Exmark 790 Parts Manual
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Exmark 790 Parts Manual

Exmark mfg. co. inc. zero-turn riding mower parts manual
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LAZER Z
MODELS
®
ADVANTAGE SERIES
MODELS
For Serial Nos.
790,000 & Higher
Part No. 4500-485 Rev. D

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  • Page 1 LAZER Z MODELS ® ADVANTAGE SERIES MODELS For Serial Nos. 790,000 & Higher Part No. 4500-485 Rev. D...

  • Page 3: Table Of Contents

    READ OPERATOR’S MANUAL BEFORE OPERATING OR SERVICING EXMARK EQUIPMENT. TABLE OF CONTENTS Description Page Brake Handle Assembly ... 25 Caster Wheel Assembly ... 18-19 Controls Group ... 22 Cutter Housing Assembly ... 5, 8, 11, 14 Decal Group ... 37 Deck Group ...
  • Page 4 3231-22 Bolt, Carriage 3/8-16 x 1 ... 3 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N MK484. Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-grade anti-seize) between the spindles and bearings. DO NOT use a copper or nickel based anti-seize.
  • Page 5 48” DECK W/DECALS ASSEMBLY – 109-9027 Item Part No. Description 1-303508 Decal-Warning, Discharge ... 1 1-403005 Decal-Danger ... 2 1-633922 Decal, Antiscalp ... 1 98-5954 Decal-Cover, Missing ... 2 Qty. Item Part No. Description 109-3148 Decal, Bolt Torque ... 1 116-0033 Decal, Ultracut 48 Series 4 ...
  • Page 6 CUTTER HOUSING ASSEMBLY – 109-9017 Item Part No. Description 103-1330 Guard, Bearing Top ... 1 103-2535 Spacer, Guard Bottom ... 1 103-2802 Washer, Spring Disc 3/4 ... 1 103-2982 Key, Machine 1/4 x 3/16 x 3/4 ... 1 103-9086 Kit, Splined Spindle ... 1 103-3037 Bushing, Splined ...
  • Page 7 109-6935 Cover, Belt RH 46-56 ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N MK524. 52” DECK GROUP Qty.
  • Page 8 52” DECK W/DECALS ASSEMBLY – 109-9012 Item Part No. Description 1-303508 Decal, Warning Discharge ... 1 1-403005 Decal, Danger ... 2 1-633922 Decal, Antiscalp ... 1 98-5954 Decal, Cover Missing ... 2 Qty. Item Part No. Description 116-0034 Decal, Ultracut 52 Series 4 ... 1 109-3148 Decal, Bolt Torque ...
  • Page 9 CUTTER HOUSING ASSEMBLY – 109-9018 Item Part No. Description 103-8353 Housing, Cutter ... 1 103-2535 Spacer, Guard Bottom ... 1 103-9086 Kit, Splined Spindle ... 1 103-2982 Key, Machine 1/4 x 3/16 x 3/4 ... 1 103-1330 Guard, Bearing Top ... 1 116-0186 Sheave, Blade Drive ...
  • Page 10 3231-22 Bolt, Carriage 3/8-16 x 1 ... 2 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N MK604. 60” DECK GROUP Qty.
  • Page 11 60” DECK W/DECALS ASSEMBLY – 109-9013 Item Part No. Description 1-303508 Decal, Warning, Discharge ... 1 1-403005 Decal, Danger ... 2 1-633922 Decal, Antiscalp ... 1 116-0025 Decal, Ultracut 60 Series 4 ... 1 Qty. Item Part No. Description 109-3148 Decal, Bolt Torque ...
  • Page 12 CUTTER HOUSING ASSEMBLY – 109-9019 Item Part No. Description 103-1330 Guard, Bearing Top ... 1 103-2535 Spacer, Guard Bottom ... 1 103-2802 Washer, Spring Disc 3/4 ... 1 103-2982 Key, Machine 1/4 x 3/16 x 3/4 ... 1 103-9086 Kit, Splined Spindle ... 1 Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food grade antiseize) between the jackshaft and bearings, jackshaft and sheaves, spindles and bearings, spindles and sheaves, and under top bearing guard.
  • Page 13 Cover-Belt, RH ... 1 109-6938 Cover-Belt, LH ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N MK724 72” DECK GROUP Qty.
  • Page 14 72” DECK W/DECALS ASSEMBLY – 109-9014 Item Part No. Description 1-303508 Decal-Warning, Discharge ... 1 1-403005 Decal-Danger ... 2 1-633922 Decal, Antiscalp ... 1 98-5954 Decal-Cover, Missing ... 2 Qty. Item Part No. Description 109-3148 Decal, Bolt Torque ... 1 109-9361 Decal, Belt Routing ...
  • Page 15 CUTTER HOUSING ASSEMBLY – 116-0911 Item Part No. Description 103-1330 Guard, Bearing Top ... 1 103-2535 Spacer, Guard Bottom ... 1 103-2802 Washer, Spring Disc 3/4 ... 1 103-2982 Key, Machine 1/4 x 3/16 x 3/4 ... 1 103-9086 Kit, Splined Spindle ... 1 103-3037 Bushing, Splined ...

