Gravely 20981 User's Manual
Contents
1. 1 1 1 1 1 1 2 Washer Flat 281 x 625 x 065 Cap Front Pinion Bearing Gasket Bearing Cap Bearing Torrington B 128 B 128 OH Washer Thrust Shaft Snowblower Worm Spacer Bearing Needle Thrust Race Bearing Torrington NTG 1427 Shaft 28 In Reel Shaft 34 In Reel Shaft 38 In Reel Shaft 44 In Reel Plug Pipe 1 2 In SQ HD Steel Nut Hex 7 8 14 Housing Snowblower Gear O Ring 1 3 4 x 2 1 8 x 3 16 Plate Drive Disc Friction Bolt Hex 7 16 20 x 1 Seal Oil 3 4 x 1 851 x 3 8 Bearing Thrust Race Torr TRD 2840 Gear Worm Tube Reel Gear Key Nut Lock 7 16 20 Type N Hex Bracket Gear Box Support Washer Lock 1 4 Int Tooth O Ring 3 x 3 1 4 x 1 8 Cap Gear Housing Reel Weldment 28 In Reel Weldment 34 In Reel Weldment 38 In Reel Weldment 44 In Reel Weldment 28 In Reel Weldment 34 In Reel Weldment 38 In Reel Weldment 44 In Washer Pilot Washer Belleville Spring 1 1 4 x 2 1 2 Ep VE so LALATITI NOTE Items shown in Circle A pertains to 38 amp 44 Riding Snowblowers Only SNOWBLOWERS 28 amp 34 FRAME ASSEMBLY ITEM NO 1 Oooh WD 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 22 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 SNOWBLOWERS 28 8 34 WALKING PART NO 180075 12409 10579 120394 456004 20706 6412 207072. HD SQ NK Nut Lock 1 4 20 Washer Insert Hex Nut Lock 5 16 18 Washer Insert Hex Nut Lock 5 16 18 Type N Hex Bolt Hex 5 16 18 x 1 1 8 Decal Caution Nut Lock 1 2 13 Washer Insert Hex Washer Flat 500 x 1 062 x 095 Bolt Hex 3 8 16 x 1 Washer Flat 281 x 625 x 065 Skid Ring Bearing Bolt 1 4 20 x 2 1 4 RD HD SQ NK Glide Nut Spring Shape 8032 Type A J Weldment Fan Housing Chute Weldment Screw Tapping 8 32 x 3 8 Pan Head Type C Spacer Tube Guard Guide Cable Weldment Clamp Bolt Hex 1 4 20 x 50 Nut Mach 8 32 Hex Baffle Deflector Retainer Baffle Screw Mach 8 32 x 1 2 Flat HD C Recess Washer Lock 1 4 SP Nut Deflector Wing Chute Deflector Weldment Rod Push Weldment Rope Wire Bolt Hex 1 2 13 x 1 25 Support Bracket Support Cotter Hair Pin Washer Flat 812 x 1 469 x 134 Bolt Hex 3 8 16 x 1 1 4 Decal Snowblower Discharge Bolt Hex 3 8 16 x 2 Weldment Support Support Weldment Body 38 In Snowblower Weldment Body 44 In Snowblower Weldment Crank Support Bolt Hex 1 4 20 x 7 8 3 0 CONNECTING THE SNOWBLOWER TO THE TWO WHEEL TRACTOR 1 Install the Quick Hitch Pin Kit as shown 8 Put the ring pin through the hole in the end of the in figure 3 0 1 quick hitch pin as shown in figure 3 0 2 1 Quick Hitch Pin 2 Bolt 1 Ring Pin 3 Attachment Adapter 2 Snowblower Support 4 Bushing 3 Universal Joint Figure 3 0 1 Figure 3 0 2 2 Put the b
3. McGraw Edison Company One Gravely Lane Clemmons NC 27012 Attn Manager of Customer Services e Warranty service on Gravely attachments must be performed by an authorized Gravely dealer or Gravely factory branch This Warranty does not cover the following a Transportation 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 GRAVELY MAKES NO OTHER EXPRESS WARRANTIES ANY IMPLIED WARRANTIES INCLUDING WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE PERIOD SET OUT IN PARAGRAPH 3 ABOVE SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE STATEMENT MAY NOT APPLY TO YOU GRAVELY SHALL HAVE NO RESPONSIBILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE BREACH OF ANY WARRANTY INCLUDING BUT NOT LIMITED TO INCONVENIENCE RENTAL OR PURCHASE OF REPLACEMENT PRODUCTS LOSS OF PROFITS OR COMMERCIAL LOSS SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU This Warranty gives you specific legal rights and you may have other rights which vary from
4. state to state A Gravely product registration card is supplied with each Gravely product Please complete the card and return it to Gravely at the address listed on the card The registration card will be used by Gravely for a Recording date of purchase b Notification of owners in compliance with the Consumer Product Safety Act should any notification be necessary The return of registration card is not required in order to take advantages of this Warranty 11 This Warranty is not subject to change or modification by anyone including Gravely dealers and no Gravely dealer is authorized to make any representations or promises on Gravely s behalf GRAVELY Gravely Division McGraw Edison Company One Gravely Lane Clemmons NC 27012
