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Textron Jacobsen 744908A, Technical Manual

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29

ITEM

PART NO.

DESCRIPTION

QTY

ITEM

PART NO.

DESCRIPTION

QTY

Lawnaire

 IV & V

FIGURE 7

DECAL GROUP-LAWNAIRE IV

4124517-07

7-1

2703117

DECAL, OP INSTR LA IV & V 1

7-2

4109022

DECAL, CAUT LOCK HNDLE1

7-3

4124278

LABEL-DRIVE COVER LAIV 1

7-4

4115768

DECAL, HAND THROTTLE 1

7-5

4124280

LABEL-TINE COVER JAC

1

7-6

521787

DECAL,WARNING

1

7-7

835892

DECAL,DANGER HNDS&FT 2

7-8

840697

DECAL,WARNING BELT

1

7-9

4124277

LABEL-JACOBSEN

1

Summary of Contents for Jacobsen 744908A

Page 1: ...warned of its dangers and should read the entire manual before attempting to set up operate adjust or service the machine TECHNICALMANUAL Safety Operation Parts Maintenance Service 4124517 REV A Models 744908A LAWNAIRE IV 4HP HONDA 744909A LAWNAIRE IV 3 5HP BRIGGS STRATTON 744910A LAWNAIRE V 4HP HONDA 744911A LAWNAIRE V 3 5HP BRIGGS STRATTON ...

Page 2: ...e of California to cause cancer birth defects or other reproductive harm California Advertencia de la Proposicion 65 El estado de California hace saber que los gases de escape de los motores diesel y algunos de sus componentes producen cáncer defectos de nacimiento y otros daños en el proceso de reproducción humana L émission du moteur de ce matériel contient des produits chimiques que l Etat de C...

Page 3: ...operate this machine are as well informed and careful in its use as you are See a Jacobsen dealer for any service or parts needed Jacobsen service ensures that you continue to receive the best results possible from Jacobsen s products You can trust Jacobsen replacement parts because they are manufactured with the same high precision and quality as the original parts Jacobsen designs and builds its...

Page 4: ...ories or products not approved by Textron Golf Turf Specialty Products will be considered the responsibility of the individual s or company designing and or making such changes TextronGolf Turf SpecialtyProductswillvigorously pursue full indemnification and costs from any party responsibleforsuchunauthorizedpost manufacture modifications and or accessories should personal injury and or property da...

Page 5: ...gwirebeforeperforminganyserviceormaintenance on the unit Engine Oil Level This decal is located on the main frame in front of the engine It tells the operator to have the engine level prior to checking the oil level Danger Hands And Feet This decal is located on the main frame and informs the operator of areas which are capable of serious injury The symbol shows fingers being cut or severed DO NOT...

Page 6: ...unit off the shipping pallet 1 Cut the banding securing the aerator to the pallet Banding is under tension and may snap back when cut Wear eye protection and stay clear when cutting the band 2 Unfold handle by pulling on the transport lift handle A FOR LAWNAIRE V MODELS 1 Bolt the handle B in place as shown 2 Pull up on the transport lift handle C to raise the aerator to the transport position 3 C...

Page 7: ...le in place See instructions in the preceding section for Lawnaire V Models CHECKING THE CLUTCH CABLE The clutch cable is adjusted prior to shipping however it should be checked before the unit is put into service 1 Pull the clutch control handle D back and down and make sure the idler engages the belt 2 Release the clutch control handle D and make sure the belt disengages completely 3 If adjustme...

Page 8: ...up through cable clamp until fully advanced 5 Tighten the casing clamp screw M INITIAL BELT SEATING AND ADJUSTMENT Proper tensioning of V belts is the single most important factor necesssary for long satisfactory operation Too little tension will result in slippage causing rapid belt and pulley wear Too much tension can result in excessive stress on belts bearings shafts reduced efficiency and ope...

Page 9: ...he turf Clutch Control Handle Bail B Engages the belt tightener clutch Pulling back on the handle engages the clutch releasing the handle disengages the clutch Releasing the clutch on an incline will cause freewheeling which will allow the unit to roll down the incline Throttle Control C The throttle control located on the handle adjusts the engine speed Pushing the control forward increases the s...

Page 10: ...stop the engine Using the choke control will help start a cold engine After the engine starts adjust the choke for best running results Once the engine warms up the choke should not be needed Honda Engine Controls The engine is equipped with a choke A a fuel valve B and an On Off switch C The fuel valve and the On Off switch must both be in the ON position to start the engine Turn the On Off switc...

