Farmi Forest CH 160 Guide

Farmi Forest Corporation
Ahmolantie 6
FIN-74510 Iisalmi, Finland
Tel. [phone]
Fax. [phone]
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CH 160
CH 160T i=2,1
OPERATION, MAINTENANCE
AND SPARE PARTS MANUAL
READ THIS OPERATION AND MAINTENANCE MANUAL CAREFULLY
BEFORE USING THE MACHINE
FROM MACHINE: 03513920 I-EN-151107-ER
CHIPPER

CH160
2
WARNINGSYMBOLS IN THIS MANUAL
imminent danger which could cause serious personal injury or death•
danger which could cause personal injury•
conditions or misuse that could damage equipment or machinery•
NOTE! reminders, such as for performing checks or carrying out
maintenance or repair procedures
•
INTRODUCTION
This manual includes the information and maintenance instructions required for operating
the machine in the optimal manner.
Although you have experience in using this kind of machinery, read the operation and mainte-
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the machine.
Each and every operator must read, understand, and follow all safety
instructions and procedures.
CUSTOMER FEEDBACK
We are happy to receive your opinions and suggestions for improvements by mail, fax or e-mail.
All implemented suggestions for improvements will be rewarded.
DANGER!
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WARNING!
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CAUTION!
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CAUTION!
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CH160
3
MANUFACTURER’S DECLARATION OF
CONFORMITY
Farmi Forest Corporation
Ahmolantie 6, FIN-74510 IISALMI, Finland
Informs that the machine, launched on to the market
Farmi Chipper
(make)
CH160 / CH160T
(type)
(serial number)
conforms to the directives 98/37/EC and 89/336/EC, as amended, and the national regulations
bringing these directives into force.
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EN 12100-1/2, EN 982, EN 60201-1
Iisalmi , Finland 15.11.2007
(place) (date)
Juha Hallivuori

CH160
4
M6 10 7/16
M8 13 1/2
M10 17 11/16
M12 19 3/4
M16 24 15/16
M20 30 1 3/16
M24 34 1 7/16
When ordering spare parts, please indicate machines type from the machine plate, spare parts order
number, description and quantity required.
Example. CH160, knife, 43510220, 2 pc
TABLE OF CONTENTS
Thread Millimeter Inch
SAFETY INSTRUCTIONS 5
STICKERS AND PLATES 8
PRESENTATION 10
LIFTING 12
ASSEMBLY INSTRUCTIONS 12
SHORTENING THE PTO SHAFT 13
MOUNTING ON THE WILLE 445 ADAPTER 14
MOUNTING ON THE BOBCAT ADAPTER 15
INSTALLING THE HD 100 16
INSTALLING THE 160T i=2.1 BELT TRANSMISSION 17
OPERATING THE CHIPPER 18
STOPPING A TRACTOR-DRIVEN CHIPPER 18
PERIODIC MAINTENANCE 20
KNIFE AND ANVIL MAINTENANCE 21
REPLACING THE SPLINED SHAFT 24
REPLACING THE BEARING 25
ADJUSTING THE BEARING CLEARANCE 26
SPARE PARTS 27
DISCHARGE PIPE 27
CH160 28
BELT TRANSMISSION CH160T i=2,1 30
BEARING SYSTEM 32
MOUNTING FRAME 33
FEED CHUTE F160 34
LÖSI EPMS 100 C 36
HD100 38
ADAPTER WILLE 39
ADAPTER BOBCAT 40

