Honda RM752A Operator's Manual
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Honda RM752A Operator's Manual

Honda RM752A Operator's Manual

Rear mower for multi-purpose tractors
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Summary of Contents for Honda RM752A

  • Page 3: Table Of Contents

    SPECIFICATIONS INTRODUCTION ... CHECK LISTS GENERAL INFORMATION SAFETY RULES SAFETY DECALS TORQUE CHART ... ASSEMBLY OPERATION OWNER SERVICE ... DEALER MAINTENANCE TROUBLE SHOOTING INDEX TO PARTS LISTS INDEX WARRANTY SERVICE Cutting Width Cutting Height Range Shipping Weight (approximate) Blade RPM Blade Tip Speed (feet per minute) Blade Spindle Number of Blades...

  • Page 4: Introduction

    Thank you for purchasing an HTA attachment for your Honda Tractor. This manual covers the assembly, operation, and maintenance of the HTA Model RM752A Rear Mower. For your convenience, a parts guide and detailed warranty information are also included in this publication.

  • Page 5: Pre-Delivery Check List

    PRE-DELIVERY CHECK LIST Inspect the mower thoroughly after assembly to ensure it is set up properly before delivering it to the customer. The following check lists are a reminder of points to inspect. Check off each item as it is found satisfactory or after proper adjustment is made.

  • Page 6: Operational Safety

    ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Safety is a' primary concern in the design and manufacture our products. Unfortunately, our efforts to provide safe equipment can be wiped out by a single careless act of an operator. In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training of...

  • Page 7: Maintenance Safety

    ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! (Safety Rules continued from previous page) Operate PTO at 2,000 rpm maximum. Do not operate PTO during transport. Make sure area behind you is clear before operating in reverse. not operate on steep slopes. Do not stop, start or change directions suddenly on slopes.

  • Page 8: Safety Decals

    ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! DO NOT OPEN BLADE ACCESS COVER UNTIL ALL COMPONENTS AVE STOPPED. TO AVOID READ OPERATOR'S MANUAL & FOLLOW ALL SAFETY PRECAUTIONS. (CONTACT DEALER FOR MANUALS.) KEEP SHIELDS AND GUARDS IN PLACE. KEEP CLEAR OF DRIVES AND BELTS.
  • Page 9 ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged! (Safety Decals continued from previous page) 2000 RPM PTO ONLY HIGHER PTO SPEEDS CAN CAUSE EQUIPMENT FAILURE AND PERSONAL INJURY. KEEP AWAY! ROTATING DRIVE LINE ENTANGLEMENT CAN CAUSE SERIOUS INJURY OR DEATH. KEEP ALL DRIVE SHIELDS AND GUARDS IN PLACE AND IN GOOD CONDITION.

  • Page 10: Torque Chart

    The chart lists the correct tightening torque for fasteners used on this equipment. When bolts are to be tightened or replaced, refer to this chart to determine the grade of and the proper toque except when specific torque values are assigned in manual text. SAE Grade 2 (No Dashes) Recommended Torque in Foot Pounds (Newton-Meters)

  • Page 11: Dealer Set-Up Instructions

    Be familiar with all safety practices on pages Make certain a l l movement of cutter components has stopped before openlng access blade cover. Always wear relatively tight and belted clothing to avoid entanglement parts. Wear sturdy, rough-soled work shoes and protective equlpment for eyes, hands, hearlng and head.
  • Page 12 Front Corner Baffle Installation Attach front corner baffle (5) up under mower frame as shown and attach with bolts (8) and flange lock- nuts (9). Ensure both slde skids, the left side shield and elther the dkcharge chute rlght slde shleid are installed.

  • Page 13: Check Chain Installation

    Attach caster arm (2) to the frame rail as shown with bolt and flange locknut adjustment brackets (3) frame rail and caster arm (2) as shown with carnage bolts (5) and flange lock- nuts Repeat for opposite caster. Do not tighten (6).
  • Page 14 NOTES F-7756 (1 0-89)

  • Page 15: Operation

    Safety is a primary concern in the design and manufacture of our products. Unfortunately, our efforts to provide safe equipment can be wiped out by ,a single careless act of an operator. In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the aware- ness, concern, prudence and proper training of...

  • Page 16: Attaching Mower To Tractor

    Attaching Mower to Tractor Tractor Stability (figure of tractor and equipment A minimum weight must be on tractor front wheels with mower transport position. Without this weight, tractor could tip over causing personal injury death. The weight may be attained with front wheel weights, ballast in tires or front tractor weights.

  • Page 17: Removing Mower From Tractor

    D c 3 w With cutting height selected, measure from the ground to straightedge at front and rear. The front should be level with, to not more than 1/2" lower than, the rear. Raise or lower tractor 3-point arms to accomplish this measurement.

  • Page 18: Pre-Operation Check List

    Pre-Operation Check List Operate PTO at rpm maximum. 2,000 Ensure both side skids, the left side shield and either the discharge chute or right side shield are installed. riders are allowed on tractor or mower. Do not allow children or unqualified persons to operate equipment.

  • Page 19: Uneven Terrain

    A side shield and discharge chute are provided for the right side. The side shield is best for normal mowing and shredding. The discharge chute is recommended when mowing extremely heavy material. For a professional touch in large open areas, try the mowing pattern in figure 10.

  • Page 20: Owner Service

    Be familiar with all safety practices on pages 4 and Make certain all movement of cutter compo- nents has stopped before opening blade access cover. Always wear relatively Ulght and belted clothing to avoid entanglement In moving parts. Wear sturdy, rough-soled work shoes and protective equipment for eyes, hands, hearing and head.

