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ASSEMBLY

OM 0410SB-A

20

PROBLEM: HYDRAULIC CHUTE ROTATION IS SLOW OR DOESN'T TURN

When activating the chute rotation, it turns very slowly or not at all.

WARNING

To avoid serious personal injury

,

always wear safety glasses while doing the
instructions below.

SOLUTION:
1.

Check if the tractor valve works well. Test
it by plugging another piece of equipment
to the valve. If it does not work well, refer
to the appropriate operator's manual.

2. Figure 12:

Check if the chute itself rotates

well. To do so, remove the M6 x 1.00 x
10 mm serrated flange bolt (item 7) and
the motor gear (item 6) attached to the
motor shaft (item 4) and check if the chute
rotates well in both directions by turning it
by hand. If it does not rotate well, correct
the problem by checking if there is some
excess wear or debris locked between
components.

3. Figure 12:

Check if there is residue in the

hydraulic circuit. To do so, first verify if the chute
rotates well in one direction. If so, remove the
1/4’’NC x 1’’ bolt (item 5), the 1/4" lockwasher
(item 4), the 1/4" flat washer (item 3)and the motor
gear (item 2) attached to the motor shaft (item 1)
and activate the rotation in the direction the motor
turns well for approximately 1 minute to evacuate
the residues. Then rotate the chute in the direction
it did not turn well and check if the problem is
resolved. - If not or if the chute does not rotate
well in either direction, disconnect the motor
hoses, remove the two flow restrictors (item 5)
attached to the motor inputs (item 2) and inspect
the holes of the two flow restrictors carefully.
Remove the residues if needed. If no residue is
present, disconnect hoses and clean them with
compressed air. - If the problem persists, check if
there is residue inside the motor (item 1). Clean
with compressed air the inside of the two motor
inputs. You can also manually turn the motor
shaft in both directions while shooting
compressed air.

IMPORTANT: When removing connectors,
always make sure to install the plugs and caps
on the hoses and tractor valve connectors.
This will prevent contamination of the
hydraulic circuit and obstruction of the flow
restrictor hole.

Figure 12

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Содержание B74C

Страница 1: ...OM 0410SB A 02 15 O OP PE ER RA AT TO OR R S S A AN ND D P PA AR RT TS S M MA AN NU UA AL L SNOWBLOWER BLIZZARD B74C MODEL SERIAL NO 21502142 AND UP ...

Страница 2: ......

Страница 3: ...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...

Страница 4: ...nual 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 TOR...

Страница 5: ...hoe 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 ASABE Compatible Cat 1 only HP Requirements min max hp 20 50 Operating Weight lbs...

Страница 6: ...ons contained in this manual and those labeled on the implements and on the tractor Follow the safety recommendations and make sure that those with whom you work follow them 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 de...

Страница 7: ...ver 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 childre...

Страница 8: ... 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 ...

Страница 9: ... 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 Nev...

Страница 10: ... 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 t...

Страница 11: ...l 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 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 coul...

Страница 12: ... 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 i...

Страница 13: ...elds 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...

Страница 14: ...SAFETY DECALS OM 0410SB A 12 Replace immediately if damaged 2500813 2500783 2500833 2500782 2500783 2500785 2500786 2500792 655834 2500608 662699 B74 664517 BLIZZARD 664458 ...

Страница 15: ...lation 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...

Страница 16: ... included 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 ...

Страница 17: ...hing item 5 between the upper attaching plates and lock in place with the tractor hitch pin and a 7 16 linchpin items 6 7 4 Install the eyebolt item 8 in the upper hole of the left or right side of the three point hitch by screwing the eyebolt nut to the top and locking eyebolt in place with a 3 8 serrated flange nut item 9 Before connecting snowblower driveline to tractor drive shaft make sure dr...

Страница 18: ...t the rotation worm item 3 4 Figure 4 Insert the other 1 5 16 plastic bushing item 5 in the rotation worm support item 4 and then slide on the rotation worm Secure with two 1 4 NC x 3 4 bolts and 1 4 NC nuts items 9 10 11 Do not tighten 5 Figure 5 Install the bracket item 1 on the 3 point right or left hitch using two 3 8 NC x 1 1 4 bolts 3 8 lockwashers and 3 8 NC nuts items 2 3 4 Tighten securel...

Страница 19: ...with difficulty because the teeth do not engage or engage incorrectly adjust the rotation handle support toward the chute and redo the steps 14 Figure 7 Make sure the worm engages completely when it reaches the end of the chute gear The rotation handle is well adjusted when the chute rotates easily without straining Tighten firmly the three 1 4 NC x 3 4 bolts and the three 1 4 NC nuts item 5 15 Fi...

