Farmi JL501 Guide

JL501
FROM MACHINE:
3042247
TRANSLATION OF
THE INSTRUCTION MANUAL
E-EN-060318-ER
03011030
OPERATION, MAINTENANCE AND SPARE PARTS MANUAL
READ THIS OPERATION AND MAINTENANCE MANUAL
CAREFULLY BEFORE USING THE MACHINE.
SKIDDING WINCH

JL 501
2

JL 501
3
When ordering spare parts, please indicate the machine’s type from the machine plate,
spare part’s order number, description and quantity required.
Example. JL 501, 94624046, torsion spring, 2 pc
TABLE OF CONTENTS
INTRODUCTION 5
PRODUCT DESCRIPTION 5
REMOTE CONTROL MODELS ALLOWED TO BE USED WITH FARMI WINCHES 5
PRODUCT WARRANTY 6
GENERAL SAFETY INSTRUCTIONS 7
SAFETY INSTRUCTIONS FOR WINCHES 10
STICKERS AND PLATES 11
MAIN PARTS AND ACCESSORIES 14
TECHNICAL SPECIFICATION 15
MOUNTING 16
PRE-OPERATION CHECKS 17
CONTROLS 19
OPERATION 19
PRE-OPERATION CHECKS 20
WINCHING 21
SKIDDING 21
WORKING IN ROUGH TERRAIN 22
IF YOU GET STUCK WITH THE TRACTOR 22
DROPPING THE LOAD 22
TRANSPORTATION 22
MAINTENANCE 23
LUBRICATION 23
CLUTCH ADJUSTMENT 23
ADJUSTING THE ROLLER CHAIN TIGHTNESS 24
ADJUSTING THE DRUM BRAKE 24
REMOVING THE WINCH MECHANISM 24
ASSEMBLY OF THE MECHANISM 25
TROUBLE SHOOTING 26
03032182 FRAME 28
03010501 MACHINERY 30
LOWER PROTECTIVE SCREEN 34
43511780 COVER OF THE UNIVERSAL SHAFT 34
33185100 PROTECTIVE SCREEN 35
PRODUCT REGISTRATION FORM 40

JL 501
4
Manufacturer:
Farmi Forest Corporation
Ahmolantie 6, FIN-74510 IISALMI, Finland
Person authorized to compile the technical documentation:
Name: Matti Berg
Address: Ahmolantie 6, FIN-74510 IISALMI, Finland
Commercial name:
Farmi
Machine denomination:
Skidding winch
Machine type:
JL501
Machine series number:
Herewith, we declare that the machine brought into circulation conforms with
the pertinent requirements of the Machinery Directive 2006/42/EC.
The following harmonized standards were used for the conceptional design of
the machine:
EN ISO 12100, SFS EN ISO 13857, SFS EN ISO 4254-1
Iisalmi 6.3.2018
(Place) (date)
Sami Jerkku
EC DECLARATION OF CONFORMITY
Original declaration of conformity

JL 501
5
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 maintenance instructions
carefully since they include information enabling ecient and safe operation. Regular maintenance is the best
way to guarantee the ecient and economical performance of the machine.
Each and every operator must read, understand, and follow all safety instructions
and procedures.
CAUTION!
!
PRODUCT DESCRIPTION
A winch is a machine intended for harvesting felled timber from the forest. The basic components are welded
frame, driveline, drum with wire rope, directional pulleys, friction clutch and a brake.
In FARMI winches, there are two dierent kinds of brakes: models EV300, EV35R and JL501 are operated with
ratchet brake and models EV35, JL51, JL61 and JL86 with automatically switched on band brake.
There are also two dierent type of control systems in FARMI winches: 1) Manual control where two ropes are
used by operator to control the unit or 2) electro hydraulic control where operator uses remote control instead
of ropes. In this case, functions are operated with hydraulic cylinders.
Using the wire rope, the logs can be towed to the winch and anchored with chains to the winches slotted dozer
plate. After this logs can be transported to a place where other means of transport are accessible. FARMI winches
may not be used for lifting! Factory setting values may not be changed without a permission of Farmi Forest.
REMOTE CONTROL MODELS ALLOWED TO BE USED WITH FARMI WINCHES
FARMI winches can be equipped with radio remote controls.
• ELCA radio controls:
• Model MITO-ALPI
• Model MITO-VETTA, Farmi Forest specication
• B&B (Made by Telenot): Model F10
Any other remote controls has to meet the requirements of category 1 and performance level c (CAT1 and PL c, SIL 1)
according to standard SFS-EN ISO 13849-1 and may only be mounted with an approval of Farmi Forest Corporation.