  • Page 16: Deck Idler Assembly

    DECK IDLER ASSEMBLY – 109-2883 Item Part No. Description 43-0940 Spacer-Hub, Blower ... 1 103-2916 Guard, Top... 1 103-3504 Bearing, Spherical... 2 103-3505 Seal, Double Lip ... 1 103-3506 Seal, Single Lip ... 1 103-8743 Pulley, Idler 5"Flanged ... 1 106-7159 O-Ring ...

  • Page 17: Mainframe Group

    3231-21 Bolt, Carriage 3/8-16 x 3/4 ... 4 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Exmark black touch up spray paint – gloss black. See pages 18 & 19.

  • Page 18: Rops Assembly

    Item Part No. Description 109-6653 Spacer ... 2 116-0019 Asm, Rops Upper W/Decal ... 1 107-2102 Decal, Warning, Folding Rops ... 1 109-5337 Bumper, Rops ... 2 116-0104 Asm, Spring Pin ... 2 99-5107 Nut, Lock 1/2-13 ... 6 ROPS ASSEMBLY – 116-0230 Qty.
  • Page 19 5:2:1 1-633585 Bearing, Cone Tapered Roller ... 2 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on spacer nut, item 5:2:3. Qty.
  • Page 20 5:2:1 1-633585 Bearing, Cone Tapered Roller ... 2 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on spacer nut, item 5:2:3. Qty.

  • Page 21: Deck Support Group

    Asm, Height Of Cut ... 1 109-9065 Screw, HH 7/16-14 X 2 ... 1 3296-23 Nut, Nyloc 1/2-13 ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140) DECK SUPPORT GROUP Qty. Item Part No.

  • Page 22: Height Of Cut Assembly

    HEIGHT OF CUT ASSEMBLY – 109-7438 Item Part No. Description 62-1330 Bolt-Shoulder ... 1 109-7130 Grommet... 1 104-8301 Nut, Nyloc 3/8-16 Flg ... 1 109-7124 Spring, Extension ... 1 109-7128 Rod, Transport Lock ... 1 Qty. Item Part No. Description 116-0118 Pawl, Transfer Lock ...

  • Page 23: Controls Group

    Item Part No. Description 109-8484 Console, Panel W/Decal W/Decal (All Units Except 26HP Kaw) ... 1 109-9454 Console, Panel W/Decal (26HP Kaw) ... 1 109-8483 Decal, Control Panel ... 1 109-7330 Decal, Fuse ... 1 109-8165 Asm, Choke Cable W/Decal (All Units Except 26 &...

  • Page 24: Motion Control Group

    Item Part No. Description 116-0880 Asm, Mot Ctrl/Bushing RH ... 1 109-8054 Bushing, Flanged ... 4 116-0881 Asm, Mot Ctrl/Bushing LH ... 1 109-8054 Bushing, Flanged ... 4 116-0648 Screw, HH 5/16-18 x 1 W/Patch ... 2 109-4581 Arm, Pump Control ... 2 9080046 Screw, HH 1/4-20 x 7/8 ...

  • Page 25: Park Brake Group

    Item Part No. Description 117-0383 Asm, Brake Handle ... 1 3230-2 Bolt, Carriage 5/16-18 x 1 ... 2 104-8300 Nut, Nyloc 5/16-18 Flg ... 2 60-1730 Pin-Clevis ... 2 3272-1 Pin, Cotter 1/16 x 1/2 ... 2 117-6163 Wheel Hub And Stud Asm ... 2 1-633926 Stud-Wheel ...

  • Page 26: Brake Handle Assembly

    Nut, Nyloc 1/4-20 Flg ... 1 117-0382-03 Brake Handle Asm ... 1 114-1207 Washer, Special ... 1 114-8187 Spring-Compression ... 1 Exmark black touch up spray paint – gloss black. Qty. Item Part No. Description 115-3581 Rod-Brake Release ... 1 115-3592 Grip 1.0 In ...

  • Page 27: Seat Group

    Seat, Exmark ... 1 109-9036 Mount, Seat W/Decals ... 1 104-8300 Nut, Nyloc 5/16-18 Flg ... 8 116-0192-03 Plate, Seat Support ... 1 Exmark black touch up spray paint – gloss black SEAT GROUP Qty. Item Part No. Description 3230-22 Bolt, Carriage 5/16-18 x 1 Sp ...

