Blizzard B74C Operator And Parts Manual

BLIZZARD B74C MODEL

SNOWBLOWER

SERIAL NO. 21502142 AND UP

R''

OM 0410SB-A 02/15

TABLE OF CONTENT

SPECIFICATIONS ........................................................................................................................................... 3

INTRODUCTION – TO THE PURCHASER ................................................................................................... 4

SAFETY PRECAUTIONS .......................................................................................................................... 5-11

Before Operation .................................................................................................................................... 5

Notice ...................................................................................................................................................... 6

The Snowblower .................................................................................................................................. 6-8

Before Operation..................................................................................................................... 6

Snowblower Operation ........................................................................................................... 7

Stay Clear of Rotating Drivelines ........................................................................................... 8

The Tractor ........................................................................................................................................ 9-10

General Information ................................................................................................................ 9

Operating the Tractor .............................................................................................................. 9

During Operation..................................................................................................................... 9

Roll-Over Protective Structure (ROPS) ................................................................................ 10

Transport............................................................................................................................................... 10

Maintenance ......................................................................................................................................... 11

Storage ............................................................................................................................................... 11

SAFETY DECALS ........................................................................................................................................ 12

ASSEMBLY ............................................................................................................................... ................ 13-31

Tractor Preparation .............................................................................................................................. 13

Snowblower Assembly ................................................................................................................... 13-31

Installation of Chute ............................................................................................................. 13

Installation of Snowblower with Three Point Hitch ............................................................. 14

Installation of Snowblower with Quick Hitch ....................................................................... 15

Installation of Manual Rotation Kit BER0077 ................................................................ 16-17

Installation of Hydraulic Rotation Kit BER0077 ............................................................. 18-20

Installation of Hydraulic Deflector Kit BER0079 ............................................................ 21-22

Installation of Electric Deflector Kit 8151 ....................................................................... 23-25

How to Determine Driveline Angles

............................................................................ 26

Determining Driveline Length ........................................................................................ 27-28

Driveline Installation ............................................................................................................ 29

Removing Snowblower from Tractor ............................................................................ 30-31

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Angles at Each End of Driveline ......................................................................................... 27

TABLE OF CONTENT

OPERATION ................................................................................................................................................ 32-33

General Preparation ................................................................................................................................ 32

Operating Controls ........................................................................................................... ....................... 32

Work and Travel Speed ......................................................................................................... 32

Raising and Lowering the Snowblower .................................................................................. 32

Adjustments ............................................................................................................................................. 32

Chain Tension Adjustment .................................................................................................... 32

Skid Shoe Adjustment ............................................................................................................ 32

Manual Deflector Adjustment ................................................................................................ 32

Snow Removal Methods ......................................................................................................................... 33

MAINTENANCE ............................................................................................................................................ 34-38

Maintenance ............................................................................................................................................. 34

Shearbolts ............................................................................................................................... 34

Drive shaft................................................................................................................................ 34

Driveline ................................................................................................................................... 34

Lubrication ................................................................................................................................................ 35

Driveline – Troubleshooting ................................................................................................................ 36-38

PARTS ......................................................................................................................................................... 39-48

Introduction ................................................................................................................................................... 39

Manual Holder ............................................................................................................................................... 39

Snowblower - B74C ................................................................................................................................. 40-42

Gearbox 663485 ........................................................................................................................................... 43

Driveline 4700159 ............................................................................................................. ............................ 44

BER0077 - Manual Rotation ......................................................................................................................... 45

BER0078 - Hydraulic Rotation ..................................................................................................................... 46

BER0079A - Hydraulic Deflector .................................................................................................................. 47

8151- Electric Deflector ................................................................................................................................ 48

TORQUE SPECIFICATION TABLE ................................................................................................... ............. 49

