LELY HIBISCUS 1525 Master User manual

www.lely.com
HIBISCUS
1525 / 1525 Vario
R-H003.0703VT
OPERATOR’S MANUAL

EN-1
OPERATOR’S MANUAL
HIBISCUS
1525 / 1525 Vario
Rh0030703en-tp.fm
English
HIBISCUS®is a registered trademark. The right of exclusive use belongs to the companies of the LELY Group.
©2007. All rights reserved. Nothing of this publication may be reproduced and/or published by printing, photocopying,
microfilm or any other way without the prior written permission of LELY INDUSTRIES N.V.

EN-3
TABLE OF CONTENTS....................................................................................................page
PREFACE.......................................................................................................................5
WARRANTY CONDITIONS............................................................................................5
TYPE- AND SERIAL NUMBER OF YOUR MACHINE ...................................................5
SAFETY INSTRUCTIONS..............................................................................................6
EXPLANATION OF SAFETY DECALS ON THE MACHINE..........................................7
1 INTRODUCTION ............................................................................................................8
2 LINKAGE TO THE TRACTOR........................................................................................9
3 TRANSPORT.................................................................................................................10
4 MACHINE ADJUSTMENTS...........................................................................................11
4.1 Method of working ...............................................................................................11
4.2 Swath width .........................................................................................................11
4.3 Working height.....................................................................................................12
4.4 Cam track adjustment..........................................................................................12
5 OPERATING THE HIBISCUS®.....................................................................................13
5.1 General directions................................................................................................13
5.2 Forward speed and PTO speed...........................................................................13
6 DISMOUNTING FROM THE TRACTOR.......................................................................14
7 MAINTENANCE.............................................................................................................15
7.1 Maintenance after operations ..............................................................................15
7.2 Lubrication...........................................................................................................15
7.3 Intermittent maintenance .....................................................................................17
7.4 Change of oil in gearbox......................................................................................18
Supplements:
A LAYING DOWN 1 OR 2 SWATHS (Vario).....................................................................19
B HYDRAULIC SCHEME..................................................................................................20
B.1 HIBISCUS 1525...................................................................................................20
B.2 HIBISCUS 1525 Vario .........................................................................................21
C OPTIONAL EXTRAS .....................................................................................................22
D TECHNICAL DETAILS...................................................................................................23

EN-5
PREFACE
This Operator’s Manual is meant for personnel that are operating the
machine and are responsible for its daily maintenance.
Kindly read this manual fully prior to starting work.
Such instructions as are related to your safety and/or that of
others are marked in the margin by a warning triangle with
exclamation mark. These instructions should be observed with
particular care and attention.
Instructions which may lead to serious material damage in case
of non-compliance or incorrect use are marked in the margin by
an exclamation mark.
The machine described in this manual may contain components
which do not form part of the standard equipment but are available
as optional extras.
This is not made clear in all cases, because standard specifications
may differ from country to country.
Furthermore, machines and optional extras may be adjusted to
specific regional conditions whilst they are also subject to
permanent research and innovation.
For this reason, the specifications of your machine may not be
consistent with the pictures in this manual.
WARRANTY CONDITIONS
For those parts which fail in normal operating conditions the factory
will make replacement parts available, free of charge, for a period of
12 (twelve) months from the date of purchase.
Warranty shall not apply if the instructions mentioned in this manual
have not been met, or if they have not been met completely or
correctly.
Neither shall warranty apply in case of modification of the machine
by you or third parties without our foreknowledge and/or
authorisation.
TYPE- AND SERIAL NUMBER OF YOUR
MACHINE
The type and serial number plate is fitted at the front end of the draw
bar, over the pivoting point of the headstock.
In case of correspondence and ordering of spare parts, kindly state
the type- and serial number of your machine.
Complete the box below with these numbers.
!
Type number
Serial number

EN-6
SAFETY INSTRUCTIONS
- Use the machine only for the purpose for which it was designed.
- Follow all prevailing safety regulations, including those laid
down in this manual and occurring on the machine.
- Operate this machine in a safe way.
- The machine should be operated by authorised persons only.
- Be alert and observe all safety precautions.
- Make sure that all safety guards and protection devices are in
place.
- Keep out of reach of moving parts.
- Stop engine, PTO and moving parts before adjusting, cleaning or
lubricating the machine.
- Take care that nobody will be within the dangerous zone while the
machine is in operation and be sure that people are kept well away
from the machine. This is especially important when working
along roads and near or on fields that are accessible to the public.
- Use always a tractor with a cab.
- Clear the field of objects that could be thrown up by the machine.
- Observe the prevailing legislation for public road transport.
- Use flashing lights or other safety signs, when required.
- Don’t stand on the machine.
- Use genuine LELY parts only.
- Remove the pressure from hydraulic systems before starting work
on them and/or before coupling/ uncoupling hydraulic hoses.
- Use protective clothing, gloves and/or safety glasses if required.
- Clean the safety decals regularly so that they can be read at all
times.

