Sundown Audio JUMBO Series Product manual

ROTARY TILLERS
JUMBO SERIES (UHH)
OPERATOR'S AND PARTS’
MANUAL
J.S. Woodhouse Co., Inc.
OM1125-22EN-004_17

Congratulation for purchasing your new SUNDOWN rotary tiller!
This tiller has been designed and manufactured following all safety and quality requirements
needed for a safe and satisfactory use over time.
A careful reading of this manual will permit you to familiarize with your new equipment, and will
provide you all the tools needed to use it safely.
A proper maintenance and knowledge of the safety rules of use will allow to obtain the
best performance and a long service life of the machine.
The Safety Alert Symbol used throughout this manual and on safety
decals of the machine indicates the presence of potential hazard to the
operator. When you see this symbol, be alert and carefully read the
message that follows it.
The Safety Alert Symbol is used in conjunction with following Signal Words, according to the
degree of possible injuries that may result operating the implement:
DANGER
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious
injury.
WARNING
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious
injury, and includes hazards that are exposed when guards are removed. It may also be used to
alert against unsafe practices.
CAUTION
Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe practices.
IMPORTANT
Indicates instructions or procedures that, if not observed, can cause damage to equipment or
environment.
NOTE
Indicates helpful information.
READ, UNDERSTAND, and FOLLOW the safety messages following the Safety Alert Symbol and
Signal Words. Failure to comply with safety messages could result in serious bodily injury or death.

TO THE PURCHASER
This manual contains valuable information about SUNDOWN ROTARY TILLER. It has
been carefully prepared to give you helpful suggestions for operating, adjusting, servicing
repair parts.
Keep this manual in a convenient place for quick and easy reference. Study it
carefully. You have purchased a dependable and sturdy tiller, but only by proper care and
operation can you expect to get the service and long life designed and built into it.
RIGHT-HAND AND LEFT-HAND sides are determined by watching from the tractor side.
Sometime in the future your tiller may need new parts to replace those are worn or
broken. If so, go to nearest SUNDOWN dealer and provide him the model and part number.
Customer information
Name
Purchased from
Purchased date
Model No.
Serial No.

TABLE OF CONTENTS
1. ABOUT THIS MANUAL .........................................................................1
2. INTRODUCTION ....................................................................................1
2.1. TILLER IDENTIFICATION .........................................................................................................................................1
2.2. INTENDED USE .............................................................................................................................................................2
2.3. MAIN PARTS DESCRIPTION .................................................................................................................................... 3
ROTORS ..................................................................................................................................................................4
ROLLERS ...............................................................................................................................................................5
2.4. TILLER SPECIFICATION ............................................................................................................................................6
3. SAFETY .....................................................................................................7
3.1. GENERAL SAFETY INSTRUCTIONS .......................................................................................................................7
3.2. EQUIPMENT SAFETY INSTRUCTIONS .................................................................................................................8
3.3. OPERATING SAFETY INSTRUCTIONS ..................................................................................................................9
3.4. TRANSPORTING SAFETY INSTRUCTIONS ...................................................................................................... 10
3.5. MAINTENANCE SAFETY INSTRUCTIONS ....................................................................................................... 11
3.6. STORAGE SAFETY INSTRUCTIONS .................................................................................................................... 12
3.7. SAFETY LABELS ......................................................................................................................................................... 12
SAFETY LABELS POSITION AND DESCRIPTION ................................................................................ 13
4. SET-UP .................................................................................................. 18
4.1. LOWER HITCHES POSITIONING ......................................................................................................................... 18
4.2. CONNECTING TO THE TRACTOR ....................................................................................................................... 21
4.3. DRIVELINE INSTALLATION ................................................................................................................................. 22
DRIVELINE LENGTH CHECK ...................................................................................................................... 22
4.4. HYDRAULIC CONNECTION ................................................................................................................................... 24
4.5. CONNECTION OF ADDITIONAL IMPLEMENTS ............................................................................................ 24
4.6. TRACTOR-TILLER STABILITY ............................................................................................................................. 25
5. OPERATING ......................................................................................... 26
5.1. START UP ..................................................................................................................................................................... 26
5.2. OPERATING INSTRUCTIONS ................................................................................................................................ 27
5.3. ADJUSTMENTS ........................................................................................................................................................... 28
LOWER HITCHES ADJUSTMENT .............................................................................................................. 28
FRICTION CLUTCH ADJUSTMENT ........................................................................................................... 28

