KUHN FC 4000 G - User Manual

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OWNER’S / OPERATOR’S MANUAL

FC 4000 R - FC 4000 RG

FC 4000 G

N° 95109 C.GB – 10.2004

Questions and Answers

R
rickhopkinsAug 20, 2025
How to improve poor cutting quality in heavy conditions for KUHN Farm Equipment?
- J
  james08Aug 20, 2025
  To address poor cutting quality in heavy conditions with your KUHN Farm Equipment, check the following: * Ensure blades are correctly fitted, matching the arrow on the blades with the disc's rotation. * Replace any damaged or broken blades. * Increase PTO speed to 1000 rpm using the hand throttle. * Reduce forward speed. * Adjust the suspension crank counterclockwise to increase header weight. * Tilt the header down or install low skid shoes for down crop. * Increase the conditioning roll gap.
T
Thomas TaylorAug 21, 2025
What to do if the clutch slips on KUHN FC 4000 G Farm Equipment?
- E
  Edward RobbinsAug 21, 2025
  If the clutch slips on your KUHN farm equipment, it may be due to several reasons: * The mower might be locked. Check for any plugging or foreign objects in the cutterbar, and ensure all discs turn freely. * The mower could be overloaded. Reduce ground speed, or decrease conditioning intensity by reducing roll tension. * Clutch springs might be loosened. Check their length. * There might be oil or grease in the slip clutch. Remove any oil or grease from the friction plates. * Clutch springs could be overheated. Replace the springs. * Clutch friction plates might be worn or damaged. Replace them.
S
Steve HernandezAug 23, 2025
Why is the windrow uneven or too wide with KUHN FC 4000 G?
- E
  Eugene SmithAug 23, 2025
  If you notice an uneven windrow or a windrow that is too wide with your KUHN farm equipment, consider the following: * Open the windrow forming shields. * Increase the PTO speed to 1000 rpm and set it using the hand throttle. * Increase the conditioning roll gap. * Ensure the swathing baffles are positioned all the way up. * Increase forward speed, but stay within safe operational limits, considering field conditions and operator ability.
A
ahernandezAug 26, 2025
How to troubleshoot excessive noise or vibration in KUHN FC 4000 G Farm Equipment?
- R
  Robert HarrisAug 26, 2025
  Excessive noise or vibration in your KUHN Farm Equipment can stem from several issues: * If equipped with conditioning rolls (FC 4000R/RG), adjust the roll gap. * For FC 4000 G models, replace worn or missing conditioning fingers. * Replace any damaged parts of the PTO. * Replace bent or missing blades. * Replace any damaged disc guards. * If equipped with conditioning rolls (FC 4000 R / RG), adjust the timing.
I
ianstoneAug 27, 2025
How to fix poor cutting quality in light conditions for KUHN FC 4000 G Farm Equipment?
- J
  Jacqueline PenningtonAug 27, 2025
  To address poor cutting quality in light conditions with your KUHN Farm Equipment, verify the following: * Ensure blades are correctly fitted, matching the arrow marked on the blades with the disc’s rotation. * Replace any damaged or broken blades. * Gear up and throttle down, but do not reduce PTO speed to less than 750 rpm.
S
Sara ThompsonAug 30, 2025
What causes strips of uncut material with KUHN FC 4000 G Farm Equipment and how to fix it?
- M
  Mercedes AllenAug 30, 2025
  If you're seeing strips of uncut material when using your KUHN Farm Equipment, here’s what you should check: * Replace any damaged or broken blades. * Gear up and throttle down, ensuring PTO speed does not fall below 750 rpm. * Clean any mud buildup between the disc guards. You may also need to tilt the header back, lighten the header, or install high skid shoes.
D
Dennis McdonaldSep 1, 2025
What to do if KUHN FC 4000 G Farm Equipment still has poor cutting quality in light conditions?
- C
  Cindy SandersSep 1, 2025
  If you continue to experience poor cutting quality in light conditions with your KUHN Farm Equipment, check these additional items: * Adjust the suspension crank counterclockwise to increase the weight of the header. * Increase forward speed, but stay within safe operational limits, considering field conditions and operator ability. * Install low skid shoes or tilt the header down if cutting too high.
J
Johnny FriedmanSep 3, 2025
Why does my KUHN FC 4000 G Farm Equipment skid sideways on slopes?
- C
  Christopher MarshallSep 3, 2025
  If your KUHN mower is skidding sideways on slopes or when turning, the issue may be due to: * Excessive ground speed. Reduce the ground speed. * Excessive header weight. Adjust the flotation to decrease header weight. * Low tire pressure. Check the tire pressure; it must be at 30 psi (2 bar).
B
Brittany RodriguezSep 4, 2025
How to prevent an uneven or bunchy swath with KUHN Farm Equipment?
- J
  jessicagillSep 5, 2025
  If you're getting an uneven or bunchy swath with your KUHN farm equipment, try the following: * Open windrow forming shields further. * Adjust the swathing baffles up.
R
restradaSep 6, 2025
What causes roll plugging in KUHN FC 4000 R / RG Farm Equipment?
- J
  Jose RobertsonSep 7, 2025
  If you experience roll plugging with your KUHN FC 4000 R / RG farm equipment, consider the following: * Maintain rated PTO speed. * Raise the header before backing up.

Summary

Safety Recommendations for KUHN Mower

Designated Use of the Machine

Specifies the intended and approved uses for the KUHN FC 4000 series mower conditioners.

General Safety Recommendations

Provides essential safety principles and practices for operating the mower conditioner.

Special Safety Recommendations

Details specific safety precautions for operating the mower conditioner in various conditions.

Safety Decals on KUHN Mower

Technical Specifications for FC 4000 Series

Attaching the KUHN Mower Conditioner

Attaching to the Tractor (Straight Hitch)

Step-by-step guide for connecting the mower to a tractor using a straight hitch.

Attaching the Gyrodine Swivel Hitch

Instructions for attaching the mower conditioner using the Gyrodine swivel hitch.

Transporting the Mower Conditioner

Adjustments for Optimal Performance

Cutting Height Adjustment

Guidance on adjusting the cutting height for various field conditions.

Header Floatation Adjustment

How to adjust the header floatation system for proper ground contact.

PTO Speed Settings

Recommended PTO speeds and operational guidelines for the mower conditioner.

Adjusting Conditioning Intensity

Field Operations Guide

Lubrication and Fluid Management

Lubrication Chart and Intervals

Grease Fittings Locations

Gearbox Lubrication Procedures

Maintenance Procedures for KUHN Mower

Blade and Bolt Inspection

Blade Replacement

Disc Inspection and Replacement

Skid Shoes Maintenance

Friction Slip Clutch Adjustment

Drive Chain Maintenance

Hydraulic System Maintenance

Fastener Torque Chart

Troubleshooting Guide for Mower Issues

KUHN FC 4000 G Specifications

General

Brand	KUHN
Model	FC 4000 G
Category	Farm Equipment
Language	English

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