5. 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 maintenance on this equipment The purchaser must get the operator and person doing maintenance on this equipment to use eye and foot protection 1 1 1 2 1 3 TRAINING Read the Operator s Manual and learn the function of the tractor s controls Know how to stop the tractor and snowblower drive fast Never let children operate the equipment Let adults operate the equipment only after reading and understanding the instructions in this Operator s Manual PREPARATION Before snowfall inspect the area of operation and remove all material that will be thrown stop or do damage to the snowblower Put the Direction Control lever in the neutral position and the PTO control in the OFF position before starting the engine Use foot protection that will decrease sliding Use caution when putting gasoline in the fuel tank Use a clean and tight fuel container Never put gasoline in the fuel tank while the engine is running Never put gasoline in the fuel tank while the tractor is inside a building Clean off any gasoline that falls on the tractor before starting the eng
6. 50 Nut Mach 8 32 Hex Baffle Deflector Retainer Baffle Pin Self Locking Screw Mach 8 32 x 1 2 Flat Hd C Recess Washer Lock 1 4 SP Wing Deflector Chute Deflector Weldment Rope Wire Support Bolt Hex 3 8 16 x 2 Bracket Support Bolt Hex 3 8 16 x 1 1 4 Support Bolt Hex 1 2 13 x 1 25 Support Weldment Bolt Hex 1 4 20 x 7 8 Decal Snowblower Discharge Crank Support Weldment Bushing 531 x 1 000 x 600 Bolt 1 4 20 x 2 1 4 RD HD SQ NK SNOWBLOWERS 38 amp 44 FRAME ASSEMBLY ITEM NO PART NO 180075 11788 19791 10579 120394 456004 180020 11789 19792 12409 126485 120518 419454 419455 413447 180080 19479 435507 120396 180122 120392 24379 6477 126348 10580 445339 20994 6404 164354 20928 6370 6496 180016 120622 6352 10496 155886 120380 6464 6399 11809 6381 180175 19740 20984 10405 131017 180124 21020 180130 21008 20998 20726 20732 21005 180021 SNOWBLOWERS 38 amp 44 FRAME ASSEMBLY QTY aa ag wo RAN AN N En a Phy E r 2 om om mn WH WH Bae e E a E e e a o e a DESCRIPTION Bolt Hex 5 16 18 x 5 8 Strip Wear Strip Wear Bracket Gear Box Support Washer Flat 406 x 812 x 065 Nut Lock 3 8 16 Washer Insert Hex Bolt Hex 1 4 20 x 3 4 Guard Guard Bearing Flange Bolt 1 2 13 x 1 1 4 RD HD SQ NK Bolt 1 4 20 x 3 4 RD
7. 6396 180020 419455 419454 413447 126485 180080 120392 180122 120518 6477 435507 120396 24379 180177 20703 20722 19479 20994 6404 10580 445339 20928 164354 6370 6496 180016 120622 6352 10496 21244 155886 120380 6464 6399 6381 19740 180130 20984 180124 20998 180175 20708 180021 21020 20985 19297 126348 FRAME ASSEMBLY QTY DESCRIPTION 5 Bolt Hex 5 16 18 x 5 8 2 Bearing Flange Bracket Gear Box Support 13 Washer Flat 406 x 812 x 065 9 Nut Lock 3 2 16 Washer Insert Hex 1 Strip Wear 28 In 1 Strip Wear 34 In 1 Guard Snowblower 28 In 1 Guard 34 In 2 Bolt Hex 1 4 20 x 3 4 4 Nut Lock 5 16 18 Washer Insert Hex 13 Nut Lock 1 4 20 Washer Insert Hex 5 Nut Lock 5 16 18 Type N Hex 4 Bolt 1 2 13 x 1 1 4 RD HD SQ NK 4 Bolt Hex 5 16 18 x 1 1 8 11 Washer Flat 281 x 625 x 065 0 0 Bolt Hex 3 8 16 x 1 Bolt 1 4 20 x 3 4 RD HD SQ NK Ring Bearing Nut Lock 1 2 13 Washer Insert Hex Washer Flat 500 x 1 062 x 095 Skid Bolt Hex 1 2 13 x 1 1 2 Weldment Body 28 In Snowblower Weldment Body 34 In Snowblower Decal Caution Weldment Fan Housing Chute Weldment Glide Nut Spring Shape 8032 Type A J Spacer Tube Guard Screw Tapping 8 32 x 3 8 Pan Head Type C Guide Cable Weldment Clamp Bolt Hex 1 4 20 x
8. BGRAVELY QPERATOR S NAME GRAVELY SNOWBLOWERS PART NUMBER S 28 20979 34 20981 38 20980 44 20982 The 28 Inch and 34 Inch Snowblowers 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 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 obligation CONTENTS SAFETY PRECAUTIONS ILLUSTRATED PARTS LIST CONNECTING THE SNOWBLOWER TO THE TWO WHEEL TRACTOR OPERATING THE 28 or 34 INCH SNOWBLOWER CONNECTING THE SNOWBLOWER TO THE FOUR WHEEL TRACTOR OPERATING THE 38 or 44 INCH SNOWBLOWER MAINTENANCE STORAGE 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
9. LOWER TO THE FOUR WHEEL TRACTOR 1 Install the front drive kit on the tractor See figure 5 0 1 Figure 5 0 1 2 Fasten the universal joint tube to the snow blower drive shaft with the 1 4 x 2 bolt and 1 4 lock nut as shown in figure 5 0 2 1 Universal Joint Tube 2 Bolt Figure 5 0 2 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 Frame Pivot Rod Front Attachment Bracket Hitch Pin Universal Joint Shaft Universal Joint Tube ES Figure 5 0 3 Put the universal joint shaft into the universal joint tube and put the universal joint shaft on the drive shaft of the front drive kit as shown in figure 5 0 3 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 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 figure 5 0 4 Front Drive Kit Push Rod Snowblower Push Rod Front Drive Kit Push Rod Pivot Pin Hitch Pin AUNE Figure 5 0 4 6 0 OPERATING THE 38 amp 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
