Table of Contents
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OWNER/OPERATOR'S MANUAL
& ILLUSTRATED PARTS LIST
MODELS:
75-70855
MOWER DECK-48" MD448
75-70860
MOWER DECK-60" MD460
75-70865
MOWER DECK-72" MD472
WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should 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.
09-254B REV D
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Table of Contents
Related Manuals for Steiner MD448
Summary of Contents for Steiner MD448
- Page 1 OWNER/OPERATOR’S MANUAL & ILLUSTRATED PARTS LIST MODELS: 75-70855 MOWER DECK-48” MD448 75-70860 MOWER DECK-60" MD460 75-70865 MOWER DECK-72" MD472 WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine should 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.
- Page 2 CALIFORNIA WARNING Proposition 65 Warning The engine exhaust from this product Diesel engine exhaust and some of contains chemicals known to the State its constituents are known to the State of California to cause cancer, birth of California to cause cancer, birth defects or other reproductive harm.
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Page 3: Table Of Contents
ROTARY MOWER IMPORTANT MESSAGE Thank you for purchasing this Jacobsen product. You have purchased a world class product, one of the best designed and built anywhere. This product comes with an Owner/Operator's Manual. The useful life and good service you receive from this product depends to a large extent on how well you read and understand this manual. -
Page 4: Introduction
MOWER DESCRIPTION A full-floating rotary mower deck is designed to fit all Steiner power units with the quick hitch front lift. Three sizes match the power unit to the application. These decks are easy to attach and detach allowing interchange with the many other front mounted attachments. The side discharge rotary mower provides even distribution of clippings 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. -
Page 5: Specifications
SPECIFICATIONS ROTARY MOWER SPECIFICATIONS Model 75-70855 75-70860 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: ...... -
Page 6: Safety
SAFETY ROTARY MOWER This symbol means: NOTICE !!! ATTENTION! Unauthorized modifications may present extreme BECOME ALERT! safety hazards to operators and bystanders and could also result in product damage. Your safety and the safety of others is involved. Jacobsen, a Textron Company strongly warns Signal word definitions against, rejects and disclaims any modifications, add-on accessories or product alterations that are... - Page 7 SAFETY ROTARY MOWER GENERAL SAFETY 1. Read and understand the Owner’s Manual before attempting to operate this machine. 2. Operate all controls from the operator’s seat, (if so equipped). NO RIDERS. 3. Keep all shields in place and safety switches adjusted properly. 4.
- Page 8 SAFETY ROTARY MOWER • Do not operate the machine while under the IMPORTANT influence of alcohol or drugs. Safe Operation Practices for Mowers • Watch for traffic when operating near or crossing roadways. • Use extra care when loading or unloading the machine into a trailer or truck.
- Page 9 SAFETY ROTARY MOWER IV SERVICE DO NOT: • Do not turn on slopes unless necessary, and • Use extra care in handling gasoline and other then, turn slowly and gradually downhill, if fuels. They are flammable and the vapors are possible.
- Page 10 DECALS ROTARY MOWER Location: On mower deck, front center. Location: On mower deck and discharge chute.
- Page 11 DECALS ROTARY MOWER Location: On mower deck top front center and both sides. Location: On mower deck top shield.
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Page 12: Assembly Instructions
ASSEMBLY INSTRUCTIONS ROTARY MOWER 1. Remove the mower from the shipping crate. 2. Remove top shield. 3. Install both left and right hitch arms as shown in Figure 7. Torque the 1/2" attaching bolts to 85 ft. lbs. Serial Numbers: 75-70855: 1001-1493, 75-70860: 1001-4727, 75-70865: 1001-1969 Install the 1/2"... -
Page 13: Installation
INSTALLATION ROTARY MOWER ATTACHING MOWER TO TRACTOR: - Operate latch control to open hitch latches. - Drive tractor into position aligning the quick hitch. - Be sure both latches engage fully and and are placed in the locked position. - Stop engine! Do not attempt to install drive belt with engine running. - Release idler assembly to facilitate easy installation of the drive belt. -
Page 14: Operation
OPERATION ROTARY MOWER 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 foreign material to be propelled from beneath deck to cause serious injury or death. -
Page 15: Service
SERVICE ROTARY MOWER MAINTENANCE Daily maintenance: Visual inspection for loose parts and accumulation of grass and dirt. Clean accumulation of grass clippings from beneath deck daily for better mowing performance. Keep blades sharp. Check the tips of the blades for wear. 25 hour maintenance: In addition to daily maintenance, grease roller and all bearings. - Page 16 SERVICE ROTARY MOWER ADJUSTMENTS Sharpening blades Be careful while sharpening blades that the corners of the blade do not become rounded at the tips. This reduces the blades overlap and will cause skipping. While sharpening, it is essential to ensure the balance of the blades is maintained to prevent vibration.
- Page 17 SERVICE ROTARY MOWER TO REMOVE BELT: Serial Numbers: 75-70855 1001-1493 75-70860 1001-4727 75-70865 1001-1969 Remove top shield and the bolts which fasten the hitch arms to the deck brackets. No further disassembly is necessary. Serial Numbers: 75-70855 1494 & Up 75-70860 4728 &...
- Page 18 SERVICE ROTARY MOWER TO INSTALL BELT: • Form loop for drive pulley and idler pulley as shown. (Photos 2 & 3) • Slip loop over drive pulley on left hitch arm. (Photos 2 & 3) • Form a loop around the center spindle pulley and fixed idler pulley.
- Page 19 SERVICE ROTARY MOWER USING THE FLIP-UP OPTION ON THE 75-70855, 75-70860 AND 75-70865 ROTARY MOWERS 1. Stop on a level surface, set parking brake and shut off the tractor. 2. Lift the deck. 3. Remove the top deck shield and set aside. 4.
