Bunton 642230 Setup, Parts & Maintenance Manual Download Page 14 | Manualshive

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12

BZT 2000

EFI Series

MAINTENANCE

FUEL SYSTEM

Before attempting to service any

part of the fuel system, the pressure must be relieved.

Refer to section 5B of the engine manual.

A low pressure filter

C

is located on the kickplate as

shown. Inspect at every oil change and replace when
necessary.

A high pressure fuel filter

S

is located as shown. The

fuel in this filter is always under pressure. The filter
should be replaced every 1500 hours of operation.

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Summary of Contents for 642230

Page 1: ...roper use warned of its dangers and should read the entire manual before attempting to set up operate adjust or service the machine SETUP PARTS MAINTENANCE MANUAL BZT 2000 EFI SERIES Operation Safety...

Page 2: ...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 a...

Page 3: ...ton s products You can trust Bunton replacement parts because they are manufactured with the same high precision and quality as the original parts Bunton designs and builds its equipment to serve many...

Page 4: ...anufacture modifications and or accessories should personal injury and or property damage result This symbol means ATTENTION BECOME ALERT Your safety and the safety of others is involved Signal word d...

Page 5: ...e controls 1 INSTALL SEAT a Position seat over seat plate P and route seat wire W through hole H in seat plate Drop seat mounting studs through seat plate holes Secure studs with four 5 16 18 whiz nut...

Page 6: ...nt to rear lay a straight edge on the deck first then place the level on the straight edge c Lay a 1 8 spacer beneath the front of the level for the side discharge and under the rear for mulching d Ad...

Page 7: ...ll the battery to the bottom of the vent wells with acid and trickle charge for several hours Replace the battery in the machine and make the connections red to positive first then black ground to neg...

Page 8: ...e h t t l u s n o C p u p o T k c e h C l e v e L l i O X s k a e L r o f k c e h C X e k a t n I r i A n a e l C n e e r c S X r e n a e l C r i A n a e l C r e n a e l c e r P X r e n a e l C r i A...

Page 9: ...______________ _______________________________________________________________ ____________________________________________________________ ____________________________________________________________...

Page 10: ...stem to prevent engine cutout when traversing rough terrain Repair machine before using if the Operator Presence Interlock System does not operate correctly in start or run Contact your authorized Bun...

Page 11: ...rdeck under each fuel tank 2 Brake lever pivot 1 point 3 Deck idler pivot bearings 2 points 4 Deck lift pivots 6 points 5 Hydro belt tensioner 1 point under engine deck 6 Caster wheel pivots 2 points...

Page 12: ...IC OIL CHANGES Change the hydraulic fluid and hydraulic filter after each 500 hours of operation using the same procedure given above NOTES Before servicing the hydraulic system stop the engine discon...

Page 13: ...ine 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 o...

Page 14: ...relieved Refer to section 5B of the engine manual A low pressure filter C is located on the kickplate as shown Inspect at every oil change and replace when necessary A high pressure fuel filter S is l...

Page 15: ...to information in the engine manufacturer s manual MAINTENANCE AIR CLEANER Clean and replace the air cleaner element as specified in the service chart Uneven running lack of power or black exhaust fum...

Page 16: ...ng Always use Bunton blades Use of another manufacturer s blades may be dangerous BLADE BALANCE Blade balance must be maintained at 5 8 oz in 19 4 g cm or less Failure to keep blades balanced causes e...

Page 17: ...roller adjustment 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...

Page 18: ...ng D loaded idler pulley Proper belt tension is maintained with a minimum spring dimension of 3 7 8 77mm Keep this area clean and periodically inspect the cutterdeck belt for abnormal wear and proper...

Page 19: ...ischarge and under the rear for mulching d Adjust nuts M until the level s bubble is centered Repeat for the other side of the deck ADJUSTMENTS DECK LEVELING 72 NOTE These instructions are in regards...

Page 20: ...one end of rods M at brakes on both sides of the machine 3 Move the parking brake lever to the ON position 4 Adjust rods M on each brake to be 3 4 short of connecting to the spring when all the slack...