  • Page 28: Seat W/Tracks Assembly

    SEAT W/TRACKS ASSEMBLY – 116-0037 Item Part No. Description 109-9801 Set, Seat Track ... 1 109-9813 Set, Arm Rest Pads ... 1 109-9804 Kit, Arm Rest Set ... 1 109-9805 Kit, Seat Belt W/Long Buckle ... 1 Qty. Item Part No. Description 109-9818 Cover, Cushion ...

  • Page 29: Fuel Tank Group

    Item Part No. Description 109-9357 Asm, Fuel Tank ... 1 109-9656 Asm, Fuel Tank W/O Sender ... 1 32128-33 Nut, Whizlock 1/4-20 ... 2 109-2365 Bumper-Rubber (W/Stud) ... 2 FUEL TANK GROUP Qty. Item Part No. 109-9450 109-9491 105-1853 -28- Description Tube, Fuel Vent Drain ...

  • Page 30: Fuel Tank Assembly

    FUEL TANK ASSEMBLY – 109-9357 & 109-9656 Item Part No. Description 46-6560 Bushing ... 4 109-9364 Fitting, Fuel W/Line And Screen ... 1 9107944 Screw-Pan ... 5 3253-17 Washer, Lock 3/16 ... 5 116-0003 Sender, Fuel Level W/Gasket & Tube (109-9357 only) ... 1 109-9620 Gasket ...

  • Page 31: Engine Group - 20Hp Briggs & Stratton

    116-1005 Bracket, Muffler ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140) Use Teflon Pipe Sealant or equivalent on threads. Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on clutch bolt.
  • Page 32 109-1012 Plug ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140) Use Teflon Pipe Sealant or equivalent on threads. Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on clutch bolt.
  • Page 33 Anchor, Clutch ... 1 323-7 Screw, HH 3/8-16 x 1 1/4 ... 4 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140) Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on clutch bolt. Qty.
  • Page 34 109-9216 Manifold, Exhaust ... 1 Exmark red touch up paint (spray paint – P/N 1-850337 - .6 oz liquid bottle – P/N 103-9140). Exmark black touch up spray paint – gloss black.) Use Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on clutch bolt.

  • Page 35: Hydraulic Group

    W/Shock (60” & 72”) ... 1 Bracket, Anchor Cable ... 2 Filter, Hydro ... 2 Fan, Hydro ... 2 Pulley, Hydro ... 2 Handle, Hydro Bypass Valve ... 2 Dipstick, Hydro ... 2 Gasket, Hydro Dipstick ... 2 Oil, Exmark Premium Hydro ... 4...

  • Page 36: Pump Idler Assembly

    PUMP IDLER ASSEMBLY – 109-2182 Item Part No. Description 43-0940 Spacer-Hub, Blower ... 1 103-3504 Bearing, Spherical... 2 103-3505 Seal, Double Lip ... 1 103-3506 Seal, Single Lip ... 1 104-8301 Nut, Nyloc 3/8-16 Flg ... 1 106-7159 O-Ring ... 2 Qty.

  • Page 37: Electrical Group

    Switch-Single Pole N.O..2 116-0042-03 Strap-Tie Down, Battery ... 1 1-633651 Bolt-Holddown... 2 1-543792 Wingnut, Nyloc 1/4-20... 2 Exmark black touch up spray paint - gloss black. Use dielectric grease on all wiring harness connectors. ELECTRICAL GROUP Qty. Item Part No. 1-643275...

  • Page 38: Decal Group

    Decal, Shell DEX-COOL ... 1 116-0033 Decal, UltraCut 48 Series 4 ... 1 116-0034 Decal, UltraCut 52 Series 4 ... 1 103-2883 Decal, Exmark Logo ... 2 116-0025 Decal, UltraCut 60 Series 4 ... 1 116-0944 Decal, UltraCut 72 Series 4 ... 1 116-0026 Decal, Lazer AS ...
  • Page 39 AIR-COOLED ELECTRICAL DIAGRAM -38-...
  • Page 40 LIQUID-COOLED ELECTRICAL DIAGRAM -39-...
  • Page 41 AIR-COOLED ELECTRICAL LOGIC SCHEMATIC -40-...
  • Page 42 LIQUID-COOLED ELECTRICAL LOGIC SCHEMATIC -41-...
  • Page 43 -42-...
  • Page 44 © 2009 Exmark Mfg. Co., Inc. Industrial Park Box 808 Beatrice, NE 68310 All Rights Reserved Part No. 4500-485 Rev. D (402) 223-6300 Fax (402) 223-5489 Printed In USA...

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Lazer z 4500-485Lazer z seriesAdvantage series

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