10. OWBLOWER WITH THE ENGINE RUNNING 11 12 On the next and remaining passages cut as much snow as will go through the discharge chute without being stopped 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 6 0 3 to a torque of 85 ft Ibs 115 Nm 1 Reel 2 Nut Figure 6 0 3 7 0 MAINTENANCE After Each Use 1 Inspect all nuts bolts and other fasteners to make Insp sure they are tight and replace any that are gone Inspect the reel fan skids and wearstrip for damage and replace if damaged Put lubricant on the wire rope where it goes through the guide tubes Use tractor engine lubricant Put lubricant in the holes where the fan housing connects to the reel housing Use tractor engine lubricant Add multi purpose grease to the grease fitting on the universal joint until grease comes out the end of the universal joint tube 8 0 STORAGE Clean the Snowblower Check the gear housing lubricant level by removing the pipe plug shown in figure 8 0 1 The lubricant level is correct when the lubricant is at the bottom of the pipe plug hole Add SAE 90W EP gear lubricant when the level is low Install the pipe plug and tighten it To prevent rust put paint or grease on any area where the paint has been removed 1 Gear Housing 2 Pipe Plug Figure 8 0 1 GRAVELY ATTACHMENT LIMITED WAR
11. RANTY 6 This Limited Warranty is issued by Gravely Division McGraw Edison Company and consists of the following terms 1 Only the original purchaser of new Gravely manufactured attachments is covered by this Warranty This Warranty covers repair or replacement of parts manufactured by Gravely which are defective in material or workmanship Gravely will pay for parts and labor only The Warranty starts the date of purchase and lasts for NINETY 90 DAYS for attachments used in Roofer applications and TWELVE 12 MONTHS for products used in all other applications Some components of Gravely attachments are not covered by the Gravely Warranty These components are covered by the original manufacturer s warranty which is included with the product They are a Engine Honda b Tires Goodyear and Armstrong To obtain warranty service on Gravely attachments including components not manufactured by Gravely use this procedure a Notify the Gravely dealer from whom you purchased the attachment b If you have moved and it is not convenient to notify the selling dealer notify the nearest Gravely dealer You should supply this dealer with a copy of the bill of sale as proof of the date of purchase c Make arrangements to have the attachment delivered to the dealer refer to paragraph 6 a below d It you have any questions concerning the Gravely Limited Warranty they should be referred to Gravely Division
12. 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 1 Skid 2 Bolt Figure 6 0 1 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 Start the tractor engine Wait until the engine is Push the discharge chute crank in and turn the crank to rotate the discharge chute to a position that snow will be blown away from the area that is being cleaned See figure 6 0 2 Lower the snowblower to the ground Put the RANGE selector in the LO position 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 full width passage must be cut The forward speed must be slow enough to permit the snow to go through the dis charge chute without being stopped 10 Put the Direction Control Lever in the for ward position and make the first passage through the snow WARNING The snowblower auger or impeller can be stopped by too much ice snow or debris while the engine is still giving power to the snow blower Severe injury to the person can be caused when cleaning the snowblower while the engine is running NEVER CLEAN THE SN
13. ine Lower the snowblower skids to give ground clearance needed to stop gravel from going into the snowblower OPERATION Keep away from moving parts Keep away from the discharge chute Never use the tractor for person transport Put the PTO control in the OFF position turn the ignition switch to the OFF position and wait until the engine and moving parts stop before leaving the tractor seat or operator s position to make adjustments repairs or give service 10 11 19 After hitting some material put the PTO control in the OFF position and turn the ignition switch to the OFF position repairs before restarting Vibration or sound change is a warning that damage has been done Make repairs before operating the equipment Never start and run the engine inside a building except to move the equipment outside The snowblower auger or impeller can be stopped by too much ice snow or debris while the engine is still giving power to the snowblower Severe injury to the person can be caused when cleaning the snowblower while the engine is running NEVER CLEAN THE SNOWBLOWER WITH THE ENGINE RUNNING When removing snow from a slope go up and down the slope never across Use caution when changing direction on slopes Never operate the snowblower without all safety equipment being in place Discharge the snow away from any area where the snow can cause damage The forward speed must be slow e