JL 501
6
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.
PRODUCT WARRANTY
Farmi provides a 12-months warranty on all Farmi products.
Register on our home page (www.farmiforest.) under FeedBack (”Product Registration” form) within 30 days
after the receipt of the product to get full product warranty and additional information on your product. If it
is not possible for you to register via internet, please register as follows: Complete the registration form on the
last pages of this manual and return it to us within 30 days after the receipt of the product.
WARNING SYMBOLS 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
WARNING!
!
CAUTION!
!
!
DANGER!

JL 501
7
GENERAL 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 eec-
tively.
• identifying, avoiding and preventing potentially
dangerous situations.
The manufacturer supplies an instruction manual,
which must always be available at the place of ope-
ration of the machine. Each user must read the
safety, maintenance and operating instructions
before 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 manual
and situation-specic safety
instructions, and has been sui-
tably 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.
Written authorization must be
requested from the manufacturer
for any alterations to the machine.
STARTING
• Familiarize yourself thoroughly with the use, opera-
tion and controls of the machine and its equipment
before starting.
• Familiarize yourself with the capacities and limita-
tions 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 deciencies,
repair the machine immediately.
• Before operating the machine, ensure that there
are no foreign articles in it.
• Place the machine on a hard, level surface for ope-
ration. In the winter avoid working in slippery areas.
• Before mounting and using the machine, check
the PTO drive shaft for correct condition and
attachment.
• Never use a faulty or decient machine.
CAUTION!
!
CAUTION!
!

JL 501
8
TRANSPORT
• Before driving with the machine, ensure the safe
mounting of the machine. Make sure that the
journals are seating correctly and that the pins are
tight. Check the tension of the lower link stabilizers.
• Before driving with the machine, make sure that
the required lamps and reectors as well as the
slow moving vehicle sign are attached correctly.
Moreover, the lamps should be checked for correct
functioning.
• Before driving with the attached machine, make
sure that the hydraulic unit of the machine is
depressurized (unless otherwise instructed in the
operating instructions).
• When driving on public roads, always observe the
valid trac regulations. The travel speed must be
adapted to the specic conditions.
• When driving, please take into consideration the
additional mass resulting from the machine’s
weight. It may aect the reactions, the steerability
and the braking function of the tractor.
• Please note that the machine rear sways when
turning.
• Pay attention to the machine’s height near bridges
or other height restricting objects.
• When backing o, the machine may obstruct the
rear view. Exercise extreme caution. If necessary,
ask a agman to help you; he can indicate the
required distances.
• It is prohibited for other people to ride on the
machine.
OPERATION
Many occupational accidents
take place in abnormal
circumstances. Therefore it is im-
portant 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 o the machine.
• During operation, the machine’s operator is res-
ponsible for safety in the whole work area. Work
may not be carried out in the presence of any fac-
tors that jeopardize occupational safety.
• Exercise extreme caution when hitching / unhit-
ching 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 operator must
work with an assistant.
• 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
who are unwell or under the inuence of drugs or
alcohol.
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 manufac-
turer.
• Turn o the tractor engine and disconnect the
universal joint before beginning service or main-
tenance actions.
• Before any maintenance work, turn the main power
switch of the tractor to OFF.
• 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 o from the machine you are
working on.
!
DANGER!
CAUTION!
!

