Hansa C16C User guide

HANSA NETHERLANDS
+024 622 1270 [e-mail]
www.hansaversnipperaar.nl
MANUFACTURER: HANSA NEW ZEALAND
[phone] [e-mail]
www.hansaproducts.com
REST OF WORLD:
Please refer to www.hansaproducts.com for
a current list of our authorised dealers and
contact details relevant to your territory
HANSA C16C
Operation, maintenance and safety manual
Original
Instructions
All operators must fully read and understand
this operator’s manual before using the chipper.
Keep this manual for future reference.

Hansa C16c O&M Manual – OM-020 Revision B 24/06/2019
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TABLE OF CONTENTS
WHAT CAN MY HANSA CHIPPER PROCESS?.................................................................................................................................. 1
INTENDED USES OF THE CHIPPER ............................................................................................................................................................... 1
RECEIVING YOUR HANSA CHIPPER ............................................................................................................................................... 1
CHIPPER COMPONENTS ........................................................................................................................................................................... 1
ASSEMBLING THE CHIPPER........................................................................................................................................................... 3
FIT THE OUTLET CHUTE............................................................................................................................................................................ 3
FIT THE INLET CHUTE............................................................................................................................................................................... 3
SAFETY ......................................................................................................................................................................................... 4
OPERATOR COMPETENCY......................................................................................................................................................................... 4
IDENTIFYING HAZARDS AND RISKS .............................................................................................................................................................. 4
OPERATION.................................................................................................................................................................................. 5
OPERATING THE CHIPPER......................................................................................................................................................................... 5
SAFE SETUP PROCEDURE.......................................................................................................................................................................... 5
SAFE OPERATING PROCEDURE................................................................................................................................................................... 6
STARTING PROCEDURE ............................................................................................................................................................................ 7
SHUTDOWN PROCEDURE......................................................................................................................................................................... 9
PETROL................................................................................................................................................................................................ 9
EMERGENCY STOP................................................................................................................................................................................ 10
STORAGE.................................................................................................................................................................................... 10
TROUBLESHOOTING ................................................................................................................................................................... 10
WHAT TO DO IF: .................................................................................................................................................................................. 10
MAINTENANCE........................................................................................................................................................................... 11
KNIFE RE-SHARPENING AND KNIFE REPLACEMENT ....................................................................................................................................... 11
ANVIL ADJUSTMENT/REPLACEMENT......................................................................................................................................................... 14
ENGINE SERVICING ............................................................................................................................................................................... 14
CHECKING ENGINE OIL........................................................................................................................................................................... 14
BELT TENSION ..................................................................................................................................................................................... 15
BELT REPLACEMENT.............................................................................................................................................................................. 16
TYRE PRESSURE ................................................................................................................................................................................... 18
BOLT TORQUE ..................................................................................................................................................................................... 18
SPECIFICATIONS ......................................................................................................................................................................... 19
HANSA GLOBAL INDUSTRIAL LIMITED WARRANTY..................................................................................................................... 20
HONDA ENGINE LIMITED WARRANTY ........................................................................................................................................ 22
COMMISSIONING CHECKLIST AND REGISTRATION ..................................................................................................................... 24
LABELS ....................................................................................................................................................................................... 25
SOUND OUTPUT INFORMATION ................................................................................................................................................ 27
EC DECLARATION OF CONFORMITY............................................................................................................................................ 28

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What can my Hansa chipper process?
Intended uses of the chipper
The C16c Hansa chipper is built to process organic material including wooden branches not exceeding 110mm in diameter
respectively. It is designed to be used on a regular basis by semi commercial garden maintenance contactors and hire / rental
companies. Do NOT use the chipper for any other purpose.
Organic wastes include:
Prunings, stalks, roots, vegetable matter, hay, grass, bark
Dry manure
Branches
Palm fronds
Dead and hard timbers (Note: these will dull the knives faster)
Paper or cardboard
Do NOT process:
Flax, root balls
Soil, bones, sand, grit, stones, metal
If you have any questions, contact your authorised dealer.
Do NOT exceed 110mm branch diameter
Receiving your Hansa chipper
Chipper components