WORKING DEPTH ADJUSTMENT ............................................................................................................ 29
SKID ADJUSTMENT ....................................................................................................................................... 30
LEVELING BOARDS ADJUSTMENT ......................................................................................................... 30
REAR ROLLER ADJUSTMENT ................................................................................................................... 32
ADJUSTMENT THROUGH MECHANICAL JACKS ................................................................................ 33
ADJUSTMENT THROUGH HYDRAULIC JACKS .................................................................................... 34
LEVELING BAR ADJUSTMENT .................................................................................................................. 34
GEARBOX SPEED ADJUSTMENT .............................................................................................................. 35
5.4. STOPPING AND DISCONNECTION ..................................................................................................................... 36
5.5. TRASPORTING ........................................................................................................................................................... 37
6. MAINTENANCE ................................................................................... 38
6.1. REPLACEMENT OF TOOLS .................................................................................................................................... 38
REPLACEMENT OF TINES (TINES ROTOR) ......................................................................................... 39
REPLACEMENT OF BLADES (BLADES ROTOR).................................................................................. 40
REPLACEMENT OF SPIKES (SPIKES ROTOR)...................................................................................... 41
6.2. SCRAPER PLATES REPLACEMENT (PACKER ROLLER)............................................................................. 41
6.3. GEARBOX LUBRICATION ....................................................................................................................................... 42
6.4. SIDE CASE LUBRICATION ...................................................................................................................................... 43
6.5. ROTOR BLADES BEARING LUBRICATION ...................................................................................................... 44
6.6. REAR ROLLER BEARING LUBRICATION ......................................................................................................... 45
6.7. MECHANICAL JACK LUBRICATION ................................................................................................................... 45
6.8. DRIVESHAFT MAINTENANCE ............................................................................................................................. 46
7. STORAGE .............................................................................................. 47
8. SCRAPPING .......................................................................................... 48
9. TROUBLESHOOTING ........................................................................ 48
10. TORQUE VALUES TABLE ................................................................ 50
11. WARRANTY ………………………………………………………………………51
12. SPARE PARTS ...................................................................................... 53
JUMBO SERIES- SPARE PARTS TABLES AND LISTS ........................................................................ 54
13. "EC" DECLARATION OF CONFORMITY ........................................ 77

ROTARY TILLERS –Jumbo Series
1
1.ABOUT THIS MANUAL
The operator must read the manual for a correct understanding of the hazards that may present
when operating the tiller, as well as for obtain optimum performance from the machine.
The manual is part of the machine, it must be kept in good condition and remain with the machine
even in case of resale, until its demolition. In case of loss or damage, request a new copy to the
Manufacturer or your Dealer.
The information, descriptions and illustrations in this manual describe the state of the product at
the time of its publication, and may not reflect the product in the future.
The Manufacturer reserve the right to make design improvements or changes in specifications
without incurring in any obligation to install them on units previously sold.
Text, illustrations and drawings of this manual cannot be disclosed or transmitted, in whole or in
part, to third parties without the written permission of the Manufacturer. All rights are reserved.
2. INTRODUCTION
2.1. TILLER IDENTIFICATION
Each tiller is provided with a plate for unique identification (see position in picture below), showing
the CE marking together with following information:
• Manufacturer name and address
• Type of machine ("TYPE")
• Model of machine ("MODEL")
• Serial number ("SERIAL No.")
• Construction year ("YEAR")
• Machine weight ("MASS")
• Speed required at Implement Input Connection ("INPUT").
It's recommended to note down all data shown on the plate.
Any request for assistance or information regarding the machine must be directed to the
Manufacturer or Dealer always referring to the model and serial number as shown on the plate
affixed to the machine.

ROTARY TILLERS –Jumbo Series
2
2.2. INTENDED USE
The UHH-series tillers are designed specifically for soil tilling, and are intended to be used for
preparing the seeding bed - directly or after plowing -, for shuffling stubble and crop residues,
perform mechanical weeding and break permanent pastures.
The tillers can be set up in different configuration, depending of the type of work required,
through the assembly of optional kits, and are compatible for the fitting with complementary
machines (i.e. spreaders, seeding machines).
The tillers are designed to be mounted on tractors equipped with hydraulic lift and universal three
point hitch that can support the implement weight, and driven by the power of the tractor through
the PTO driveshaft.
The tractors used to operate the UHH-series tillers must have the following requirements:
Hitch Category: 3-point,
II - III Category (ISO 730 standard),
III Category Quick-Hitch (ASABE S278 standard)
PTO: 540 RPM / 1000 RPM
Horsepower: AS PER TECHNICAL SPECIFICATION TABLE
DANGER
Any use of the machine other than the intended use is non-intended use, and is to be considered
as unauthorized and dangerous. The manufacturer assumes no liability for damage resulting from
non-intended use.

ROTARY TILLERS –Jumbo Series
3
2.3. MAIN PARTS DESCRIPTION
1. Tiller deck
2. Clevis (lower hitch)
3. Lower hitch pin
4. Upper hitch pin
5. Top mast
6. PTO shield
7. Implement Input Connection
8. Gearbox
9. Side transmission case
10. Rear leveling board
11. Rotor shaft
12. Tine
13. Parking stand
14. Skid
15. Cardan driveshaft
16. Driveshaft hook
17. Front barrier
18. Side barrier
19. Leveling board adjuster
20. Roller
21. Jack for roller adjustment
22. Lifting arm for roller
23. Leveling bar
24. Jack for leveling bar adjustment
25. Manual Container

ROTARY TILLERS –Jumbo Series
4
NOTE
To make the illustrations more clear, some images of this manual may refer to machines lacking of
some components (e.g. safety devices and barriers).
ROTORS
Tines rotor
("A" type)
Tines rotor
("B" type)
Blades rotor
(to use with leveling
bar)
Spikes rotor
26. Tine
27. Blade
28. Spike