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Avoidable Damage

Possible Causes

Corrective

Actions

Quick-disconnect yoke

Quick-disconnect pin tight or

completely seized

Quick-disconnect pin damaged

(broken or bent)

Quick-disconnect pin damaged

in locking position

Quick-disconnect pin

dirty (insufficient

maintenance)

Quick-disconnect pin

defective (forced into

place, incorrect

handling.

Excessive shaft length

Axial load too high

Clean, oil and follow

service instruction

Replace Quick-

disconnect pin

Shorten shaft length

(cut both telescopic

tubes as well as shield,

remove burrs)

Replace Quick-

disconnect pin

Clean and grease

telescopic tubes.

Replace both tubes if

necessary

Note: newer PTO shafts may have a locking collar. (Damages Causes and corrective actions will

still be similar.

Avoidable Damage

Possible Causes

Corrective Actions

Deformed Yoke

Excessive shaft length

Axial load too high

Excessive working angle

and torque

Shorten shaft length (cut

both telescopic tubes as

well as shield, remove

burrs)

Replace defective yokes

Clean and grease

telescopic tubes. Replace

both tubes if necessary

Replace defective yokes

Verify compatibility

between shaft and working

conditions (torque vs.

angle)

Disengage tractor PTO

during lifting or lowering

the implement.

Change to a larger PTO

size

Distorted Yoke

Overload caused by high

starting and peak torque

Engage PTO more

carefully

Use appropriate safety

device

Replace defective yoke

Worn or pounded Yoke

Excessive working angle

Avoid excessive angle

Replace defective yokes

Yoke

Effective PTO Drive Shaft Maintenance

Содержание 50079152

Страница 1: ...bushhog com 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 FOLLOW the Safety and Operation Instructions contained in this manual before operating the equipment C01 Cover SBPT60 SBPT68 SBPT78 SBPT87 SBPT97 PULL TYPE SNOW BLOWER ...

Страница 2: ...Notes REV 300920 2 ...

Страница 3: ...nes 9 Safety Training 9 Preparation 10 Storage Safety 10 Operation Safety 10 Safe Work 11 Maintenance Safety 11 Hydraulic Safety 11 Bush Hog Snowblower Decal Location 12 Specifications 13 Sign Off Form 14 Bush Hog Snowblower Assembly Instructions 15 Upon Receiving the Bush Hog Snowblower 15 Hand Crank Installation 16 Optional Hydraulic Rotator Installation 17 Installing the Hydraulic Chute Rotator...

Страница 4: ...er the following items 1 Normal replacement of service items 2 Normal maintenance or adjustments 3 Machines or parts lost or damaged during shipment 4 Accessory items parts not supplied by Bush Hog Inc 5 Damages resulting from misuse negligence accident theft or fire use of improper or insufficient fuel fluids or lubricants use of after market parts or accessories unless approved by Bush Hog modif...

Страница 5: ...operating pressure and the potential hazard of hydraulic oil penetrating the skin LIFTING explain that there is an increased possibility of thrown objects when the blower is lifted off the ground while in operation and that operator is responsible to watch out for persons in the area Explain that the lifted blower can contact overhead obstructions with damage to cables and telephone lines and poss...

Страница 6: ...aler will ask for the serial to verify your warranty Serial Number Location General Information The purpose of this manual is to assist you in safely operating and maintaining your SBPT series Snow Blower in a safe manner Read this manual carefully to obtain valuable information and instructions that will help you achieve safe and dependable service The illustrations and data used in this manual w...

Страница 7: ...ot avoided could result in death or serious injury and includes hazards that are exposed when guards are removed It may also be used to alert against unsafe practices CAUTION Indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices IMPORTANT Indicates a situation that could result in damage to the s...

Страница 8: ...und you Make these practices an effective part of your day to day work habits Be certain that EVERYONE using this snow blower is familiar with the recommended maintenance and work procedures and follow all the safety precautions Most accidents can be prevented Do not risk injury or death by ignoring good safety practices The best accident prevention is a careful operator Bush Hog and your dealer a...

Страница 9: ...have read this manual and have developed a thorough understanding of the safety precautions and of how it works Review the safety instructions with all users annually 6 If the elderly are assisting with work their physical limitations need to be recognized and accommodated Assistants should be a responsible properly trained and physically able person familiar with machinery and trained in this sno...

