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MacDon 973, Operator'S Manual

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MacDon 973 Operator'S Manual Download Page 88

 

Form # 147083

 

Issue 01/07 

86

 

 

UNLOADING & ASSEMBLY

 

 

 

REPOSITION WOBBLE BOX BREATHER 

 

Unless header will be transported on a trailer that 

carries headers upright, swap position of breather (B) 

and plug (C) at wobble box to position breather in rear 

hole.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADJUSTMENTS AND CHECKS

 

 
Perform the final checks and adjustments as listed on 
the "Pre-Delivery Checklist" (yellow insert) to ensure 
the machine is field-ready. Use the Operator's Manual 
for directions. 
 
Place the Operator’s Manual and Parts Catalog in 
storage case (A) located under the left end shield. 
 

A

MANUAL STORAGE CASE 

B

C 

REPOSITION WOBBLE BOX BREATHER

Summary of Contents for 973

Page 1: ...Model 973 COMBINE HEADER Model 974 FLEX DRAPER COMBINE HEADER OPERATOR S MANUAL Form 147083 Issue 01 07 Sugg Retail 15 00...

Page 2: ...Inside Front Cover blank...

Page 3: ...this manual as your first source of information about the header If you follow the instructions given in this manual your Header will work well for many years This manual contains information on Safe...

Page 4: ...Checks Annual 15 Pre Starting Checks Daily 15 Operate Correctly 16 Header Controls 17 Header Lift Cylinder Stops 17 Reel Props 17 Operating Variables 18 Cutting Height Gauge Wheels Skid Shoes 18 19 D...

Page 5: ...Guards 48 Sickle Hold Downs 49 Wobble Box 50 Sickle Drive Belt Tension 51 Drapers Draper Tension Adjustment 52 Replacing Drapers 52 Idler Roller Positioning 53 Draper Tracking Adjustment 54 Idler Rol...

Page 6: ...t Kit 75 High Speed Reel Drive Sprocket 75 Tool Box 75 Bean Saver 75 Rock Retarder 75 Hydraulic Fore Aft Reel Positioner 973 Headers Only 76 Raised Sickle Conversion Kits 76 Windrower Header Conversio...

Page 7: ...TION Record the serial number in the space provided Plate A is located on gusset at left hand end sheet near main tube NOTE When ordering parts and service be sure to give your dealer the complete and...

Page 8: ...th or serious injury It is also used to alert against unsafe practices CAUTION Indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It is also used as...

Page 9: ...not operate without All driveline power unit and attachment shields in place Driveline securely attached at both ends Driveline shields that turn freely on driveline Order 158289 BACK TUBE Order 44611...

Page 10: ...mask hearing protection Be aware that prolonged exposure to loud noise can cause impairment or loss of hearing Wearing a suitable hearing protective device such as earmuffs A or earplugs B protects ag...

Page 11: ...achine life 11 Stop engine and remove key from ignition before leaving operator s seat for any reason A child or even a pet could engage an idling machine 12 Keep the area used for servicing machinery...

Page 12: ...25 30 36 39 ft 7 deflectors 35 2 to 45 4 895 mm to 1153 mm by shortening drapers 54 1 to 64 5 1375 mm to 1640 mm REEL TYPE MacDon 2100 cam action pick up reel FINGER TIP RADIUS 31 5 800 mm NUMBER OF...

Page 13: ...5 9 16 149 110 202 149 5 8 203 150 271 200 3 4 359 265 495 365 7 8 569 420 813 600 1 867 640 1205 890 METRIC TORQUE SPECIFICATIONS Bolt Torque 8 8 10 9 Bolt Dia A N m lb ft N m lb ft M3 0 5 4 1 8 1 3...

Page 14: ...3 1 2 5 8 16 12 2 1 3 9 16 11 16 24 18 2 1 3 3 4 7 8 46 34 2 1 3 7 8 1 62 46 1 1 2 1 4 1 1 16 1 1 4 102 75 1 1 6 1 3 16 1 3 8 122 90 1 1 6 1 5 16 1 1 2 142 105 3 4 1 8 1 5 8 1 7 8 190 140 3 4 1 8 1 7...

