Textron BUNTON BZT 2000 Series Operation & Safety Manual
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Textron BUNTON BZT 2000 Series Operation & Safety Manual

Textron BUNTON BZT 2000 Series Operation & Safety Manual

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SETUP, PARTS & MAINTENANCE
MANUAL BZT 2000 SERIES
Models:
642220
BZT 2190 19HP KAW W/48 SIDE DISCHARGE
642221
BZT 2190 19HP KAW W/52 SIDE DISCHARGE
642222
BZT 2230 23HP KAW W/52 SIDE DISCHARGE
642223
BZT 2230 23HP KAW W/61 SIDE DISCHARGE
642233
BZT 2250 25HP KAW W/61 SIDE DISCHARGE
642227
BZT 2230LC 23HP KLR W/52 SIDE DISCHARGE
642228
BZT 2230LC 23HP KLR W/61 SIDE DISCHARGE
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.
Operation & Safety Manual: 2722088
2722089 REV05

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June 28, 2025

Need rear rim part 2720608-1 BZT 2190 5 LUG

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Summary of Contents for Textron BUNTON BZT 2000 Series

  • Page 1 SETUP, PARTS & MAINTENANCE MANUAL BZT 2000 SERIES Models: 642220 BZT 2190 19HP KAW W/48 SIDE DISCHARGE 642221 BZT 2190 19HP KAW W/52 SIDE DISCHARGE 642222 BZT 2230 23HP KAW W/52 SIDE DISCHARGE 642223 BZT 2230 23HP KAW W/61 SIDE DISCHARGE 642233 BZT 2250 25HP KAW W/61 SIDE DISCHARGE 642227...
  • Page 2 © 2003, TEXTRON INC...

  • Page 3: Table Of Contents

    Bunton designs and builds its equipment to serve many years in a safe and productive manner. For longest life, use this machine only as directed in the manuals, keep it in good repair and follow safety warnings and instructions. You'll always be glad you did. Textron Golf, Turf & Specialty Products One Bob Cat Lane Johnson Creek, WI 53038-0469...

  • Page 4: Safety

    The signal words below are used to identify levels of alterations that are not designed, developed, tested hazard seriousness. These words appear in this and approved by Textron Golf, Turf & Specialty manual and on the safety labels attached to Products Engineering Department. Any Textron Ransomes machines.

  • Page 5: Assembly And Setup

    ASSEMBLY AND SETUP BZT 2000 Series TOOLS REQUIRED FOR ASSEMBLY – Wrecking bar – Claw hammer – Ratchets: 3/8" – Sockets: 3/8", 1/2", 17 mm, 19 mm – Wrenches: two 15/16" (or adjustable), 13 mm, 17 mm, 19 mm – Level –...
  • Page 6 ASSEMBLY AND SETUP BZT 2000 Series 2. Set tire pressures to 14 lbs/in (1.0 kg/cm ). Tires are overinflated for shipping. 3. LEVEL CUTTERDECK To level decks, follow Steps a-d: a) Remove the height of cut pin A and raise the cutterdeck to the 3"...
  • Page 7 ASSEMBLY AND SETUP BZT 2000 Series 4. TRACTION LEVERS a) Remove bolt A. b) Rotate traction lever B into position and secure with bolt A. Repeat for the other lever. c) Tighten all fasteners. d) Sit on the machine. If the levers are too long, bracket C may be removed to make them shorter.
  • Page 8 MAINTENANCE CHART BZT 2000 Series t l i t l i...

  • Page 9: Maintenance Record

    MAINTENANCE RECORD BZT 2000 Series NOTES _______________________________________________________________ ____________________________________________________ ________________________________________________________________________ _______________________________________________________________ ____________________________________________________________ ____________________________________________________ ________________________________________________________________________ _______________________________________________________________ ____________________________________________________________ _______________________________________________________________ ____________________________________________________________ ____________________________________________________________ & & r i f , l i t l i...

