BigDog diablo mp bac-vac Operator's Manual
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BigDog diablo mp bac-vac Operator's Manual

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BIGDOG
MOWER CO. DIABLO
MP BAC-VAC™
®
®
Operator's Manual
200 South Ridge Road
Hesston, Kansas
67062
121913
REV B

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  • Page 1 BIGDOG MOWER CO. DIABLO MP BAC-VAC™ ® ® Operator’s Manual 200 South Ridge Road Hesston, Kansas 67062 121913 REV B...
  • Page 2 REV B 121913...

  • Page 3: Table Of Contents

    Table of Contents General Information ..........1-1 To The New Owner .
  • Page 4 REV B toc-2 121913...

  • Page 5: General Information

    GENERAL INFORMATION To The New Owner to validate your warranty protection. As the new equipment owner, you should confirm that your Big Dog Mowers Dealer ® has registered your attachment with Big Dog Mowers. The purpose of this manual is to assist owners and opera- ®...
  • Page 6 REV B 121913...

  • Page 7: Safety Precautions

    SAFETY PRECAUTIONS  Never leave a running mower unattended. Before leav- ing the operator’s seat for any reason, including emp- tying the catcher or unclogging the chute: • Always stop on level ground. • Disengage the deck clutch. • Place the steering control levers in the park brake position.

  • Page 8: Safety And Instruction Decals

    Safety and Instruction Decals DANGER: The decals are designed to give the operator brief informa- Rotating blades, pulleys & belts tion needed in the daily operation and service of the mower. • Keep shields and covers in place These decals are not intended to be used in place of this while machine is in operation manual but instead are to be used as an extension of this •...

  • Page 9: Assembly Instructions

    ASSEMBLY INSTRUCTIONS Packing List These instructions apply to the assembly of the Big Dog ® Mowers 934463 BAC-VAC™ to a Big Dog Diablo MP 60” or ® 72” mower with serial numbers 140400001 and higher. Part No. Description It is intended that these units be installed by trained Big 120332 BLOWER ASSEMBLY Mowers service personnel.

  • Page 10: Mower Deck Preparation

    Mower Deck Preparation 9. Install and route the blower belt around the blower pul- leys and the upper pulley on the double pulley. This belt is self-tensioning. Figure 3-1 1. Before proceeding: • Park the mower on level ground. • Disengage the deck clutch. •...

  • Page 11: 122170 (60") Adapter Assembly

    122170 (60") Adapter Assembly Outlet tube and adapter assembly Existing hardware Existing hardware Discharge cover Existing hardware Torque to 65- 75 ft.-lbs. Blower assembly Existing hardware Existing Notch Existing hardware Existing hardware Existing hardware Existing hardware Deck discharge opening INDEX NO. PART NO.

  • Page 12: 122171 (72") Adapter Assembly

    122171 (72") Adapter Assembly Outlet tube and adapter assembly Existing hardware Existing hardware Discharge cover Existing hardware Torque to 65-75 ft.-lbs. Blower assembly Existing hardware Existing Notch Existing hardware Existing hardware Existing hardware Existing hardware Deck discharge opening INDEX NO. PART NO.

  • Page 13: Mower Preparation

    Mower Preparation Allow the engine and muffler to cool before assem- bling the unit to the mower. 1. Attach the correct muffler extension to the muffler out- let tube using the self tapping screw shown. Figure 3-4 Muffler outlet tube IMPORTANT: Tailpipe and tailpipe extension become very hot during operation.