JL 501
9
• 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.
• All spare parts and equipment must fulll the
manufacturer’s requirements. This can be guaran-
teed 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 equip-
ment 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.
Many countries have specic legislation on lifting,
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 dierent 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.
SAFETY INSTRUCTIONS FOR HYDRAULIC CIRCUITS
1. Work on hydraulic equipment may only be carried
out by professional hydraulic engineers.
2. Be cautious when using the equipment in cold
conditions.
3.
Checkthemachineforleaks.Donotusethemachine
if there is a leak from any system. Check all hydrau-
lic 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 protec-
tive caps and ller caps are closed properly. Check
the hose sheathing for damage.
4. 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.
5. Check that all safety devices such as pressure relief
valves, etc., are in place and work properly. Fami-
liarize yourself with their use. Safety systems may
never be bypassed.
6. Check the main hydraulic parts daily, and always
after a fault. Replace any damaged parts imme-
diately.
7. If a component is damaged, clean it before
repairing it. Do not use solvents when cleaning
parts.
8. Do not attempt to carry out repairs that you are
not fully familiar with.
9.
Never carry out repairs of the hydraulic circuit when
the system is pressurized. When pressurized, the
oil spray can penetrate the skin and cause mor-
tal danger.
10. Never work below a device or component that is
only being held up by hydraulics. Use separate sup-
ports when carrying our maintenance or repairs.
Do not disconnect cylinders or their valves until
the machine is well supported.
11. Most hydraulic oils do not evaporate easily. Risk
factors include hot oil, spills and oil mist (pressu-
rized).
12. If oil gets into your eyes, rinse with plenty of water
and contact a doctor.
13. Avoid prolonged or repeated contact with your
skin.
14. If sprays or contact with the skin cannot be avoided,
use protective gloves, goggles and clothing as ne-
cessary. Do not use oily clothing.
15. Avoid discharging hydraulic oil into the environ-
ment, as it can pollute waterways and the ground-
water. If biodegradable oil is to be used, please
contact the manufacturer beforehand and have
the suitability of your equipment for the operati-
on with biodegradable oil conrmed by him befo-
re such oil is used.
16. Store the oil in sealed containers provided by the
manufacturer. Try to transfer the oil directly from
its container into the tank.
17. If the oil must be passed through other containers,
ensure that they are completely clean. Caps, fun-
nels, sieves and lling holes must also be clean.
18. Never store oil outdoors, as water could condense
in it.
19. Always dispose of oil in a suitable container, never
into the environment!
CAUTION!
!

JL 501
10
SAFETY INSTRUCTIONS FOR WINCHES
• Check that the wire cable is in good condition
before using the winch (check for corrosion, sharp
bends, breakage and thickness of strands). If a cab-
le snaps, it can whip towards the operator or away
from the winch.
• Operate the winch with a guide cable at least 2
meters away to the side of the machine. Do not
operate the winch from the tractor cabin unless
a safety net has been installed.
• When winching downhill, the pulling must be done
from the side using an additional idler.
• When winching on a hill, do not follow the load
from below.
• Side-winching must not be done at angles of
more than 30 degrees.
• It is extremely dangerous to be in the space bet-
ween a load attached to the wire cable and the
winch.
• Check that all bystanders are at a safe distance of at
least 15 meters whenever the machine is running.
Place warning signs on approaching roads.
• Never touch the wire cable by hand during
winching.
• The maximum load must be adjusted to conditions.
• Check that the winching chains are carefully at-
tached. Do not attach the wire cable directly to
the load.
• The safety coecient must be 2.5 for cable-type
fasteners and 2 for chain-type fasteners.
• Disconnect the transmission before examining the
machine in the case of any faults.
• Ensure the wire cable is as short as possible during
transport.
• The winch may only be used for winching and hau-
ling. Do not use the winch for lifting loads.
The noise level from the engine should not exceed 70 dB. Check the engine noise and
wear ear protection if it exceeds 70 dB.
CAUTION!
!

JL 501
11
1
7
6
5
4
3
2
The following plates and labels must be correctly attached to the machine.
Missing safety plates / labels must be replaced immediately.
STICKERS AND PLATES
1. Machine plate JL501 (41011960)
2. Note! See manual for operation and
maintenance. (41014750)

JL 501
12
3. Nr 41014740
Falling danger!
Do not work in an oblique position.
Crushing danger!
Do not use the winch for the lifting.
Watch out for a breaking cable!
Always use the protective screen.
4. Nr 41014730
Note!
Before doing maintenance work turn o the motor,
remove the ignition key and disengage the P.T.O.
Accident danger!
Keep the safety equipment where it belongs.
Winding danger!
Do not wear too loose clothes and keep the hair bound
inside the cap.

JL 501
13
5. Nr 41014720
Falling danger!
Do not winch at sideways angles exceeding
30 degrees.
Crushing danger!
Do not stand in front of the winch when working. Stand
on the side at a distance of at least
6 ft from the winch.
Crushing danger!
Do not winch downhill.
6. Maximum rpm (42381474)
7. FARMI-sticker (40147110)
8. Sticker 501 (40147280)

JL 501
14
MAIN PARTS AND ACCESSORIES
Pulley
Lower diverting pulley
Cable
(optional)
Upper diverting pulley
Drive shaft
Clutch engagement lever
Latch rope
Control rope
Cable drum
Finger protection
Dozer blade
Drum locking latch
Accessories are separately specied.

