Gravely 991080 Psrts Manual

Gravely 991080 Psrts Manual

Pro-turn 100 series zero-turn mowers
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Pro-Turn 100
Zero-Turn Mowers

Parts Manual

E10
The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product warranty.
L'utilisation d'une essence contenant plus de 10% d'éthanol (E10) ou de 10% de MTBE annulent la
garantie.
El uso de cualquier otro tipo de gasolina con un porcentaje superior al 10% de etanol (E10) o al 10% de
MTBE invalidará la garantía del producto.
ENGLISH
Models
991079 – Pro-Turn 148
)
(SN 021000 +
991080 – Pro-Turn 152
)
(SN 021000 +
991081 – Pro-Turn 160
)
(SN 021000 +
991095 – Pro-Turn 148
)
(SN 021000 +
991096 – Pro-Turn 152
)
(SN 021000 +
991097 – Pro-Turn 160
)
(SN 021000 +
991102 – Pro-Turn 148 CARB
)
(SN 021000 +
991103 – Pro-Turn 152 CARB
)
(SN 021000 +
991104 – Pro-Turn 160 CARB
)
(SN 021000 +
04562100A 1/13
Printed in USA

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Do you have a question about the 991080 and is the answer not in the manual?

Questions and answers

michael vitale
May 31, 2025

what is the correct oil and filter for the final drive?

1 comments:
Mr. Anderson
May 31, 2025

For the Gravely model with part number 991080, the correct oil for the final drive is 15W-50 synthetic motor oil (Gravely p/n 00057100 or equivalent), and the correct hydraulic oil filter is part number 21545100.

This answer is automatically generated

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Summary of Contents for Gravely 991080

  • Page 1: Parts Manual

    Pro-Turn 100 Zero-Turn Mowers Parts Manual Models 991079 – Pro-Turn 148 (SN 021000 + 991080 – Pro-Turn 152 (SN 021000 + 991081 – Pro-Turn 160 (SN 021000 + 991095 – Pro-Turn 148 (SN 021000 + 991096 – Pro-Turn 152 (SN 021000 + 991097 –...
  • Page 2 RODUCT EGISTRATION Before you operate your unit, carefully and completely The Gravely dealer must register the product at the time read manuals supplied with the unit. The contents will of purchase. Registering the product will help the provide you with an understanding of safety instructions company process warranty claims or contact you with the and controls during normal operation and maintenance.
  • Page 3: Table Of Contents

    Decals – Style ......5 Serial No. 021000 and up Model 991080 (Pro-Turn 152) RAME Kawasaki with 52”...
  • Page 4: Decals - Safety

    – S ECALS AFETY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 07800401 07700005A 07800403 07757500A KEEP HANDS and FEET AWAY PE105_G_safety_decals Item Part No. Qty. Description 07800402 Decal, Safety Deck Guarding 07800340 Decal, Safety Mower Deck 07757500 Decal, Parking Brake Lever 07756000 Decal, Danger Fan...
  • Page 5: Decals - Style

    Decal, Belt Routing (991079, 080, 095, 096, 102, 103) 08000605 Decal, Belt Routing (991081, 097, 104) 04014000 Decal, Pro-Turn 148 (991079, 095, 102) 04014100 Decal, Pro-Turn 152 (991080, 096, 103) 04014200 Decal, Pro-Turn 160 (991081, 097, 104) 03955200 Decal, Height of Cut 05366200...
  • Page 6: Frame

    RAME Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 (SN 020000 – 021999) PE001_G_frame...
  • Page 7: Pro-Turn

    RAME Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 (SN 020000 – 021999) Item Part No. Description 04243851 Foot Plate 04243953 Kick Plate 07412900 Screw, Tapping .38-16 x .50 Hex Washer Head Thread Rolling 03948151 Muffler Heat Shield 07415400 Screw, Tapping .38-16 x .75 Hex Washer Head 07400034...
  • Page 8 RAME Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 (SN 022000 +) PE001_G_frame...
  • Page 9: Pro-Turn

    RAME Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 (SN 022000 +) Item Part No. Description 04243851 Foot Plate 04243953 Kick Plate 07412900 Screw, Tapping .38-16 x .50 Hex Washer Head Thread Rolling 03948151 Muffler Heat Shield 07415400 Screw, Tapping .38-16 x .75 Hex Washer Head 07400034 Screw, Tapping .25-20 x .50 Hex Washer Head...
  • Page 10: Seat Assembly

    SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE070_G_100i_seat...
  • Page 11: Pro-Turn

    SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 05717100 Ring, Retaining External .500 x .050 06425300 Washer, Flat Steel .531 x 1.00 x .063 04052900 Seat, Suspension – with Belt, Light Gray 03837800 Shaft, 100I Seat Pivot 05500901 Bushing, Flange .516 x .750 x .625 x .937...
  • Page 12: Brake Assembly

    RAKE SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE002_G_brakes...
  • Page 13 RAKE SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 05946900 Bolt, Hex .31-18 x 1.00 05503900 Bushing, Flange .750 x 1.000 x .625 x 1.250 05714600 Ring, Retaining External .689 x .077 01522000 Bushing, Flanged 06545400 Nut, Nyloc Flange .31-18...
  • Page 14: Tire Assembly

    SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE060_G_tires...
  • Page 15 SSEMBLY Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 07100903 Tire/Wheel Assembly, 13 x 6.50-6 07100914 AR Tire, 13 x 6.50-6 Smooth 00675300 Spacer, Front Wheel 06500010 Nut, Nyloc Flange .50-13 05961200 Bolt, Hex .50-13 x 9.00 03924453 Fork 03760300...
  • Page 16: Fuel Tanks

    ANKS Model 991079, 080, 081, 095, 096, 097 23 (from Valve) 22 (to Right Hand Tank) 23 (to Left Hand Tank) 21 (to Engine) G_fueltanks_serial_2500_up...
  • Page 17 Grommet, Remote Vent Nitrile 03900300 Assembly, Medium Tank Fuel Pick-up 03278800 Clamp, Fuel Line 04340700 Tank, Left Hand Medium Gravely Fuel 07000018 Bolt, SEMS .31-18 x .62 07412900 Screw, Tapping Hex Washer Head Thread Rolling .38-16 x .50 06916000 J-Clamp...
  • Page 18 ANKS Model 991102, 103, 104 33 34 23 (from Valve) 34 33 23 (to Left Hand Tank) 21 (to Engine) G_fueltanks_serial_2500_up...
  • Page 19 Grommet, Remote Vent Nitrile 03900300 Assembly, Medium Tank Fuel Pick-up 03278800 Clamp, Fuel Line 04340700 Tank, Left Hand Medium Gravely Fuel 07000018 Bolt, SEMS .31-18 x .62 07412900 Screw, Tapping Hex Washer Head Thread Rolling .38-16 x .50 06916000 J-Clamp...
  • Page 20: Hydraulic Drive

    YDRAULIC RIVE Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE035_G_hydrodrive...
  • Page 21 YDRAULIC RIVE Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 06500010 Nut, Nyloc Flange .50-13 06436400 Washer, Flat Steel .511 x 1.441 x .125 02988651 Weldment, Hydro Drive Idler Arm 05500123 Bushing, 1.00 x 1.125 x 1.936 01581700 Bushing, Spacer .505/.500 x .999/.996 x 2.05/2.03 Promaster 05958400...
  • Page 22: Transmission

    RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE066_G_transmission...
  • Page 23 RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 03776400 Transaxle, 100I – Right Hand 06545400 Nut, Nyloc Flange .31-18 06543100 Nut, Locking Top Flange .31-18 03283500 Fan, 2800 Series Cooling 07001528 Fitting, Hydraulic (90°) 04244751 Transmission Damper Mounting Plate 07412400...
  • Page 24: Transmission - Right Hand

    – R RANSMISSION IGHT Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 If an Ariens part number is not listed next to a Hydro-Gear number, source the part from your local Hydro-Gear parts distributor.
  • Page 25 – R RANSMISSION IGHT Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description 71984 KIT, HOUSING,MAIN,RH,CHRG,CNTL HOUSING, MAIN, RH, CHRG, CNTL BUSHING, .624 x .719 x .562 BRG, JRNL .86 x .98 x .79 PIN, .25 x .375 (105) HFHCS 1/4-20 x .625...
  • Page 26 – R RANSMISSION IGHT Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description 53464 SCREW, HEX FLANGE 1/4-20 x .625 52257 GUARD, FILTER, RH 53218 PULLEY, 4.5 x 1.625 21543703 44133 NUT,HEX JAM 1/2-20 W/ PATCH 52157 TUBE, CONNECTING 50273...
  • Page 27 – R RANSMISSION IGHT Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description 71978 KIT, INPUT SHAFT SHAFT, INPUT BRG, BALL 17 x 40 x 12 RING, RET WIRE .561 ID 71597 KIT, RTN, CW ARM, CONTROL, RH (46)
  • Page 28: Transmission - Left Hand