  • Page 14: Frame Cover Assembly Installation

    Frame Cover Assembly Installation 1. Raise the seat and seat platform to allow access to the area underneath the seat. 2. The BAC-VAC™ frame harness should be routed on the mower as shown. Figure 3-6 A. Remove this hardware B. Existing left side frame cover Figure 3-8 A.
  • Page 15 A. Cap B. Auxiliary connector A. Frame harness C. Main mower harness B. Wire tie body Figure 3-10 Figure 3-12 A. Cap B. Auxiliary connector A. Frame harness C. Main mower harness B. Wire tie body Figure 3-11 Figure 3-13 12.
  • Page 16 A. Right side frame cover Figure 3-14 A. Wire tie D. Red wire B. Frame harness E. – Battery terminal C. Black wire F. + Battery terminal Figure 3-16 A. Switch C. Blue wire B. Orange/blue wire D. Orange/white wire Figure 3-17 A.
  • Page 17 A. Frame harness B. Wire ties Figure 3-20 A. Frame cover B. Existing hardware Figure 3-18 A. Frame harness B. Wire ties Figure 3-19 121913 REV B...

  • Page 18: Final Connection

    Final Connection 2. Roll the BAC-VAC™ to the mower and slide the lower hooks over the rod on the mount tube. Figure 3-21 1. Park the mower on a flat surface. Always place the NOTE: It is recommended that two people attach the hop- deck clutch switch in the disengaged position, place per to the mower mounts.
  • Page 19 5. Slide one end of the flex tube onto the blower outlet NOTE: When the BAC-VAC™ system is removed the air tube. Figure 3-24 pressure in the tires should be decreased to the normal operating range of 8 - 12 psi (55 - 83 KPa). 6.

  • Page 20: Weight Assembly

    Weight Assembly INDEX PART NO. DESCRIPTION 118240 WEIGHT LOCK PLATE 792002 KNOB 5/16-18 X 3/4" 118242 WEIGHT MOUNT 604423 UB .375-16 X 2.00 X 4.50 SQ 603207 WEIGHT 086660 NT .375-16 HXZY NL 767954 FW .406 X .812 X .060 SAE 025395 CB .375-16 X 1.00 G5 Figure 3-25...

  • Page 21: Operation

    OPERATION Collecting and Vacuum Pickup Unloading the BAC-VAC™ Follow normal mower start-up and operating procedures as outlined in the mower’s operator’s manual. The blower will operate when the mower deck clutch switch is engaged. To stop the blower, return the deck clutch switch to the disen- Make certain the deck clutch switch is in the dis- gaged position.

  • Page 22: Removing The Bac-Vac

    5. Release the tension from the blower drive belt and remove it. Figure 4-2 NOTE: It is not necessary to remove the double pulley on the deck spindle. 6. Remove the pin that connects the blower to the dis- charge chute bracket tabs and remove the blower housing.
  • Page 23 mount brackets, slide the lower hooks off the mount tube and roll it away from the mower. 5. Re-insert the latching pins into frame mount for stor- age. Secure in place with the hair pins. Tuck the BAC- VAC™ frame harness under the left side latching pin for protection.
  • Page 24 REV B 121913...

  • Page 25: Maintenance & Storage

    MAINTENANCE & STORAGE Blower Housing and Flex Tube Maintenance To clean the hopper, hand wash with soap and water; rinse with clean water. Never work on the blower assembly or mower deck when the engine is running. Clean flammable material from the machine. Prevent fires by keeping the engine compartment, top of the deck, exhaust area, battery, hydraulic lines, fuel line, fuel tank and operator’s station clean of accumu-...

  • Page 26: Bac-Vac™ Hopper Switch Adjustment

    NOTE: Do not spray the linear actuator with the pressure tightening the screws. Figure 5-4 Repeat the test and adjustment until the door stops its washer. opening motion before the actuator ratchets. It will be necessary to lubricate the three grease points 3.

  • Page 27: Blower Impeller

    Blower Impeller The blower impeller shaft bearings do not require lubrica- tion. Normal wear can cause the impeller and edges of the blower to become sharp. Wear gloves and use caution when servicing the blower. Storage When your mower is to sit idle for a period of time, scrape and power wash to remove the grass material from inside the BAC-VAC™.
  • Page 28 REV B 121913...