JL 501
15
750--990 (291/2”--39”)
520(20 1/2”)
420(16 1/2”)
170 0(67”)
150 0(59”)
TECHNICAL SPECIFICATION
JL 501
Tractive power Cable drum empty ( Maximum)
Cable drum full (Minimum)
50 kN
19 kN
Cable capacity
Ultimate strength of the cable 1,96 kN/mm2
55 m of ø 11 mm (180 ft of 7/16”) cable
compacted
Winching speed 350 rpm
540 rpm
0,3 - 0,9 m/s (1-3 ft/s)
0,5 - 1,4 m/s (1.6-4.6 ft/s)
Weight( without cable) 250 kg (552lbs)
Clutch Mechanical friction plate clutch with heat sink
Power transmission Universal shaft from tractor
Mounting To 3-point hitch(Kat.I and Kat.II)
Power needed min. 25 kW (34 hp)
DIMENSIONS

JL 501
16
A
A
20
12
SHORTEN THE DRIVE SHAFT
Both PTO halves must be shorte-
ned by equal amounts.
Fig. 1. Measure A when the drive shafts are nearest to
each other.
Fig. 2. Shorten the drive shaft
• First cut the thicker cover to a correct lenght (1).
Remember 20 mm (0.78”) clearance.Then cut away
the same amount from the form pipe. Make a simi-
lar shortening to the second half of the PTO shaft.
Remove the burr with the le.
• Connect the PTO shafts within each other. Make
sure by moving eevator carefully up and down that
the shortening of the axis is sucient. Check that
the axis have 20 mm (0.78”) latitude.
MOUNTING
MOUNTING TO THE 3-POINT HITCH
The winch can be mounted to the 3-point linkage of
any tractor. Power transmission is obtained through
universal shaft from tractor.
ASSEMBLY OF THE PTO SHAFT
If the PTO shaft is too long it may
get pressed when the three point
hitch is lifted up. This may cause
damage to the bearings of the
winch or to the PTO of the trac-
tor. The PTO shaft must not be
too short in any position.
The PTO length is suitable, if the pipes do not reach
the bottom.
PTO is optional equipment.
1. Mount the winch to the 3-point hitch of the tractor.
2. Raise the winch high enough to get the PTO shaft
of the tractor and the winch to a horizontal level.
3. If you have a shortened PTO shaft available, put
one end into the drive shaft and check that the
distance of the locking of the other end. Take into
account the additional clearance of approx. 20 mm
(0.78”).
4.
Fasten the other end of the PTO shaft in its place and
also move the winch sideways at the same time
securing that the axis does not base.
CAUTION!
!
CAUTION!
!

JL 501
17
FASTENING THE CABLE TO THE DRUM
1. Tape the cable end to prevent loosening of the
core wires.
2. Pass the cable through the hole in cable guard,
over the upper snatch block and then inside the
winch.
3. Insert the cable from behind the roll of the drum
brake.
4. Pull the cable onto the drum from the left hand
side (the same side as the clutch lever).
5. Pass the cable end through the hole in the drum
plate, pull about 15 cm (6”), and insert under the
wedge of the cable lock device. See g. 3.
6. Tighten the cable lock screw.
7. Winch the cable on the drum. REMEMBER THAT
THE CABLE HAS TO BE LOADED HEAVILY, WHEN
WINCHING THE CABLE BACK ON THE DRUM.
Fig. 3. Fastening the cable
Do not use longer cable than needed. With
correct length you achieve good pulling strength and
proper winding of the cable.
PRE-OPERATION CHECKS
CABLE
Check that:
• the cable is faultless (breakage risk).
• there are no twists or kinks (breakage risk) in the
cable.
• the cable has been properly fastened to the winch.
WINCH
Check that:
• all the pins and lynch pins are in place.
• all bolts and nuts have been tightened.
• roller chain is tight.
• the drum brake has been properly adjusted.
• the clutch has been correctly adjusted.
• lubrication is carried out correctly. See lubricating
instructions.
When installing the safety guard,
make sure the clutch does not
get caught on the safety guard.
CAUTION!
!

