Steiner MD448 Operator Manual & Illustrated Parts List Download

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BOB-CAT BROUWER BUNTON CUSHMAN RYAN STEINER

Equipment from Jacobsen, a Textron company,
is built to exacting standards ensured by
ISO 9001 and ISO 14001 registration at all our
manufacturing locations.

A worldwide dealer network and factory-trained
technicians backed by Textron Parts Xpress
provide reliable, high-quality product support.

Summary of Contents for MD448

Page 1: ...ould be trained in its proper use warned of its dangers and should read the entire manual before attempting to set up operate adjust or service the machine OWNER OPERATOR SMANUAL ILLUSTRATED PARTS LIST 09 254B REV D MODELS 75 70855 MOWER DECK 48 MD448 75 70860 MOWER DECK 60 MD460 75 70865 MOWER DECK 72 MD472 ...

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: ...parts because they are manufactured with the same high precision and quality as the original parts Jacobsen designs and builds its equipment to serve many years in a safe and productive manner For longest life use this product only as directed in the manual keep it in good repair and follow safety warnings and instructions You ll always be glad you did Jacobsen a Textron Company One Bob Cat Lane J...

Page 4: ...lippings while the full floating deck follows the contours of the terrain for an even cut with cutting height controlled by the front caster wheels and full width rear roller The deck can be safely serviced and cleaned while still attached to the tractor Convenient handles enable the deck to be lifted vertically over 90 degrees so the blades are fully exposed Exceptional visibility and maneuvering...

Page 5: ...70860 75 70865 Overall Width with Chute 60 1 2 73 85 Overall height 19 19 19 Overall length 49 1 2 48 3 4 55 Cutting Width 47 59 3 8 72 Cutting Height 1 to 4 1 2 1 to 4 1 2 1 to 4 Blades 3 16 1 4 blades 3 20 1 2 blades 3 24 3 4 blades Weight 330 lbs 360 lbs 470 lbs ...

Page 6: ...uld personal injury and or property damage result This symbol means ATTENTION BECOME ALERT Your safety and the safety of others is involved Signal word definitions The signal words below are used to identify levels of hazard seriousness These words appear in this manual and on the safety labels attached to Jacobsen machines For your safety and the safety of others read and follow the information g...

Page 7: ...rking brake STOP the engine and remove the key 5 Do not allow minors or the inexperienced to operate this machine 6 Keep people and pets a safe distance away from machine using power driven attachments Injury could result from flying debris 7 Do not attempt to work on unit or any attachments with engine running 8 Wear all the necessary protective clothing and personal safety devices to protect you...

Page 8: ...ff blades when not mowing Stop engine before unclogging discharge chute Mow only in good light keeping away from holes and hidden hazards Do not operate the machine while under the influence of alcohol or drugs Watch for traffic when operating near or crossing roadways Use extra care when loading or unloading the machine into a trailer or truck Always wear safety goggles or safety glasses with sid...

Page 9: ...trees or other objects that may obscure vision IV SERVICE Use extra care in handling gasoline and other fuels They are flammable and the vapors are explosive Use only an approved container Never remove gas cap or add fuel with engine running Allow engine to cool before refueling Do not smoke Never add or drain fuel with machine indoors Never store the machine or fuel container inside where there i...

Page 10: ...8 ROTARY MOWER DECALS Location On mower deck front center Location On mower deck and discharge chute ...

Page 11: ...9 ROTARY MOWER DECALS Location On mower deck top front center and both sides Location On mower deck top shield ...

Page 12: ...hain and idler arm as shown on Page 16 Serial Numbers 75 70855 1001 1493 75 70860 1001 4727 75 70865 1001 1969 Choose a chain link that stretches spring to an overall length of 8 9 inches Serial Numbers 75 70855 1494 Up 75 70860 4728 Up 75 70865 1970 Up Choose a chain link that stretches spring approximately 1 on 75 70860 or 1 1 2 on 75 70855 75 70865 5 Check bolts mounting spindles to the deck To...

Page 13: ... only REAR WEIGHT REQUIREMENTS The table of requirements for rear weights is based upon average mowing conditions and operator s weight of 150 lbs The recommendations may vary with the weight of the operator other accessories and the mowing conditions It is the operator s responsibility to determine the correct amount of weight needed to improve stability All weights must be removed when the mower...

Page 14: ...mower deck off the ground and shut off tractor engine Remove clevis pin at location A from height adjustment link Raise or lower deck to desired height Replace clevis pin into height adjustment link Observe all safety decals Keep all shields in place Do not operate mower with discharge chute removed Do not operate mower with other persons in the area Irregularities in ground surface can permit for...

Page 15: ...le housing you can hear the sound of escaping air at the relief hole Stop greasing when the sound of escaping air ceases Check drive belt tension See Drive Belt Installation on Page 16 Check 1 4 cap screws on pulley bushings Torque should be 95 inch pounds Tighten these cap screws in alternating sequence 10 12 times to assure equal torque on all cap screws Check blade bolts Torque should be 75 85 ...