EN-7
EXPLANATION OF SAFETY DECALS ON
THE MACHINE
-Carefully read operator’s manual before handling the machine.
Observe instructions and safety rules when operating.
-Danger of parts dropping down.
Keep away from the parts movement areas.
-Danger of getting jammed by moving parts.
Keep out of reach of all parts as long as they have not yet been
blocked, or are otherwise prevented from moving.
-Attention! Moving parts.
Stay clear of rotating machine parts.
- Tractor PTO speed is never allowed to exceed 540 r.p.m.
-Attention! Moving parts.
Read the operating instruction of the PTO shaft.
Never use a PTO shaft without protection.

EN-8
1 INTRODUCTION
The LELY HIBISCUS 1525 (fig. 1) is a pull type, twin rotor cam
rake for side delivery. The machine has 2 rotors with 13 tine arms,
each equipped with 4 double tines.
The tines give a clean sweep and move the grass to left hand side in
an airy swath.
The rotors of the HIBISCUS 1525 rake are fitted to the carriage by
means of a 3-D system (fig. 2), allowing them to follow ground
contours independently of the carriage.
The rotors of the HIBISCUS 1525 rake have a modular construction
so that a repair, if any, to a tine arm shaft can be carried out quickly
and at low costs.
The wheel assembly with 4 wheels underneath the rotor ensures an
excellent raking operation of this rake also when working in
undulating fields.
As standard, the machine is fitted with steered transport wheels
allowing it to follow the tractor 'true to track'.
The following additional features of the HIBISCUS 1525 Vario rake
make it ideal for a wide range of applications:
The tine arms of the rotors are removable. In combination with the
storage rack for removed tine arms and the foldable safety frame
around the rotors, the machine’s height can be reduced to transport
height for transport or storage purposes.
The steering system of the HIBISCUS 1525 Vario rake is fitted with
a control ram to increase the overlap between the rotors (fig. 3).
This makes it possible to operate the machine at a reduced width in
case of voluminous crops.
By reversing the steering plate and the control ram, there is an option
of laying down one large swath or two smaller swaths with the
HIBISCUS 1525 Vario rake. The transport wheel assembly can be
adjusted hydraulically from the tractor seat to remove the overlap
between the two rotors of the machine.
1
2
3

EN-9
2 LINKAGE TO THE TRACTOR
- Adjust the tractor’s three point hitch lower arms at equal height.
- Fit the lower arms to the linkage pins (cat II) of the headstock
(fig. 4).
- Lift the drawbar slightly so that it is horizontal. Maintain this
height adjustment of the tractor lift during operations and
transport.
- Place the parking jacks in the raised position.
- Secure the tractor’s lower arms by means of stabilisation chains
or rods eliminating any sideways movements.
- Place the wheel wedges in the supports fitted at the front of the
machine.
- Check if the PTO shaft telescopes smoothly.
- Fit the PTO shaft to the tractor PTO.
At first assembly or use of another tractor: check the minimum
and maximum overlap of the PTO shaft halves*.
- Fit the safety chain of the protection tube to a rigid part of the
tractor.
- Connect the thick (3/8”) hydraulic hose to a single acting
hydraulic tractor valve that has a floating position.
Maximum allowed oil pressure: 21.0 MPa (210 bar).
- Connect the thin (1/4”) hydraulic hoses for folding the machine to
a double acting hydraulic tractor valve.
Maximum allowed oil pressure: 21.0 MPa (210 bar).
The HIBISCUS 1525 Vario rake only:
- Connect the two thin (1/4”) hydraulic hoses for operating the
steering system to a double acting hydraulic tractor valve.
Maximum allowed oil pressure: 21.0 MPa (210 bar).
- Connect the thin (1/4”) hydraulic hose with the blue marking to a
pressureless return connection of the tractor.
- Place the end of the control cord for the locking hooks in the
tractor cab.
- Put the plug of the lighting cable in the tracor socket and
check the lighting for correct operation.
*. Consult the instruction supplied with the PTO shaft
4
!