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SPECIFICATIONS

Features and Specifications B74C

Working Width 74" Transport Width 74" Working Height 26" Length 47 3/4" Single/Dual Auger Single Auger Diameter 15" Auger Flighting Thickness 5/16" Impeller Diameter 24" Impeller Width 9" Impeller Shaft Diameter 1 3/8" Number of Impeller blades 4 Roller Chain 60 Drive sprocket (# of teeth) 12 Driven sprocket (# of teeth) 32 Chain idler Manual adjustment Gearbox Manufacturer Comer Gearbox Description Model T-281A Tractor RPM 540 Impeller RPM 540 Auger RPM 200 PTO Manufacturer Comer PTO Description 40 Skid Shoe Adjustable Skid Shoe Material High carbon steel End Plate Thickness 3/16" Back Plate Thickness 11ga Impeller Housing Thickness 11ga Impeller Blade Thickness 1/4" Side Panel Bottom Thickness 3/16" Cutting Edge Welded Cutting Edge Dimension 3/8" x 2" Chute Base Standard Parking Stand Standard Hitch Category Cat. 1 & 2

Quick Hitch Compatibility HP Requirements - min-max (hp) 20-50

Operating Weight (lbs )-hy d. rot. & d efl. 715 Shipping Weight (lbs) 628 Approx. Set-up Time (min.) * 35 Chute Deflector Adjustment (standa rd) Manual

Hydraulic: cylinder (2"x5"), brackets, support, hoses & connectors

Chute Deflector Adjustment (option )

Chute Rotation

Chute

included. Electric: actuator 5" - 75 lb brackets, hardware, switch & wires included

Manual: worm gear w/ crank. Hydraulic: 50cc hyd.motor, flow restric to r, ho ses & conn ec tors

included.

ASABE Compatible

Cat. 1 only

Two-part

* With manual rotation

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TO THE PURCHASER

INTRODUCTION

All BER-VAC and BLIZZARD products are designed to give safe, depend able service if they are operated and maintained according to instructions. Read and understand this manual before operation.

This manual has been prepared to assist the owner and operators in the safe operation and suitable maintenance of the implements. The information was applicable to products at the time of manufacture and does not i nclude modi fications made afterwards.

Read and understand this operator's manual before attempting to put an implement into service. Familiarize yourself with the operating instruction s and all the safety recommendations contained in this manual and those labeled on the imple ments and on the tractor. Follow the safety recommendations and make sure that those with whom you work follow them.

The Dealer is responsible for wa rran t y re gistra ti on of t he uni t y ou h ave pu rchas ed . T o assis t yo ur deal er i n handling your needs, please record here after the mo del numb er and seri al number o f your imple ment and tractor. It is also advisable to supply them to your insurance company. It will be helpful in the event that an implement or tractor is lost or stolen.

Illustrations

The illustrations may not necessarily reproduce the full detail and the exact shape of the parts or depict the actual models, but are intended for reference only

Direction Reference

Right Hand and Left Hand are determined by those seen by the conductor standing b ehind the equipment.

MODEL :

SERIAL NUMBER :

DATE OF PURCHASE :

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SAFETY PRECAUTIONS

SAFETY FIRST

This symbol, the industry's "Safety Alert Symbol", is used th roughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully. It is essential that you read the instructions and safety regulations before yo u attempt to assemble or use this unit.

DANGER : Indicates an imminently hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING : Indicates a potentially hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION : Indicates a potentially hazardous situation which, if not avoided, may

result in minor or moderate injury. IMPORTANT : Indicates that equipment or property damage could result if instructions

are not followed. NOTE : Gives helpful information.

All products are designed to give saf e, dependable se rvice if they are o perated and maintained accord ing to instructions. Read and understand this manual before operation certain anyone operating this product reads this manual, and all other applicable manuals, to become familiar with this equipment and all safet y precautions. Failure to do so could result in serious personal injury or equipment damage. If you have any questions, consult your dealer.

. It is the owner's responsibility to be

BEFORE OPERATION

Children and Bystanders

Tragic accidents can occur if the opera tor is not alert to the presence of children. Children are generally attracted to machines and the work being done. Never assume children will remain where you last saw them.

1. Keep children out of the operating area and under the watchful eye of another responsible adult.

2. Be alert and turn machine off if children enter the work area.

3. Before and when backing, look behind and look for small children.

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4. Never carry children while operating the machine. They may fall off and be seriously injured or interfere with safe operation of the machine.

