Gravely 20979 Operator'S Manual Download Page 6

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SNOWBLOWERS, 28", 34", 38" & 44"

CRANK ASSEMBLY

ITEM NO. PART

NO. QTY. DESCRIPTION

1 20984 1

Bracket,

Support

2 20999 1

Spring,

Compression

19340

Race, Bearing Thrust; 1.002 x 1.552 x .030

4 20989 1

Shaft

456542

Pin, Spring; 3/16 x 1-1/2

6 21144 1

Eye,

Single

7 20997 1

Assembly,

Cable

8 20998 1

Support

9630

Clamp, Hose SAE; Type F

10 9612 1

Connector

11 10211 1

Grip,

Handle

120396

Washer, Flat; .500 x 1.062 x .095

137185

Pin, Cotter; .125 x 1.00

21005

Weldment, Crank Support; 38" & 44"

15 21020 1

Decal,

Snowblower

Discharge

9652

Crank, 28" & 34" Snowblower

21022

Crank, 38" & 44" Snowblower

454563

Pin, Spring; 3/16 x 7/8 Cap

18 10210 1

Cap,

Stud

20985

Weldment, Crank Support; 28" & 34"

Summary of Contents for 20979

Page 1: ...eeded To fasten the Snowblower to a Gravely four wheel tractor a Front Drive Kit part No 21124 is needed All reference to left side right side front and rear are from the operator s position To continue its program of quality and design improvement Form No 24729 6 78 Printed in U S A the manufacturer reserves the right to change specifications designs and prices without notice and incurring obliga...

Page 2: ...TRATED PARTS LIST 3 0 CONNECTING THE SNOWBLOWER TO THE TWO WHEEL TRACTOR 4 0 OPERATING THE 28 or 34 INCH SNOWBLOWER 5 0 CONNECTING THE SNOWBLOWER TO THE FOUR WHEEL TRACTOR 6 0 OPERATING THE 38 or 44 INCH SNOWBLOWER 7 0 MAINTENANCE 8 0 STORAGE ...

Page 3: ...ctions It is important to understand that the warnings in this Operator s Manual and any other instruction book do not list every possible danger It is not possible for Gravely to know and tell the operator or person doing service on the equipment of all the dangers in operating and doing service an the equipment The purchaser must give these instructions to the persons operating and doing mainten...

Page 4: ...djustments repairs or give service 5 After hitting some material put the PTO control in the OFF position and turn the ignition switch to the OFF position_ Make repairs before restarting 6 Vibration or sound change is a warning that damage has been done Make repairs before operating the equipment 7 Never start and run the engine inside a building except to move the equipment outside 8 The snowblowe...

Page 5: ...134 1 Kit Repair Universal Joint Rockwell Std 6 14987 4 Ring Retaining 1 00 Shaft 7 19731 1 Weldment Fan 8 19741 1 Bearing Ball 1 000 x 1 850 x 472 9 24560 1 Kit Repair Universal Joint Neapco 10 20859 2 Ring Retaining 11 19740 1 Support 12 21168 1 Assembly U Joint Double Applies to 28 34 Only 13 411027 1 Fitting Lube 1 4 28 Lube 1 4 28 14 20727 1 Joint Universal Rect Shaft 15 20728 1 Joint Univers...

Page 6: ...e Single 7 20997 1 Assembly Cable 8 20998 1 Support 9 9630 2 Clamp Hose SAE Type F 10 9612 1 Connector 11 10211 1 Grip Handle 12 120396 1 Washer Flat 500 x 1 062 x 095 13 137185 1 Pin Cotter 125 x 1 00 14 21005 1 Weldment Crank Support 38 44 15 21020 1 Decal Snowblower Discharge 16 9652 1 Crank 28 34 Snowblower 21022 1 Crank 38 44 Snowblower 17 454563 1 Pin Spring 3 16 x 7 8 Cap 18 10210 1 Cap Stu...

Page 7: ...SNOWBLOWERS 28 34 38 44 REEL DRIVE ASSEMBLY ...

Page 8: ...3 16 16 12399 2 Plate Drive 17 9657 2 Disc Friction 18 181666 2 Bolt Hex 7 16 20 x 1 19 9667 1 Seal Oil 3 4 x 1 851 x 3 8 20 12404 2 Bearing Thrust Race Torr TRD 2840 21 12401 1 Gear Worm 22 12402 1 Tube Reel Gear 23 12403 1 Key 24 274655 2 Nut Lock 7 16 20 Type N Hex 25 10579 1 Bracket Gear Box Support 26 120423 3 Washer Lock 1 4 Int Tooth 27 9669 1 O Ring 3 x 3 1 4 x 1 8 28 12400 1 Cap Gear Hous...

