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OPERATOR'S
GRAVELY
MANUAL
NAME: GRAVELY SNOWBLOWERS PART NUMBER(S): 28” - 20979
34” - 20981
38” - 20980
44” - 20982
The 28 Inch and 34 Inch Snowblowers are used with Gravely two wheel tractors. The 38 Inch and 44
Inch Snowblowers are used with Gravely four wheel tractors.
To fasten the Snowblower to a Gravely two wheel tractor a Quick Hitch Pin Kit, part No. 23220, is
needed. To fasten the Snowblower to a Gravely four wheel tractor a Front Drive Kit, part No. 21124, is
needed.
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CONTENTS 1.0 ....................................................SAFETY PRECAUTIONS 2.0 ....................................................ILLUSTRATED 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 ......
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1.0 SAFETY PRECAUTIONS The information in this Operator's Manual must be followed to do service and for safe operation of this equipment. Using this equipment the wrong way can cause injury to persons and damage to the equipment. Persons using or doing maintenance on this equipment must read this Operator's Manual and follow the instructions. It is important to understand that the warnings in this Operator's Manual and any other instruction book do not list every possible danger.
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1.1 TRAINING 5. After hitting some material, put the PTO control in the OFF position and turn the ignition switch 1. Read the Operator's Manual and learn the to the OFF position_ Make repairs before function of the tractor's controls. Know how to restarting. stop the tractor and snowblower drive fast. 6. Vibration or sound change is a warning that 2. Never let children operate the equipment. damage has been done. Make repairs before operating the equipment. 3. Let adults operate the
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SNOWBLOWERS, 28”, 34", 38" & 44" FAN DRIVE SNOWBLOWERS, 28", 34", 38" & 44" FAN DRIVE ITEM NO. PART NO. QTY. DESCRIPTION 1 419454 2 Nut, Lock; 1/4-20 Washer Insert 2 180044 1 Bolt, Hex; 1/4-20 x 2 3 20992 1 Weldment, Drive Shaft 4 124553 1 Key, Woodruff; 1/4 x 1 Hard No. 15 5 20573 1 Kit, Repair Universal Joint Neapco 1605x 12134 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
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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 3 19340 1 Race, Bearing Thrust; 1.002 x 1.552 x .030 4 20989 1 Shaft 5 456542 2 Pin, Spring; 3/16 x 1-1/2 6 21144 1 Eye, 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 1
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SNOWBLOWERS, 28", 34", 38" & 44" REEL DRIVE ASSEMBLY
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SNOWBLOWERS, 28”, 34”, 38” & 44” REEL DRIVE ASSEMBLY ITEM NO. PART NO. QTY. DESCRIPTION 1 2 120392 4 Washer, Flat; .281 x .625 x .065 3 6341 1 Cap, Front Pinion Bearing 4 6339 1 Gasket, Bearing Cap 5 9660 2 Bearing, Torrington; B-128 (B-128-OH) 6 9659 1 Washer, Thrust 7 20696 1 Shaft, Snowblower Worm 8 10325 1 Spacer 9 9662 2 Bearing, Needle Thrust Race 10 9661 1 Bearing, Torrington #NTG-1427 11 20697 1 Shaft, 28 In. Reel 6485 1 Shaft, 34 In. Reel 11796 1 Shaft, 38 In. Reel
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SNOWBLOWERS, 28" & 34" FRAME ASSEMBLY
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SNOWBLOWERS, 28" & 34" WALKING FRAME ASSEMBLY ITEM NO. PART NO. QTY. DESCRIPTION 1 180075 5 Bolt, Hex; 5/16-18 x 5/8 2 12409 2 Bearing, Flange 3 10579 I Bracket, Gear Box Support 4 120394 13 Washer, Flat; .406 x .812 x .065 5 456004 9 Nut, Lock; 3/2-16 Washer Insert Hex 6 20706 1 Strip, Wear; 28 In. 6412 1 Strip, Wear; 34 In. 7 20707 1 Guard, Snowblower 28 In. 6396 1 Guard, 34 In. 8 180020 2 Bolt, Hex; 1/4-20 x 3/4 9 419455 4 Nut, Lock; 5/16-18 Washer Insert Hex
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SNOWBLOWERS, 38" & 44" FRAME ASSEMBLY