5. Never allow children to play on the machine or attachment even when turned off.

6. Never allow children to operate the machine even under adult supervision.

7. Use extra care when approaching blind corners, shrubs, trees, or other obstructions that might hide children from sight.

SAFETY PRECAUTIONS - continued

NOTICE

A safe operator is the best insuranc e against accidents. All operators, no ma tter how experienced they may be, should read this Operator's Manual and all other related manuals before attempting to operate an implement. Please read the following sectio n and pay particular attention to all safet y recommendations contained in this manual and those labeled on the implements and on the tractor.

THE SNOWBLOWER

Before Operation

1. Read and understand this operator's manual and tractor operator's manual. Know how to operate all controls and how to stop the unit and disengage the controls quickly.

2. Never wear loose, torn, or bulky clothing around the tractor and implement. It may catch on moving parts or controls, leading to the risk of accident.

3. Before the snow season, thoroughly inspect the area where the equipment is to be used and remove all doormats, sleds, boards and other foreign objects.

4. Disengage clutch and shift into neutral before starting the engine.

5. Do not operate equipment in wintertime without wearing adequate winter garments.

6. Never attempt to make any adjustments while engine is running. Read this manual carefully to acquaint yourself with the equipment as well as the tractor operator's manual. Working with unfamiliar equipment can lead to accidents. Be thoroughly familiar with the controls and proper use of the equipment. Know how to stop the unit and disengage the controls quickly.

7. Keep all shields in place and properly tighten all mounting hardware.

8. Periodically, inspect all moving parts for wear and replace with authorized service parts if an excessive amount of wear is present.

9. Replace all missing, illegible, or damaged safety and warning decals. See list of decals in the operator's manual.

10. Do not modify or alter this equipment or any of its components, or any equipment function without first consulting your dealer.

11. Keep safety decals clean of dirt and grime.

12. Make sure the tractor is counterweighted as

recommended by your dealer. Weights provide the necessary balance to improve stability, traction and steering.

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SAFETY PRECAUTIONS- continued

Snowblower Operation

1. Before leaving the tractor/snowblower unattended, take all possible precautions. Park the tractor/snowblower on level ground, place the transmission in neutral, set the parking brake, disengage the PTO, lower the snowblower to the ground, place all levers including auxiliary control levers in neutral, shut off the engine and remove the ignition key.

2. Before starting the tractor/ snowblower, remove the ice that might have accumulated on the auger/fan, inspect and clean every rotating part.

3. Prior to operation, clear work area of all objects that can be picked up and thrown. Mark all curbs, pipes, etc. that cannot be moved.

4. Be sure the PTO switch/lever is in OFF/disengaged position before starting engine.

5. Exercise extreme caution when operating on or crossing a gravel drive, walks, or roads. Stay alert for hidden hazards or traffic.

6. Do not carry passengers.

7. Keep clear of all rotating parts. Do not put

hands or feet under, or into snowblower with engine running. Be especially observant of the snowblower areas of discharge, intake or all other mechanical motions.

8. For your safety, do not work under any hydraulically supported machine elements that may creep down, suddenly drop or be accidentally lowered.

9. Park the tractor/snowblower on level ground, place the transmission in neutral, set the parking brake, disengage the PTO, lower the snowblower to the ground, place all control levers in neutral, shut off the engine, remove the ignition key and allow the rotating parts to stop BEFORE unclogging the housing or the chute and making any repairs, adjustments or inspections. Use only a 36" long stick of wood to unclog the snowblower.

10. If the snowblower starts to vibrate abnormally, disengage the PTO, stop the engine immediately and check for cause. Excessive vibration is generally a sign of trouble.

11. Do not run the engine indoors except when starting engine and transporting attachment in or out of building. Carbon monoxide gas is colorless, odorless and deadly.

12. Do not attempt to operate on steep slopes. If operating on slopes is necessary, exercise extreme caution when changing direction.