Page 9: ...SNOWBLOWERS 28 34 FRAME ASSEMBLY ...

Page 10: ... Hex 1 2 13 x 1 1 2 22 20703 1 Weldment Body 28 In Snowblower 20722 1 Weldment Body 34 In Snowblower 23 19479 2 Decal Caution 24 20994 1 Weldment Fan Housing 25 6404 1 Chute Weldment 26 10580 4 Glide 27 445339 4 Nut Spring Shape 8032 Type A J 22 20928 2 Spacer Tube Guard 29 164354 4 Screw Tapping 8 32 x 3 8 Pan Head Type C 30 6370 1 Guide Cable Weldment 31 6496 1 Clamp 32 180016 1 Bolt Hex 1 4 20 ...

Page 11: ...SNOWBLOWERS 38 44 FRAME ASSEMBLY ...

Page 12: ...Bolt 1 4 20 x 2 1 4 RD HD SQ NK 23 10580 4 Glide 24 445339 4 Nut Spring Shape 8032 Type A J 25 20994 1 Weldment Fan Housing 26 6404 1 Chute Weldment 27 164354 4 Screw Tapping 8 32 x 3 8 Pan Head Type C 28 20928 2 Spacer Tube Guard 29 6370 1 Guide Cable Weldment 30 6496 1 Clamp 31 180016 1 Bolt Hex 1 4 20 x 50 32 120622 3 Nut Mach 8 32 Hex 33 6352 1 Baffle Deflector 34 10496 1 Retainer Baffle 35 15...

Page 13: ... the snow blower drive shaft as far as it will go 5 Move the tractor putting the quick hitch pin three and one half inches into the snowblower support 6 Put the other end of the universal joint on the PTO shaft of the tractor 7 Move the tractor putting the quick hitch pin all the way through the snowblower support 8 Put the ring pin through the hole in the end of the quick hitch pin as shown in fi...

Page 14: ... 1 Skid 2 Bolt Figure 4 0 1 2 Adjust the deflector chute by loosening the wing nut shown in figure 4 0 2 The de flector chute controls the distance the snow will be blown 3 Start the tractor engine Wait until the engine is smooth running before operating the snowblower 4 Push the discharge chute crank in and turn the crank to rotate the discharge chute to a position that snow will be blown away Se...

Page 15: ...while the engine is running NEVER CLEAN THE SNOWBLOWER WITH THE ENGINE RUNNING 10 On the next and remaining passages cut as much snow as will go through the discharge chute without being stopped 11 If the reel stops turning while the fan continues to turn disengage the PTO stop the engine and tighten the nuts on each end of the reel shown in figure 4 0 4 to a torque of 85 ft lbs 115 Nm Figure 5 0 ...

Page 16: ...e and put the universal joint shaft on the drive shaft of the front drive kit as shown in figure 5 0 3 5 Put the snowblower push rod on the snow blower support and fasten with the hitch pin Then put the front drive kit push rod in the snowblower push rod 6 Put the front drive kit push rod pivot pin in the top hole in the attachment lift on the tractor and fasten with the hitch pin as shown in figu...

Page 17: ...otate the discharge chute to a position that snow will be blown away from the area that is being cleaned See figure 6 0 2 5 Lower the snowblower to the ground 6 Put the RANGE selector in the LO position I Discharge Chute Crank Figure 6 0 2 7 Engage the PTO 8 Move the throttle lever to the FAST position 9 Put the GEAR selector in the 2 position NOTE When going through the snow for the first time a ...

Page 18: ...lubricant on the wire rope where it goes through the guide tubes Use tractor engine lubricant 4 Put lubricant in the holes where the fan housing connects to the reel housing Use tractor engine lubricant 5 Add multi purpose grease to the grease fitting on the universal joint until grease comes out the end of the universal joint 6 tube 8 0 STORAGE 1 Clean the Snowblower 1 Check the gear housing lubr...

Page 19: ...sportation between owner s home or place of business and the dealership If the dealer provides the transportation of the attachment he will charge the owner his usual rate for such service b Normal maintenance services and normal replacement of items such as spark plugs belts oil oil filters air filters and mower plow or cultivator blades 7 GRAVELY MAKES NO OTHER EXPRESS WARRANTIES ANY IMPLIED WAR...

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