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Tools required for assembly (not supplied):
•10 mm spanner - to fit the emergency stop to the inlet
•16 mm spanner - to fit the inlet and outlet chute
•17 mm spanner - to fit the inlet and outlet chute
•4 mm Allen key - to fit the emergency stop to the inlet
Parts supplied for assembly
All fasteners included to fix the inlet chute
and outlet chute onto chipper
Inlet chute
Outlet chute
Chipper body

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Assembling the chipper
When you receive your Hansa brush chipper, the inlet and outlet chute may not be assembled on the chipper.
All the fasteners (bolts, nuts and washers) are attached to their respective components.
Fit the outlet chute
Lightly grease the flange on the chipper
body.
Slide the outlet chute onto the greased
flange of the chipper body, ensuring
that the locking hinge is open.
Close the locking hinge and fasten the
two m6 bolts,
spring washers, and
washers to the locking pin on each side
of the outlet using a 10 mm spanner.
Ensure the spring washer is between
the bolt head and washer.
Tighten the outlet chute locking handle
to secure the outlet chute to the
chipper body.
Note: The outlet chute locking handle
will be in the documentation package.
Fit the inlet chute
Fix the inlet chute -
place the inlet
chute onto the chipper body with the
black rubber flap sandwiched in
between and ensure all three holes line
up. Tighten the nuts, washers, and
bolts using a 16 mm and 17 mm
spanner. Ensure that the washer is
touching the bolt head.
1
2
3
4
Locking
hinge
Outlet
chute
locking
handle

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Line up holes and insert the bolts,
washers and nuts, ensuring the big
washer is touching the bolt head.
Attach the emergency stop bracket to the inlet
Remove the fasteners that come attached
with the bracket. Fasten the bracket to
the inlet chute using the supplied
fasteners, ensuring the bolt head is on the
inside of the inlet chute, and the light
washer and nyloc nut are on the outside
of the inlet chute. A 10 mm spanner and
4mm Allen key are required for this.
Safety
Preventing accidents is the responsibility of every equipment operator. The operator is responsible for any accidents or hazards
occurring to people or their property. Ensure every operator is familiar with the safe operation procedures and controls of the
machine, how to identify hazards, and the steps required to avoid injury while handling and operating the chipper. Relevant
information is contained in this manual.
Do NOT modify the design of the chipper.
Operator competency
Ensure that every person operating the chipper understands and follows the safe operating and maintenance procedures
as detailed in this manual.
Do NOT allow persons below the age of 16 to operate the chipper. Additionally, local regulations may restrict the age of
the operator.
Do NOT allow persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge to
operate the machine.
Identifying hazards and risks
Identify hazards and risks, and take preventative steps to avoid accidents and minimise risk. Possible hazards include, but are not
limited to, moving parts, thrown objects, weight of chipper and components, and the operating environment.
Below is a list of hazards and actions required to prevent injury.
Hazard
Risk
Corrective action
Dust
Injury or irritation of the
eyes
Respiratory irritation
Wear safety glasses
Process freshly cut materials and/or wear a dust mask
Exhaust Fumes
Respiratory irritation
Place the chipper in a manner that the operator is not
exposed to direct exhaust fumes
Hot Exhaust
Heat burns
Keep bare hands and other body parts a safe distance away
from hot exhaust
5
6