Page 21: ...te the turnbuckle until the corresponding wheel stops turning Lock the turnbuckle jam nuts Run the engine up to high idle to check the adjustment Readjust if necessary 7 Repeat steps 5 and 6 for the o...

Page 22: ...ts 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 2 Attach a short...

Page 23: ...everse order Take care to get the new belt on the correct side of the belt guides 5 Re install engine cutterdeck belt see engine cutterdeck belt replacement BELT REPLACEMENT 72 CUTTERDECK BELT Before...

Page 24: ...lades is off and the traction levers are in the neutral lock position A time delay eliminates annoying engine cutout from operation over rough terrain CONTROLS Throttle choke power takeoff PTO clutch...

Page 25: ...e m e l E l a u D M E T S Y S N O I T I N G I c i n o r t c e l E M E T S Y S G N I G R A H C d e t a l u g e r p m a 5 1 Y R E T T A B 1 U p u o r g I C B S E S U F A 0 3 n i a M A 0 2 U C E A 0 1 p...

Page 26: ...IC TORQUES BLADE BOLT TORQUE 70 FT LBS 95 Nm WHEEL HUB NUTS 225 FT LBS 237 Nm ENGINE CRANKSHAFT BOLT 50 FT LBS 68 Nm S K C E D R E T T U C R E B M U N L E D O M 0 3 2 2 4 6 1 3 2 2 4 6 E P Y T e g r a...

Page 27: ...25 BZT 2000 EFI Series PARTS SECTION PARTS SECTION...

Page 28: ...26 BZT 2000 EFI Series FIGURE 1 UPPER ENGINE DECK ASSY...

Page 29: ...TE 2 1 24 64188 02 PIN CLEVIS 5 16 X 1 2 1 25 64168 2 HAIRPIN COTTER 2 1 26 64025 03 NUT HEX 5 16 24 2 1 27 2188139 SPRING COMPRESSION 2 1 28 2721246 DAMPENER 2 1 29 4112105 7 WLDMT TRACTN CTRL RH 1 4...

Page 30: ...28 BZT 2000 EFI Series FIGURE 2 LOWER ENGINE DECK ASSY CLUTCH...

Page 31: ...2 12 64006 06 LCKWSHR HELICAL 7 16 1 2 13 64265 04 NUT FL NYL LOCK M8 1 25 2 2 14 2308000 PULLEY IDLER 4 00 E O D 1 2 15 2306082 7 WLDMT IDLER ARM 1 2 16 85010N STRAIGHT ZERK FITTING 1 2 17 64163 65 W...

Page 32: ...30 BZT 2000 EFI Series FIGURE 3 CRADLE ASSEMBLY 61...

Page 33: ...STRAIGHT FTTG 1 3 13 2183077 SPACER DECKLIFT 2 3 14 2721860 MAT MIDDLE 1 3 15 2721861 MAT UPPER 1 3 16 2721859 MAT LOWER 1 3 17 32418 04 HANDLE W SLOT 1 3 18 64215 07 RIVET POP IFI 84 2 3 19 64265 05...

Page 34: ...32 BZT 2000 EFI Series FIGURE 4 DECALS...

Page 35: ...91 LABEL HYDR OIL FILL 1 4 6 2721555 LABEL CONTROL PANEL 1 4 7 2000693 LABEL PARK BRAKE 1 4 8 2000698 LABEL DBL FUEL LEAKS 2 4 9 4114158 LABEL TIRES 1 4 10 2000700 LABEL RH TRACTION 1 4 11 2000701 LAB...

Page 36: ...34 BZT 2000 EFI Series FIGURE 5 BUMPER...

Page 37: ...LABS 1 5 3 2721324 7 WLDMT BUMPER 1 5 4 64263 013 BLT FLG HD M10 1 5 X 30 QTY 6 USED ON 72 QTY 12 USED ON 61 5 5 64265 05 NUT FL NYL LOCK M10 1 5 10 5 6 64251 004 WASHER MET M10 4 5 7 2721932 7 BRACE...

