MASSEY FERGUSON 8792 Service Manual
  1. Manuals
  2. Brands
  3. MASSEY FERGUSON Manuals
  4. Farm Equipment
  5. 8792
  6. Service manual
MASSEY FERGUSON 8792 Service Manual

MASSEY FERGUSON 8792 Service Manual

Planter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
®
Massey Ferguson
8792 / 8776
Planter
SERVICE MANUAL
4283409M2
CONTENTS
GENERAL INFORMATION ....................................................................................................................................01
ROW UNIT ..............................................................................................................................................................02
DRIVE TRANSMISSION.........................................................................................................................................03
AIR SYSTEM ..........................................................................................................................................................04
HYDRAULICS ........................................................................................................................................................05
ELECTRICAL .........................................................................................................................................................06
FRAME ...................................................................................................................................................................07
TROUBLESHOOTING ............................................................................................................................................08
CONSOLES AND MONITORS...............................................................................................................................09
© AGCO Corporation, 2010 All rights reserved.
Part Number 4283409M2 (English)
Printed in U.S.A.
November 2010

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 8792 and is the answer not in the manual?

Questions and answers

Related Manuals for MASSEY FERGUSON 8792

Summary of Contents for MASSEY FERGUSON 8792

  • Page 1 ® Massey Ferguson 8792 / 8776 Planter SERVICE MANUAL 4283409M2 CONTENTS GENERAL INFORMATION ............................01 ROW UNIT ................................02 DRIVE TRANSMISSION............................03 AIR SYSTEM ................................04 HYDRAULICS ................................05 ELECTRICAL .................................06 FRAME ...................................07 TROUBLESHOOTING ............................08 CONSOLES AND MONITORS..........................09 © AGCO Corporation, 2010 All rights reserved.

  • Page 2: Table Of Contents

    Contents ® Massey Ferguson 8792 / 8776 Planter SERVICE MANUAL 4283409M2 01 - General Information Contents GENERAL INFORMATION General Information ............................01-1 Serial Number ..............................01-2 Serial Number Description (2010 and up) ..................... 01-2 SAFETY Safety Alert Symbol ............................01-3 Safety Messages ............................
  • Page 3 Contents NOTES 01-ii 4283409M2 Find manuals at https://best-manuals.com...
  • Page 4 Two basic models are available: Model 8792, 12 row wide (36, 38, or 40 inch) Model 8776, 16 row narrow (30 inch) WARNING: Pictures in this manual may show protective shields and guards opened or removed for illustration purposes.

  • Page 5: General Information General Information

    General Information SERIAL NUMBER FIG. 2: The serial number plate (1) is found on the rear of the frame near the blower. D-16109 FIG. 2 SERIAL NUMBER DESCRIPTION (2010 AND UP) A G C FIG. 3 FIG. 3: Description of the serial number for model year 2010 and up.

  • Page 6: Safety

    Safety SAFETY SAFETY ALERT SYMBOL FIG. 4: The safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Look for the safety alert symbol both in this manual and on safety signs on this machine. The safety alert symbol will direct your attention to information that involves your safety and the safety of others.

  • Page 7: Informational Messages

    Safety INFORMATIONAL MESSAGES The words IMPORTANT and NOTE are not related to personal safety, but are used to give additional information and tips for operating or servicing this equipment. IMPORTANT: Identifies special instructions procedures which, if not strictly observed, can result in damage to or destruction of the machine, process, or its surroundings.

  • Page 8: General Operation And Service

    Safety GENERAL OPERATION AND SERVICE Operating • Read and understand all the operating and safety • Tractor must be equipped with a rollover protective precautions before operating machinery. structure (ROPS), and a seat belt. Use seat belt during operation. • In addition to equipment configuration and design, hazard control and accident prevention depend on •...

  • Page 9: Agricultural Chemicals

    Safety Agricultural Chemicals Transporting • Ag chemicals can be very hazardous. Improper use • Use tractor of recommended size and weight to tow of fertilizer, fungicides, herbicides, insecticides and the machine. pesticides can injure people, plants, animals, soil and • Use good judgment when transporting planter on the other people's property.

  • Page 10: Servicing

    Safety Servicing • After repairing or adjusting the planter, remove all tools and parts from the machine before operating. • When working around discs, be careful to not get cut on sharp edges. • Lower the planter to the ground before attempting to remove a wheel for tire repair.
  • Page 11 Safety NOTES 01-8 4283409M2...