  • Page 29: Bac-Vac™ Warranty Policy

    BAC-VAC™ Warranty Policy Excel Industries, Inc. manufacturer (“Manufac- an authorized Big Dog Mowers dealer later ® than thirteen (13) months from date of deliv- turer”) of Big Dog mowers makes the following war- ® ery. ranty to the original purchaser only: Within a reasonable time after such notifica- Mower attachments...
  • Page 30 Disclaimer Of Warranty No Other Warranties THE FOREGOIN GWARRANTIES ARE IN LIEU OF ALL Unless modified in writing, signed by both parties, OTHER WARRANTIES, EXPRESSED OR IMPLIED, and approved by the President of Manufacturer of Big INCLUDING BUT NOT LIMITED TO THE IMPLIED WAR- mowers, this agreement is understood to be the ®...

  • Page 31: Parts List

    PARTS LIST 60" Deck Adapter........7-2 72"...

  • Page 32: 60" Deck Adapter

    60" Deck Adapter REV B 121913...
  • Page 33 60" Deck Adapter INDEX NO. PART NO. QTY. DESCRIPTION 603324 BLOWER CHUTE 025395 CB .375-16 X 1.00 G5 ZNY 114066 OUTLET ADAPTER 552081 CENTER DRIVE COVER (WITH DECALS) 601837 DECK DANGERS DECAL 601624 DISCHARGE CHUTE DECAL 792002 KNOB 5/16-18 X 3/4" 767954 FW .379 X .813 X .063 054502...

  • Page 34: 72" Deck Adapter

    72" Deck Adapter REV B 121913...
  • Page 35 72" Deck Adapter INDEX NO. PART NO. QTY. DESCRIPTION 603324 BLOWER CHUTE 025395 CB .375-16 X 1.00 G5 ZNY 114066 OUTLET ADAPTER 552082 CENTER DRIVE COVER (WITH DECALS) 601837 DECK DANGERS DECAL 601624 DISCHARGE CHUTE DECAL 792002 KNOB 5/16-18 X 3/4" 767954 FW .379 X .813 X .063 054502...

  • Page 36: Frame

    Frame REV B 121913...
  • Page 37 Frame INDEX NO. PART NO. QTY. DESCRIPTION 115706 FRAME 808485 RIVET NUT, 5/16-18 THREAD 015495 GREASE FITTING STRAIGHT 603940 DFS CATCHER DECAL 603967 PINCH POINT DECAL 808477 1/4-20 THREAD RIVET NUT NOTES: 121913 REV B...

  • Page 38: Shell

    Shell SHELL FRAME SHELL REV B 121913...
  • Page 39 Shell INDEX NO. PART NO. QTY. DESCRIPTION 603794 LINEAR ACTUATOR 781567 NT .500-13 HX G8 ZY NL 767962 FW .531 X 1.063 X .175 721910 CS .500-13 X 2.75 HX G5 Z 058776 NT .312-18 HX ZY NL 768523 FW .343 X .687 X .051/.080H 603796 SHELL 034280...

  • Page 40: Lid

    13 15 12 13 REV B 7-10 121913...
  • Page 41 INDEX NO. PART NO. QTY. DESCRIPTION 058776 NT .312-18 HX ZY NL 768523 FW .343 X .687 X .051/.080H 036236 CS .312-18 X 1.00 HX G5 712927 FW .344 X 1.00 X .12 HRD Z 115919 SPACER 601069 CN .312-18 X .20 MAX THK 115882 SCREEN 016253...

  • Page 42: Linkage

    Linkage SHELL ASSEMBLY ASSEMBLY REV B 7-12 121913...
  • Page 43 Linkage INDEX NO. PART NO. QTY. DESCRIPTION 603879 HINGE PIN 767954 FW .379 X .813 X .063 603332 CLIP 603113 CB .375-13 X 1.25 G5 ZN 054502 NT .375-16 HX G5 ZNY 603878 TURNBUCKLE 073858 FW .406 X .75 X .25 ZNYC 005116 CS .375-16 X 1.375 HX G5 NOTES:...