13. Never operate snowblower without guards, and other safety protective devices in place. All tractor and snowblower shields and covers must be correctly installed at all times. When necessary to remove these, they must be reinstalled immediately.

14. Never operate snowblower near glass enclosures, automobiles, window wells, embankments, etc., without proper adjustment of snow discharge angle.

15. Never operate machine at high transport speeds on a slippery surface.

16. Use extra caution when backing up.

17. Disengage power to auger/fan when

transporting or when not in use.

18. Never operate the snowblower without good visibility and lighting.

19. Prolonged exposure to loud noise can cause impairment or loss of hearing. Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortable noises.

20. Never allow anyone near the work area.

21. Never allow anyone to operate the snowblower

until they have read the manual completely and are thoroughly familiar with basic tractor and snowblower operation.

22. Make sure the tractor is counterweighted as recommended by your dealer. Weights provide the necessary balance to improve stability, traction and steering.

23. Always make sure all snowblower components are properly installed and securely fastened BEFORE operation.

24. Adjust housing height to clear gravel or crushed rocks surface.

25. Keep away from chute discharge. This chute has the capacity to throw debris at far distances.

26. Never direct chute discharge towards people or animals. A thrown debris can cause serious injury.

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SAFETY PRECAUTIONS- continued

Stay Clear of Rotating Drivelines

1. Entanglement in rotating driveline can cause serious injury or death.

2. Keep tractor master shield and driveline shields in place at all times. Make sure rotating shields turn freely.

3. Wear close fitting clothing. Stop the engine and be sure that PTO driveline is stopped before making adjustments, connections, or cleaning out PTO driven equipment.

4. Do not install any adapter device between the tractor and the primary implement PTO drive shaft that will allow a 1000 rpm tractor shaft to power a 540 rpm implement at speeds higher than 540 rpm.

5. Do not install any adapter device that results in a portion of the rotating implement shaft, tractor shaft, or the adapter to be unguarded. The tractor master shield shall overlap the end of the splined shaft and the added adaptor device as outlined in the table.

PTO Type Diameter Splines n ± 5 mm (0.20 in.)

1 35 mm (1.378 in.) 6 85 mm (3.35 in.) 2 35 mm (1.378 in.) 21 85 mm (3.35 in.) 3 45 mm (1.772 in.) 20 100 mm (4.00 in.)

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SAFETY PRECAUTIONS- continued

THE TRACTOR

General Information

1. Read the operator's manual carefully before using tractor. Lack of operating knowledge can lead to accidents.

2. Do not allow anyone but the operator to ride on the tractor. There is no safe place for extra riders

Operating the Tractor

1. Never run the tractor engine in a closed building without adequate ventilation, as the exhaust fumes are very dangerous.

2. Never allow an open flame near the fuel tank or battery.

14. A minimum 20% of tractor and equipment weight must be on the tractor front wheels when attachments are in transport position. Without this weight, tractor could tip over, causing personal injury or death. The weight may be attained with a loader, front wheel weights, ballast in tires or front tractor weights. Weigh the tractor and equipment. Do not estimate.

15. Always make sure all snowblower components are properly installed and securely fastened BEFORE operation.

During Operation

3. Make sure the shield is installed when using a PTO-driven equipment and always replace the shield if damaged.

4. Always bring the tractor to a complete stop, shut off the engine, lower the implement to the ground and remove the ignition key before leaving the tractor.

5. Never park the tractor on a steep slope.

6. Do not attempt to operate on steep slopes.

7. Use of tire chains for better traction and

stability is recommended.

8. Always drive the tractor at speeds compatible with safety, especially when operating over rough ground, crossing ditches, or when turning.

9. Handle fuel with care, as it is highly flammable.

10. Use approved fuel container.

11. Never add fuel to a running engine or a hot

engine.

1. Do not allow anyone to ride on the tractor/snowblower at any time. There is no safe place for passengers on this equipment. The operator MUST sit in the tractor seat.