Page 11: ...or sparks when refueling BE SURE to install fuel cap after refueling NEVER start or run the engine inside where exhaust fumes can collect Carbon monoxide present in the exhaust is an odorless and deadly gas DO NOT operate equipment without shields in place DO NOT make adjustments or perform any maintenance while the engine is running Before operating check the area and remove any object which may ...

Page 12: ...e aerator to the work area NOTE Never cross hard objects or surfaces such as sidewalks driveways stepping stones etc with tines in the down position 4 Upon reaching the work area release the clutch control handle and adjust the throttle speed for aerating 5 Push down on the transport lift handle lowering the aerating tines to the turf 6 Pull back slowly on the clutch control handle to start aerati...

Page 13: ...duction case oil levels with the engine resting in a level position 3 Inspect the air filter element and replace it if necessary 4 Lubricate the clutch pivot G prior to each aerating season or as needed 5 Keep the drive belt free of oil and dirt and replace if worn or damaged 6 Keep the roller chain clean and in proper running order Lubricate using Lubriplate 13563 available as Part No 523248 7 Ch...

Page 14: ... oil corresponding to the season the equipment will next be used 4 Remove the spark plug and squirt a small amount of engine oil into the cylinder Turn the engine over a few times to distribute the oil 5 Drain the water drum NOTE Always drain the water drum for winter storage Freezing water can rupture the drum 6 Lubricate the clutch pivot fitting To put the equipment into service after an extende...

Page 15: ...roximately 22 lbs NOTE Be sure to close the fuel shut off valve before transporting the unit REMOVABLE TRANSPORT WHEELS The rear wheels of the Lawnaire V are removable for transporting the aerator through fence gates With the wheels removed the Lawnaire V will pass through a 32 inch opening With the engine off lower the aerator so that the tines are on the ground and the wheels are off the ground ...

Page 16: ...ion Depth 2 3 4 70 mm max Swath Width 19 483 mm Hole Pattern 3 3 4 x 7 95 x 178 mm on center Production Up to 28 975 sq ft hour LAWNAIRE V Dimensions Width 35 5 902 mm Length 52 5 1334 mm Length handle folded 46 1168 mm Height transport 47 5 1206 mm Net Weight Dry w o acc weight 228 lbs 103 Kg Dry w acc weight 266 lbs 122 Kg With water tank full and acc weight 330 lbs 1497 Kg Speed Transport up to...

Page 17: ...15 Lawnaire IV V PARTS SECTION PARTS SECTION ...

Page 18: ...16 Lawnaire IV V FIGURE 1 FRAME GROUP ...

Page 19: ...K AY UPPER RIGHT 1 1 12 64164 19 KEY WOODRUFF 19X 75 9 2 1 13 64163 67 WASHER 516X1X12GA 2 1 14 521609 PULLEY DRIVEN 10 1 1 15 521679 BUSHING 2 1 16 521856 BEARING BALL 2 1 17 521857 COLLAR BRG LOCKING 2 1 18 548201 SETSCREW 5 16 18 X 5 16 2 1 19 548225 FTG GREASE 45D 25 28 1 1 20 64141 4 NUT WLF 3 8 16 5 1 21 548905 SCREW 38 16 1 00 4 1 22 64141 6 NUT 5 16 18 6 1 23 548942 PULLEY PLAIN IDLER 3 25...

Page 20: ...18 Lawnaire IV V FIGURE 2 MAIN GROUP LAWNAIRE IV ...

Page 21: ...6 SPRING EXT 687 X 6 0 2 2 18 4113972 7 COVER CHAIN LAWNAIRE 1 2 19 4114101 ROD ADJUSTMENT 2 2 20 4114111 SPRING TORSION 1 19 2 2 21 4114319 BELT 4L 480 KEVLAR 1 2 22 4114608 BUSHING SH 390 ID X 71 2 2 23 4115632 KNOB 2 5 38 24 2 2 24 521608 PULLEY 4 IN DIA 1 2 25 522516 MOUNT ISOLATION KC 4 2 26 4118356 SPRING EXTENSION 1 2 27 823225 PIN CLVIS 19DIA X 1 0LG 2 2 28 64164 11 KEY 3 16X3 16X1 1 4 SQ ...

Page 22: ...20 Lawnaire IV V FIGURE 3 MAIN GROUP LAWNAIRE V ...