  • Page 10: Maintenance

    MAINTENANCE BZT 2000 Series CHECK DAILY Operator Presence Interlock System - Start Operation For the engine to crank, the parking brake must be on, the PTO (blades) off and traction levers in the neutral lock position. Sit in the seat and check, one by one, if the engine will crank with the parking brake off, the blades on, and either traction lever out of neutral lock.
  • Page 11 MAINTENANCE BZT 2000 Series LUBRICATION Every 50 hours of operation, lubricate the following points (1-5) with grease: 1. Brake lever pivot (1 point) 2. Push arms (2 points located at rear of cutterdeck under each fuel tank) 3. Deck idler pivot bearings (2 points) 4.
  • Page 12 MAINTENANCE BZT 2000 Series HYDRAULIC SYSTEM After the first 5 hours of operation, fluid level in the hydraulic system should be checked every 100 hours or when a leak has occurred. If the fluid is low, check all components for leaks. To check, remove reservoir cap M.
  • Page 13 MAINTENANCE BZT 2000 Series ENGINE OIL Do not perform engine maintenance without the engine off, spark plug wires disconnected and PTO disengaged. AFTER FIRST FIVE (5) HOURS While the engine is warm: 1. Remove drain cap D and drain the crankcase. Dispose of used oil in accordance with local requirements.
  • Page 14 MAINTENANCE BZT 2000 Series DUAL ELEMENT AIR CLEANER The air cleaner with this engine has a high density paper air cleaner cartridge surrounded by an oiled, foam precleaner element. Both should be inspected regularly and maintained. Clean and re-oil precleaner element every 25 hours (more often under dusty conditions).
  • Page 15 MAINTENANCE BZT 2000 Series BLADE BALANCE BLADE REMOVAL Follow these instructions to prevent injury during Blade balance must be maintained at 5/8 oz-in (19.4 blade removal: g-cm) or less. Failure to keep blades balanced causes excess vibration, wear, and shortened life of 1.
  • Page 16 MAINTENANCE BZT 2000 Series ENGINE COOLING-LIQUID COOLED Continued operation with a clogged cooling system will cause severe overheating and can result in engine damage. Remove air intake cover S by releasing the four latches T. – Daily: Clean air intake cover S. –...
  • Page 17 MAINTENANCE BZT 2000 Series LIQUID COOLED DUAL ELEMENT AIR CLEANER The air cleaner with this engine has a high density paper air cleaner cartridge surrounded by an oiled, foam precleaner element. Both should be inspected regularly and maintained. Clean and re-oil precleaner element every 25 hours (more often under dusty conditions).

  • Page 18: Adjustments

    ADJUSTMENTS BZT 2000 Series HEIGHT OF CUT The height of cut is set by moving height of cut pin N to the hole designated for the height of cut desired. To change the height of cut: 1. Raise the deck to the highest position. 2.
  • Page 19 ADJUSTMENTS BZT 2000 Series PUSH ARMS The push arm rod ends must be adjusted evenly to: – locate the deck perpendicular to the front-to-rear axis of the machine; and – so the notch at the front of the engine deck clears the push arm bracket on the rear of the cutterdeck when the cutterdeck is raised to the transport position.
  • Page 20 ADJUSTMENTS BZT 2000 Series DECK LEVELING NOTE: These instructions are in regards to both sides of the deck. To level deck: 1. Park the machine on a smooth, level surface. Remove the height of cut pin A and raise the cutterdeck to the 3"...
  • Page 21 ADJUSTMENTS BZT 2000 Series HYDROSTAT ADJUSTMENTS A turnbuckle-style hydrostat neutral adjustment is provided. Neutral: 1. Support the machine with the rear wheels off the ground. Use jackstands or equivalent support. Do not rely only on mechanical or hydraulic jacks. 2. Move the traction levers out into the neutral lock position and raise the seat.

  • Page 22: Belt Replacement

    BELT REPLACEMENT BZT 2000 Series Note: Always use Bunton replacement belts, not general purpose belts. Bunton belts are specially designed for use on commercial mowers and will normally last longer. ENGINE-CUTTERDECK (PTO) BELT 1. Set the cutterdeck in the lowest height-of-cut position.
  • Page 23 BELT REPLACEMENT BZT 2000 Series CUTTERDECK BELT 1. Set the cutterdeck in the lowest height-of-cut position. 2. Remove the engine-cutterdeck belt from the deck idlers and pulley (see engine-cutterdeck belt replacement). Push it aside but don't remove it from the machine. 3.

  • Page 24: Specifications

    SPECIFICATIONS BZT 2000 Series POWER UNITS ENGINES : CONTROLS: Construction: Aluminum block with cast-in cast iron Throttle; choke; power takeoff (PTO) clutch switch; sleeves. Aluminum head. traction levers; parking brake lever; lift lever. Configuration: 4-stroke, vertical shaft, V-twin FUEL SYSTEM: cylinder, overhead valve, air-cooled, or liquid cooled.
  • Page 25 SPECIFICATIONS BZT 2000 Series " 4 " 9 " 9 " 4 - t f - t f - t f - t f / . l / . l / . l / . l . l a...
  • Page 26 SPECIFICATIONS BZT 2000 Series " 5 " 5 " 1 " 4 " 5 " 2 " 9 " 5 " 3 t f i l t f i l t f i l t f i l o i t t f i l o i t t f i l...
  • Page 27 PARTS SECTION BZT 2000 Series PARTS SECTION...
  • Page 28 UPPER ENGINE DECK ASSY BZT 2000 Series FIGURE 1...