  • Page 12: Specifications

    Frame (Toolbar) Size ........................17.5 x 17.5 cm (7 x 7 in) Tires .................................. 9.5 L-15, 6-ply Drive Tire Pressure (max.) ..............242 kPa (35 psi) or maximum indicated on sidewall 8792-36 Rows ....................................12 Row Spacing..............................91 cm (36 in) Frame Type ............................ Over-center stack fold Overall Width (Less Markers)......................10.84 m (35 ft 7 in)

  • Page 13: Air System

    Specifications 8776 Rows ....................................16 Row Spacing..............................76 cm (30 in) Frame Type ............................ Over-center stack fold Overall Width (Less Markers)....................... 12.2 m (40 ft 2 in) Wing Width............................3.18 m (10 ft 5 in) Transport Width............................8 m (26 ft 2 in) Transport Height .............................

  • Page 14: Hydraulic System

    Specifications Minimum Ambient Temperature................-40 Celsius (-40 degrees Fahrenheit) Automatic Reset Thermal Protection .......................... Yes Hydraulic System Fluid Capacities: Ground Drive (approximate) 12-Row................................1.9 l (2 qt) Fluid Capacities: Hydraulic Drive (approximate) 16-Row................................. 28.8 l (7.6 qt) Operating Pressure Minimum..............................3447 kPa (500 psi) Maximum ............................20 684 kPa (3000 psi) Cylinders Marker ........................

  • Page 15: Approximate Shipping Weight

    Specifications Shear Pins, Bolts Row Unit Drive........................... 3/16 x 2-1/2 in cotter pin Main Drive.............................1/4 x 1 in bolt, Grade 2 Chemical Drive..........................5/32 x 1-1/4 in roll pin Marker .............................. M8 x 80, Grade 10.8 Transport Lights Number / Type ..................Two amber flashers, two red tail / brake lights Bulbs ..................................#1157 Approximate Shipping Weight 12-Row, 36 in ............................

  • Page 16: Tractor Requirements

    Specifications Tractor Requirements PTO speed............................. 540 or 1000 rev/min Minimum PTO power 8792-36..............................112 kW (150 hp) 8792-38..............................112 kW (150 hp) 8792-40..............................112 kW (150 hp) 8776-30..............................149 kW (200 hp) Planter Dry Weight 8792-36............................... 4475 kg (9865 lb) 8792-38.............................
  • Page 17 Specifications NOTES 01-14 4283409M2...

  • Page 18: Index

    Index INDEX Agricultural Chemicals ......... 01-6 General Information ..........01-1 Informational Messages ........01-4 Operating ............. 01-5 Safety Alert Symbol ..........01-3 Safety Messages ..........01-3 Safety Signs ............01-4 Serial Number ............01-2 Serial Number Description ........01-2 Servicing .............. 01-7 Specifications ............
  • Page 19 Index NOTES 01-16 4283409M2...
  • Page 20 Contents ® Massey Ferguson 8792 / 8776 Planter SERVICE MANUAL 4283409M2 02 - Row Unit Contents GAUGE WHEELS General Information ............................02-1 Gauge Wheels ............................... 02-1 Tire-to-Opener Clearance ........................02-1 Wheel Arm Endplay ..........................02-1 Gauge Wheel Mounting ........................... 02-2 Gauge Wheel Disassembly ........................
  • Page 21 Contents Linkage Maintenance ........................... 02-21 Removal ..............................02-21 Installation ............................. 02-21 DOWN PRESSURE SPRINGS General Information ............................. 02-23 Standard-Duty Springs ..........................02-23 Available Down Pressure ........................02-23 Heavy-Duty Springs ............................. 02-23 Available Down Pressure (Holes) ......................02-24 Adjusting Down Pressure ........................02-24 PNEUMATIC DOWN PRESSURE Air Compressor ............................
  • Page 22 Contents INDEX ................................02-55 4283409M2 02-iii...
  • Page 23 Contents NOTES 02-iv 4283409M2...

  • Page 24: Gauge Wheels

    Gauge Wheels GAUGE WHEELS GENERAL INFORMATION The row unit has two depth gauge wheels, one on each side of the lower frame. Each wheel raises and lowers independently, so when one wheel rides over an obstacle the other remains at ground level. As a result, the row unit raises only half the distance of the highest wheel to help maintain correct planting depth.

  • Page 25: Gauge Wheel Mounting

    Gauge Wheels Gauge Wheel Mounting D-14215 FIG. 3 FIG. 3: To remove arm assemblies (1), unscrew the cap screw (2) from the arm and wheel support. Remove arm assembly. Remove the bushings and seal from the arm. Clean in solvent and replace if necessary. To install the arm assembly, insert the bushings and seals into the arm.

  • Page 26: Gauge Wheel Disassembly

    Gauge Wheels Gauge Wheel Disassembly FIG. 5: Remove the flange screws (1,2) and nuts (3). Remove the nylon gauge wheel (4) and gauge wheel (5) from the rubber gauge wheel tire (6). Remove Bearing (7). Replace any components as needed. D-14992 FIG.