JL 501
18
MOUNTING THE SKIDDING WINCH
TO THE TRACTOR
NOTE! Never go between the
tractor and the skidding winch!
DANGER OF CRUSHING!
Make sure there is nobody bet-
ween the tractor and the skid-
ding winch when you back up
the tractor.
1. Fasten the tractor drawbars to the skidding winch.
2. Fasten the push bar to the skidding winch.
3. Engage the articulated shaft.
4. Connect the electric power if the skidding winch is
equipped with electro-hydraulic control.
5. Lift up the winch outriggers.
6. Make sure that
• the push bar mounting on the tractor is locked
(with a support block, if needed).
• the lock pins are closed.
• the side limiters are locked.
• the articulated shaft is of correct length, rmly in
place and the shield chains are closed.
• the skidding winch outriggers are lifted up.
DISCONNECTING THE SKIDDING WINCH FROM THE
TRACTOR
1. Lower down the skidding winch outriggers and
lock them with the lock pins.
2. Lower down the skidding winch on hard, even
surface.
3. Make sure that the skidding winch cannot fall
over.
4. Disconnect the electric power, if the skidding
winch is equipped with electro-hydraulic control.
5. Make sure that all the components of the skidding
winch and the tractor have stopped moving.
6. Disengage the articulated shaft.
7. Disconnect the push bar from the skidding
winch.
8.
Disconnect the drawbars from the skidding
winch.
!
DANGER!
STORAGE
1. Store the skidding winch on hard, even and dry
surface.
2.
Store the skidding winch in an area not frequented
by people.
3. Never allow children to play near the skidding
winch.
4. Make sure that the skidding winch cannot fall
over during storage.

JL 501
19
CONTROLS
Get acquainted with the control-
lers of the winch before the use,
tests the stopping functions of
the winch and the tractor and all
other functions. Each function
has to be in perfect condition.
PULLING OUT THE CABLE
• The cable can be freely drawn out if the drum has
not been locked with a latch.
WINCHING
• The winch is equipped with a clutch, which will
be used by the control rope. When the user draws
the control rope, the winch begings to draw in the
cable.Winching will stop when the rope is released.
• The end of the cable drum is equipped with a
friction clutch, which slips, if the load is too heavy.
This prevents cable break or damages if the load
gets caught.
Fig. 4. Controls
OPERATION
SAFETY PRECAUTIONS
Read the operation instructions
before operating this machine!
It is the owner’s responsibility to
instruct all equipment operators
and support personnel in the
operation of this winch.
1. Choose a horizontal, hard based skidding
route for the tractor. Avoid steep slopes,
especially when winching from the side.
Check that the winching trail is clear and
that the tractor’s parking brake is on. Do not
run the tractor at a high idle when winching.
Maximum P.T.O speed is 540 rpm. Ensure that
the logs can be drawn freely. Be especially
careful when working on slopes. Avoid winching
sideways at angles exceeding 30 degrees. Use
snatchblock which is fastened to the tree if needed.
(See g. 7.)
2. The safest place for the operator is at the back left
side of the winch, allowing good visibility. See g.
21. Take care that there is no one in the working
area.
3. The tractor must have a ROPS cab and front end
weights.
• Always position the tractor on a at ground in line
with the direction of the pull (see g. 5.). Avoid wor-
king in steep terrain. Ensure nothing is blocking the
path of trees.
• Avoid an unnecessarily strong pulls, the tractor
may roll over.
• Adjust the tractors rpm’s according to the condi-
tions.
• Use a shield between the seat and the winch (e.g.
safety cab or protective screen) if you run the winch
from the tractor seat.
• Use agreed signals when working in groups.
4. When you use a light tractor, there is a very big risk
that the tractor will roll over. To avoid that risk, you
must add extra weight to the front of the tractor.
WARNING!
!
Latch rope
Control rope
WARNING!
!

JL 501
20
• The falling danger of the tractor can be reduced by
winching through the lower snatchblock.
Fig. 5.
Fig. 6. Do not winch sideways at angles exceeding
30 degrees. The tractor can tilt.
Fig. 7. Use a diverting pulley to avoid winching sideways.
PRE-OPERATION CHECKS
MOUNTING AND USE OF THE LOWER DIVERTING
PULLEY
• Usually the logs are winched in through the
upper pulley of the winch. This lifts the logs
and they dig less into the ground. The weight
of the load also pushes the blade into the
ground thus anchoring the winch and the
tractor to the ground.
• The winch has a lower diverting pulley. The main
use of the lower diverting pulley is to lower the
pulling point. This enables larger loads to be skid-
ded out . For skidding out the load the cable is
transferred to the lower diverting pulley.
• Several logs can be hooked up and winched in at
one time by means of keyhole sliders on the cable.
The skidding chain should have a pin on the end,
which makes it easier to pass the chain underneath
the tree. See g. 8.
When using the lower diverting
pulley make sure that it follows
the direction of the cable. Other-
wise the cable will be damaged,
when it is pressed between the
diverting pulley and the lower
diverting pulley frame.
When wInching an unloaded
cable, make sure that the nger
guard doesn’t rise up with cable
and doesn’t cause cable to
crosscut.
Fig. 8. Use a keyhole sliders to winch several logs at one
time.
CAUTION!
!
CAUTION!
!