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SNOWBLOWERS, 38" & 44" FRAME ASSEMBLY ITEM NO. PART NO. QTY- DESCRIPTION 1 180075 5 Bolt, Hex; 5/16-18 x 5/8 2 11788 1 Strip, Wear 19791 1 Strip, Wear 3 10579 1 Bracket, Gear Box Support 4 120394 13 Washer, Flat; .406 x .812 x .065 5 456004 9 Nut, Lock; 3/8-16 Washer Insert Hex 6 180020 2 Bolt, Hex; 1/4-20 x 3/4 7 11789 1 Guard 19792 1 Guard 8 12409 2 Bearing, Flange 9 126485 4 Bolt; 1/2-13 x 1-1/4 RD HD SQ NK 10 120518 4 Bolt; 1/4-20 x 3/4 RD HD SQ NK 11 419454 12 Nut, Lock; 1
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3.0 CONNECTING THE SNOWBLOWER TO THE TWO WHEEL TRACTOR 8. Put the ring pin through the hole in the end of the 1. Install the Quick Hitch Pin Kit as shown quick hitch pin as shown in figure 3.0-2. in figure 3.0-1. f 1 -Quick Hitch Pin 1 - Ring Pin 2 - Bolt 2 -Snowblower Support 3 -Attachment Adapter 4 --- Bushing 3 -Universal Joint Figure 3.0-2 Figure 3.0-1 To remove the snowblower from the tractor, 2. Put the bushing on the 1/2" x 2-3/4" Bolt and fasten to the upper, lef
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4.0 OPERATING THE 28 & 34 INCH SNOWBLOWERS Read the tractor Operator's Manual. Know how to operate the tractor controls. 1. Adjust the skids shown in figure 4.0-1 to give ground clearance needed for the surface conditions. When removing snow from a gravel surface, adjust the skids to raise the snowblower to prevent gravel from going into the snowblower. When removing snow from a smooth surface, the snowblower can be lowered until the wearstrip contacts the surface. 1 - Deflect
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5.0 CONNECTING THE SNOWBLOWER TO THE FOUR NOTE: When going through the snow for the first time, a full width passage must be cut. The WHEEL TRACTOR forward speed must be slow enough to permit the snow to go through the discharge chute 1. Install the front drive kit on the tractor. See figure 5.0-1. without being stopped. 9. Put the Direction Control Lever in the forward position and make the first passage through the snow. WARNING: The snowblower auger or impeller can be stopp
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3. Put the frame pivot rod of the snowblower support in the front attachment brackets and fasten with the hitch pins as shown in figure 5.0-3. 1. Front Drive Kit Push Rod 1. Frame Pivot Rod 2. Snowblower Push Rod 2. Front Attachment Bracket 3. Front Drive Kit Push Rod Pivot Pin 3. Hitch Pin 4. Hitch Pin 4. Universal Joint Shaft 5. Universal Joint Tube Figure 5.0-4 Figure 5.0-3 4. Put the universal joint shaft into the universal joint tube and put the universal jo
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6.0 OPERATING THE 38 & 44 INCH SNOWBLOWERS Read the tractor Operator's Manual. Know how to operate the tractor controls. 1. Adjust the skids shown in figure 6.0-1 to give ground clearance needed for the surface conditions. When removing snow from a gravel surface, adjust the skids to raise the snowblower to prevent gravel from going into the snowblower. When removing snow from a smooth surface, the snowblower can he lowered until the wearstrip contacts the surface. I - Disch
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11. On the next and remaining passages, cut as 8.0 STORAGE much snow as will go through the discharge chute without being stopped. 1. Clean the Snowblower.
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GRAVELY ATTACHMENT LIMITED WARRANTY This Limited Warranty is issued by Gravely Division, 6. This Warranty does not cover the following: McGraw-Edison Company, and consists of the following a. Transportation between owner's home or place terms: of business and the dealership. If the dealer 1. Only the original purchaser of new Gravely provides the transportation of the attachment, he manufactured attachments is covered by this will charge the owner his usual rate for such Warranty. servic