Page 16: ...ent blades by rotating blades until tips are near each other It is easier to do this with main drive belt idler spring unhooked Leveling mower deck The front to rear leveling adjustment is provided by two slots in the linkage which supports the front of the deck This allows each side to be adjusted independently Check the blade level with mower resting on a level floor and the cutting height set a...

Page 17: ...r disassembly is necessary Serial Numbers 75 70855 1494 Up 75 70860 4728 Up 75 70865 1970 Up Remove the six 1 4 X 3 4 bolts from the flip up braces and remove the pivot stop pin and the idler spring Remove the braces With the idler spring released move the idler toward the drive shaft Slip belt off the outer spindle pulleys Slip belt off the front center idler and spindle Remove belt SERVICE ...

Page 18: ...ll hitch arms and bushings in place Serial Numbers 75 70855 1494 Up 75 70860 4728 Up 75 70865 1970 Up Re install hitch arms and pivot braces Torque 1 2 attaching bolts to 85 ft lbs Photos 2 3 Hook idler spring in place Serial Numbers 75 70855 1001 1493 75 70860 1001 4727 75 70865 1001 1969 Choose chain link that stretches spring to an overall length of 8 9 inches Serial Numbers 75 70855 1494 Up 75...

Page 19: ...d This gives stability when working on the deck 9 Complete your work under the deck 10 Start the tractor and lift the deck again Shut off the tractor 11 Grasp the handles at the front of the deck Push the deck back slightly and release the catch 12 Pull the deck forward and down keeping a firm grip on the handles 13 Lower the deck to the ground 14 Replace the pin and clip in the hole above the lif...

Page 20: ...18 ROTARY MOWER DECK PARTS 48 FIGURE 1 ...

Page 21: ...DECK MOWER 1 SN 1001 1433 62 844 DECK MOWER 1 SN 1434 1 25 60 534 CHUTE SIDE DISCHARGE 1 1 26 87 143 SPINDLE 3 1 27 79 062 BLADE 16 1 4 700 AIR LIFT 3 79 064 BLADE 16 1 4 1 3 8 AIR LIFT3 OPTIONAL 1 28 99 B14 WASHER 1 4 X 1 2 ID X 3 OD 3 1 29 91 0810 BOLT 1 2 X 1 1 4 NF 3 1 30 64123 50 BOLT HEX 3 8 16X1 1 1 31 64 799 WASHER 13 32 X 1 9 32 1 1 32 99 K38 BOLT 1 4 X 1 1 4 BH 2 SN 1010 1 33 64163 03 WS...

Page 22: ...20 ROTARY MOWER FIGURE 2 DECK PARTS 60 ...

Page 23: ...1195 5456 40 329 7 IDLER ARM 1 SN 5457 2 21 64141 4 NUT WLF 3 8 16 18 2 22 64139 18 BLT WLF 3 8 16X1 1 4 12 2 23 64139 21 BLT WLF 3 8 16X3 4 5 2 24 62 694 DECK MAIN 1 SN 1001 1194 62 727 DECK MAIN 1 SN 1195 4188 62 834 17 DECK MAIN 1 SN 4189 2 25 62 696 17 CHUTE SIDE DISCHARGE 1 2 26 87 143 SPINDLE MOWER 3 2 27 79 050 BLADE 20 1 2 700 AIR LIFT 3 79 053 BLADE 20 1 2 1 3 8 AIR LIFT3 2 28 99 B14 WASH...

Page 24: ...22 ROTARY MOWER FIGURE 3 DECK PARTS 72 ...

Page 25: ... 87 BOLT HEX 3 8 16X1 3 4 1 3 20 40 292 IDLER ARM 1 SN 1001 2301 40 329 IDLER ARM 1 SN 2302 3 21 64139 02 BLT WLF 1 4 20X1 2 4 SN 1838 3 22 64139 18 BLT WLF 3 8 16X1 1 4 12 3 23 64139 21 BLT WLF 3 8 16X3 4 7 3 24 62 730 17 DECK MOWER 1 SN 1001 1837 62 841 17 DECK MOWER 1 SN 1838 3 25 60 54117 CHUTE SIDE DISCHARGE 1 3 26 87 143 SPINDLE 3 3 27 79 068 BLADE 24 3 4 700 AIR LIFT 3 79 069 BLADE 24 3 4 1...

Page 26: ...24 ROTARY MOWER FRAME PARTS 48 FIGURE 4 ...