Страница 20: ... item 6 on the shaft Secure with a 1 4 NC x 1 bolt item 7 a 1 4 lockwasher item 8 and a 1 4 5 16 hole flat washer item 9 4 Figure 11 NOT INCLUDED Using thread sealant install a 1 4 NPT female x 1 2 NPT male reducer item 2 a male quick coupler item 3 and a dust cap item 4 on each straight end of the hoses item 1 CAUTION To avoid serious personal injury Escaping hydraulic diesel fluid under pressure...

Страница 21: ...insert locknut item 6 8 NOT INCLUDED Connect hoses to tractor and make sure to raise and lower the snowblower in extreme positions and check if hoses are long enough to not interfere with any parts Attach hoses with nylon tie wrap to appropriate places Rotate the chute to the right and to the left 9 Figure 11 Motor adjustment Push the motor toward the chute as to well set the gear teeth item 1 wit...

Страница 22: ...e the 1 4 NC x 1 bolt item 5 the 1 4 lockwasher item 4 the 1 4 flat washer item 3 and the motor gear item 2 attached to the motor shaft item 1 and activate the rotation in the direction the motor turns well for approximately 1 minute to evacuate the residues Then rotate the chute in the direction it did not turn well and check if the problem is resolved If not or if the chute does not rotate well ...

Страница 23: ...gure 15 Bolt in place with four 1 4 x 3 4 allen flat socket head capscrews item 3 1 4 lockwashers and 1 4 NC hex nuts item 4 with the capscrews heads inside the chute Tighten so that capscrews heads sink into deflector surface 5 Figure 15 Retract hydraulic cylinder rod item 5 completely and secure to deflector bracket item 1 and deflector base bracket item 6 using the two cylinder pins item 7 and ...

Страница 24: ...play in the hoses for the chute to rotate freely from left to right without forcing on hoses 12 Figure 18 NOT INCLUDED Run hoses on the snowblower with suitable bend staying away from sharp edges nor compromise the snowblower maintenance Attach to the hose support item 3 with a hose clamp item 4 a 3 8 NC x 1 1 2 bolt item 5 and a 3 8 NC nylon insert locknut item 6 in the hole that fits your needs ...

Страница 25: ...with the 1 5 32 diam hole item 3 on the other end and attach using two 1 2 NC x 2 1 2 bolts and two 1 2 NC nylon insert locknuts items 4 5 2 Figure 19A Install a 3 16 x 1 3 4 spring pin item 6 on each 1 pin item 7 3 Figure 19 diagram Connect the wires to the switch as follows 72 black ground wire item 1 to terminal C see diagram 72 red fuse wire item 3 to terminal B see diagram 360 red and black a...

Страница 26: ...inks into the inside surface of the deflector 4 Figure 20 Retract completely the pre assembled actuator rod item 10 Attach the actuator to the deflector bracket item 5 and to the base bracket item 7 with two 1 pins item 8 and secure with two hairpins item 9 5 Figure 20 Open deflector completely making sure the actuator is completely closed Place the base bracket item 7 in the rear center of the ch...

Страница 27: ...erating the snowblower Secure using three 10 x 1 2 self drilling screws item 6 Leave a hole to install the ground wire Avoid placing the switch box where wires are already installed as they could be damaged 9 Figure 19 Connect the ring terminal of the ground wire item 1 to a ground screw of the vehicle 10 Figure 19 Connect the fuse wire item 3 to the tractor switch wire using a tap connector item ...

Страница 28: ...e tractor will always be able to overload the blower even if the machine is already at maximum capacity Furthermore tractors being very high the driveline angles will be excessive which means the universal joints will be very vulnerable and the life of the driveline will be dramatically reduced How to Determine Driveline Angles IMPORTANT To obtain the proper universal joint angles it is recommende...

Страница 29: ... Before using the equipment make sure the driveline is not too long At working position the two half drivelines must intersect each other sufficiently to insure maximum efficiency but there must not be any interference 1 To determine the L length for your tractor model first find the X factor figure 22 by measuring the horizontal distance between the end of the tractor s drive shaft and the end of...

Страница 30: ...guard as shown on Figure 4 Figure 23A Cut off inner and outer guard tubes as well as the inner and outer telescopic sections 5 Figure 23A Cut the guard a second time leaving the same distance between the end of the guard and the end of the shaft as existed before To obtain the proper distance A shown on Figure 23A cut the guard according to the following table DISTANCE A Male PTO Female PTO 1 3 4 ...

Страница 31: ...item 2 3 Remove the bolts items 3 from the driveline yoke item 2 and slide yoke over drive shaft using the sliding action of the driveline Make sure the driveline is well secured to the shaft by reinstalling the bolts and nuts item 3 4 in the order shown Tighten the bolts according to the Torque Specification Table at the end of manual 4 Attach safety chain item 5 around the upper link item 6 to p...