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Fire
Heat burns
Clear any build-up of chipping debris around the engine and
exhaust regularly
Belt Drive
Skin pinching and/or
abrasions
Ensure that the belt guard is in place, and keep away from
the belt
Cutting rotor and knives
Pinching, crushing, cutting,
severing
Keep hands and other body parts out of the inlet chute
Use a stick to push materials into the inlet chute
Do NOT push the stick beyond the guard flap
Sound
Damage to hearing
Always wear ear protection when operating the machinery
Discharge material
Eye injury, minor cuts
Always wear safety glasses when operating the machinery
Do NOT stand in front of the outlet chute
Do NOT face the machinery in a place where the
outlet chute is directed on a hard surface
Feeding material
Cuts and scrapes
Wear safety gloves
Wear tight fitting long sleeves and pants to cover bare skin
when operating the machinery
Weight of the chipper
Straining, crushing
Place the machinery on level ground
Petrol, oil, grease
Poisoning, skin irritation,
harmful vapours
Take care when handling petrol, oil and grease
Wash skin if contaminated with petrol, oil or grease
Do NOT refuel the chipper in enclosed areas
Operation
Operating the chipper
It is helpful, (but not required) to keep a wooden stick handy, approx. 60 mm diameter x 600 mm long for:
•Pushing in short, brushy and very leafy materials
•Keeping the inlet chute clear
The chipper is self-feeding and has a large inlet opening. It can process:
•Prunings, stalks, vines, leaves, roots and vegetable matter, paper and cardboard
•Freshly cut material is better to process than dry
•Maximum branch diameter capacity for the C13c and C16c is 90 mm and 110 mm respectively
Safe setup procedure
Before you start:
Ensure the chipper is positioned in an open area and on firm level ground.
Ensure that the outlet chute is discharged onto soft ground (e.g. grass)
Do NOT allow the outlet chute to discharge chip onto hard surfaces (such as a paved or gravel surface)
Ejected material can rebound and cause injury
Keep children, pets and spectators clear of the work area at all times
Do NOT operate the chipper where there is a hazard to onlookers
Do NOT allow any person under the age of 18 to operate the chipper
Check:
That all screws, nuts, bolts, and other fasteners are properly secured
Check details on general chipper maintenance in this manual
That all chipper components are in place and in good condition
If any parts are worn or damaged, contact Hansa for replacements
That fuel and engine oil levels are above the minimum levels
That the inlet chute and housing are clear of any leftover material

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That all labels are is good condition and easily legible
Replace damaged or unreadable warning and operating
View photos of labels in appendix A
Refuelling:
Take extra care in handling fuels
They are flammable and vapors are explosive
Use only an approved fuel container
Always replace and securely tighten fuel cap after refuelling
Allow engine to cool down before refuelling
If you need to drain the fuel, ensure this is done outdoors
Do NOT smoke when using or refuelling the chipper
Never remove fuel cap or add fuel with the engine running
Never refuel the chipper indoors
Never store the chipper or fuel container inside where there is an open flame, such as a water heater
If fuel is spilled, do not attempt to start the engine, but move the chipper away from the area of spillage before
starting
Safe operating procedure
Wear safety equipment: Safety glasses and earmuffs must be worn at
all times
Wear work gloves: The wearing of work gloves is optional but highly
recommended - ensure that the gloves fit tightly
Tie long hair up
Long hair could be pulled into chipper
Wear clothes that sit tightly
Avoid scarves and any items that can get caught in the chipper
Keep your face and body away from the inlet chute
Stand clear of the discharge zone, even when no material is being fed into the machine
Place the chipper on even ground and direct outlet chute on soft ground
Ensure exhaust is pointing away from the working area and downwind from the operator and onlookers
Keep proper balance and footing at all times and stand at the same level as the chipper
Do NOT over-reach
Do NOT run near the machine
Feed only freshly cut material into the chipper
Do NOT feed in materials covered in gravel, stones and dirt as this can rebound, injure the operator and damage
the machinery
Prune to a size that suits the chipper’s capabilities
Pre-cut side branches
oThe branch will ‘self-feed’ more efficiently
Keep the engine clean of debris and other accumulations
This prevents damage to the engine or possible fire
Feed limbs and branches through butt end first, leaving the bushy head on
This helps guide the limb down the inlet chute
It reduces spinning and the occurrence of ejection of small pieces back up the inlet chute
Hold larger branches back and feed the chipper with care until you are familiar with its capacity
Engine will slow down or stall if the branch is too large
Feed longer pieces together with short stubby pieces
Feed soft materials intermittently with branches
The wood chips tend to clean out any soft residue left in the chipper
The chipper can clog up with soft, wet or fibrous materials
Keep the outlet free of blockage
If blockage occurs, turn the engine off, disconnect the spark plug wire and wait for rotor to stop spinning. Open
the outlet chute and remove material until the outlet chute is clear
As the discharge material piles up
Move the chipper to direct the outlet chute away from the pile, or move the processed material
to avoid blocking
DO:

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Turn the engine off whenever you leave the work area
Run the chipper in an enclosed area
Exhaust fumes contain carbon monoxide which is poisonous, colourless, odourless, and tasteless
Operate the chipper wearing loose clothing and untied long hair
Stand at a higher level than the base of the chipper when feeding material into it
Process old materials such as dried wooden branches
They get very hard and springy when dried out
They are more awkward to handle
The knives dull much quicker
Feed short, stubby pieces of wood into the chipper
They bounce and spin in the inlet chute
Feed short stubby pieces together with longer pieces
Feed branches that are too large
The chipper can easily stall
Put soil, sand, grit, stones, glass, pieces of metal or other foreign objects into the chipper
This will damage the sharp edge of the cutting knives and can rebound and injure the operator
Put root balls and dead wood into the chipper
This dulls the knives quickly
Overload the chipper
If the cutting rotor is slowing down, feed the material in slower
Allow processed material to build up in the discharge area as this can
Prevent proper discharge
Result in kickback of material through the feed opening
Transport the chipper while the engine is running
Tamper with the engine governor settings on the chipper
The governor controls the maximum safe operating speed and protects the engine and all moving parts from
damage caused by overspeed
Operate the chipper with blunt knives
This causes excessive vibration which may result in damage to the chipper
Move or tilt the chipper while it is running
Touch any guards or stick hands between guards while the machine is on
Put hands or any other part of the body or clothing:
Inside the feed chute past the rubber flap
Inside or near the opening of the discharge chute
Near any moving part
Remove any guards on the chipper unless the engine is turned off and the cutting rotor has come to a complete standstill
Leave the chipper on while it is unattended
Starting procedure
Turn the fuel lever and
engine switch to the
“on” position.
Pull the choke lever to
turn the choke on.
DO NOT:
1
Choke lever
(“on” position)
Fuel lever (“on”
position)
Engine
switch (“on”
position)

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Turn the throttle to the halfway
position and disengage the belt
drive by winding the engagement
handle anti clock-
wise until it
comes to a stop.
Pull the pull cord in one smooth
motion to start the engine.
Once the engine is started and has
warmed up (approx. 10 seconds),
move the choke lever to the “off”
position by pushing the lever in
towards the engine.
To engage the belt drive, slowly
rotate the engagement handle
clockwise until it comes to a stop.
This must be done slowly to allow
the cutting rotor to pick up speed;
otherwise the engine may stall.
Turn the throttle to max.
2
3
4
5
6
Throttle
lever
(halfway
position)
Pull cord

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Shutdown Procedure
Turn the throttle lever to the “min”
position.
Disengage the belt drive by rotating
the engagement handle anti clock-
wise until it comes to a stop.
Turn the
engine switch and fuel
lever to the “off” position.
WARNING! Do NOT disengage the belt drive with the chipper running at full revs, as this will cause friction and
vibration on the belt drive.
Petrol
The C16 chipper requires 91 unleaded petrol
to run; check the petrol level before starting.
1
2
3
Throttle lever
(“min” position)
Fuel lever (off
position)
Engine switch
(off position)

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Emergency stop
The emergency stop acts as an immediate kill switch to the engine. It does not stop the cutting rotor from spinning. The cutting
rotor will continue to spin for some time due to its rotational inertia. To engage the emergency stop, push the red button. To
disengage the emergency stop, twist the red button clockwise until it releases outwards.
Use it when foreign matter such as sand, stones or metal enter the inlet chute
Use it in response to an immediate hazard/danger to an operator or onlooker
After the cutting rotor comes to a halt, follow the regular shutdown procedure in addition to using the emergency stop
Inspect the machine before resetting the emergency stop
Under normal conditions, Do NOT use the emergency stop in place of the regular shutdown procedure
Storage
Always allow the chipper to cool before storing
Store the chipper out of the reach of children
Store the chipper where fuel vapor will not reach an open flame or spark
Switch fuel lever to off position
For extended storage periods, run the unit dry of fuel
Store the chipper out of the rain
Water can rust the steel body of the chipper
Troubleshooting
What to do if:
The chipper won’t start
•The engine oil level might be too low
The chipper is fitted with oil alert and will not start if the oil level is too low
Check the oil level and top up if required
•The chipper is placed on a slope
The chipper is fitted with oil alert and will not start if the oil is not level
Move the chipper to level ground
•The emergency stop is still engaged
Ensure emergency stop is disengaged before starting the chipper
Belt drive engagement will not work
•The inlet chute or housing might be blocked
Turn engine off, disconnect the spark plug wire, ensure cutting rotor has completely stopped, remove
debris, restart engine, then attempt to re-engage the belt drive
The chipper slows down and stalls
•The chipper is clogged up
Turn the engine off, disconnect the spark plug wire, ensure cutting rotor has completely stopped,
remove debris, then close and lock the outlet chute
Discharge slows down
•The chipper is clogged up
Turn the engine off, disconnect the spark plug wire, ensure cutting rotor has completely stopped,
remove debris, then close and lock the outlet chute
The chipper is slowing down
•The chipper can’t process the amount of material fed into it
Feed the material in slower
Reduce material volume
The chipper will not self-feed
•The knives and/or anvil might be blunt
Inspect and sharpen or replace knives and/or anvil as required. Ensure correct clearances between
knives and anvil
The material is ejected in long strips