CH160
5
SAFETY INSTRUCTIONS
These safety instructions are meant for the owners
of FARMI equipment, as well as those who operate,
service or repair it.
The instructions help with:
using the machine safely, appropriately and
effectively.
identifying, avoiding and preventing potentially
dangerous situations.
The manufacturer supplies an instruction manual,
which must always be available at the place of
operation of the machine. Each user must read the
safety, maintenance and operating instructions be-
fore operating the machine, and comply with these
instructions at all times.
Ensure that every operator of the machine is
familiar with the content of the instruction
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instructions, and has been suitably trained
before operating the machine.
The machine complies with technical requirements
and applicable safety regulations. However, incorrect
use, maintenance or repair of the machine may
cause risks.
In addition to the instruction manual, remember to
comply with regulations of the local occupational
health and safety authorities, and with your
country’s laws and decrees.
The manufacturer is not liable for damages
caused by:
incorrect, negligent or inappropriate use of the
product.
non-original spare parts.
normal wear and tear.
misuse caused by an untrained person’s
improper actions.
alterations made without the manufacturer’s
permission.
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Written authorization
must be requested from the
manufacturer for any
alterations to the machine.
STARTING
Familiarize yourself thoroughly with the use,
operation and controls of the machine and its
equipment before starting.
Familiarize yourself with the capacities and
limitations of the machine and its equipment.
Do not use the machine unless you are
completely familiar with its operation.
Be aware of the machine’s danger zones.
During operation, prevent bystanders from
entering the danger zone.
Ensure that each operator has the necessary
safety equipment, such as a helmet, safety
goggles, work safety boots and suitable protective
clothing.
Never wear loose clothing around moving parts.
Protect long hair!
Ensure that work is carried out according to the
stipulations of applicable occupational health
and safety legislation.
Before starting up or using the machine, ensure
that it cannot cause a risk to other people or
property.
Perform a safety check on the machine before
every use. If you observe any faults or
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Before operating the machine, ensure that there
are no foreign articles in it.
Place the machine on a hard, level surface for
operation. In the winter avoid working in slippery
areas.
Before operation, ensure the machine is properly
connected.
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CAUTION!
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CH160
6
OPERATION
Many occupational accidents
take place in abnormal
circumstances. Therefore it is
important to take into account
all the possible circumstances
that may arise during operation
of the machine.
Depending on the machine’s type, it will have
diverse safety devices and protectors. These are
meant to protect the machine and its operator,
and they must never be removed or altered.
Never start up or use the machine without all
the safety devices and protectors in place. Also
check the universal joint’s safety equipment and
joins.
Never insert any body part into the machine with
the engine running.
If any faults arise that may jeopardize occupational
safety, turn off the machine.
During operation, the machine’s operator is
responsible for safety in the whole work area.
Work may not be carried out in the presence of
any factors that jeopardize occupational safety.
Exercise extreme caution when hitching /
unhitching the machine from a tractor/trailer.
The machine’s operator must
have constant, unobstructed
visibility of the work area. If
this is not possible, the ope-
rator must work with an assis-
tant.
Look out for moving parts when the machine is
in operation.
Secure the machine against unauthorized and
accidental operation (e.g. moving when parked)
whenever it is left unattended.
Never leave the machine running unattended.
Avoid causing fast, stroke-like loading.
Never exceed the given operating values.
All safety and warning signs on and in the
machine must be legible and intact.
The machine may not be operated by persons
ZKRDUHXQZHOORUXQGHUWKHLQÀXHQFHRIGUXJV
or alcohol.
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MAINTENANCE
The machine may only be serviced and repaired
by professionals.
Electrical and hydraulic faults may only be
repaired by authorized professionals.
In cases requiring welding, contact
the manufacturer.
Turn off the tractor engine and disconnect the
universal joint before beginning service or
maintenance actions.
Ensure that there is no pressure in the hydraulic
system.
Take out the key from the tractor’s ignition for
the duration of the servicing or maintenance.
Check that the power is off from the machine
you are working on.
When servicing the machine, place it on a level
surface and ensure that it cannot be moved.
Observe the service intervals and annual safety
inspections.
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manufacturer’s requirements. This can be
guaranteed by using original parts.
Put all safety devices back into place immediately
once servicing or maintenance is complete.
When lifting the machine,
check that the lifting/hoisting
equipment is in perfect
working order. Check the
weight of the machine before
lifting it. Choose lifting
trajectories so that they do not
cause any danger.
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hoisting cables and hoists. Always comply with local
safety regulations.
OILS AND LUBRICATION
Always use the oil types recommended by the
manufacturer. Other types of oil may cause
faults or improper operation of the equipment,
which could lead to serious damage to people or
property.
Never mix different liquids or oils.
Always follow the manufacturer’s lubrication
instructions.
Use control equipment carefully until the hydraulic
oil has had time to reach its operating temperature.
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DANGER!
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CAUTION!
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CAUTION!
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CH160
7
SAFETY INSTRUCTIONS
FOR HYDRAULIC CIRCUITS
Work on hydraulic equipment may only be
carried out by professional hydraulic engineers.
Be cautious when using the equipment in cold
conditions.
Check the machine for leaks. Do not use the
machine if there is a leak from any system.
Check all hydraulic hoses – particularly those
which are bent during use – and replace any
that are in poor condition or have leaks. Ensure
that all joins are tight and that the lines are not
damaged. Check that all protective caps and
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Check that all hose connectors, lengths and
qualities comply with applicable requirements.
When replacing or repairing hoses, use original
parts or hoses and connectors recommended
by the manufacturer. Check particularly that the
pressure classes of the hoses and connectors
are suitable to the operating pressure levels.
Check that all safety devices such as pressure
relief valves, etc., are in place and work properly.
Familiarize yourself with their use.
Safety systems may never be bypassed.
Check the main hydraulic parts daily, and
always after a fault. Replace any damaged
parts immediately.
If a component is damaged, clean it before
repairing it. Do not use solvents when cleaning
parts.
Do not attempt to carry out repairs that you are
not fully familiar with.
Never carry out repairs of the hydraulic circuit
when the system is pressurized. When
pressurized, the oil spray can penetrate the skin
and cause mortal danger.
Never work below a device or component that is
only being held up by hydraulics.
Use separate supports when carrying our
maintenance or repairs. Do not disconnect
cylinders or their valves until the machine is well
supported.
Most hydraulic oils do not evaporate easily. Risk
factors include hot oil, spills and oil mist
(pressurized).
If oil gets into your eyes, rinse with plenty of
water and contact a doctor.
Avoid prolonged or repeated contact with your
skin.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
If sprays or contact with the skin cannot be
avoided, use protective gloves, goggles and
clothing as necessary. Do not use oily clothing.
Avoid discharging hydraulic oil into the
environment, as it can pollute waterways and
the groundwater. When working in ecologically
vulnerable areas, use biofuel.
Store the oil in sealed containers provided by
the manufacturer. Try to transfer the oil directly
from its container into the tank.
If the oil must be passed through other containers,
ensure that they are completely clean. Caps,
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clean.
Never store oil outdoors, as water could condense
in it.
Always dispose of oil in a suitable container,
never into the environment!
14.
15.
16.
17.
18.
19.

