Digga HH-6K User manual

Operator’s Manual
PM-000127-C
LIGHTWEIGHT DRIVES
MY.DIGGA.COM
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ACCESS OPERATOR MANUALS
RISK ASSESMENTS AND MORE

2PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
MY.DIGGA.COM
S
C
A
N
T
H
I
S
Q
R
C
O
D
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ACCESS OPERATOR MANUALS
RISK ASSESMENTS AND MORE
DECAL IS APPLIED TO THE ATTACHMENT

3
1 Table of Contents
1Table of Contents............................................................................................................................ 3
2Critical Information - Service Intervals......................................................................................... 4
3 To the Purchaser............................................................................................................................. 5
4Service and Preparation for Use................................................................................................... 6
5Safety Precautions - General Information.................................................................................... 8
6Safety - Working with the Attachment.......................................................................................... 14
7Safety - Decal Labels..................................................................................................................... 17
8Safety - Decal Label Location....................................................................................................... 18
9Before Use....................................................................................................................................... 20
10 Commissioning Procedure............................................................................................................ 22
11 Operating Instructions.................................................................................................................... 28
12 Maintenance.................................................................................................................................... 34
13 Spare Parts..................................................................................................................................... 39
14 Troubleshooting.............................................................................................................................. 41
15 Notes: Operator’s Manual.............................................................................................................. 43
Warranty Statement....................................................................................................................... 44

4PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
Your Digga Lightweight Planetary drive unit is a high performance attachment that is designed for screw
anchoring (Pier) installation, drilling and other extreme applications where it is seeing high levels of torque. To
avoid premature wear and failure, and to full your terms of warranty please read this statement.
All Digga Planetary drive units must have a rst oil change within the rst 30 hours (extreme use) or 50
hours (moderate use) or 3 months of use, which ever comes rst to ensure the bed in of the drive unit.
For more detailed information please read the maintenance section of this manual.
If the rst oil change is not performed within this period, excessive wear within the gearbox will occur
that will cause premature failure and all Warranty will be voided.
Oil must then be changed thereafter every 300 hours (extreme use) or 500 hours (moderate use) and
a full service every 12 months must be performed by an authorised service agent to ensure Warranty
requirements are met.
In the event of a failure under the warranty period:
• Contact Digga immediately, do not disassemble your drive without rst obtaining written permission and
instructions from Digga.
• Proof of service must be provided in hard copy form of both operational and service history records
(including serial number of gearbox and hydraulic motor). Service must be performed by an authorised
Digga service agent.
2 Critical Information - Service Intervals
Do not connect or operate your Planetary drive unit without rst having read and understood the following statement.
NOTE

5
Thank you and Congratulations on the purchase of your new Digga Planetary drive unit.
This product was carefully designed and manufactured to give you years of dependable service. It is mandatory
that oil changes are performed at the specied interval to keep it in top working condition (for details see the
maintenance section of this manual).
Before Operation
Inspect the attachment for shipping damage and if any damage does exist, do not operate until the damaged parts
have been replaced or repaired. The primary responsibility for safety with this equipment falls to the operator.
Make sure the equipment is operated only by trained individuals that have read and understood this manual.
If there is any portion of this manual or function you do not understand, contact your local authorized Digga dealer
or the manufacturer to obtain further assistance. Keep this manual available for reference. Provide the manual to
any new owners and/or operators.
About This Manual
This manual has been designed to help you do a better and safer job. Read this manual carefully and become
familiar with its contents before connecting and operating this unit.
Service
Use only manufacturer replacement parts. Substitute parts may not meet the required standards.
3 To The Purchaser
Never allow anyone operate this attachment without reading the “Safety precautions” and “Operating instructions” sections
of this manual. Always choose hard and level ground to park the vehicle on and set the brake, so the unit cannot roll.
CAUTION
!!

6PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
During the specied warranty period, your Digga Planetary drive unit is a user non serviceable part and
unauthorised disassembly will void warranty. All service and warranty must be performed by an authorised
Digga service agent. Contact your local Digga dealer for details. To facilitate warranty or service, record the
model and serial number of your unit in the space provided on this page. This information may be obtained from
the identication decal located on the product. HH units have their serial number and year of manufacture directy
engraved onto the gearbox ange (see page 18).
MODELS COVERED IN THIS MANUAL
HH-6K
HH-8K
4 Service and Preparation for Use
Model:
Serial Number:
Purchase Date:
The parts department needs this information
to ensure accurate parts can be sent to the
authorised service agent.
NOTE
Digga Australia PTY LTD
4 Octal St, Yatala
QLD 4207 Australia
ENGRAVED ON THE
GEARBOX FLANGE
ENGRAVED ON THE
GEARBOX FLANGE
HH-6K
LIGHTWEIGHT
57 LPM (15 GPM)
145 BAR (2100 PSI)
15 kW (18HP)
31kg (69 lbs)
DE-000634
15 RPM
1.05l (0.28 US gal)
MADE IN AUSTRALIA
DE-000624 (Decal)
Serial number and year of manufacture
engraved on the gearbox ange.

7
DE-000850
To avoid any inconvenience before operation, please check that you have received the following items which you
may have ordered. Items may di󰀨er depending on type of machine on which the drive units are to be tted to.
4 Service and Preparation for Use
A
TORQUE
CHART
BC
D
F
GH
REF DESCRIPTION
A QR Code Decal my.digga.com (see page 2)
B Operator's manual PM-000127
C Torque Chart
DHH Lightweight Planetary Drive Unit
FPressure Di󰀨erential Gauge (see manual PM-000081) (optional kit)
G In-line Pressure Relief Valve (optional kit)
HFoot-operated control (optional kit)
IHose kit
I

8PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
5 Safety Precautions - General Information
The DANGER designation indicates an imminently hazardous situation that, if not avoided, will result in death.
DANGER
The WARNING designation indicates a potentially hazardous situation that, if not avoided, could result in death or
serious injury.
WARNING
You will also see information called out with the NOTE designation. This additional safety or general information is important
to the maintenance and operation of your loader.
NOTE
The CAUTION designation indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate
injury or property damage.
CAUTION
You must understand all safety statements shown on your attachment and in this manual. Especially note the
information called out by the designations shown below. Follow these safety precautions, when operating or
maintaining the attachment.
During day-to-day operation of your attachment, you will encounter a variety of situations beyond those listed in
this manual. We encourage you to assess the risk present at any job site and in every work task before beginning
work. Apply appropriate risk mitigation strategies to make safety a rst priority at all times, and if these are not
su󰀩cient, stop the job and immediately seek the help of a qualied safety consultant.
!
!!
!!

9
5 Safety Precautions - General Information
Before You Dig
• Service provided in Australia through the website www.byda.com.au.
• Never begin work at a new location until the work area has been fully marked for underground
utilities. Buried electrical, telephone, cable wires, gas, water and sewer lines are likely to be present.
Unintentionally disrupting these hidden hazards while working with your loader can result in dangerous
situations and property damage.
• Many countries o󰀨er a “dial before you dig” or similar service which advises the location of underground
services in your area. If available also use this service prior to digging, drilling, trenching or any form of
excavating and earthmoving.
You must ensure that underground utilities have been ofcially marked before working in the area. Markings must be valid
according to state law or practice.
CAUTION
Exposure to Respirable Crystalline Silica Dust Along with Other Hazardous Dusts
• It is recommended to use dust suppression, dust collection, and if necessary personal protective
equipment during the operation of this or any other machine attachment that may cause high levels of
dust.
Remove Paint Before Welding or Heating
• Hazardous fumes/dust can be generated when paint is heated by welding, soldering, or using a torch.
Do all work outside or in a well ventilated area and dispose of paint and solvent properly.
• Remove paint before welding or heating. When sanding or grinding paint, avoid breathing the dust. Wear
an approved respirator. If you use solvent or paint stripper, remove stripper with soap and water before
welding. Remove solvent or paint stripper containers and other ammable material from area. Allow
fumes to disperse at least 15 minutes before welding or heating.
!!