  • Page 29: Upper Engine Deck Assy

    UPPER ENGINE DECK ASSY BZT 2000 Series 2722089-01 FIGURE 1 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2720607 ENGINE-KAWASAKI FHV 19 1 1-45 64123-15 BLT-HEX 3/8-16X3/4 4114746 FILTER-AIR KAWASAKI 1-46 69051-01 PLUG-PIPE 3/8" 4114747 FILTER-PRE KAWASAKI 1-47 38304-02 S BRG FLGD PLASTIC 2722214 FILTER-OIL 1-48...
  • Page 30 LOWER ENGINE DECK ASSY/CLUTCH BZT 2000 Series FIGURE 2...

  • Page 31: Lower Engine Deck Assy/Clutch

    LOWER ENGINE DECK ASSY/CLUTCH BZT 2000 Series 2722089-02 FIGURE 2 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2722382 PULLEY-PUMP 64044-1 SCREW-SET 1/4-20X1/4 64238-03 KEY-MET 5mm SQX28mm 64164-10 1/4X1/4X1 1/4 SQ END KEY 1 4121339 PULLEY-4.25 ENGINE 2721337 CLUTCH-ELECTRIC (USE ON ALL MODELS EXCEPT 19HP) (INCLUDES ITEMS 29 &...
  • Page 32 CRADLE ASSEMBLY BZT 2000 Series FIGURE 3...

  • Page 33: Cradle Assembly

    CRADLE ASSEMBLY BZT 2000 Series 2722089-03 FIGURE 3 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2182356.7 BRKT-SHAFT HANGER 2183077 SPCR-DKLIFT ACTUATOR 2188127 CHAIN-6.35 (.250) 5 LINKS 2721859 MAT-FOOT PLATE LOWER 1 2721860 MAT-FOOT PLATE MIDDLE 1 2721861 MAT-FOOT PLATE UPPER 2721992 LABEL-BUNTON STRIPE 2721868...
  • Page 34 DECALS BZT 2000 Series FIGURE 4...

  • Page 35: Decals

    2722089-04 FIGURE 4 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2721992 LBL-BUNTON W/STRIPE 2721886 LABEL-BUNTON TEXTRON 1 2000735 LABEL-OPER MAN 2000590 LABEL, WARN BATTERY 2000691 LABEL - HYDR OIL FILL 2721555 LABEL-CONTROL PANEL 2000693 LABEL - PARK BRAKE 2000698...
  • Page 36 BUMPER BZT 2000 Series FIGURE 5...

  • Page 37: Bumper

    BUMPER BZT 2000 Series 2722089-05 FIGURE 5 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2722296.7 ARM-BUMPER 2720997 S ENG DECK W/LABS 2721324.7 WLDMT-BUMPER 64263-013 BLT-FLG HD M10-1.5 X 30 64265-05 NUT-FL NYL LOCK M10-1.5 10 2721932.7 BRACE-VERTICAL...
  • Page 38 BRAKES/REAR WHEEL BZT 2000 Series FIGURE 6...

  • Page 39: Brakes/Rear Wheel

    BRAKES/REAR WHEEL BZT 2000 Series 2722089-06 FIGURE 6 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2720997 S ENGINE DECK W\LABS 6-25 64141-4 NUT-WLF 3/8-16 4113527.7 WLDMT-BRAKE ARM LH 6-26 64207-07 NUT-HEX M12-1.75 4113529.7 WLDMT-BRAKE ARM RH 6-27 64168-2 HAIRPIN COTTER 128102 SPRING-EXTENSION 6-28...
  • Page 40 HYDRAULICS BZT 2000 Series FIGURE 7...

  • Page 41: Hydraulics

    HYDRAULICS BZT 2000 Series 2722089-07 FIGURE 7 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2186211 S HYD RESERVOIR W/LAB 1 2720396 FILTER 25 MICRON 69216.7 CAP-RESERVOIR 108029 PLUG-MAGNETIC 158058-04 FTG-90 BRB 9/16-18X.38 108205-03 ELBOW-MALE 45 37-ORB (69053-05 IS A SERVICEABLE LENGTH OF 55") 7-7A 69053-05 3/8 HIGH TEMP HSE 18"...
  • Page 42 HYDROGEAR PUMP BZT 2000 Series FIGURE 8...