Page 15: ...ts safe and proper use 5 Review the manual and all safety related items with all operators annually 6 Be alert for other operators not using recommended procedures or not following safety precautions...

Page 16: ...ommended in combine adapter Operator s Manual 3 Adjust the tension of sickle drive belt A after a 5 hour run in period See Maintenance Service section Continue to check the belt tension periodically f...

Page 17: ...Do the following each day before start up CAUTION 1 Clear the area of other persons pets etc Keep children away from machinery Walk around the header to be sure no one is under on or close to it 2 Rem...

Page 18: ...rways 8 When working on inclines travel uphill or downhill when possible Be sure to keep transmission in gear when travelling downhill 9 Never attempt to get on or off a moving machine 10 Do not leave...

Page 19: ...ny reason See your Combine Operator s Manual for instruction regarding the use and storage of header lift cylinder stops REEL PROPS WARNING To avoid bodily injury from fall of raised reel always engag...

Page 20: ...g pages will affect the performance of the header and conditioner You will quickly become adept at adjusting the machine to give you the desired results CUTTING HEIGHT Desired cutting height will vary...

Page 21: ...be fine tuned with header angle adjustment Tip With header angle in the steeper part of the range center link more extended lower skid shoes until cutterbar and shoes contact the ground at the same t...

Page 22: ...NOTE A floating divider kit is available to extend the separation of crop to a point in front of the reel This can be beneficial in short up to 75 cm 30 in lodged or standing crop The floating divider...

Page 23: ...ing components and drives Higher ground speeds require heavier float settings to prevent excessive bouncing This will result in increased cutting component damage As ground speed is increased draper a...

Page 24: ...r floats away from the pin reduce float If arm F contacts pin but float is heavy increase float For 973 Headers see Header Flotation in Combine Adapter Operator s Manual for adjustment details FLOTATI...

Page 25: ...ll crank housing Loosen nut D and turn nut E to raise bell crank bolt F Tighten clamp bolt C NOTE Make small adjustments in position of tee bolt one or two turns followed by field test If the tee bolt...

Page 26: ...lowing 1 The header can be operated with the wing float lock pins engaged or disengaged Engaging the wing float lock pins will keep cutterbar straight at all times Operating with wing float lock disen...

Page 27: ...er header angle reduces sickle section breakage and reduces soil scooping or build up at the cutterbar in wet conditions Use a steeper angle to cut very close to the ground or in down crop for better...

Page 28: ...screws from draper connector slat 3 Use the following chart to determine which opening size and row of holes are required for the desired application NOTE Recommended starting point is with decks shif...

Page 29: ...Place connector tube so holes closest to end of tube are at cutterbar Connect draper with screw heads facing center opening 7 Apply draper tension as follows Check that draper V guide is properly enga...

Page 30: ...il there is approximately 2 inches 50 mm clearance between the rollers of the two decks IMPORTANT This clearance is required to prevent contact between draper connectors or slats as they pass between...

Page 31: ...ion to ground speed This can be achieved by increasing reel speed decreasing ground speed or both Excessive shattering of grain heads or crop loss over the header back tube may be indications that ree...

Page 32: ...ad of cutterbar to a higher number on the gauge After adjusting reel fore aft position check reel clearance to cutterbar Minimum finger to guard cutterbar clearance is as follows For 973 Headers 5 8 i...

Page 33: ...ame position as center arm and tightening C and D 4 Check clearance to cutterbar When operating reel with an aggressive finger pitch be sure that fingers will not contact sickle when flexed back by cr...

Page 34: ...s Check that height is consistent across the header and adjust as necessary Tighten all hardware 30 36 39 Headers Loosen two bolts A both sides Adjust vertical position with drawbolt B Exposed thread...

Page 35: ...THE HEADER WARNING Stop engine and remove key from ignition before removing plugged material from header If the sickle plugs 1 Stop forward movement of the combine and disengage header drives 2 With...

Page 36: ...dequate warning to other vehicles 5 Do not use field lamps on roads they may confuse other drivers 6 Before driving on a roadway clean slow moving vehicle emblem and reflectors Adjust rear view mirror...