EN-10
3 TRANSPORT
After the machine has been adjusted to the transport position, it can
be transported by the tractor. Transport width amounts to 2.45 m.
Put the machine into the transport position as follows:
To reduce the transport height of the HIBISCUS 1525 Vario rake to
3.20 m, tine arms of each rotor can be demounted and stored in the
holder fitted on top of the rotor.
- Fold up the protection brackets and secure them by means of the
locking pin (fig. 5).
- Remove the 5 outer tine arms from each rotor and store them in
the holder on top of the rotor (fig. 6).
- Operate the tractor’s hydraulic spool valve to ensure the position
of the transport wheels whereby the machine follows the tractor
in a straight line.
- Close the ball valve of the adjustment ram for wheel steering at
the back of the machine.
- Operate the single acting tractor valve to put the machine in
headland position.
- Operate the double acting tractor spool valve to fold the machine
further into the transport position.
Continue operating the valve until the swath cover has been fully
retracted as well.
- Check if the supportframes are secured by the locking hooks
(fig. 7).
- Use all such lighting and warning signals as are mandatory by
law (or other regulations prescribed by the authorities).
- For transport on public roads: make sure that the front axle
weight is sufficient (fit front weights, if necessary) and that the
rear axle weight allowed as a maximum is not needed.
The machine is now ready for transport.
Never allow the PTO shaft to rotate when the machine is in the
transport position.
5
6
7
!

EN-11
4 MACHINE ADJUSTMENTS
Put the machine into the working position as follows:
- Pull up the locking hooks of the support frames and lower the
machine carefully by means of the rams to the headland position.
Continue operating the valve until the swath cover has been fully
extended as well.
• Carefully lower the rotors onto the ground by operating the
tractor's single acting valve.
The HIBISCUS 1525 Vario rake only:
- Slide the tine arms onto the rotor (fig. 8).
- Unfold up the protection brackets and secure them by means of
the locking pin.
4.1 Method of working
The HIBISCUS 1525 rake can only rake with the entire working
width, and lays down a single swath.
The HIBISCUS 1525 Vario rake can be deployed for three methods:
1 Raking across the full width, whereby one single swath is laid
down;
2 Raking at a narrower width, whereby one single swath is laid
down;
3 Raking across the full width, whereby two narrow swaths are
laid down.
- Open the ball-type valve at the back of the machine so as to be
able to use the adjustment ram for wheel steering.
- Set the machine for the desired working method by means of the
ram for steering control. To lay down two narrow swaths, the
steering plate of the ram needs to be reversed - please refer to
supplement A for an explanation.
4.2 Swath width
- The swath cover will automatically extend to the extreme position
upon folding the machine.
Operate the double acting valve one more time if the ram has not
extended fully.
- The outermost position of the swath cover can be adjusted by
inserting the end of ram 1 into one of the six holes on the
attachment plate (fig. 9).
Adjustment is dependent upon crop quantity and desired working
width.
Select a position in which there is a smooth flow of crop material
between the rotor and the swath curtain without build-up of
material.
Note: if one of the three interior positions was selected, then
folding up of the protection bracket is blocked.
- If 2 swaths are laid down, a swath cover may be fitted to the A-
frame of th LH rotor to reduce the size made by the RH rotor
(fig. 10).
8
9
10

EN-12
4.3 Working height
- Adjust the rotor in a horizontal or slightly oblique (forward)
position by means of the height adjustment system of the front
swivel wheels.
If the required height cannot be obtained with the help of the spindle
adjustment, try this by adjusting the wheels to any of the 6 possible
positions.
- Adjust the working height roughly by positioning the swivel
wheels (A, fig. 11).
The end piece can be fitted in the other one of the two parallel
rows of holes, which reduces the adjustment by half. This makes
it possible to adjust the rotors at the left side a half-position lower,
so that a larger crop volume can be handled.
- Adjust the correct height by means of the spindle B. The tines
should only just touch the ground.
Control of the spindle is easier while the machine is slightly lifted.
4.4 Cam track adjustment
Rising and descending of the tines that are fitted on the tine arms is
ensured by the cam track. By adjusting this system, rise and descent
moments can be changed.
Correct adjustment depends upon crop/terrain conditions and
forward speed. The cam track can be changed by placing the
adjustment strip (fig. 12) in one of the holes.
11
AB
12