10 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
5 Safety Precautions - General Information
Operating the Planetary Drive
• The primary responsibility for safety with this equipment falls to the operator. Make sure that the
equipment is operated only by trained individuals, who have read and understood this manual.
• A risk assessment is required before commencing any job. Consider the site and terrain conditions,
space available, the movement of personnel and equipment and any other factor relevant to this specic
job.
• An operator must not use drugs or alcohol, which can change his or her alertness or coordination. An
operator taking prescription or over-the-counter drugs should seek medical advice on whether or not he
or she can safely operate the equipment.
• Don’t hurry the learning process or take the unit for granted.
• It is the skill, care, common sense, and good judgement of the operator that will determine how e󰀩ciently
and safely the job is performed.
• Visually inspect your equipment, ensure correct assembly and installation is done and never operate the
equipment that is not in proper working order.
• Know the capabilities of your equipment and practice its operation to become familiar with the controls,
emergency shut down procedures, and the way it handles on your machine.
• Two persons are required to lift and position the HH lightweight unit in place.
• Lift using your back and not your legs. Keep the unit close to your body and avoid twisting your trunk.
Apply the same technique when lowering the unit.
• Follow all safety decals and keep them clean. Replace them, If they become worn, damaged or illegible.
• Do not paint over, remove or deface any safety signs or warning decals on your equipment.
• Operate only from the operator’s station and operate only in daylight or with su󰀩cient articial light.
• Establish and maintain a minimum 6 meters (20 feet) exclusion zone around the working area. No person
other than the operators should enter the work zone, while the hydraulic power supply is running.

11
Operating the Planetary Drive (Continued)
• Drill stem rotation must be stopped before adding or removing sections, or marking adjustments to the
drill stem or sampling equipment.
• Ensure adequate ventilation and exhaust of air contaminants when operating in conned spaces or
indoors. Consider the exhaust of hydraulic power packs.
• Flow and pressure gauges, ttings, and hoses must have a continuous operating pressure rating of at
least 25% higher than the highest pressures of the system.
• All screw pilling operations must be stopped in the event of local thunderstorm or lightning activity.
During operation, weather conditions shall be monitored, operations shall cease during electrical storms
or when electrical storms are imminent.
5 Safety Precautions - General Information

12 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
5 Safety Precautions - General Information
During screw pilling operation, maintain a minimum “no-work zone” buffer of 3 meters (10 feet) from any overhead
electrical service and 2 meters (6 feet) from any underground service .
DANGER
Ground Personnel and Bystanders
• Be alert to others in the work area. Be sure others know when and where you will be working.
• Loose tting clothing, long hair, jewellery and equipment which might become entangled in moving
equipment are prohibited while working near the Auger Drive.
• Operators, helpers, and other personnel working near the attachment must wear steel-toe safety shoes,
safety glasses, and hard hats as a minimum. Hearing protection, respirators, and personal protective
clothing will be specied in the site-specic Health and Safety Plan.
Storing Your Planetary Drive Unit
• Seal hydraulic couplers from contaminants and secure all hydraulic hoses o󰀨 the ground to help prevent
damage.
• Clean the unit thoroughly by removing all mud, dirt, and grease etc..
• Inspect for visible signs of wear, breakage, or damage. If required, order any damage parts and perform
the necessary repairs to avoid delays upon removal from storage.
• Check that drive unit motor and hoses are full of clean oil and planetary gearbox is full.
• Coat liberally with grease the output shaft and collar, extension shaft and collar, and all connecting pins
to prevent rust and reduce wear.
• Tighten loose nuts, cap screws, and hydraulic connections.
• Replace safety decals that are damaged or in an unreadable condition.
• Store unit in a dry and protected place, as leaving the unit outside will materially shorten its life.
!