Page 37: ...cutterbar lowered so water snow will not accumulate on drapers This accumulation of weight puts excessive stress on drapers and header 5 Lower header onto blocks to keep cutterbar off the ground 6 Lo...

Page 38: ...e person is servicing the machine at the same time be aware that rotating the driveline by hand for example to access a lube fitting will cause other drive components belts pulleys and sickle to move...

Page 39: ...ly if clean lubricants are used Contaminant in lubricants is the most likely cause of bearing and hydraulic system failure Use clean containers to handle all lubricants Store lubricants in an area pro...

Page 40: ...en fittings immediately 5 If fitting will not take grease remove and clean thoroughly Also clean lubricant passageway Replace fitting if necessary DANGER Stay clear of driveline until all movement has...

Page 41: ...ittings Idler rollers have grease fittings at both cutterbar and backsheet ends Drive rollers with motor have a grease fitting at the cutterbar only NOTE To access drive roller fittings loosen draper...

Page 42: ...e fitting two fittings on bat reels 5 Sickle Drive Shaft Support Bearings D E two fittings 6 Split Reel Connector Block F one fitting on split reel headers 7 974 Flex Header Lower Linkage G six fittin...

Page 43: ...l Pivot Bushings if equipped D two fittings 10 Upper Cross Auger Center Connection if equipped J two fittings on 30 36 39 500 Hours or Annually 1 Gauge Wheel Hub Bearings if equipped A two fittings UP...

Page 44: ...body away from pinholes and nozzles which eject fluids under high pressure Use a piece of cardboard or paper to search for leaks IF ANY fluid is injected into the skin it must be surgically removed wi...

Page 45: ...Form 147083 Issue 01 07 43 MAINTENANCE SERVICE HYDRAULIC SYSTEM continued REEL CONVEYOR DRIVES ON COMBINE WITH 873 ADAPTER...

Page 46: ...01 07 44 MAINTENANCE SERVICE HYDRAULIC SYSTEM continued SELECTOR VALVE HYDRUALIC SCHEMATIC ALL COMBINES MODELS EXCEPT CASE AFX NEW HOLLAND CR CX SELECTOR VALVE HYDRUALIC SCHEMATIC CASE AFX NEW HOLLAND...

Page 47: ...l or water Sickle Sections Check daily that sections are firmly bolted to the sickle back and are not worn or broken Replace as required To replace sickle section 1 Grasp the sickle drive belt and tur...

Page 48: ...hain around sickle head and pull sickle out NOTE For single drive sickles with splice plate remove bolts from splice plate and pull sickle out from both ends Sickle Head Needle Bearing Installation Us...

Page 49: ...while replacing sickle See Guards and Sickle Hold Downs in this section 1 Slide sickle into place and replace bolt A NOTE When installing sickle head pin E bottom out the pin in sickle head then hamme...

Page 50: ...ways engage reel props before working under reel Check daily that guards are aligned to obtain proper shear cut between sickle section and guard Sickle sections should contact shear surface of each gu...

Page 51: ...de without binding Set hold downs after guards are aligned To adjust hold downs 1 Using a feeler gauge between hold down and sickle section turn bolt A to obtain 0 010 to 0 015 inch 0 25 to 0 38 mm cl...

Page 52: ...and bottom hole or groove in dipstick 3 Add as required Change wobble box lubricant after first 50 hours operation and every 1000 hours or 3 years thereafter To drain wobble box raise header fully an...

Page 53: ...osen adjusting device sufficiently to allow easy installation To adjust 1 Loosen nut A 2 Turn nut B to move idler pulley up or down depending on drive configuration to tighten belt until a force of 18...

Page 54: ...is partially hidden behind the roller support arm at A IMPORTANT To avoid premature failure of draper draper rollers and or tightener components do not operate with tension set so that white bar is f...

Page 55: ...covered by wide crop deflectors The decks are factory assembled in the mid range opening position with hardware at C To change idler roller bars to wide or narrow position 1 Loosen draper completely...

Page 56: ...fore loosening hardware scribe a mark on the rear arm and the backsheet to measure the amount the roller moves If the draper is tracking back towards backsheet at the end of the deck with the fixed ro...