CH160
8
651 7
4
3
24 5
STICKERS AND PLATES
These plates and stickers must be found on the chipper. Replace missing plates or stickers immediately.
2. Manufacturer sticker (40605214)
1. Machine plate CH160 (41012520) 1. Machine plate CH160T (41011740)

CH160
9
30616171
3. Note! (41015500)
Note!
See operation and maintenance manual.
Note!
Stop the engine and remove the PTO shaft for
maintenance.
Risk of cutting injury!
Stop the engine and wait until the disk has
stopped.
4. Wear hearing protection. (40142080)
5. Lifting point sticker (41014270)
7. FARMI sticker (30616171)
6. Rotation speed sticker (40141160)

CH160
10
1
10
9
8
7
6
5
4
3
2
11
PRESENTATION
The FarmiCH160 is a double-knife disk cutter for
chipping wood up to ø160 mm, for processing
wood waste from, e.g., the side of jogging tracks
or roads, and for other environmental chipping
duties. The chipper can be driven by a tractor with
a rating of 10–40 kW. The chipper can also be
driven by a separate hydraulic motor.
CH160 accessories:
Single-motor hydraulic feeder or
mechanical hopper
Independent hydraulic unit HD11
Separate hydraulic motor drive
“Wille” adapter
“Bobcat“ adapter
Belt transmission 160T
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MAIN COMPONENTS
UPPER CHAMBER
LOWER CHAMBER
DISK
KNIFE
VERTICAL ANVIL
HORIZONTAL ANVIL
TWIG BLADE
DISCHARGE PIPE
LID
HYDRAULIC MOTOR (OPTIONAL)
BELT TRANSMISSION 160 T (OPTIONAL)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Fig. 1. Main components