  • Page 27: Lower Row Unit Assembly

    Gauge Wheels LOWER ROW UNIT ASSEMBLY D-14211 FIG. 7 FIG. 7: Lower Row Unit Components Pivot Shaft Tailstock Pivot Shaft Scraper Support Scraper and Bearing Assembly Spacer Spacer Seed Chute Guard Seed Tube Clip Shim Washers (10) Disc and Bearing Assembly (11) Cap Screw (12) Hub Cap (13) Disc Shield...

  • Page 28: Openers

    Gauge Wheels OPENERS Scraper Bearing FIG. 8: Opener Scraper Scraper Edges of Disc and Scraper Clip Pin Retainer Opener Disc Bearing Scraper Support Arm To replace bearing, pry off retainer through spring pin 31704A 31704 hole. Install new bearing and snap retainer in place. FIG.

  • Page 29: Flat Scraper

    Gauge Wheels Flat Scraper FIG. 11: Some units are equipped with a flat scraper instead of the rotary scraper. To remove scraper (1), remove the two bolts (2). To install the scraper, insert the two bolts and finger tighten. PA20001 FIG.

  • Page 30: Seed Tubes

    Gauge Wheels FIG. 14: To check opener bearing condition, remove gauge wheels and scrapers. Rotate opener discs to check for bearing roughness and wear. If replacement is required, remove each disc by removing hubcap and cap screw (1). NOTE: Cap screw on left-hand side has left-hand thread. Install new opener discs onto frame.

  • Page 31: Tube Guard

    Gauge Wheels TUBE GUARD FIG. 16: Seed Tube Installation (1) Sensor (2) Seed Tube (3) Tube Guard (4) Seed Tube Hooked on Pin (5) Sensor Wire (6) Tube Clip Replace seed tube guard when width is reduced to 15.9 mm (0.625 in), or when dirt accumulation behind opener indicates that the guard is too narrow.

  • Page 32: Depth Gauge

    Gauge Wheels DEPTH GAUGE Removal D-14215 FIG. 17 FIG. 17: Remove cap screws (1) from the gauge wheel arms (2) and row unit. Remove the gauge wheel arms from the depth gauge (3). Pull out cotter pin (4). Remove clevis pin (5) and washer (6). Remove depth gauge.

  • Page 33: Depth Adjustment

    Gauge Wheels FIG. 19: Some units are equipped with a retainer (1) for the depth screw handle. Make sure the depth screw handle is engaged in the retainer during operation. P910541 FIG. 19 DEPTH ADJUSTMENT FIG. 20: To adjust the depth: •...

  • Page 34: Field Adjustment Check

    Gauge Wheels Field Adjustment Check 1. Plant test strip at operating speed. 2. Check seed depth in each row. 3. Make adjustments if necessary. Note and record any variations among units for future reference. Later Adjustments After performing initial adjustments and checking actual depth in the field, subsequent depth changes can be made by turning all screws an equal number of turns.
  • Page 35 Gauge Wheels NOTES 02-12 4283409M2...

  • Page 36: Closing Wheels

    Closing Wheels CLOSING WHEELS GENERAL INFORMATION Three types of closing wheels are available: single rubber, dual rubber, and dual cast iron. All closing wheels have two common adjustments: centering and down pressure. The wheel(s) must be centered on the row to close the seed trench, and the down pressure must be set to properly firm the soil around the seed.

  • Page 37: Removal

    Closing Wheels Removal D-14212 FIG. 24 FIG. 24: Remove cap screw (1), washers (2), and nut (3). Remove wheel assembly (4). Replace shield spacers (5) if needed. Disassembly FIG. 25: Remove the six flange screws (1). Separate wheel and remove bearing (2). Clean in solvent.

  • Page 38: Assembly

    Closing Wheels Assembly FIG. 26: Insert bearing (1) into the wheel. Attach the wheel assembly and insert the six flange screws (2) and tighten on the flange lock nuts (3). D-14212A FIG. 26 Installation D-14212 FIG. 27 FIG. 27: Insert shield spacers (1) with wheel assembly (2) into the wheel support (3).

  • Page 39: Dual Wheels - Rubber And Cast

    Closing Wheels DUAL WHEELS - RUBBER AND CAST FIG. 28: Dual Cast Iron Wheels M110847 FIG. 28 FIG. 29: Dual Rubber Wheels Dual rubber-tired or dual cast iron closing wheels can be installed on the dual wheel frame. Unless otherwise noted, information applies to both types.

  • Page 40: Removal And Installation

    Closing Wheels Removal and Installation D-14216 FIG. 30 FIG. 30: Remove the cap screws (1). Remove the wheels (2) and bushings (3). Insert cap screw through the two bushings, wheel, bushing, and into closing wheel frame (4) and tighten. If the rubber (5) rolls off the closing wheel, loosen the flange screws (6) as needed.
  • Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

This manual is also suitable for:

8776

Table of Contents