Page 57: ...nd bolt C IMPORTANT Install seal F with flat face with writing out and install bearing G with shielded side out 9 Remove grease fitting K and press on end of stub shaft to install bearing sub assembly...

Page 58: ...d back off nut A 3 Turn nut B clockwise to increase clearance to cutterbar or counter clockwise to decrease 4 Tighten nut A against nut B to secure the position 5 Repeat at opposite side Reel Frown Ad...

Page 59: ...dware may cause finger to break To avoid shearing off the pins do not flex finger back and forth after the pins are engaged 2 Insert nut into recessed pocket A in finger Install screw and tighten to 2...

Page 60: ...reel is critical Check the horizontal position of the reel in the header with cutterbar in full smile position Lower cutterbar onto two 6 150 mm blocks placed at each divider Reel Drive Chain Tension...

Page 61: ...to seat the bead on the rim Replace the tire if it has a defect Replace a wheel rim which has cracks wear or severe rust Never weld a wheel rim Make sure all the air is removed from a tire before rem...

Page 62: ...RS OR DAILY 1 Grease driveline 2 Check hydraulic hoses lines and components for leaks 3 Oil sickle except in sandy conditions 4 Check sickle sections guards and hold downs 5 Check gauge wheel tire pre...

Page 63: ...e Assembly 9 Hydraulic Hoses and Lines 9 Tire Pressure O 25 HOURS 6 Sickle Head 50 HOURS 6 P U Reel Support 30 36 100 HOURS OR ANNUALLY 6 Draper Roller Bearings 6 Stripper Roller Bearings O 6 Stripper...

Page 64: ...speed 21 Crop too ripe Operate at night when humidity is higher Cut grain falling ahead of cutterbar Ground speed too slow Increase ground speed 21 Reel speed too slow Increase reel speed 29 Reel too...

Page 65: ...ivider runs down thick crop at ends preventing proper feeding Replace 3 or 4 end guards with stub guards CUTTING ACTION SICKLE COMPONENTS Ragged or uneven cutting of crop Sickle hold downs not adjuste...

Page 66: ...per sickle hold down adjustment Adjust hold down so sickle is held against guard cutting surface 48 Dull or broken sickle sections Replace 44 Bent or broken guards Align or replace 47 Reel fingers not...

Page 67: ...Raise cutterbar using skid shoes 19 Header float is set too heavy Adjust float springs for lighter float 22 Bent or broken guard Straighten or replace 47 Header angle too steep Flatten header angle 2...

Page 68: ...heavy crop Reel speed too fast Reduce reel speed 29 Reel fingers not aggressive enough Move to a more aggressive finger pitch notch 31 Reel too low Raise reel 29 Relief valve on combine not on combin...

Page 69: ...trol valve Adjust relief setting Draper stalling Material not feeding evenly off sickle Lower reel Install stub guards 29 Draper backfeeds or plugs Material not feeding onto adapter draper Narrow deli...

Page 70: ...g dirt at combine adapter lower beam Adapter down stop in upper holes Move down stop to lowest hole Adapter float too light header legs do not rest on stops Adjust to heavier float Wings will not frow...

Page 71: ...readjust reel fore and aft if necessary readjust reel clearance with cylinders fully retracted Reel too far back on reel support arms Move reel forward until the fingertips skim the soil surface with...

Page 72: ...d raises cutterbar off the ground Install plastic wear strips on bottom of cutterbar and skid shoes Dirt still packing on bottom of cutterbar with poly wear strips on cutterbar and raises cutterbar of...

Page 73: ...ar Check reel finger clearance to ground Reel too far forward of cutterbar C section Crop accumulating at guards and not moving rearward onto drapers Reel finger pitch not aggressive enough Make finge...

Page 74: ...out manually having to clean drapers Shifting of decks with header raised up does not clean out cutterbar debris Dirt and trash is too wet to slide out of cutterbar cavity on its own Manually remove d...

Page 75: ...ed for cutting on the ground HYDRAULIC TOP CENTER LINK WholeGoods order number Headers with hydraulic reel fore aft Case 2300 Series Combines C1837 NH CR CX CNH AFX B4399 Lexion C1839 John Deere C1840...