  • Page 43: Hydrogear Pump

    HYDROGEAR PUMP BZT 2000 Series 2722087-08 FIGURE 8 ITEM HYDROGEAR PART NO. TEXTRON PART NO. DESCRIPTION 70516 ----- HOUSING KIT 70517 ----- END CAP KIT 50641 ----- STRAIGHT HEADLESS PIN 50969 2721615-01 FLANGE BOLT M8-1.25 X 60 51232 2721615-02 HOUSING O-RING...
  • Page 44 DECALS-CUTTERDECKS BZT 2000 Series FIGURE 9...

  • Page 45: Decals-Cutterdecks

    DECALS-CUTTERDECKS BZT 2000 Series 2722087-21 FIGURE 9 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2000572 LABEL-WARNING BLADES 1 2000577 LABEL, WARNING 2000696 LBL - BLADE INSTALL 2000677 LABEL-DANGER/WARNING 1...

  • Page 46: Kohler Wire Harness-Liq. Cooled

    KOHLER WIRE HARNESS-LIQ. COOLED BZT 2000 Series FIGURE 10 2722089-10 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 10-1 2722147 HARNESS-WIRING 10-2 148082-20 FUSE-20 AMP 10-3 108061-13 CABLE-BATTERY 10-4 158135-01 SWITCH-SEAT NO 10-5 158136 WIRE-SEAT SWITCH 10-6 48030N HOUR METER ASSY 10-7 2722227-02 CABLE-BATT W/CONDUIT (INCLUDES ITEMS 16 &...
  • Page 47 KOHLER WIRE HARNESS-LIQ. COOLED BZT 2000 Series FIGURE 10 2722089-10...
  • Page 48 KAWASAKI WIRING HARNESS BZT 2000 Series FIGURE 11 2722089-11...

  • Page 49: Kawasaki Wire Harness

    KAWASAKI WIRE HARNESS BZT 2000 Series 2722089-11 FIGURE 11 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 11-1 2721375 HARNESS-WIRING 11-2 148082-20 FUSE-20 AMP 11-3 108061-13 CABLE-BATTERY 11-4 158135-01 SWITCH-SEAT NO 11-5 158136 WIRE-SEAT SWITCH 11-6 48030N HOUR METER ASSY 11-7 2722227-02 CABLE-BATT W/CONDUIT (INCLUDES ITEMS 21 &...
  • Page 50 FUEL TANKS/CONTROL PANEL BZT 2000 Series FIGURE 12...

  • Page 51: Fuel Tanks/Control Panel

    FUEL TANKS/CONTROL PANEL BZT 2000 Series 2722089-12 FIGURE 12 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 12-1 2721510 TANK-FUEL LH 12-16 64025-15 NUT-HEX #10-24 KEPS (INCLUDES ITEMS 18 & 19) 12-17 64152-46 SCR.-SLT HH #10-24X1/2 12-2 2721509 TANK-FUEL RH 12-18 48310 S BUSHING, FUEL TANK...
  • Page 52 OIL COOLER BZT 2000 Series FIGURE 13...

  • Page 53: Oil Cooler

    OIL COOLER BZT 2000 Series 2722089-13 FIGURE 13 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 13-1 2720997 S ENGINE DECK W/LABS 13-2 2722339.7 BRKT-FRONT COOLER 13-3 2722338.7 BRKT-OIL COOLER 13-4 2720891.7 SCREEN-OIL COOLER 13-5 2188173 COOLER-OIL 13-6 2186211 S HYD RSRVR W/LABS (69053-05 IS A SERVICEABLE LENGTH OF 55") 13-7A 69053-05 3/8 HIGH TEMP HOSE 26"...
  • Page 54 OIL COOLER-LIQUID COOLED BZT 2000 Series FIGURE 14...

  • Page 55: Oil Cooler-Liquid Cooled

    OIL COOLER-LIQUID COOLED BZT 2000 Series 2722089-14 FIGURE 14 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 14-1 2720997 S ENGINE DECK W/LABS 14-2 2722424.7 BRKT-UPPER OIL COOLER 1 14-3 2722371.7 BRKT-OIL COOLER 223LC 14-4 2720891.7 SCREEN-OIL COOLER 14-5 2188173 COOLER-OIL 14-6 2186211...
  • Page 56 SEAT ASSEMBLY & ROPS BZT 2000 Series FIGURE 15...