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•The knives and/or anvil might be blunt
Inspect and sharpen or replace knives and/or anvil as required. Ensure correct clearances between
knives and anvil
The chipper is clogged
Turn the engine off, disconnect the spark plug wire, ensure cutting rotor has completely stopped,
remove debris, then close and lock the outlet chute
The chipper starts making unusual noise, the cutting rotor strikes a foreign object or the chipper starts to vibrate
Turn the engine off, disconnect the spark plug wire, ensure cutting rotor has completely stopped, then
inspect for damage
Replace or repair any damaged parts
Check for and tighten any loose parts
Do NOT attempt to repair the chipper unless you are competent to do so
Maintenance
Maintain the chipper with care and keep it clean at all times.
To service or inspect the equipment, or to change an accessory, you must:
Switch the engine off
Allow the chipper to cool before any inspections or adjustments
Wait until the cutting rotor and engine are at a complete standstill before opening the cutting rotor housing
Disconnect the spark plug wire from the spark plug
Switch fuel lever to off position
Initially after 2 working hours:
Check for any loose nuts and bolts
Check belt tension (refer to belt tension section)
The belts will stretch when they are new
Grease the two cutting rotor bearings
One or two pumps are sufficient
Be careful not to over grease
The bearings are already greased when the equipment is new
Grease with bearing grease or all-purpose grease
Every 20 working hours:
Check for any loose nuts and bolts
Check belt tension (refer to belt tension section)
Grease two bearings as above, be careful not to over grease
Check sharpness of knives
Check condition of guarding (belt guard and outlet chute)
A damaged guard must be replaced by an identical or equivalent guard immediately
It is recommended to contact Hansa for a replacement guard.
Knife re-sharpening and knife replacement
How do I know that the knives need re-sharpening?
Chipper loses its self-feeding action with blunt knives
Material has to be pushed in
Material comes out in long strips
Blunt knives will cause excessive vibration
Blunt knives result in damage to the chipper
WARNING! Do NOT open the housing unless the engine and cutting rotor have completely stopped.
WARNING! Do NOT operate your chipper with blunt knives.

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How to re-sharpen the knives:
If you don’t have a surface grinder or are unsure how to re-sharpen the knives, contact a professional saw doctor or Hansa to
arrange re-sharpening.
Tools and materials required for re-sharpening (approx. 40 mins):
•13 mm spanner
•A stick magnet (optional)
•Surface grinder
•Coolant
.
Remove the knives for sharpening
Open the rotor housing cover by removing the two housing cover locking bolts with an 18 mm spanner, then lift
the rotor housing cover to access the cutting rotor.
Rotate the cutting rotor to gain access to the knives, then engage the belt drive to stop the cutting rotor from
rotating.
Use a 13 mm spanner to remove the knives from the cutting rotor. There are five
bolts that you must remove to do so.
Be careful not to drop the bolts or knives into the chipper
A stick magnet can be used to retrieve them if this does occur knife
clamping bolts.
Measure the width of the knife and check that it will be at least 46 mm after
sharpening.
If the knife will be shorter than 46 mm, then the knives should be replaced. Please
contact your nearest Hansa dealer.
Sharpen the knives
Sharpen the knives on a surface grinder. A cutting angle of 36 ° is critical for the
performance of the chipper. Make sure plenty of coolant is used when grinding to
avoid softening of the steel knives.
WARNING! Be careful when working around the sharp knives. Be aware that even though the power source is
unplugged, the cutting means can still move.
1
2
3
MIN 46 mm
4
36 °

