin with lynch pin 18 4 017 4 018 ...

Страница 34: ...parts Please contact the nearest Brown dealer for replacement parts They will be able to meet most of your equipment needs Replacement Parts NOTE Gearbox for all cutters having a serial number with second character being a B Example 5B XXXX ...

Страница 35: ...Shim 0 40 13 235 0024 VAR Shim 0 30 14 235 0025 VAR Shim 0 50 15 235 0026 VAR Output Cap Gasket 0 15 16 235 0027 VAR Output Cap Gasket 0 25 17 235 0028 VAR Output Cap Gasket 0 45 18 MLW12 4 M12 Lockwasher 19 MCS12C38 4 M12 x 1 75 x 38 Hex Head Cap Screw 20 TC 134F 1 1 14 Flanged Hex Nut 21 TC 135 1 Cotter Pin 22 TC 010 1 2 1 2 Blade Hub 23 235 0013 1 Output Oilseal 24 235 0014 1 Output Cap 25 235 ...

Страница 36: ...ner tube 7 TC 312 Roll key 8 4 055 TC 313 460 472 Inner tube yoke 484 Inner tube yoke 9 484QDK Pin kit Not pictured 4 056 4 057 4 057 1000 460 472 Drive shaft front section 484 540 RPM Drive shaft front section 484 1000 RPM Drive shaft front section Not pictured 4 058 4 059 460 472 Drive shaft rear section 484 Drive shaft rear section Not pictured B472 20 B484 B484 1000 460 472 Complete drive shaf...

Страница 37: ... Bolt Not pictured 4 090 Nut for spring bolt 2 4 076 Backing plate 3 4 078 Spacer 4 T5 W20 Clutch lining 5 4 081 TC 330 4 082 Bolt with washer lock nut 2 req 460 472 Tapered bolt with nut 1 req 484 Tapered bolt with nut 1 req 6 4 084 484 Hub 1 3 4 x 20 spline 7 4 085 Bushing 8 4 086 484 Hex plate 9 4 087 4 088 460 472 Rear flange yoke 484 Rear flange yoke 10 4 089 Spring Not pictured 4 091 20 4 09...

Страница 38: ...Version 2 1 2 August 2008 M 400 Series B ...

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