13
5 Safety Precautions - General Information
End of Life Disposal
• At the completion of the useful life of the Planetary Drive unit, drain all uids and dismantle by separating
the di󰀨erent materials (rubber,steel, and plastic etc.). Follow all federal, state and local regulations for
recycling and disposal of the uid and components.
Maintaining the Planetary Drive
• All maintenance should be performed with the hydraulic power supply engine turned o󰀨 and hydraulic
pressure relieved.
• Never adjust a relief valve for pressure higher than recommended by the machine’s manufacturer.
Transporting the Planetary Drive
• When transporting your attachment, follow all local government regulations that may apply along with
any equipment safety precautions provided in this manual.
• It is the responsibility of the operator that safe systems of work are employed while handling this
attachment.
• No tie down points are provided on the attachment and its the responsibility of the operator to ensure
that the attachment is rmly fastened without causing any damage to it.
• Attachment should be well secured, when being moved or in transit and furthermore prior to moving,
storing, loading/unloading,or parking.
• Verify that all tie down accessories (chains, slings, ropes, and shackles etc.) are capable of maintaining
attachment stability during transporting and are attached in such a way to prevent unintended
disengagement or shifting of the unit.
• Use extra care when loading or unloading the attachment on to a trailer or truck and disconnect hydraulic
couplers during the transportation. No responsibility for loss or damage to persons or property in any
regard can be attributed to Digga.

14 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
6 Safety - Working with the Attachment
Complete a Risk Assessment
Your Digga Planetary Drive is a versatile earthmoving machinery attachment, capable of performing its tasks in
a safe and e󰀨ective manner. To ensure the safety of operators and others, it is important to document the work
at hand for hazard and risk. Before beginning work, complete a risk assessment. The following steps provide a
framework for this activity:
1
DOCUMENT THE ACTIVITY
Assemble those involved in the activity. Write down the tasks required for the activity in step-by-step
form.
2
IDENTIFY THE HAZARDS
Next to each task, identify what part of the task may cause injury to those engaged in the task or
others in the vicinity. Rate the consequences and likelihood of the hazard using the risk assessment
matrix.
3
DOCUMENT THE CONTROL MEASURES
Using the results from the risk assessment matrix, determine which hazards require attention. List all
mitigation measures that are required to eliminate or minimize those hazards.
4IDENTIFY THE RESPONSIBLE PERSON
Document the name of the person responsible for implementation of the mitigation measure.
5MONITOR AND REVIEW
Ensure that the activity is supervised and that the documented process is being followed.
All bystanders should be kept at a minimum of 6 meters (20 feet) away from the working area of the planetary drive.
DANGER
!

15
6 Safety - Working with the Attachment
Take Extreme Care When Dealing with Hydraulics - Whilst Assembling, Operating, Maintaining or
Performing any work on or near this product.
• Hydraulic uid under pressure can penetrate the skin and may develop gangrene or other permanent
disabilities. Hydraulic leaks under pressure may not be visible!
• If any uid penetrates the skin, get immediate medical attention!
• Wear safety glasses, protective clothing, and use a sound piece of cardboard or wood when searching
for hydraulic leaks. Do not use your hands!
• Before connecting or disconnecting hydraulic hoses, read your machine or power unit’s operator manual
for detailed instructions on connecting and disconnecting hydraulic attachments.
• Ensure that all parts meet the specications for this product when installing or replacing hydraulic hoses
or ttings.
• All hoses located within 1m (3 ft) of the operator during normal operation must be guarded with a exible
burst protection sleeve (Eaton® Guardian, or equivalent).
• After connecting hydraulic lines:
□Operate the hydraulics on this product to ascertain forward and reverse.
□Ensure that the hoses cannot interfere with or actuate the quick-attach mechanism.
□Ensure that hoses will not be pinched, or get tangled, in any equipment.
• Do not lock the hydraulics of your power unit or foot control in the “ON” position.
• Refer to host machine operator’s manual and this manual for procedures and service intervals, then
inspect and maintain the entire hydraulic system to ensure that the uid remains clean, that all devices
function properly, and that there are no uid leaks.
Remember, Personal Protection Equipment (PPE) provides a level of protection during work, but PPE is the last level of
harzard control and prevention. Always refer to the hierarcy of hazard control, when planning a safety process.
NOTE

16 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
When Connecting this Product to a Hydraulic Power Unit
• Refer to the operator’s manual of your power unit for any special or detailed mounting instructions
regarding quick-attach mechanism.
• Be familiar with the emergency shutdown procedure of the hydraulic power unit and ensure quick and
unobstructed access to any emergency stop device.
• Where enabler (‘Dead Man’) switches are installed connections are connected or installed it is illegal to
disengage, tamper with, or remove them.
When Adjusting Servicing or Repairing this Product
• Do not make any modications to your Digga Planetary drive unit.
• When making repairs use only authorised Digga service agents and use only genuine Digga parts for the
gearbox. For fasteners, hydraulic hoses, or hydraulic ttings, use only properly rated parts.
• Replacement parts must also have safety signs attached.
6 Safety - Working with the Attachment
For any additional safety information please see “Risk Management Booklet”. To obtain a copy of this document please
contact Digga Head Ofce.
NOTE