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Reinstall the knives
Clean all mounting surfaces and remount
the knives in the reverse procedure.
Note: Be sure to replace the knives the
correct way arou
nd (as shown in the
diagram). Only tighten the clamping bolts
enough to hold the knives in place during
adjustment. Do not tighten them fully until
step 7.
Adjust the knives
initially using the
adjustment bolts to protrude the edge of
the knife just past the edge of the knife
holding block.
After sharpening, the width of the knives
will have been reduced, therefore the gap
between the knives and anvil may require
adjustment. This gap is tapered out slightly
to allow for a small amount of movement in
the cutting rotor as it bites into the wood.
If there is not enough clearance, the knife
edge may touch the anvil through
deflection when cutting heavy branches
and damage the sharp edge. Too much
clearance will allow small twigs and fibrous
materials to be dragged through without
being cut.
Adjust the knife in or out using the two
adjustment bolts
to achieve the correct
clearance between the knife and anvil. The
clearance between the knife and anvil
should be approximately
1 mm on the
inside closest to the bearing and 3 mm on
the outside closest to the edge of the
cutting rotor (refer to diagram for more
detail).
After the correct clearance is set, fully
tighten the clamping bolts using a torque
wrench to 35 N.m. and tighten the locking
nuts on the adjustment bolts.
5
6
Knife holding
block
Knife
Side view: Rotor disc
Knife
Adjustment bolts
Locking nuts
Rotor disc
Knife holding block
Clamping bolts
Clamping plate
7
Anvil
Cutting
rotor
Knife
1 mm
clearance
3 mm
clearance
Bearing
Top view: Knife and anvil set-up
Edge of
cutting
rotor

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Note: Before adjusting the knives, ensure
the gap between the holding block and the
anvil is 4 - 5 mm. If not, then the anvil can
be adjusted through the mounting slots.
Once the position has been set, tighten the
three M10 countersunk anvil bolts and
torque to 50 Nm,
then make further
adjustments with the knives as described
above.
Turn the cutting rotor slowly by hand to
check that it turns freely.
Close and secure the outlet chute.
Anvil adjustment/replacement
When cutting edge of the anvil is dull, the anvil may be reversed can be reversed. Each edge of the anvil will typically last for several
hundred hours of operation. When both edges are worn, the anvil will need to be replaced.
To access the anvil the inlet chute needs to be removed (use the reverse procedure to fit the inlet on page 3). A 5 mm Allen key,
17 mm socket and an extension are required to remove the anvil.
With the knives removed or set right back, the gap between the knife holding block and anvil should be 4 - 5 mm. The position of
the anvil can be adjusted through the mounting slots. When this has been set, tighten the three M10 countersunk anvil bolts using
a torque wrench to 50 Nm and then make further adjustments with the knives as described above.
Turn the cutting rotor slowly by hand to check that it turns freely.
Engine servicing
For servicing of the engine, please refer to the Honda engine manual (C13c) or the Briggs and Stratton engine manual (C16c).
Checking engine oil
It is recommended you check the oil level every time you use your chipper. Use a good quality oil such as SAE 10W30 or SAE 10W40.
For optimal performance of your chipper, the engine oil should be completely changed every 100 operating hours, or roughly once
every 12 months on average.
C16c: To check the oil level on the Briggs and Stratton Vanguard engine, unscrew the oil filler cap/dipstick, clean the dipstick, then
insert the dipstick into the oil filler cap. Screw the dipstick all the way in for an accurate reading. Refill the oil to the FULL mark on
the dipstick, if required.
WARNING! Every time the knife clamping bolts are torqued up to 22 Nm and loosened off again, the life of the bolts is
reduced. The knife clamping bolts must be replaced at most after every six sharpens. Contact Hansa for replacement
bolts (m8x35 bolts of grade 10.9 or higher). Use only genuine Hansa bolts.
8
Oil filler
cap
Oil dipstick