- Page 20 DECK PARTS 48" ROTARY MOWER FIGURE 1...
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Page 21: Deck Parts 48
00-129 DECAL-BELT INSTALL 1-23 64139-21 BLT-WLF 3/8-16X3/4 (LOCATED UNDERNEATH TOP SHIELD) 1-24 62-716 DECK-MOWER (SN 1001 - 1433) 1-51 4128363 DECAL-STEINER LOGO 62-844 DECK-MOWER 1-52 00-140 DECAL-ANSI CERT. (SN 1434 - ) 1-53* 00-093 DECAL 1-25 60-534 CHUTE-SIDE DISCHARGE 1-54* 4112761... - Page 22 DECK PARTS 60" ROTARY MOWER FIGURE 2...
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Page 23: Deck Parts 60
DECK PARTS 60" ROTARY MOWER FIGURE 2 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 47-050 KNOB 2-25 62-696.17 CHUTE-SIDE DISCHARGE 64002-04 LOCKWASHER, EXT. 5/16 2-26 87-143 SPINDLE-MOWER (SN 1001 - 4188) 2-27 79-050 BLADE-20-1/2" .700 AIR LIFT 3 60-526 SHIELD-TOP DECK 79-053 BLADE-20-1/2"... - Page 24 DECK PARTS 72" ROTARY MOWER FIGURE 3...
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Page 25: Deck Parts 72
DECK PARTS 72" ROTARY MOWER FIGURE 3 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 47-050 KNOB 3-27 79-068 BLADE-24-3/4" .700 AIR LIFT 3 64002-04 LOCKWASHER, EXT. 5/16 79-069 BLADE-24-3/4" 1-3/8 AIR LIFT3 (SN 1001 - 1837) (OPTIONAL) 60-540.17 SHIELD-TOP DECK 3-28 99-B14 WASHER-1/4X1/2IDX3OD... - Page 26 FRAME PARTS 48" ROTARY MOWER FIGURE 4...
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Page 27: Frame Parts 48
FRAME PARTS 48" ROTARY MOWER FIGURE 4 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64141-4 NUT-WLF 3/8-16 4-28 50-078.7 ROLLER-REAR 03-0610 CLEVIS PIN-3/8 X 1-1/4 4-29 50-105 ROLLER-FRONT 02-PP0318 PRESTO PIN-3/32 X 2-5/16 85-B11 BEARING-3/4" WOOD RLR 29-010 GREASE FITTING-1/4 62-725.7 FRAME-HEIGHT ADJ 4-30... - Page 28 FRAME PARTS 60" ROTARY MOWER FIGURE 5...
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Page 29: Frame Parts 60
FRAME PARTS 60" ROTARY MOWER FIGURE 5 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64141-4 NUT-WLF 3/8-16 5-23 64123-117 BOLT-HEX 1/2-13X1-1/2 03-0610 CLEVIS PIN-3/8 X 1-1/4 5-24 90-0832 BOLT-1/2 X 4 02-PP0318 PRESTO PIN-3/32 X 2-5/16 5-25 64163-67 WASHER-.516X1X12GA 29-010 GREASE FITTING-1/4 5-26... - Page 30 FRAME PARTS 72" ROTARY MOWER FIGURE 6...
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Page 31: Frame Parts 72
FRAME PARTS 72" ROTARY MOWER FIGURE 6 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64141-4 NUT-WLF 3/8-16 6-30 50-074 AXLE-ANTI SCALP ROLLER 1 03-0610 CLEVIS PIN-3/8 X 1-1/4 6-31 64123-219 BOLT-HEX 3/8-16X6 02-PP0318 PRESTO PIN-3/32 X 2-5/16 6-32 64141-6 NUT, 5/16-18 29-010 GREASE FITTING-1/4... - Page 32 HITCH & DRIVE PARTS ROTARY MOWER FIGURE 7...
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Page 33: Hitch & Drive Parts
HITCH & DRIVE PARTS ROTARY MOWER FIGURE 7 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64164-11 KEY-3/16X3/16X1-1/4 SQ 7-18 64139-08 BOLT-5/16-18X3/4 WLF 64229-05 LOCKNUT, 1/2-13 NYLON 47-077 KNOB-SM CLMPNG W/STUD 1 64141-13 NUT WLF 1/2-13 7-19 64139-21 BLT-WLF 3/8-16X3/4 81-A128 BELT-48"... - Page 34 SPINDLE PARTS ROTARY MOWER FIGURE 8...
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Page 35: Spindle Parts
SPINDLE PARTS ROTARY MOWER FIGURE 8 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 87-235 SHAFT-SPINDLE 87-209843 SEAL 87-244643 BEARING CONE 87-244610 BEARING CUP 87-240001-5 CASTING-W/O BRTHR HLE 1 87-240001-6 CASTING-W/BRTHR HLE 87-240101-01 BLADE ADAPTER W/CUP 1 87-203293 RETAINING RING 87-203815 BOLT-3/8 X 1-1/2 SHCS... - Page 36 FLIP-UP DECKS ROTARY MOWER FIGURE 9...
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Page 37: Flip-Up Decks
FLIP-UP DECKS ROTARY MOWER FIGURE 9 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION MAIN DECK WELDMENT 9-31 64163-67 WASHER-.516X1X12 40-329.7 IDLER ARM-(48" & 60") 9-32 64123-125 BOLT-HEX 1/2-13X2-3/4 40-330.7 IDLER ARM-(72") 9-33 64123-87 BOLT-HEX 3/8-16X1-3/4 9-34 64139-21 BLT-WLF 3/8-16X3/4 64141-2 NUT-WLF 1/4-20 (USED ON 72"... - Page 38 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. BOB-CAT BROUWER BUNTON CUSHMAN RYAN STEINER...