Страница 10: ...moving the snow blower NEVER position yourself between the powering unit and the snow blower 5 Do not permit riders while using this snow blower 6 Where possible avoid operating near ditches embankments and holes 7 Snow clearing speed is dependent upon many factors which includes but is not limited to visibility obstructions surface condition Never exceed 15 km h 10 mph while clearing snow Serious...

Страница 11: ...e avoid operating near ditches embankments and holes For worker safety a preseason site visit is recommended Make a clearing plan to identify hidden obstacles structures and piling areas Sudden impact from obstacles hidden under the snow may cause injury Be aware of Bystanders or any one not directly involved with the work are only allowed outside of the work area minimized hazards Workers helping...

Страница 12: ...OT SCALE DRAWING 1 Part largebushhogdecal 1 Piece 2 Part smallbushhogdecal 4 Pieces 3 220 Do not open or re move safety shields while engine is running 1 piece 4 207 Stay clear of low er hitch arms lifting range while adjusting 3 PH 1 piece 5 212 Do not open or re move safety shields while engine is running 1 piece 6 Grease gun decal Lubrication points 3 pieces 7 224 Keep a safe distance from this...

Страница 13: ... Size Roller Chain Drive 50 Roller chain Hood Deflector Single Fan Depth 5 7 8 Blades Per Fan Auger Drive Shaft Size 1 Fan output Shaft Size N A N A 60 HP 2 3 8 OD 3 1 2 OD Hydraulic Chute Rotator Double 5 1 1 4 10 1 3 8 40mm Manual Manual 1 4 x 2 1 4 5 16 x 2 1 4 60 Heavy Roller Chain 10 Availalble Options Bolt On 1 2 x 4 Hydraulic Chute Deflector 6 cyl Hydraulic Chute Deflector 8 cyl Electric Ch...

Страница 14: ...ow anyone else to operate this equipment until such information has been reviewed Annually review this information before the season start up Make these reviews of SAFETY and OPERATION annually as a standard practice for all your equipment An untrained operator is unqualified to operate this machine A sign off sheet is provided for your record keeping to show that all personnel who will be working...

Страница 15: ...a 1 2 bearing finish with another 1 2 flat washer Turn the clamp right side up with the washers and bearings on the bolts Carefully insert the bolts into the chute base and secure with the Lock washer and nut For the 78 97 blowers take two 5 8 bolts and drop them through the holes in the chute clamp turn the clamp upside down while holding the bolts in the holes Place a 5 8 wave washer on the bolt...

Страница 16: ...2 OR 1 2 x 21 2 bolts 9 supplied and lock nuts lock washer and nut Insert retainer pin 2 into the tail bracket Slide the bottom end of the worm gear 4 on to re tainer pin secure with bolt 3 and lock nut slide the top bracket 8 into place and secure with bolts 6 Slide crank 7 into tube as shown and secure with the set screws 5 Please note When the blower is raised the Crank will be closer to the tr...

Страница 17: ...top A frame support away from moving parts Ensure that the hoses do not get too tight or rub on the frame when the blower is raised or lowered Set the motor with the bracket on top of the Chute Plate and then place the shield on top of the motor bracket and secure with 1 2 20 UNF bolts Please ensure that the gear does not jam or bind during the rotation of the chute The bolt holes are slightly ove...

Страница 18: ... be bent in or out for smaller or larger blowers Top View Rods Outside of the rods need to be slightly inside the root of the gear teeth as shown To bend the rod you can use a short piece of 3 8 pipe for a lever or an adjustable wrench to bend the rod Do not use a hammer as it has less control of the bend Keep the height of the rod the same only bend it in or out After installation carefully rotat...

Страница 19: ...For Smaller blowers rods are bent in as shown For Larger Blowers rods are Bent out as shown 19 ...

Страница 20: ...ll Bush Hog Snowblowers It prevents the chute from being rotated straight back to the operator It prevents the Hydraulic hoses if used from getting wound around the chute On the smaller blowers with electric deflector actuator the Chute Stop prevents the wires from getting wound up 1 2 13 x 11 4 Carriage Bolt 1 2 13 Lock Nut w Nylon Insert 1 2 Lock Washers x 2 20 ...