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Belt tension
Correct belt tension is crucial for minimising belt wear and maximising machine efficiency. To check the belt tension, first ensure
the belt drive is disengaged by turning the engagement handle anticlockwise. Then, from the fully disengaged position, gently turn
the engagement handle clockwise until you feel it start to resist. From this position, turn the engagement handle clockwise. If the
tension is set correctly, the handle should turn one full revolution clockwise before coming to a stop. If there is a difference greater
than 1/6 of a revolution either clockwise or anticlockwise from one full revolution, then the belt tension should be corrected
following the ‘adjusting belt tension’ procedure.
Adjusting belt tension
Using two 24 mm spanners, unlock the two locking nuts from
above the adjustment block on the engagement handle by
turning the top nut anti clockwise and the bottom nut
clockwise. Then move both locking nuts
upward along the
thread.
Changing engine oil
Run the engine for 1-2 minutes in order to warm up the oil. Place a container underneath the engine. Remove
oil filler cap/dipstick and oil drain plug, then let the oil drain into the container, through the opening in the
chassis.
Screw the oil outlet drain plug back in and fill the engine with SAE 10W30 or SAE 10W40 through the oil filler
cap/dipstick hole. The oil capacity of the C13c and C16c are 1.1 L and 1.4 L respectively.
Recheck the oil level. It should be close to, but not above, the upper limit indicator on the dipstick. Screw the oil
filler cap/dipstick back into the hole. Dispose of the used engine oil in an environmentally sensitive way.
1
2
3
1
Adjustment
nuts
Adjustment
block
Oil cap
Oil drain
plug

Hansa C16c O&M Manual – OM-020 Revision B 24/06/2019
© Hansa Chippers 2019
16
From the fully disengaged position, gently turn the
engagement handle clockwise until you feel it start to resist.
From this position, turn the engagement handle one full
revolution clockwise. This is the recommended tension for the
belt drive when in the fully engaged position.
Using two 24 mm spanners, screw the two M16 adjustment
nuts downwards until they touch the adjustment block. Then
turn the top nut clockwise and the bottom nut anti clockwise
simultaneously to lock the nuts in place.
Belt replacement
If the belts in your chipper look similar to any of the following images or are clearly broken, then they need to be replaced.
If a belt change is necessary, follow these steps
Using a 19 mm spanner, unbolt and remove the roll cage
(4xM12 bolts).
2
3
1
Adjustment
nuts
Adjustment
block
Cracked underside of belt
Sidewall belt wear
Soft, swollen belt
Worn cover on back of belt
Split belt cover

Hansa C16c O&M Manual – OM-020 Revision B 24/06/2019
© Hansa Chippers 2019
17
Using a 5 mm Allen key, unbolt and remove the pulley
guard (8xM8 cap screws).
Note: Engine not shown in this view.
Using two 17 mm spanners, unbolt and remove the engine
(4xM8 Nuts).
Note: loosen the belt tensioner to allow room for removal.
Remove the old belts and replace (2 x B34 vee belts).
Note: The belts pass in between the idler wheel and belt
guide on the tensioner arm.
Place engine back in place and ensure the pulleys are in
line.
2
3
4
5
Idler Wheel
Tensioner arm
Belt guide

Hansa C16c O&M Manual – OM-020 Revision B 24/06/2019
© Hansa Chippers 2019
18
Fully tighten the four bolts holding the engine to the
chassis. Check the pulleys are still in line by placing a
straight-edge across the top and bottom front pulley. If
they are not in line, loosen the four bolts holding the
engine in to the chassis and then repeat this step.
Ensure belts are properly tensioned (follow the ‘Adjusting
belt tension’ process on page 17). Fasten the pulley guard
back into place. Fasten the roll cage back into place.
Note: Engine not shown in this view.
Note that after replacing a belt, the tension of the new belt will quickly change as the belt initially wears into the pulley system.
Recheck the belt tension after two hours of operation after belt replacement.
Tyre pressure
The maximum recommended tyre pressure is 25 Psi. Over inflation may cause tyre to rupture.
Bolt torque
Relative Strength Bolt Marking
4.6
8.8
Recommended Tightening Torque
Recommended Tightening Torque
Bolt size
Spanner size
lb ft
Nm
lb ft
Nm
M8
13 mm
6
8.5
16
22
M10
16 mm
12.5
17
32
44
M12
18 mm
22
30
57
77
M16
24 mm
54
73
140
190
M20
30 mm
105
143
274
372
6
7