Страница 32: ...ound lock pin in the lower hole item 3 3 Figure 26 Detach upper link item 4 by removing linchpin and pin items 6 5 4 Figure 26 Disconnect driveline from tractor and attach the driveline safety chain item 7 to the three point hitch eyebolt item 8 5 Figure 26 Carefully detach lower links items 2 from hitch pins item 1 by removing linchpins items 3 loosen anti sway turnbuckles and slowly back tractor...

Страница 33: ... 2 lower the parking stand item 1 and reinsert the wire round lock pin in the lower hole item 3 3 Figure 28 Disconnect driveline item 1 from tractor and attach the driveline safety chain item 2 to the three point hitch eyebolt item 3 4 Figure 28 Slowly back the tractor away to release quick hitch item 4 from the snowblower Figure 28 ...

Страница 34: ... personal injury be sure the tractor engine is off the drive shaft disengaged and all movement has stopped before making any adjustments ADJUSTMENTS Chain Tension Adjustment Figure 29 The premature wear of the chain may be caused by tension being too tight It is therefore important not to tighten chain to its maximum To adjust the tension on the drive chain loosen the bolt item 1 securing the idle...

Страница 35: ...ft shut off the tractor engine remove the ignition key wait for all movement to stop and then clear the snow from the chute A definite pattern of operation is required to thoroughly clean the snow area These patterns will avoid throwing snow in unwanted places as well as eliminating a second removal of snow Where it is possible to throw the snow to the left and right above as on a long driveway it...

Страница 36: ...the shearbolts need replacement use the following parts only Drive shaft Shearbolt hex 1 4 NC x 1 1 4 gr 2 incl nut Part 669345 Driveline Shearbolt M8 x 1 25 x 50mm gr 8 8 and nut Part 4700060 WARNING Provide adequate blocking before working under the snowblower when in the raised position Driveline IMPORTANT When the snowblower is not used for more than two weeks perform driveline maintenance and...

Страница 37: ... and cover each one of them with grease 16 hours Oil the push pins Chain 4 hours and after each operation Lubricate with chain lube Drive Shaft 24 hours of operation Grease fitting on shear plate Gearbox Every month Check oil level If needed add AGMA 5EP extreme pressure oil SAE 80W90 gear oil or equivalent Once a year Replace oil Bearing 24 hours of operation Grease each auger and drive shaft bea...

Страница 38: ...ect pins must be cleaned and greased every 16 hours AVOIDABLE DAMAGES POSSIBLE CAUSES CORRECTIVE ACTIONS YOKE Yoke ears deformation Excessive shaft length Axial loads too high Excessive working angle and torque Shorten shaft length cut both telescopic tubes as well as shields and remove burrs Replace defective yokes Clean and grease telescopic tubes and replace both tubes if necessary Replace defe...

Страница 39: ...reasing Verify compatibility 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 TUBES Telescopic tubes failure or twisting Extreme torque peak or shock load Short tube engagement Use appropriate safety device Change to a...

Страница 40: ...parts of the machine or tractor Mount chain to allow maximum angularity Replace defective parts Shield cone damaged Shield cone in contact with components on the tractor and or implement Excessive angularity Eliminate interference between Shield cones and any part on the tractor and or implement Avoid excessive angle during cornering or when lifting or lowering the implement Replace damaged Shield...

Страница 41: ...and Left Hand are determined by those seen by the conductor standing behind the equipment The manufacturer reserves the rights to change modify or eliminate from time to time for technical or other reasons certain or all data specifications or the product or products themselves without any liability or obligation The parts listed here are available through your local dealer MANUAL HOLDER ALL MODEL...

Страница 42: ...PARTS OM 0410SB A 40 SNOWBLOWER B74C ...

Страница 43: ... Lockwasher 3 8 PTD 13 1200004 19 Flat washer 3 8 1 1400003 20 Fan washer 1 661554 21 Fan 1 668966 22 Key 3 8 x 3 8 x 2 3 4 lg 1 654174 23 Driveline Series 40 1 4700159 24 Driveline shield bracket 1 668097 25 Hairpin 3mm x 65mm lg PTD 1 1800004 26 Driveline shield 1 668057 27 Bolt hex 3 8 NC x 5 gr 5 PTD 4 0100051 28 Nut hex 3 8 NC gr 5 PTD 12 0900003 29 Spacer plate 1 669722 30 Shear plate 1 6695...

Страница 44: ... 1 lg gr 5 PTD 4 0300022 50 Adjustable skid shoe 2 669586 51 Nylon flat washer 7 16 hole 2 658468 52 Flange bearing 1 1 4 hole 4 holes 3 4300118 53 Lockwasher 1 2 PTD 18 1200006 54 Nut hex 1 2 NC PTD 22 0900006 55 Nylon flat washer 11 32 hole 4 658467 56 Sprocket 60A32 1 654167 57 Access plate 1 669597 58 Bolt hex 1 2 NC x 1 1 2 lg gr 5 PTD 12 0100070 59 Bolt hex 5 8 NC x 4 1 2 lg gr 5 PTD 1 01001...