Page 23: ...109880 7 LATCH WEIGHT 2 3 17 4113746 SPRING EXT 687 X 6 0 2 3 18 4113972 7 COVER CHAIN LAWNAIRE 1 3 19 4114111 SPRING TORSION 1 19 2 3 20 4114319 BELT 4L 480 KEVLAR 1 3 21 4114608 BUSHING SH 390 ID X 71 2 3 22 521608 PULLEY 4 IN DIA 1 3 23 522516 MOUNT ISOLATION KC 6 3 24 4118356 SPRING EXTENSION 1 3 25 64268 03 NUT FL NYLN LOCK 3 8 16 6 3 26 64144 02 SNAP RING 3 4 2 3 27 64164 11 KEY 3 16X3 16X1 ...

Page 24: ...22 Lawnaire IV V FIGURE 4 HANDLE GROUP ...

Page 25: ...10 521679 BUSHING 2 4 11 523139 GRIP HANDLE 2 4 12 524643 BEARING SPLIT 4 4 13 548477 WASHER 2 4 14 548905 SCREW 38 16 1 00 2 4 15 800073 CBOLT 38 16 1 25 2 4 16 64018 9 BLT CRG 5 16 18X3 4 G5 2 4 17 64268 02 NUT FL NYLN LCK 5 16 18 6 4 18 64268 03 NUT FL NYLN LCK 3 8 16 4 4 19 64262 007 BLT FLG HD 5 16 18 X 1 2 4 20 819195 TSCRW 8 18 50 SLF DRL 2 4 21 822474 SPACER 2 4 22 830165 BUSHING 2 4 23 64...

Page 26: ...24 Lawnaire IV V FIGURE 5 TINE WHEEL GROUP ...

Page 27: ... 5 4 2701410 TINE CORING 3 4 QTY 30 USED ON LAWNAIRE IV QTY 42 USED ON LAWNAIRE V 5 5 545786 BEARING ASSEMBLY 2 5 6 64139 08 BOLT 5 16 18X3 4 WLF 3 5 7 64141 6 NUT 5 16 18 7 5 8 800290 NUT 31 18 YS HX CLCK QTY 60 USED ON LAWNAIRE IV QTY 84 USED ON LAWNAIRE V 5 9 64018 9 BLT CRG 5 16 18X3 4 G5 4 5 10 800606 CBOLT 31 18 1 50 YS G5 QTY 60 USED ON LAWNAIRE IV QTY 84 USED ON LAWNAIRE V 5 11 2703004 7 T...

Page 28: ...26 Lawnaire IV V FIGURE 6 DRUM GROUP ...

Page 29: ...EARING 2 04 I D 4 6 5 2703783 DRUM WATER LA4 1 ITEM 5 USED ON LAWNAIRE V ONLY 6 6 522480 GASKET 4 50 DIA 1 6 7 522481 GASKET 3 00 DIA 1 6 8 545786 BEARING ASSEMBLY 2 6 9 545887 RING AY SPLIT BLK 2 6 10 64139 08 BOLT 5 16 18X3 4 WLF 3 6 11 64141 6 NUT 5 16 18 7 6 12 64018 9 BLT CRG 5 16 18X3 4 G5 4 6 13 821274 PLUG DRAIN 1 6 14 306932 NUT 31 18 YS HX 12 6 15 2703108 7 DRIVE AY LA5 DRUM 1 6 16 27037...

Page 30: ...28 Lawnaire IV V FIGURE 7 DECAL GROUP LAWNAIRE IV ...

Page 31: ...4124517 07 7 1 2703117 DECAL OP INSTR LA IV V 1 7 2 4109022 DECAL CAUT LOCK HNDLE1 7 3 4124278 LABEL DRIVE COVER LAIV 1 7 4 4115768 DECAL HAND THROTTLE 1 7 5 4124280 LABEL TINE COVER JAC 1 7 6 521787 DECAL WARNING 1 7 7 835892 DECAL DANGER HNDS FT 2 7 8 840697 DECAL WARNING BELT 1 7 9 4124277 LABEL JACOBSEN 1 ...

Page 32: ...30 Lawnaire IV V FIGURE 8 DECAL GROUP LAWNAIRE V ...

Page 33: ...GROUP LAWNAIRE V 4124517 08 8 1 2703117 DECAL OP INSTR LA IV V 1 8 2 4124279 LABEL DRIVE COVER LAV 1 8 3 4115768 DECAL HAND THROTTLE 1 8 4 4124280 LABEL TINE COVER JAC 1 8 5 521787 DECAL WARNING 1 8 6 835892 DECAL DANGER HNDS FT 2 8 7 840697 DECAL WARNING BELT 1 8 8 4124277 LABEL JACOBSEN 1 ...

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