    – L RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 If an Ariens part number is not listed next to a Hydro-Gear number, source the part from your local Hydro-Gear parts distributor.
  • Page 29 – L RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description 71986 KIT, HOUSING,MAIN,LH,CHRG,CNTL HOUSING, MAIN, LH, CHRG, CNTL BUSHING, .624 x .719 x .562 BRG, JRNL .86 x .98 x .79 PIN, .25 x .375 (105) HFHCS 1/4-20 x .75...
  • Page 30 – L RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description 51979 KIT HANDLE, ACTUATING 52027 CLIP, RETAINING 53464 SCREW, HEX FLANGE 1/4-20 x .625 52247 GUARD, FILTER, LH 53218 PULLEY, 4.5 x 1.625 21543703 44133 NUT,HEX JAM 1/2-20 W/ PATCH...
  • Page 31 – L RANSMISSION Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Ariens p/n Hydro-Gear p/n Qty. Description SHAFT, INPUT BRG, BALL 17 x 40 x 12 RING, RET WIRE .561 ID 71599 KIT, RTN, CCW ARM, CONTROL, LH (46) TWHCS 5/16-24 x 1.00 (PATCH) ASSEMBLY, RTN, CCW...
  • Page 32: Engine

    NGINE Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 20. To Valve PE046_G_kaw_fx...
  • Page 33 NGINE Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 05900036 Bolt, Hex .44-20 x 2.50 06443600 Washer, Flat Steel .469 x 2.00 x .25 06542000 Nut, Locking Top Flange .38-16 06610300 Key .25 x .25 x 2.25 03785000 Clutch, Ogura GT2.5-FE02 03829700...
  • Page 34: Controls

    ONTROLS Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE005_G_controls...
  • Page 35 ONTROLS Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 05942200 Bolt, Hex .Full Thread 38-16 x 2.00 04558551 Weldment, Right Hand Control 03704900 Wave Washer .640 x .875 x .125 Free Height 05521100 Bushing, Flange Nylon .515 x .750 x .745 x 1.00 05957400 Bolt, Hex .31-18 x 1.75 06545500...
  • Page 36: Electrical

    LECTRICAL Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE021_G_electrical_2...
  • Page 37 LECTRICAL Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 06226400 Bolt, Round Head Square Neck .25-20 x 7.50 01545600 Switch, Clutch 00464000 Switch, Ignition 03966800 Hour Meter w/Maintenance 08841200 Light, Indicator (991079, 080, 081, 102,103) 08841200 Light, Indicator (991095, 096, 97,104) 07500126...
  • Page 38: Continuity Diagram

    ONTINUITY IAGRAM Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 START POSITION CIRCUIT 1. OFF G + M 2. RUN B + L 3. START B + L + S PD3840...
  • Page 39: Wiring Diagram

    IRING IAGRAM Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 ORANGE 10 AMP 10 AMP 15 AMP 20 AMP CE OPTION 20 AMP...
  • Page 40: Mechanical Deck Lift

    ECHANICAL Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE015_G_mechanical lift...
  • Page 41 ECHANICAL Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Item Part No. Description 05707300 Ring, Retaining External 1.00 x .078 06535900 Nut, Hex Jam .375-16 07030000 Bolt, Eye .375-16 x 2.50 05800001 Pin, Roll .25 x 1.25 Stainless Steel 06200119 Bolt, Round Head Square Neck .50-13 x 2.25 04242600...
  • Page 42: Belts, Spindles, Idlers & Blades, 48" & 52" Decks

    & B , 48” & 52” D ELTS PINDLES DLERS LADES ECKS Model 991079, 080, 095, 096, 102, 103 Belts_Spindles_48in_G...
  • Page 43 Washer, Flat Steel .406 x .812 x .065 18 07340200 Pulley, Double, 1" ID x 5.75" & 4.25" OD (991079, 095, 102) 07340300 Pulley, Double, 1" ID x 6.00" & 4.75" (991080, 096, 103) 19 07329267 Pulley, Double, 1" ID x 5.75" OD (991079, 095, 102) 07332367...
  • Page 44: Belts, Spindles, Idlers & Blades, 60" Deck