CH160
11
1200 1910
600
710
197
270
590
220
805
700
DIMENSIONS
TECHNICAL DATA CH160
Type disc chipper
Output 5-20 m3/h
Chip length 13 mm
Max. wood diameter 160 mm
Power demand 10-40 kW
PTO rpm 540 tai 1000 rpm
Number of knives 2 pc
Power source tractor or a separate hydraulic motor
Mounting 3-point linkage
Chipper weight CH160 240 kg
CH160T 284 kg
Disc diameter 670 mm
Disk weight 100 kg
Discharge pipe turning 360o
Opening of upper chamber to one side
Feeder manual chute or hydraulic feeder
Sound pressure level
Sound power level
CEN/TC144 WG8N16
102 dB (A)
120 dB (A)
Fig. 2. CH160 dimensional drawing
short discharge pipe long discharge pipe

CH160
12
1
3
2
3
LIFTING
Lifting points for each
machine are marked with
hook symbols.
Fig. 3. CH160 lifting point.
ASSEMBLY INSTRUCTIONS
Attach the feeder to the chipper from the left
side with the hinge pin (1) and from the right
side with two bolts (M12) (2). Remember to
install the securing bolts (M6) (3). See Fig. 4.
Attach the discharge pipe to the chipper with
two M10 bolts and one M16 bolt.
Mount the chipper on the tractor’s 3-point
hitch.
Install the PTO shaft.
Check that the length of the PTO shaft is cor-
rect for different hitch positions.
1.
2.
3.
4.
5.
Fig. 4. Mounting the feeder
CAUTION!
!
CH 160 240 kg
CH 160 T 284 kg
Without feeder

CH160
13
A
A
40
12
SHORTENING THE PTO SHAFT
Connect the device to the tractor.
Measure the distance between the splined
shafts (Distance A)
First cut the thicker shaft shield to the correct
length (1). Remember to leave at least a
40 mm clearance. Then cut a similar length
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of the PTO shaft in the same way. File off the
burr.
Interconnect the tubes and check that the
shaft has been shortened enough by moving
the machine gently. Ensure that there is a 40
mm clearance. Also move the machine
sideways to check that the shaft moves freely.
1.
2.
3.
4.
Fig. 5. Measure A, when the distance between the
splined shafts is at its shortest.
Fig. 6. Shortening the PTO shaft

CH160
14
1
3
2
2
1
MOUNTING ON THE WILLE 445 ADAPTER (Mounting kit 43510500)
Attach the top link brackets of the adapter and chipper together with M20 pin and nut. (1)
Attach the grabbers to the chipper’s drawbar assy with four bolts (M16) (2).
The grabbers have three grooves for the drawbar of the drawbar assy. Attach the grooves of the
grabbers (3) so that the chipper is as vertical as possible at the operating position.
Fig. 7. Mounting on the Wille 445 adapter
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CH160
15
1
4
3
2
MOUNTING ON THE BOBCAT ADAPTER (Mounting kit 03510800)
The mounting assembly replaces the drawbar assy on the chipper frame.
Attach the mounting plate to the top link brackets of the chipper with M20 pin and nut (1).
Attach the left and right bracket to the chipper with four bolts (M20) (2).
Attach the upper beam with four bolts (M12) (3).
Attach the upper beam to the mounting plate with four bolts (M12) (4).
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Fig. 8. Mounting on the Bobcat adapter
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CH160
16
INSTALLING THE HD 100
The chipper can be driven with a separate hydraulic motor coupled to the chipper shaft.
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Attach the coupling sleeve with the keyway facing the hydraulic motor.
Attach the hydraulic motor to the motor bracket. Check that the coupling sleeve is on the chipper’s
splined shaft.
Connect the hydraulic hoses to the hydraulics of the drive machine.
Fig. 9. Installing a separate hydraulic motor
1.
2.
3.
4.
Pressure P
Tank T