  • Page 57: Seat Assembly & Rops

    SEAT ASSEMBLY & ROPS BZT 2000 Series 2187026 FIGURE 15 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 15-1 2720975 SEAT-SUSPENSION (INCLUDES ITEMS 2-10) 2720975-01 SEAT CUSHION 2720975-02 BACK CUSHION 2720975-05 CABLE ASSEMBLY (INTERNAL SEAT COMPONENT NOT ILLUSTRATED) 2720975-08 ASSY-SEAT BACK PANEL 15-2 2721093 RH ARM REST...
  • Page 58 ELECTRIC DECK LIFT BZT 2000 Series FIGURE 16...

  • Page 59: Electric Deck Lift

    ELECTRIC DECK LIFT BZT 2000 Series 2722089-16 FIGURE 16 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 16-1 2722723.5 WLDMT-CRADLE 16-2 64237-03 LOCKNUT-NYLN M10-1.5 16-3 2000791 LBL-OUTSIDE HOC 16-4 2182523.7 PLATE-HEIGHT ADJ OUTER 1 16-5 2183071-03 SPACER 16-6 2182524.7 PLATE-HEIGHT ADJ INNER 1 16-7 2000790 LABEL-INNER HOC...
  • Page 60 STEERING/INSTRUMENTS BZT 2000 Series FIGURE 17...

  • Page 61: Steering/Instruments

    STEERING/INSTRUMENTS BZT 2000 Series 2722089-17 FIGURE 17 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 17-1 2720997 S ENGINE DECK W/LABS 17-2 48030N HOUR METER ASSY 17-3 2188161 VALVE-TANK SELECTOR 17-4 108009-04 CONTROL-CHOKE 40.0 (USE WITH KOHLER ENGINES) 108009-03 CONTROL-CHOKE 51.0 (USE WITH KAWASAKI &...
  • Page 62 CRADLE & CASTER ASSEMBLY BZT 2000 Series FIGURE 18...

  • Page 63: Cradle & Caster Assembly

    CRADLE & CASTER ASSEMBLY BZT 2000 Series 2722089-18 FIGURE 18 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 18-1 48043-03C S CUP,OUTER BEARING 18-2 2721306.5 WLDMT-CASTER YOKE 18-3 DECK W/LABS 18-4 64123-215 BOLT-HEX 3/4-10X7 1/2 18-5 2722228 WHEEL-13X5.00-6 ASSY (INCLUDES ITEMS 6, 7 & 9) 18-6 2720475-01 TIRE-13X5.00-6 SMOOTH 18-7...
  • Page 64 48" SIDE DISCHARGE BZT 2000 Series FIGURE 19...

  • Page 65: 48" Side Discharge

    48" SIDE DISCHARGE BZT 2000 Series 2720442 FIGURE 19 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 19-1 112111-01 BLADE 16.25 OFFST HLFT 19-53 64205-007 BLT-MET M10-1.5 X 20 19-2 128169 PULLEY, IDLER 5.50 19-54 64166-17 BLT-SHLDR 3/8-16 X 1.12 19-3 2183070-01 SHAFT-SPINDLE LONG 19-55...

  • Page 66: 52" & 61" Side Discharge

    52" & 61" SIDE DISCHARGE BZT 2000 Series FIGURE 20 2186207-ASSY TOP MOUNT SPINDLE 2186205-ASSY TOP MOUNT SPINDLE (INCLUDES ITEMS 33-37) 2720759-ASSY TOP MNT SPINDLE 52" 2720758-ASSY TOP MNT SPINDLE 52" (INCLUDES ITEMS 34-37, 49)
  • Page 67 52" & 61" SIDE DISCHARGE BZT 2000 Series 2722089-20 FIGURE 20 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 20-1 4113651 S 52INCH DECK W/LABELS 20-35 38348-01 BEARING-SPINDLE 20-2 2182458.5 BELT COVER RH 20-36 64144-38 SNAP-RING 20-37 2183070-01 SHAFT-SPINDLE LONG (USE ON 52"...
  • Page 68 BELTS BZT 2000 Series FIGURE 21...

  • Page 69: Belts

    BELTS BZT 2000 Series 2720451 FIGURE 21 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 21-1 2188176 BELT-CUTTERDECK 54 21-2 2188175 BELT-PTO 54 (USE ON 52" SD DECK) 21-3 128003 BELT-CUTTERDECK 21-4 2188134 BELT-PTO (USE ON 61" SD DECK) 21-5 128110 BELT-CUTTERDECK 21-6...

This manual is also suitable for:

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