  • Page 21: Blade Servicing

    Drive Shaft Lubrication Lubricate the drive shaft slip joint every hours. Failure to maintain proper lubrication could result in damage to U-joints, gearbox and drive shaft. Lower mower to ground, disconnect drive shaft and apply a bead of grease all around the male half where meets the female half.
  • Page 22 Avoid excessive force during installation. Do not use to pry belt into pulley groove. Do tools over pulleys to install. This can cause hidden damage and premature belt failure. 1 . Flanged hex locknut 2. Locknut 3 . Adjustment bolt 4.

  • Page 23: Spindle Repair

    DEALER MAINTENANCE Be familiar with all safety practices on pages Make certain ail movement of cutter compo- nents has stopped before opening blade access cover. Always wear relatively tlght and belted clothing to avoid entanglement parts. Wear sturdy, rough-soled work shoes and protectlve equlpment for eyes, hands, hearing and head.
  • Page 24 083048 1. Blade spindle 2. Sleeve 3. 1-3/4 x 2-3/8" Flat washer 4. Seal 5. Bearing cone Spindle housing with cups 7. Bearing cup 8. Grease fitting Spindle shaft and crossbar Blade pin retainer washer Blade pin 12. 1/2 x 3/4" Nylok bolt 13.

  • Page 25: Owner Service

    Lubricate spindle with a medium grade grease. Rotate housing on spindle shaft, checking movement. Blade Spindle Installation Insert spindle through bottom of mower deck and secure with four mounting bolts. Be sure to position grease fitting toward lubrication access area. Refer to Lubrication in Owner Service section.
  • Page 26 Place top bearing cone on shaft (10) with top bearing cup (9). Install washer and nut on shaft (1 1) (12) tighten until all bearing free play is removed and there is a slight drag (similar to adjusting the front wheel bearings on an automobile).
  • Page 27 With snap rings removed, support drive in vise, hold yoke in hand and tap on yoke to drive cup out of yoke. See figure 082513 Figure 20 3 . Clamp cup in vise as shown in figure on yoke to completely remove cup from yoke. Repeat steps two and three for opposite cup.
  • Page 28 Figure 23 3 . Repeat assembly steps one and two to install remaining cups in remaining yoke. Move both yokes in all directions to check for free movement. Should movement be restricted, rap on yokes sharply with a hammer to relieve any tension, Repeat until yokes move in all directions both...
  • Page 29 NOTES F-7756 (1 0-89)

  • Page 30: Mowing Conditions

    TROUBLE SHOOTING Problem Grass cut lower in center Height of mower lower at rear of swath than at edge or front Streaking conditions in Conditions too wet for mowing swath Blades unable to cut that part of grass pressed down by path Dull blades Material discharges from...

  • Page 31: Index To Parts Lists

    INDEX TO PARTS LISTS MAIN FRAME ASSEMBLY MOUNTING FRAME ASSEMBLY FRONT DRIVE 81 SHIELD ASSEMBLY REAR DRIVE & SHIELD ASSEMBLY DRIVE SPINDLE ASSEMBLY BLADE SPINDLE ASSEMBLY F-7756 (1 0-89)

  • Page 32: Main Frame Assembly

    MAIN FRAME ASSEMBLY COMPLETE ENGLISH DECAL SET ENGLISH SAFETY DECAL FRENCH SAFETY DECAL SET F-7756 (1 0-89)
  • Page 33 Mllsaci Mower frame skid Left side Left side shield Caster wheel yoke assembly 10-1/4 Caster wheel with sleeve 5/8 ID Flange bearing for 1 -1/8 bore wheel -or- 3/4 ID Flange bearing for 1 -1/8 bore wheel -or- 5/8 ID Flange bearing for 13/8 bore wheel -or- 3/4 ID Flange bearing with groove...

  • Page 34: Mounting Frame Assembly

    MOUNTING FRAME ASSEMBLY F-7756 (1 0-89)
  • Page 35 J l h I l S e c a CW Blade spindle (see page 35) Twisted QD blade (for right hand rotation) -or- CW Welded fin blade (for right hand rotation) Mounting pin Category long A-Frame bar 1-1/16 121 D SAE Thread plastic caplug Check chain with hardware Front &...
  • Page 36 I & ! llseca Rear drive and shield L6W complete, 10" long 10" Tubular shaft and welded yoke U-Joint repair kit 6RW 1" Straight bore yoke L6R Inner U-joint, 9-1/4 long L6W Integral shield attaching kit 6W FRONT DRIVE & SHIELD ASSEMBLY N Q M REAR DRIVE 8t SHIELD ASSEMBLY P~~~~lRtlQIl...
  • Page 37 llseca r ! k Drive spindle assembly complete Drive spindle shaft 3116 x 1 Cotter pin Seal for 1-112 shaft Bearing cone #LM67048 Hub with cups Bearing cup #LM67010 28 Tapered thread grease fitting Bearing cup #LM11910 Bearing cone #LM11949 3/4 SAE Flat washer 3/4 NF Slotted hex nut Hub cap...

  • Page 38: Index

    INDEX ADJUSTMENTS Belt Tension Adjustment Cutting Height Adjustment Side Skid Adjustment ASSEMBLY Dealer Set-Up Instructions DEALER MAINTENANCE Blade Spindle Repair Drive Spindle Repair Universal Joint Repair GENERAL General Information Introduction Specifications Table of Contents Torque Chart OPERATION Attaching Mower to Tractor Check Chain Installation Cutting Height Adjustment Operating Technique...
  • Page 39 WARRANTY SERVICE IYour satisfaction and goodwill are important to your dealer and to us. explained in the Distributor's Limited be handled by your dealer's service department. handled to your satisfaction, we suggest you take the following action: Discuss your problem with a member of dealership management. Often complaints resolved at that level.

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