    & B , 60” D ELTS PINDLES DLERS LADES Model 991081, 097, 104 Belts_Spindles_60in_G...
  • Page 45 & , 60” D ELTS PINDLES DLERS BLADES Model 991081, 097, 104 Item Part No. Description 05957900 Bolt, Hex .38-16 x 1.50 05500905 Bushing, Spacer .502 x .997 x .50 07300527 Sheave, .50" ID x 6.00" OD V-Idler 00450100 Cap, Idler Bearing Sealing 01581700 Bushing, Spacer .505/.500 x .999/.996 x 2.05/2.03 07000034...
  • Page 46: Deck & Mounting Arms

    & M OUNTING Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Deck_Mounting_Arms...
  • Page 47 Bolt, Round Head Square Neck .50-13 x 1.50 14 06500010 12 Nut, Locking Nylon Flange .50-13 15 04531653 Weldment, 48” Side Discharge Deck (991079, 095, 102) 04546253 Weldment, 52” Side Discharge Deck (991080, 096, 103) 04546453 Weldment, 60” Side Discharge Deck (991081, 097, 104)
  • Page 48: Anti-Scalp Rollers

    CALP OLLERS Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 (991079, 095, 102) (991080, 081, 096, 097, 103, 104) PE100_G_deck_wheels...
  • Page 49 Description 06225900 Bolt, Round Head Square Neck .50-13 x 5.00 (991079, 095, 102) 06225900 Bolt, Round Head Square Neck .50-13 x 5.00 (991080, 081, 096, 097, 103, 104) 00473700 Spacer, .510 x .625 x 3.35 (991079, 095, 102) 00473700 Spacer, .510 x .625 x 3.35 (991080, 081, 096, 097, 103, 104)
  • Page 50: Discharge Chute & Belt Covers

    & B ISCHARGE HUTE OVERS Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 Discharge Chute_Belt_Covers_G...
  • Page 51 Chute, Rubber Discharge 13 00472453 Weldment, Discharge Chute Support, 48” (991079, 095, 102) 00472553 Weldment, Discharge Chute Support, 52" – 60" (991080, 081, 096, 097, 103, 104) 14 06545500 Nut, .38-16 Nyloc Flange 15 05946800 Bolt, Hex .25-20 x .75 (991079, 095, 102) 16 01593500 Pin, Spring Ball .375OD x 1.50 (991079, 095, 102)
  • Page 52 ISCHARGE HUTE TORAGE Model 991079, 095, 102 48” Deck PE097_deck_48_G Item Part No. Description 07414400 Screw, Tapping .31-18 x .75 Hex Washer Head 07500009 Bumper, Recessed 1.50 x .63 w/.31 Thru Hole 06545400 Nut, Locking Nyloc Flange .31-18 00451653 Discharge Baffle 06216100 Bolt, Round Head Square Neck .31-18 x 1.00...
  • Page 53: Discharge Chute Storage

    ISCHARGE HUTE TORAGE Model 991080, 081, 096, 097, 103, 104 52” & 60” Deck PE096_deck_52-60_G Item Part No. Description 07534800 Knob, Clamping, .312-18 Nyloc 06529800 Nut, Locking Center .31-18 07500009 Bumper, Recessed 1.50 x .63 w/.31 Thru Hole 06212100 Bolt, Round Head Square Neck .31-18 x 1.50 06545500 Nut, .38-16 Nyloc Flange...
  • Page 54: Rops

    ROPS Model 991079, 080, 081, 095, 096, 097, 102, 103, 104 PE130_G_rops Item Part No. Qty. Description 59101600 ROPS, PT100 Replacement 05965800 Bolt, Hex .50-13 x 3.50 04063400 Assembly, ROPS Pin/Lanyard 06543600 Nut, Locking Top Flange .50-13 04063500 Bumper, ROPS Rubber 00181592 Knob, Round .312-18 x .75 04063600...
  • Page 56 GRAVELY 655 West Ryan Street Brillion, WI 54110 920-756-4688 Fax 920-756-2407 www.gravely.com...

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