CH160
17
1
2
10
9
8
7
6
54
3
11
0,5 mm
+
--
12 13
1
INSTALLING THE 160T i=2.1 BELT
TRANSMISSION
Remove the PTO guard and install to the cover
plate (1). Remove the mounting bolts of the
small cover plate and remove the cover plate (2)
from the mounting frame. These components
will not be needed later. See Figure 10.
Attach the upper belt pulley assembly (3) and
the regulator plate (4) to the chipper with the
M12 bolts (5). Tighten the bolts lightly so that the
bearing housing can be moved. See Figure 11.
Install the belt tightener (6) with the pin (7) and
the adjusting assembly with the pin with hole
(8). Secure the pins with cotter pins.
Install the belts on the upper belt pulley.
Push the lower belt pulley (9) onto the splined
shaft without the tightening cone (10) while
placing the belts into the grooves of the lower
belt pulley.
Install the lower belt pulley tightening cone,
NordLock lock washer pairs, and tightening
cone bolts (M12) (11). Tighten lightly so that
the lower belt pulley can be moved on the
splined shaft.
Check the alignment of the belts - see Figure 12.
Adjust the alignment of the belt pulleys by
moving the upper belt pulley bearing housing
and the lower belt pulley.
Tighten the bolts of the upper belt pulley
bearing housing and the bolts of the lower belt
pulley tightening cone (5 and 11) M12 to 80 Nm.
Re-check the alignment of the belts and adjust
if necessary.
Adjust the belt tightener so that the roller
touches the belts lightly, then tighten the
adjusting bolt (12) by two to three turns. See
Figure 13. Be careful not to over-tighten, as
this could damage the belts!
Attach the plate (1) to the mounting frame with
bolts M8 (13).
Mount the chipper on the tractor. To check that
everything is in order, run the chipper for a
while at slow speed.
7KHEHOWVPXVWEHUXQLQ¿UVWZLWKRXWORDGIRU
about ½ hour and then with the chipper loaded
OLJKWO\IRUWKH¿UVWKRXUVRIDFWXDOXVH
Observe the tightness of the belts and, if
necessary, adjust with the adjusting bolt (12).
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Fig. 10. Removing the covers
Fig. 11. Installing the 160T belt transmission
Fig. 12. Belt alignment
Fig. 13. Installing the 160T belt transmission cover
plate

CH160
18
OPERATING THE CHIPPER
INSPECTIONS PRIOR TO OPERATION
Park the chipper on level, hard ground.
Stop the tractor’s engine and ensure that the
chipper is fully stopped before carrying out the
inspections.
Check that the disk rotates freely by turning
the shaft, and ensure that there are no foreign
objects inside the chipper.
Ensure that all protective devices are intact
and in place.
Removal of the covers is prohibited.
'LUHFWWKHGLVFKDUJHSLSHVRWKDWÀ\LQJFKLSV
do not pose a risk to the operator or anyone
else.
STARTING THE CHIPPER
Start the chipper at low tractor engine speed
and increase the speed slowly to the required
chipping speed (540/1,000 rpm).
The chipper is now ready for chipping.
STOPPING A TRACTOR-DRIVEN CHIPPER
Slow the tractor engine speed to idle before
disengaging the PTO. This is especially
important with tractors featuring a PTO brake
(e.g., Ford). Turn the PTO control lever slowly
to the OFF position.
STOPPING A HYDRAULIC MOTOR DRIVEN
CHIPPER
IMPORTANT! When the chipper is driven by
the HD100, it is extremely important to slow
the driving engine speed to idle before
disconnecting the hydraulics, to prevent
cavitation.
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Never disconnect the
hydraulics from high rpm.
This will cause a risk of
cavitation and may damage
the hydraulic motor.
Check that no sounds
indicating cavitation can be heard from
the hydraulic motor.
After stopping the chipper,
wait for all movement to
stop. The disk continues
URWDWLQJOLNHDÀ\ZKHHODIWHU
the PTO is disengaged.
CHIPPING
Before feeding in the material to be chipped,
ensure that the wood is free from nails,
stones, etc.
Feed the wood from a standing position on the
left side of the feeder.
Push the wood inside the feed chute until
chipping starts. Let go of the wood as soon as
the self-feeding starts.
If you are using a hydraulic feeder, refer to the
separate chipping instructions in the feeder
manual.
Do not use the chipper in
temperatures below -20oC.
This is to avoid damage due
to brittleness – especially in
the knives – caused by the
cold. Avoid chipping wood
that is frozen solid, as self-feeding is reduced
in this case.
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CAUTION!
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DANGER!
CAUTION!
!