Page 38: ...36 BZT 2000 EFI Series FIGURE 6 BRAKES REAR WHEEL...

Page 39: ...FITTING 1 6 22 64144 34 SNAP RING 50 1 6 23 2188145 BRG 75ID BRNZ SLF ALIGN 2 6 24 64123 15 BLT HEX 3 8 16X3 4 4 6 25 64141 4 NUT WLF 3 8 16 4 6 26 64188 03 S PIN CLEVIS 3 8X1 1 8 2 6 27 64168 2 HAIR...

Page 40: ...38 BZT 2000 EFI Series FIGURE 7 HYDRAULICS...

Page 41: ...90 BRB 9 16 18X 38 2 7 6 108205 03 ELBOW MALE 45 37 ORB 4 69053 05 IS A SERVICEABLE LENGTH OF 55 7 7A 69053 05 3 8 HIGH TEMP HOSE 22 1 7 7B 69053 05 3 8 HIGH TEMP HOSE 19 1 7 7C 69053 05 3 8 HIGH TEM...

Page 42: ...40 BZT 2000 Series FIGURE 8 HYDROGEAR PUMP...

Page 43: ...BEARING 17 X 40 X 12 1 8 20 51161 LIP SEAL 17 x 40 x 12 1 8 21 50951 SPACER 1 8 22 50329 RETAINING RING 1 8 25 70331 2721615 08 CYLINDER BLOCK KIT 1 8 29 2003014 BLOCK SPRING 1 8 30 2003017 BLOCK THRU...

Page 44: ...42 BZT 2000 EFI Series FIGURE 9 DECALS CUTTERDECKS...

Page 45: ...LABEL WARNING BLADES 1 USED ON 61 DECKS ONLY 9 2 2000577 LABEL WARNING 2 9 3 2000696 LBL BLADE INSTALL 1 USED ON 61 DECKS ONLY 9 4 2000677 LABEL DANGER WARNING USE QTY 2 ON 72 DECKS USE QTY 1 ON 61 DE...

Page 46: ...RELAY 40AMP SEALED 3 10 10 2188154 MODULE DELAY 1 10 11 2188153 SWITCH CLUTCH 1 10 12 2721337 CLUTCH ELECTRIC 1 10 13 2720949 ASSY CLUTCH WIRE 1 10 14 108208 SWITCH DBL POLE 2 10 15 2188156 SWITCH NO...

Page 47: ...45 KOHLER WIRE HARNESS 2722185 10 FIGURE 10 BZT 2000 EFI Series...

Page 48: ...46 BZT 2000 EFI Series FIGURE 11 FUEL TANKS CONTROL PANEL...

Page 49: ...8 11 22 4113704 COUPLER 1 4 NYL HSE 1 11 23 2721945 GAUGE REMOTE FUEL 2 2722127 01 IS A SERVICEABLE LENGTH OF 60 11 24A 2722127 01HOSE 5 16 FUEL EFI 5 5 1 11 24B 2722127 01HOSE 5 16 FUEL EFI 3 25 1 11...

Page 50: ...48 BZT 2000 EFI Series FIGURE 12 ELECTRIC DECK LIFT 72...

Page 51: ...R LINEAR 12VDC 1 12 14 64205 009 BLT MET M10 1 5X65 4 12 15 2721644 7 PLATE BOLT 2 12 16 2722614 5 WLDMT ELECTRIC LIFT 1 12 17 64205 055 BLT MET M16 2 0 X 50 1 12 18 64163 78 WASHER 635 X 2 00 1 12 19...

Page 52: ...50 BZT 2000 EFI Series FIGURE 13 OIL COOLER ECU...

Page 53: ...0 32 2 13 9 88042 04 CLAMP HOSE 5 8 4 13 10 58026 01 3 WAY CONNECTOR 3 8 1 13 11 2722296 7 ARM BUMPER 2 ITEMS 12 13 INCLUDED WITH ENGINE 13 12 FUSES 2 13 13 ECU 1 13 14 64265 05 NUT FL NYL LOCK M10 1...