17
The following section provides a glossary of safety labels found on your Digga Planetary drive unit. These labels
are important! Become familiar with both their meaning and location prior to operating your drive unit. They must
be maintained and ensure that each label is clean, visible, and legible. To clean the decal, use a soft cloth, water,
and soap. Avoid the use of solvents, gasoline, or other harsh chemicals, as these may damage the decal. If a
label has been damaged or removed, it must be replaced.
READ OPERATOR’S MANUAL REMOVE IGNITION KEY ENTANGLEMENT / CRUSH
HAZARD
Completely read and understand
this operator’s manual before
using your attachment. Keep the
manual with the attachment at
all times.
DANGER
Before performing any
maintenance on the Planetary
drive or attachment, switch engine
o󰀨 and remove the key. Never
leave the key in an unattended
machine.
CAUTION
Keep hands and body parts clear
of auger drive. Keep all bystanders
at a safe distance (6 meters/20
feet) from operating auger drive
and work zone. Refer to this
operator’s manual for more
information.
CAUTION
7 Safety - Decal Labels
!!
!!
!
DE-000636
DE-000637
DE-000638

18 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
8 Safety - Decal Label Location
3
4
2
6
The following gure and table show typical safety decal labels location. The actual position and quantity of the labels on
your product may differ.
NOTE
ITEM RE-ORDER CODE - HH Units QTY
1DE-000638 1
2DE-000637 1
3DE-000636 1
4DE-000634 1
5DE-002063 1
ITEM 4
Digga Australia PTY LTD
4 Octal St, Yatala
QLD 4207 Australia
ENGRAVED ON THE
GEARBOX FLANGE
ENGRAVED ON THE
GEARBOX FLANGE
HH-6K
LIGHTWEIGHT
57 LPM (15 GPM)
145 BAR (2100 PSI)
15 kW (18HP)
31kg (69 lbs)
DE-000634
15 RPM
1.05l (0.28 US gal)
MADE IN AUSTRALIA
1
DE-000636
DE-000637
DE-000638
ITEM 1
ITEM 2
ITEM 3
ITEM 6: Serial number and Year of Manufacture engraved on the
gearbox ange.

19
Notes

20 PM-000127-C - Operator’s Manual - Lightweight Drives - Jun 2023
The key feature of your Digga Planetary drive is low maintenance, regular oil changes only are required. It
contains no user serviceable parts, unauthorised disassembly will void warranty. Written permission from Digga
must be obtained before performing any disassembly.
Before First Use
Inspect the drive unit for shipping damage. If damage does exist, do not operate until the damaged parts have
been replaced or repaired.
Before Each Use
• Make sure that all nuts and bolts are in place and properly tightened.
• Make sure that all other fasteners are in place and are performing their specied function.
• Make sure that all hydraulic ttings are tightened and that there are no leaks in any ttings or hoses.
• Make sure that all safety signs are in place, are clean, and are legible (see the safety sign section).
• Check for any oil leaks, wear and tear on pins, linkages, clips, bushes and hood.
• Ensure any damage or excessively worn parts are replaced.
• Always wear safety goggles or glasses when inspecting equipment.
9 Before Use
Escaping uid under pressure as low as 100 PSI can have sufcient force to penetrate the
skin up to 4" (100mm) away causing serious personal injury. Fluid escaping from a very
small hole can be almost invisible. Use a piece of cardboard or wood, rather than hands to
search for suspected leaks (A). Keep unprotected body parts, such as face, eyes, and arms
as far away as possible from a suspected leak and use heavy duty PVC protective gloves.
Flesh injected with hydraulic uid may develop gangrene or other permanent disabilities.
WARNING
!!
Cardboard
Hydraulic Hose
or Fitting
Magnifying
Glass
(A)
Protective
PVC Gloves