14. nough to permit the snow to go through the snow blower without being stopped Use a slow speed when moving the equipment to decrease sliding on surfaces with ice Use only Gravely accessories for the snow blower and tractor Do not operate unless you can check the area visually Run the snowblower a short time after blowing snow to decrease freezing of the collector impeller After using the snowblower disengage the PTO and stop the engine and remove allsnow and ice before putting the snow blower in storage Never put the tractor in storage with gasoline in the fuel tank SNOWBLOWERS 28 34 38 amp 44 FAN DRIVE SNOWBLOWERS 28 34 38 amp 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 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 amp 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 Universal Rect Tube 16 Refer to Reel Drive Assembly NOTE Circle A Per
15. re operating the snowblower Push the discharge chute crank in and turn the crank to rotate the discharge chute to a position that snow will be blown away See Figure 4 0 3 1 Deflector Chute 2 Wing Nut Figure 4 0 2 1 Discharge Chute Crank Figure 4 0 3 If the tractor has a Range Shift put it in the LOW position Engage the PTO Move the throttle lever to the FAST position Put the Gear Shift in the LOW position NOTE When going through the snow for the first 9 time a full width passage must be cut The forward speed must be slow enough to permit the snow to go through the discharge chute without being stopped 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 stopped by too much ice snow or debris while the engine is still giving power to the snow blower Severe injury to the person can be caused when cleaning the snowblower while the engine is running NEVER CLEAN THE SNOWBLOWER WITH THE ENGINE RUNNING 10 11 On the next and remaining passages cut as much snow as will go through the discharge chute without being stopped 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 Ibs 115 Nm 1 Reel 2 Nut Figure 4 0 4 5 0 CONNECTING THE SNOWB
16. tains to 38 amp 44 Riding Snowblowers Only SNOWBLOWERS 28 34 38 amp 44 CRANK ASSEMBLY ITEM NO PART NO 20984 20999 19340 20989 456542 21144 20997 20998 9630 9612 10211 120396 137185 21005 21020 9652 21022 454563 10210 20985 DESCRIPTION Bracket Support Spring Compression Race Bearing Thrust 1 002 x 1 552 x 030 Shaft Pin Spring 3 16 x 1 1 2 Eye Single Assembly Cable Support Clamp Hose SAE Type F Connector Grip Handle Washer Flat 500 x 1 062 x 095 Pin Cotter 125 x 1 00 Weldment Crank Support 38 amp 44 Decal Snowblower Discharge Crank 28 amp 34 Snowblower Crank 38 amp 44 Snowblower Pin Spring 3 16 x 7 8 Cap Cap Stud Weldment Crank Support 28 amp 34 SNOWBLOWERS 28 34 38 amp 44 REEL DRIVE ASSEMBLY ITEM NO 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SNOWBLOWERS 28 34 38 amp 44 REEL DRIVE ASSEMBLY PART NO 120392 6341 6339 9660 9659 20696 10325 9662 9661 20697 6485 11796 19794 103880 426767 10573 9668 12399 9657 181666 9667 12404 12401 12402 12403 274655 10579 120423 9669 12400 20699 10222 11797 19795 20698 10221 11802 19799 6494 6493 QTY DESCRIPTION 4 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 2 2 2 2 1 2 1 1 1 2 1 3 1 1 1 1 1
17. ushing on the 1 2 x 2 3 4 Bolt To remove the snowblower from the tractor and fasten to the upper left quick hitch remove the ring pin Separate the tractor and stud as shown in figure 3 0 1 snowblower and keep the universal joint with the snowblower 3 Apply multi purpose grease to the quick hitch pin and power take off PTO shaft on the tractor 4 Put the universal joint on 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 4 0 OPERATING THE 28 amp 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 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 Start the tractor engine Wait until the engine is smooth running befo
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