  • Page 44: Frame Adapter

    Frame Adapter REV B 7-14 121913...
  • Page 45 Frame Adapter INDEX NO. PART NO. QTY. DESCRIPTION 705954 CS .500-13 X 1.25 HS G5 767962 FW .531 X 1.063 X .175 116714 MOUNT SPACER 008193 NT .500-13 HX G5 ZNYC 118150 RS MOUNT 017616 CS .500-13 X 1.75 HX G5 078386 FW .510 X 1.75 X .18 ZNYC 115933...

  • Page 46: Shell Electric

    Shell Electric SHELL FRAME SHELL ASSEMBLY REV B 7-16 121913...
  • Page 47 Shell Electric INDEX NO. PART NO. QTY. DESCRIPTION 115711 ACTUATOR TOP LID 808485 5/16-18 THREAD RIVET NUT 034280 CS .312-18 X .75 HX G5 768523 FW .343 X .687 X .051/.080H 116213 CONTROL BOX COVER 601822 NUT PLATE .420 CENTERS 603937 PLUNGER SWITCH 116200...

  • Page 48: Wire Harness

    Wire Harness REV B 7-18 121913...
  • Page 49 Wire Harness INDEX NO. PART NO. QTY. DESCRIPTION 553164 FRAME COVER (WITH DECAL) 600899 PUMP BELT WARNING DECAL 604049 HOPPER POSITION DECAL 797308 ROCKER SWITCH 785139 LS STEERING DECAL 601069 CN .312-18 X .20 MAX THK 767954 FW .379 X .813 X .063 036244 CS .375-16 X 1.00 HX G5 000331...

  • Page 50: Blower-552623-S/N 14040001 & Higher

    Blower—552623—S/N 14040001 & Higher REV B 7-20 121913...
  • Page 51 Blower—552623—S/N 14040001 & Higher INDEX NO. PART NO. QTY. DESCRIPTION BLOWER HOUSING (NOT SOLD SEPARATELY) 058776 NT .312-18 HX ZY NL 768523 FW .343 X .687 X .051/.080H 119870 TOP WRAPPER INSERT 016253 CB .312-18 X .75 FUL ZN 119871 BOTTOM WRAPPER INSERT 119510 BLOWER IMPELLER...
  • Page 52 Blower—552623—S/N 14040001 & Higher 33 32 REV B 7-22 121913...
  • Page 53 Blower—552623—S/N 14040001 & Higher INDEX NO. PART NO. QTY. DESCRIPTION 068551 NT .250-20 HX ZY NL 768515 FW .281 X .625 X .066 120615 COVER PLATE 794784 CB .250-20 X .75 FUL ZN 792002 KNOB 5/16-18 X 3/4" 036236 CS .312-18 X 1.00 HX G5 120266 PULLEY COVER 601069...
  • Page 54 Blower—552623—S/N 14040001 & Higher REV B 7-24 121913...
  • Page 55 Blower—552623—S/N 14040001 & Higher INDEX NO. PART NO. QTY. DESCRIPTION 600296 DECK IDLER SPACER 791566 IDLER PULLEY 3.25" OD X .6 028118 FW .625 X 1.00 X .134 ZNYC 016642 CS .625-11 X 2.00 HX G5 Z 016972 NT .625-11 HX G5 ZNYC 781567 NT .500-13 HX G8 ZY NL 767962...
  • Page 56 REV B 7-26 121913...
  • Page 57 INDEX PAGE PAGE BAC-VAC™ Assembly ..........3-10 Mower Preparation ............ 3-5 BAC-VAC™ Hopper Packing List ............5-1 .............. 3-1 BAC-VAC™ Hopper Switch Adjustment Parts and Service ......5-2 ............1-1 BAC-VAC™ Mount Assembly Removing The BAC-VAC™ ........3-5 .......... 4-2 Blower Drive Belt ............5-1 Safe Operation and Service Precautions ....

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