2. Eye and hearing protection is recommended when operating the snowblower.

3. Operate only during daylight hours, or when the area is well lit with bright artificial light.

4. Disengage the PTO (turn to “OFF”), place the transmission in neutral, set the parking brake, shut off the engine and remove the key, and make sure rotating components have stopped BEFORE leaving the operator’s seat.

5. Inspect the snowblower after striking any foreign object to assure that all snowblower parts are safe and secure and not damaged.

12. Fill fuel tank outdoors with extreme care. Never fill fuel tank indoors. Replace fuel cap securely and wipe up spilled fuel.

13. Never allow anyone to operate the snowblower until they are thoroughly familiar with basic tractor and snowblower operation.

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SAFETY PRECAUTIONS- continued

Roll-Over Protective Structure (ROPS)

1. DO NOT weld, drill or alter the ROPS. Damaged ROPS must not be straightened or used. If damage does occur, consult your dealer.

2. If the ROPS is lowere d or removed from the tractor for any reason, it must be erected and/or refitted immediately. Original bolts or equivalent replacements must be used and tightened to the correct torque.

3. Your dealer does not recommend usage of tractor with ROPS removed.

4. If a fold-down ROPS is used, the ROPS can be folded down for storage, but it must be pinned in the upright position prior to operation.

5. Seat belt usage: With ROPS installed on the tractor it is imperative that the seat belt be installed, used and correctly adjusted, at all times. DO NOT use a seat belt if operating without ROPS.

Additional Safety Equipment

Keep a fire extinguisher and a first aid kit within reach.

TRANSPORT

1. If the tractor/snowblower is to be driven on

public roads, it must be equipped with an SMV (Slow Moving Vehicle) sign. Check local traffic codes that may apply to unit usage on public roads and highwa ys in your area.

2. Be alert for all other traffic when driving the tractor/snowblower on public roads or highways.

3. Always disengage the snowblower before transport.

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MAINTENANCE

SAFETY PRECAUTIONS- continued

ALWAYS USE GENUINE PARTS WHEN REPLACEMENT PARTS ARE REQUIRED

1. Keep the tractor and snowblower

properly maintained.

2. Park the tractor/snowblower on level ground, place the transmission in neutral, set the parking brake, disengage the PTO, lower the snowblower to the ground, place all control levers in neutral, shut off the engine and remove the ignition key and allow the rotating parts to stop BEFORE making any snowblower adjustments.

3. To avoid injury, do not adjust, unblock the driving system, or service the snowblower with the tractor engine running. Make sure rotating components have completely stopped BEFORE leaving the operator’s seat.

4. Keep the tractor/snowblower clean. Snow, dirt or ice build-up can lead to malfunction or personal injury from thawing and refreezing in garage.

5. Always wear eye protection when cleaning or servicing the snowblower.

6. DO NOT service the tractor while the engine is running or hot, or if the unit is in motion. Always lower snowblower to the ground. If necessary to service snowblower in raised position, securely support with stands or suitable blocking before working underneath. Do not rely on hydraulically supported devices for your safety. They can settle suddenly, leak down, or be accidentally lowered.

7. Do not attempt to service machine, clear obstructions or unclog the snowblower with the engine running. Always shut off engine and allow all motion to cease.

8. The manufacturer will not claim responsibility for fitment of unapproved parts and/or accessories and any damages as a result of their use.

9. Make sure all shields and guards are securely in place following all service, cleaning, or repair work.

10. Do not modify or alter this snowblower or any of its components or operating functions. If you have questions concerning modifications, consult with your dealer.

11. Do not operate a snowblower that is defective or has missing parts. Make sure that all recommended maintenance procedures are completed before operating the snowblower.

12. Check all controls regularly and adjust where necessary. Make sure that the brakes are evenly adjusted.

13. Periodically check all nuts and bolts for tightness, especially wheel hub and rim nuts.

14. To avoid serious personal injury: Escaping hydraulic/diesel fluid under pressure can penetrate the skin causing serious injury. Do not use your hands to check for leaks. Use a piece of cardboard or paper to search for leaks. If you are injured by escaping high pressure fluid, see a medical doctor at once.