Страница 21: ...side of the small tube Reinstall the shields Install on equipment and recheck These procedures need to be done before first putting into operation and when attaching to a different tractor THIRD ANGLE PROJECTION 1 2 CL 1 3 CL 5 4 3 1 Folder DWG NO Model SCALE 1 4 DATE DRAWN MATERIAL PTO Ske January 12 17 4 23 36 PM DESCRIPTION Weight lbs Width Height Length Blank Size Unit of Measure ITEM ID Confi...

Страница 22: ...rsal joints will result and the life of the universal joints will be shortened dramatically P T O Shaft angles PTO shafts are made to transmit power with angle at universal joints However these angles should be kept to a minimum Larger angles shorten the life of PTO Take for example a snowblower sold for a tractor horse power of 60 75 HP which would be attached to a 60HP tractor operating at maxim...

Страница 23: ...itional gearbox is also available that can be mounted on the existing snowblower gearbox which increases the input shaft height reducing the angle at PTO joints This Gearbox has an input speed of 1000RPM which greatly increases PTO capacity Non Equal Angles at PTO Joints Equal Angles At PTO Joints To Avoid Recommended Angles at each end of PTO A popular habit is to change snowblower angle in order...

Страница 24: ...ty to shock load These shafts cannot be broken under normal loads However undesirable objects may enter the fan and either bend or break the gearbox shaft It is understood that the gearbox cannot be built to resist every possible overload and consequently gearbox fan shafts will not be replaced under warranty Therefore the user of the snowblower must be very careful Maximum length of PTO shaft War...

Страница 25: ...O on the blower and fasten it to the tractor pushing the spring loaded pin in and sliding the yoke onto the tractor spline until the pin snaps into place 7 Make sure PTO does not bottom out at any point when lifting or lowering the snowblower PTO shaft should not come within 2 of the yoke at any time 8 Lift and lower the 3PH arms to determine that the overlap on the PTO shaft is never less than 1 ...

Страница 26: ... the top 3PH link to tilt the blower back so it will not dig into the loose gravel In colder climates where the bare ground is frozen during most of the winter the blower can be adjust ed to scrape the snow off the frozen drive after freeze up In areas where the gravel is not frozen most of the time we have optional skid shoes available to raise the blower a few inches above the gravel This blower...

Страница 27: ...ly every 50 hours By using too much grease you will push the seals off the bearing PTO Shaft grease every 10 hours Pull apart and apply grease to the sliding members Grease the yoke bearings at this time as well Discharge chute mount occasionally squirt oil on the plastic ring this will extend the life of the plastic ring and will operate smoother Auger Chain apply oil on a regular basis especiall...

Страница 28: ...locking collar Damages Causes and corrective actions will still be similar Avoidable Damage Possible Causes Corrective Actions Deformed Yoke Excessive shaft length Axial load too high Excessive working angle and torque Shorten shaft length cut both telescopic tubes as well as shield remove burrs Replace defective yokes Clean and grease telescopic tubes Replace both tubes if necessary Replace defec...

Страница 29: ...lity between shaft and working conditions Carefully follow greasing instructions Replace defective cross bearings Note Cross bearings must be greased every 8 working hours Avoidable Damages Possible Causes Corrective Actions Telescopic tube failure or twisting Excessive torque or shock load Short tube engagement overlap Use appropriate safety device Change to a larger PTO size Replace the PTO driv...

Страница 30: ...allow for maximum angularity Replace defective parts Guard cone damaged Guard cone in contact with implement or tractor Excessive angularity Eliminate interference between guard cone and any part of implement or tractor Avoid excessive angles Replace damaged guard cone Guard tubes damaged deformed and split at one side Guards are in contact with tractor or implement Guard tube overlap too short or...

Страница 31: ...49 67 70 95 1 2 49 66 76 105 105 145 5 8 97 130 150 205 210 285 3 4 144 195 265 360 375 510 7 8 165 225 430 585 605 820 1 250 340 645 875 910 1230 1 1 8 355 480 795 1080 1290 1750 1 1 4 500 680 1120 1520 1820 2460 1 1 2 870 1180 1950 2640 3160 4290 Allen head cap screw are similar to SAE 8 quality These torques are for reference only Not all these sizes and grades are necessarily used in this mach...

Страница 32: ...SBPT60 SBPT68 SBPT78 SBPT87 SBPT97 SOM 09 20 P N 50079152 Printed U S A SBPT60 SBPT68 SBPT78 SBPT87 SBPT97 PULL TYPE SNOW BLOWER 32 ...

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