CH160
19
ROTATING KNIVES!
Knives can cause cutting
injury. Do not reach inside
the feed chute with hands or
feet.
FIRE HAZARD! Always keep
DGHTXDWH¿UH¿JKWLQJ
equipment on hand when
using the chipper.
Check the outside
temperature of the chipper
regularly. If the chipper heats up abnormally,
stop the chipper and determine the cause of
the overheating.
Check the temperature of bearings regularly.
Pay special attention to careful maintenance,
and keep the chipper free from dust.
If the chipper starts smoking, pour water
down the feed chute.
REDUCING THE POWER DEMAND
When using a small tractor to power the CH160
chipper, select a PTO speed of 540 rpm. Run the
tractor at full engine speed.
If the tractor’s engine speed still decreases during
chipping, reduce power demand by altering the
chipper to cut with one knife.
The chipper is altered for single-knife operation
simply by removing one knife and attaching it to
the other side of the disk as a counterbalance, to
retain the balance of the disk.
Since the chipper is self-feeding, the feed speed
of wood is also halved.
See Sections “Removing the upper chamber”
and “Sharpening the knives”.
Place a spring washer on the bolt. Turn the
lock nut on the bolt and tighten to 45 Nm.
Place another spring washer on the bolt and
turn the bolt through the knife into the disk.
See Fig. 14. Tighten the bolts to 45 Nm. Attach
the knife using all four bolts.
Interchange the cutting and counterbalance
knives regularly to ensure the balance of the
disk.
1.
2.
3.
4.
WARNING!
!
!
DANGER!
NUT M10
SPRING WASHERS
M10 X 40
Fig. 14. Remove one knife and attach it to the other
side of the disk. The dotted line shows the knife in
its normal cutting position.

CH160
20
1
5
4
3
2
PERIODIC MAINTENANCE
Always disengage the PTO
and stop the tractor and
chipper fully before mainte-
nance or repair work.
Ensure that the disk is fully stopped before
inserting anything inside the feed chute.
Lock the disk before maintenance or repairs.
Park the chipper on hard, level ground to
avoid it falling over.
Wear protective gloves when handling kni-
ves or anvils.
PERIODIC INSPECTIONS
With new machines, check the mounting bolts
IRUWLJKWQHVVDIWHUWKH¿UVWRSHUDWLQJKRXUWLJK-
tening them if necessary. Tightening torques
are shown in table.
Check the mounting bolts for tightness once a
week.
The knife-to-anvil clearance is adjusted to the
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the clearance, see Adjusting the knife-to-anvil
clearance.
•
•
•
WARNING!
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mm (inches)
Tightening torque, Nm
(lbf)
1. Check the knife bolts for tightness. 17 mm (11/16”) 60 (44 3/16)
2. Check the bearing housing bolts for
tightness on both sides..
19 mm (3/4”) 80 (58 15/16)
3. Check the anvil bolts for tightness. 24 mm (15/16”) 200 (147 3/8)
4. Check the clearance between knives and
vertical anvils.
19 mm (3/4”) 1,2 - 1,5 mm (0,02 - 0,06”)
5. Check the bearings for radial clearance. 0,02 - 0,03 mm (0,008 - 0,0012”)
Fig. 15. Checklist for tightening and checking clearances