Страница 45: ...put shaft 1 664663 5 Shim 2 659855 6 Oil seal 3 659852 7 Snap ring 2 656652 8 Gear 2 662236 9 Parallel key 2 659850 10 Output shaft 1 659853 11 Bearing 2 659844 12 Plug 1 659847 13 O ring 1 661144 14 Allen socket head cap screw M8 x 1 25mm x 55mm 8 8 8 0800032 15 Stover locknut M8 x 1 25mm 8 8 0900063 16 Shim 1 659854 ...

Страница 46: ...9 4 Female tube 1 4700160 5 Male tube 1 4700161 6 Yoke for male tube 1 663193 7 Yoke ass y 1 4700058 8 Bolt M12 x 1 25 x 70 with nut 2 662199 9 Grease fitting 1 663129 10 Ball Ø1 4 23 663163 11 Shear bolt 8mm x 1 25 x 50 gr 8 8 and nut 1 4700060 12 Protector and chain 1 4700164 13 Pin for outer tube 1 4700061 14 Pin for inner tube 1 4700062 ...

Страница 47: ...C x 1 gr 5 1 0800009 13 Nylon insert locknut 10 24 NC PTD 1 1000002 14 Handle support 1 660187 15 Handle support bracket 1 660269 16 Hex bolt 3 8 NC x 1 1 4 gr 5 PTD 2 0100039 17 Hex nut 3 8 NC PTD 2 0900003 18 Lockwasher 3 8 PTD 2 1200004 19 Setscrew 3 8 NC x 1 2 square head 1 0600006 20 Plastic Grommet 1 657390 21 Bracket 1 660388 22 Hex bolt 3 4 NC x 1 1 2 gr 5 PTD 1 0100115 23 Lockwasher 3 4 P...

Страница 48: ...er hose 1 4 x 75 lg 2 666583 6 Reducer 1 4 NPT female x 1 2 NPT male 2 0100040 7 Male quick coupler 2 1000006 8 Dust cap 2 2100009 9 Flat washer 1 4 5 16 hole PTD 1 1400002 10 Lockwasher 1 4 PTD 3 1200002 11 Gear shield 1 669715 12 Bolt hex 1 4 NC x 3 4 PTD 3 0100003 13 Bolt hex 3 8 NC x 1 PTD 4 0100038 14 Lockwasher 3 8 PTD 4 1200004 15 Flat washer 3 8 7 16 hole PTD 4 1400004 16 Motor spacer 1 66...

Страница 49: ...lbow 90 3 8 NPT STM x 1 4 NPT SWF 2 654438 6 Deflector bracket 1 669979 7 Deflector base bracket 1 669980 8 Cylinder pins ass y 1 665433 Seal kit 1 665434 9 Cotter pin 3 16 x 1 1 2 PTD 4 1500013 10 Pin 3 4 x 2 1 2 PTD 2 665235 11 Hose support 1 669031 12 Hose clamp 1 666583 13 Bolt hex 3 8 NC x 1 1 2 PTD 3 0100040 14 Nylon insert locknut 3 8 NC PTD 3 1000006 15 Nylon insert locknut 5 16 NC PTD 2 1...

Страница 50: ...assembly 1 666056 13 Spring pin 3 16 x 1 3 4 black 2 1600009 14 Hairpin 4mm x 80mm PTD 2 1800002 15 Self drilling screw 10 x 1 2 4 3200011 16 Bolt hex 1 2 NC x 2 1 2 PTD 2 0100076 17 Nylon insert locknut 1 2 NC PTD 2 1000011 18 Loom 3 8 x 420 1 666053 19 Nylon insert locknut 5 16 NC PTD 2 1000005 20 Nylon insert locknut 8 lg x 4 mm 5 2100003 21 Deflector bracket 1 669826 22 Base bracket 1 669825 2...

Страница 51: ... 2 92 68 145 105 200 150 9 16 12NC 95 70 150 110 210 155 M14 X 1 5 99 73 155 115 215 160 9 16 18NF 105 79 165 120 235 170 M16 X 2 145 105 225 165 315 230 5 8 11NC 130 97 205 150 285 210 M16 X 1 5 155 115 240 180 335 245 5 8 18NF 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10NC 235 170 360 265 510 375 M18 X 1 5 220 165 350 260 485 355 3 4 16NF 260 190 405 295 570 420 M20 X 2 5 280...

Страница 52: ... by RADTECH Division of RAD Technologies Inc 2835 Chemin de l Aéroport Thetford Mines Québec Canada G6G 5R7 Tel 418 338 4499 Fax 418 338 6090 e mail radtech radinter com Internet www radinter com Printed in Canada ...

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