Page 76: ...lable for the 30 36 39 973 Headers and 30 36 974 Flexdraper Header Gauge wheels improve end to end float allowing larger headers to better follow ground contours Installation instructions are included...

Page 77: ...ptional high speed reel drive sprocket 17 teeth is recommended for combines with lower reel drive flow in order to bring up ground speed Two pitches of chain need to be added when converting from high...

Page 78: ...is desired to position sickle guards above the cutterbar Kit includes sickle head and drive arm plus deflector plates and hardware Installation instructions are included with the kit WINDROWER HEADER...

Page 79: ...ler storage stands UNLOADING EQUIPMENT CAUTION Unloading equipment must meet or exceed specified requirements Using inadequate equipment may result in vehicle tipping chain breakage or machine damage...

Page 80: ...copy of the bill of lading Once the bill of lading is signed dealer is liable for any damage or shortage not noted 1 Approach header from either its topside or underside Drive forward as far as possib...

Page 81: ...n 1 2 in with minimum 5000 lb 2270 kg working load limit 2 Back up slowly while lowering forks until header tips onto forks CAUTION Stand clear when lowering as machine may swing 3 Place 6 inch 150 mm...

Page 82: ...slowly to raise reel Engage reel props and lower forks until reel rests on props Back the forklift away 4 Cut shipping wire securing reel lift cylinders Attach rod end of reel lift cylinder to header...

Page 83: ...Back the forklift away 7 Remove the bolts securing left and right end shipping supports to header frame Discard straps and re install hardware Hardware at F is installed reversed for ease of access w...

Page 84: ...re for the disassembled cam arms is taped to the reel NOTE Nut D may need to be loosened in order to install reel cam arm hardware END DELIVERY For headers being set up for end delivery install bar C...

Page 85: ...Maintenance Service section of Operator s Manual CENTER DELIVERY OPENING WIDTH between rollers HEADER AND COMBINE MODELS CONNECTION both drapers With decks shifted out W With decks shifted in Y LEG TO...

Page 86: ...elivery Opening Width in Operation section of Operator s Manual 8 Align idler rollers for proper draper tracking Align roller by loosening two bolts in rear support C and adjusting in slots until dime...

Page 87: ...ic pressure Do not loosen screw too quickly or too far 2 SLOWLY loosen bleed screw A at top of slave reel lift cylinder NOTE For 21 30 36 39 headers slave cylinder is at right end of header For 25 Hea...

Page 88: ...wobble box to position breather in rear hole ADJUSTMENTS AND CHECKS Perform the final checks and adjustments as listed on the Pre Delivery Checklist yellow insert to ensure the machine is field ready...

Page 89: ...the notch Lower cutterbar onto two 6 150 mm blocks at dividers until inner pins snap into engaged position Remove blocks and place them just inboard of cutterbar flex points Lower header onto blocks u...

Page 90: ...engage pins in left wing float lock Float for right wing remains locked To increase force on divider making it harder to pull up adjust nuts P to move top link pin M up To decrease force on divider ma...

Page 91: ...rbar and the flex linkage is moving freely e Raise header 12 300 mm and remove blocks f Lower header until wings float up to straight position and center section of cutterbar touches ground Observe an...

Page 92: ...m with notch D This setting should require about 30 pounds 135 N to raise right or left divider Unlock wing float prior to operation b For cutting off the ground Lock wing float Set header 6 150 mm ab...

Page 93: ...auge Wheels Attachment 18 74 Gauge Wheel Maintenance 59 Greasing the Header 38 Ground Speed 21 Guards Sickle 48 H PAGE Header Angle 25 Header Angle Hydraulic Cylinder Attach 73 Header Controls 17 Head...

Page 94: ...ad Needle Bearing Installation 46 Sickle Lubrication 45 Sickle Removal and Installation 46 47 Sickle Sections 45 Sickle Storage Spare 48 Skid Shoes 19 73 Specifications Header Attachments 10 Specifica...

Page 95: ...se all bearings and drive lines P 38 Reposition wobble box breather to rear hole unless transported upright on trailer P 86 Check wobble box lube level P 50 Bleed reel lift cylinder P 85 Check skid sh...

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