15. Stop engine and relieve pressure before connecting or disconnecting hydraulic hoses. Tighten all connections before starting engine or pressurizing hoses.

STOR AGE

1. Before storing the snowblower, certain pre-

cautions should be taken to protect it from deterioration.

2. Clean the snowblower thoroughly.

3. Make all the necessary repairs.

4. Replace all Safety Signs that are damaged, lost,

or otherwise become illegible. If a part to be replaced has a sign on it, obtain a new safety sign from your dealer and install it in the same place as on the removed part.

5. Repaint all parts from which paint has worn or peeled.

6. Lubricate the snowblower as instructed under "Lubrication" section.

7. When the snowblower is dry, oil all moving parts. Apply oil liberally to all surfaces to protect against rust.

8. Attach driveline shield safety chain around driveline by passing it over the upper hitch.

9. Store in a dry place.

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SAFETY DECALS

Replace immediately if damaged.

2500783

655834

662699

2500833

2500782

2500608

664517

BLIZZARD

664458

B74

2500792

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2500786

2500783

2500813

ASSEMBLY

TRACTOR PREPARATION

See Dealer for Tractor Preparation information.

SNOWBLOWER ASSEMBLY

The snowblower is assembled at the fact ory except for the parts in the hardware bag provided with the snowblower, the chute and the options if appropriate. Use the present manual and lay out all parts for assembly. Separate bolts and nuts into vari ous sizes. After asse mbly, torque all the bolts ac cording to the

Torque Specification Table at the end of manual.

Installation of the Chute

(Figure 1)

1. Figure 1: Place the rotation bushing (item 1) on the chute base of the snowblower.

2. Figure 1: Install the chute (item 2) over the rotation bushing and install the three 3/16" spacers (item 3) and the 3/8" spacers (item 4).

3. Figure 1: Insert the two three holes retaining plates (item 5) by placing the large section toward the support of the hydraulic motor. Secure with two 1/2"NC x 3/4" carriage bolts (item 7), upside down (front of the chute) and th e four other bolts head up (rear of the chute). Secure with six 1/2" lockwashers (item 8) and four 1/2"NC hex nuts (item 9).

4. Tighten all bolts according to the Torque Specification Table at the end of the manual.

Figure 1

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ASSEMBLY

Installation of Snowblower with Three Point Hitch

(Figure 2)

1. Install the two cat.1 pins (item 1) on the right and left snowblower hitches in the lower holes as shown on figure.

2. Category 1: Attach tractor lower links (ite m 2) to the snowblower hitch pins (item 1) and secure with the linchpins (item 3).

3. Category 2: Insert the 1 1/8" OD x 1 3/4" lg bushings (item 9) on each pin (i tem 1). Attach tractor lower links (item 2) to the snowblower hitch pins (item 1) and secure with the linchpins (item 3).

4. Category 1: Attach the tractor upper link (item 4) between the upper attaching plates (item 6) using the tractor pin and linchpin (item 5 – not included).

5. Category 2: Insert a 1" OD x 2" lg bushing (4600056) (item 10, not includ ed) on a 3 /4" dia. x 5 7/16" lg pin (4600051) (item 5- not included). Attach the tractor upper link (item 4) between the upper attaching plates (item 6) using the bushing, the pin and the tractor linchpin (item 5 & 10 – not included).

6. Adjust the snowblower using the tractor upper link so that the snowblower operates parallel to the ground.

7. Set the tractor anti-sway turnbuckles so the snowblower does not sway. Be sure there is no contact with the tires.

8. Install the eyebolt (item 7) in the upper hole of the left or right side of the three poi nt hitch by screwing the eyebolt nut to the top and locking eyebolt in place with a 3/8" serrated flang e nut (item 8).

CAUTION

Before connecting snowblower driveline to tractor drive shaft, make sure d riveline is not too long in raised, lowered and middle position. If the driveline is too long it mus t be shortened, to avoid damaged to tractor. See pages 26 to 28 for instructions.

Figure 2

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Blizzard B74C Operator And Parts Manual

Specifications and Main Features

Frequently Asked Questions

User Manual