Page 54: ...52 BZT 2000 EFI Series FIGURE 14 SEAT ASSEMBLY ROPS...

Page 55: ...EAT NO 1 14 5 64123 69 BLT HEX 5 16 18X1 1 2 2 14 6 64123 49 BLT HEX 1 4 20X1 2 2 14 7 2720975 04SLIDE RAIL ADJ 1 14 8 2720975 03SLIDE RAIL SLAVE 1 14 9 2720975 06SPACER NYLON 5 8 2 14 10 2720975 07SP...

Page 56: ...54 BZT 2000 EFI Series FIGURE 15 ELECTRIC DECK LIFT 61...

Page 57: ...1644 7 PLATE BOLT 2 15 16 2186192 5 WLDMT ELECTRIC LIFT 1 15 17 64205 055 BLT MET M16 2 0 X 50 1 15 18 64163 78 WASHER 635 X 2 00 1 15 19 2183084 SPACER 16 25X50 8X8 5LG 1 15 20 2182522 7 LEVER DECKLI...

Page 58: ...56 BZT 2000 EFI Series FIGURE 16 STEERING INSTRUMENTS...

Page 59: ...BRKT TRACTION LEVER 2 16 7 2183074 BRACKET HANDLE 2 16 8 2188144 GRIP 75 IDX12 2 16 9 2188145 BEARING SELF ALIGNED 4 16 10 64123 15 BLT HEX 3 8 16X3 4 8 16 11 64141 4 NUT WLF 3 8 16 8 16 12 4112105 7...

Page 60: ...58 BZT 2000 EFI Series FIGURE 17 CRADLE CASTER ASSEMBLY...

Page 61: ...07 LOCKNUT NYLON 3 4 10 2 17 13 85010N ZERK 1 4 28 STR SLF THD 9 17 14 2188135 DUST COVER 2 17 15 48043 04C S CONE OUTER BEARING 4 17 16 64205 029 BLT MET M12X1 75X40 8 17 17 64246 04 NUT WHIZ M12 1 7...

Page 62: ...60 BZT 2000 EFI Series FIGURE 18 61 SIDE DISCHARGE...

Page 63: ...2 1 18 31 64163 46 WSHR 383 393 X 7 GA 6 18 32 2186125 WLDMT LOCK PSHBR 2 18 33 2191000 7 SPINDLE HOUSING 3 18 34 38315 NUT SPINDLE 3 18 35 38348 01 BEARING SPINDLE 6 18 36 64144 38 SNAP RING 3 18 37...

Page 64: ...62 BZT 2000 EFI Series FIGURE 19 BELTS...

Page 65: ...TEM PART NO DESCRIPTION QTY BZT 2000 EFI Series 19 1 128003 BELT CUTTERDECK 1 19 2 2722224 BELT PTO 2 USE ON 61 DECKS ONLY 19 3 3970215 BELT BLADE TO BLADE 1 19 4 2722554 BELT PTO 1 USE ON 72 SD DECKS...

Page 66: ...64 BZT 2000 EFI Series FIGURE 20 72 SIDE DISCHARGE...

Page 67: ...4 20 42 64001 1 NUT HEX JAM 5 8 18 1 20 43 64018 15 BLT CRG 5 16 18X1 20 20 44 64018 18 BLT CRG 3 8 16X2 1 20 45 64123 16 BOLT 3 20 46 64123 171 BOLT HEX 3 8 16X3 1 2 1 20 47 64123 206 BLT HEX 5 8 11X...

Page 68: ...66 BZT 2000 EFI Series FIGURE 21 CRADLE ASSEMBLY 72...

Page 69: ...13 2722630 CLIP DECK HEIGHT ADJ 4 21 14 2722723 5 WLDMT CRADLE 1 21 15 3010329 LAMP FLOOD 12V 1 21 16 3010330 KIT SNAP MOUNT BEZEL 1 21 17 32418 04 HANDLE W SLOT 1 21 18 4109960 ROD DECK LIFT 2 21 19...

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