Page 27: ...15 64163 16 WASHER 41 64X1 3 8X12GA12 4 16 50 062 AXLE TUBE CASTER WHL 2 4 17 64139 21 BLT WLF 3 8 16X3 4 1 4 18 42 440 7 LINK RIGHT LIFT 1 4 19 64123 16 BLT HEX 3 8 16X1 1 4 3 4 20 64229 05 LOCKNUT 1 2 13 NYLON 3 4 21 42 445 7 LINK LEFT FRONT 1 4 22 42 443 7 LINK HEIGHT ADJUSTMENT 1 4 23 64123 117 BOLT HEX 1 2 13X1 1 2 1 4 24 90 0832 BOLT 1 2 13 X 4 2 4 25 64163 67 WASHER 516X1X12GA 2 4 26 42 442...

Page 28: ...26 ROTARY MOWER FIGURE 5 FRAME PARTS 60 ...

Page 29: ... 444 7 LINK RIGHT 1 SN 1195 5 19 64123 16 BLT HEX 3 8 16X1 1 4 3 5 20 64229 05 LOCKNUT 1 2 13 NYLON 3 5 21 42 427 LINK LEFT FRONT 1 SN 1001 1194 42 445 7 LINK LEFT FRONT 1 SN 1195 5 22 42 430 LINK HEIGHT ADJUST 1 SN 1001 1194 42 447 7 LINK HEIGHT ADJUST 1 SN 1195 5 23 64123 117 BOLT HEX 1 2 13X1 1 2 1 5 24 90 0832 BOLT 1 2 X 4 2 5 25 64163 67 WASHER 516X1X12GA 2 5 26 42 429 LINK MID LEFT 1 SN 1001...

Page 30: ...28 ROTARY MOWER FIGURE 6 FRAME PARTS 72 ...

Page 31: ...A12 6 16 50 062 AXLE TUBE CASTER WHL 2 6 17 64 799 WASHER 13 32 X 1 9 32 18 6 18 42 444 7 LINK MIDDLE RIGHT 1 6 19 64123 87 BOLT HEX 3 8 16X1 3 4 1 6 20 64229 05 LOCKNUT 1 2 13 NYLON 3 6 21 42 449 7 LINK HEIGHT ADJT FRT LFT 1 6 22 42 452 7 LINK HEIGHT SELECTOR 1 6 23 64123 117 BOLT HEX 1 2 13X1 1 2 1 6 24 90 0832 BOLT 1 2 X 4 2 6 25 64163 67 WASHER 516X1X12GA 2 6 26 42 451 7 LINK MID LIFT 1 6 27 6...

Page 32: ...30 ROTARY MOWER HITCH DRIVE PARTS FIGURE 7 ...

Page 33: ...ARM LFT 2 USED ON 60 SN 4728 64 669 7 ANCHOR LFT ARM LFT 2 USED ON 72 SN 1001 1969 64 939 7 ANCHOR LFT ARM LFT 2 USED ON 72 SN 1970 7 10 85 SC08 SET COLLAR 1 2 2 7 11 62 698 7 HITCH ARM RIGHT 1 62 858 7 HITCH ARM RIGHT 1 7 12 64139 24 BLT WLF 3 8 16 X 1 4 7 13 80 237 SHAFT MOWER DRIVE 1 7 14 55 FB23012 BRG 2 BOLT FLANGE 3 4 2 7 15 62 699 7 HITCH ARM LEFT 1 62 857 7 HITCH ARM LEFT 1 7 16 64141 6 NU...

Page 34: ...32 ROTARY MOWER SPINDLE PARTS FIGURE 8 ...

Page 35: ...URE 8 8 1 87 235 SHAFT SPINDLE 1 8 2 87 209843 SEAL 2 8 3 87 244643 BEARING CONE 2 8 4 87 244610 BEARING CUP 2 8 5 87 240001 5 CASTING W O BRTHR HLE 1 87 240001 6 CASTING W BRTHR HLE 1 8 6 87 240101 01 BLADE ADAPTER W CUP 1 8 7 87 203293 RETAINING RING 2 8 8 87 203815 BOLT 3 8 X 1 1 2 SHCS 4 ...

Page 36: ...34 ROTARY MOWER FLIP UP DECKS FIGURE 9 ...

Page 37: ...1 USED ON 72 ONLY 9 17 64163 61 WSHR 81X 406X16GA 3 USED ON 72 ONLY 9 18 64 967 7 FLIP UP LATCH 1 9 19 41 013 SPRING EXT 0 50 X 1 938 1 9 20 64 965 7 FRONT LIFT ARM STOP 1 9 21 64229 03 LOCKNUT NYLON 3 8 16 1 9 22 64139 04 BOLT WLF 1 4 20X3 4 8 9 23 64 968 7 FLIP UP DECK BRACE LFT 1 USED ON 60 72 ONLY 64 970 7 FLIP UP DECK BRACE LFT 1 USED ON 48 ONLY 9 24 64 969 7 FLIP UP DECK BRACE RT 1 USED ON 6...

Page 38: ...n a Textron company is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all our manufacturing locations A worldwide dealer network and factory trained technicians backed by Textron Parts Xpress provide reliable high quality product support ...

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