EN-13
5 OPERATING THE HIBISCUS®
• Make sure that nobody is near the machine at the moment
the PTO is engaged.
• Do not allow anyone to come within a 25 m radius from the
machine during work.
• Stop the tractor engine before leaving the tractor cab.
• The safety guards and the swath curtain are essential
protective components of the machine. So: operate the rake
only with these components duly fitted.
5.1 General directions
To enable turning on headlands, the rotors can be lifted (approx.
60 cm) free on three sides of the field.
To achieve this: actuate the single-action valves of the tractor.
- Lift the rotors up to the headland position.
- Engage the PTO at the lowest possible engine r.p.m..
- Increase the motor speed.
- Drive forward.
Never drive the machine through the crop while the rotors are on
the ground without rotating. This may cause damage to the tines
and tine arms.
- Lower the machine into the crop.
- Ensure the floating postition of the hydraulic valve; the rams have
to telescope smoothly throughout the operation.
5.2 Forward speed and PTO speed
Select a forward speed and PTO output (450-500 r.p.m., max.
540 r.p.m.) which ensures a good and clean swath.
If the rotor speed is too high there is the risk of crop not being
released soon enough by the tines so that lumps of material are
scattered behind the machine. If so, reduce the PTO speed.
Lower the forward speed when a clutch is engaged as a result of
overload.

EN-14
6 DISMOUNTING FROM THE TRACTOR
The machine can be dismounted from the tractor both in the working
and in the transport position.
Always place the machine on hard, even ground.
- Place the parking jacks in the bottom position.
- Place the wedges against the transport wheels in order to prevent
the machine from rolling away accidentally.
- Lower the tractor hydraulics until the parking jacks rest on the
ground.
- Switch off the tractor engine.
- Disengage the PTO shaft from the tractor PTO.
- Place the PTO shaft in the hook (fig. 13).
- Depressurize the hydraulic system and disconnect the hydraulic
hoses.
- Place the dust caps on the plugs and hang the plugs to the support
on the headstock (fig. 13).
- Remove the plug for lightning from the tractor socket.
- Take the control cord for the locking hooks from the tractor cab.
- Disconnect the lower arms from the machine.
13

EN-15
7 MAINTENANCE
• Correct machine servicing is necessary with a view to
reliable and safe working.
7.1 Maintenance after operations
- Clean the machine thoroughly.
- Check the tines and tine arms for tightness and damages, if any.
- Grease the machine with a rust preventive.
Pay special attention to the tines. Smooth tines without any rust
stimulate an unhampered crop flow.
- Grease the piston rods with an anti-corrosion agent if a longer
period of inactivity is anticipated.
Remove the agent when putting the machine back into operation.
If not, sealing of the rams may be affected after hardening of the
anti-corrosion agent.
7.2 Lubrication
All lubrication points of the machine can be greased with a
biodegradable grease (Total Biomultis SEP2), unless stated
otherwise.
- PTO shafts to be greased every 8 working hours by the grease
nipples on the cross assemblies, protection tubes and slip clutch
(fig. 14).
- Profiled tubes of the PTO shaft to be greased every 8 working
hours (fig. 14).
- Gears in the gearbox over the rotor to be greased every 8 working
hours (fig. 15). When greasing, keep turning the rotor bit by bit,
ensuring effective distribution of grease all over the gears.
- Bearing blocks of the drive shaft extensions to be greased every 8
working hours (fig. 16).
!
14
8h
8h
15
8h
16
8h

EN-16
- Apply grease to all nipples on the machine (fig. 17).
- Grease the cam track inside the rotor with a high grade grease
(Molykote BR2Plus) every 1,000 hectares or once every year by
means of the grease point at the tine arm shaft.
- Grease or lubricate all remaining pivot points every 40 working
hours.
17
40h
4x, L+R
L+R L+R
L+R
L+R

EN-17
7.3 Intermittent maintenance
Intermittent maintenance has to be carried out:
• at the start of the raking season;
• before prolonged storage of the machine;
• when the machine is used extensively during the season.
- Grease all points of the machine listed in § 7.2 “Lubrication”.
- Grease the spring-loaded locking pins of the yoke lock of the PTO
shaft.
- Check if the PTO shaft telescopes smoothly.
A damaged PTO shaft may cause excessive wear and tear to the
machine and tractor.
- Check the machine for damage and flaws.
- Check the gearboxes for oil leakage.
(Refreshment of oil: see § 7.4.)
- Check the tyre pressure (fig. 18).
- Check all bolts and nuts for tightness.
When tightening loose bolts/nuts the torques listed below should
be applied.
M6 M8 M10 M12 M14 M16 M20 M24
Nm 10 25 50 85 135 215 410 710
kgm 1,0 2,5 5,0 8,5 13,5 21,5 41,0 71,0
18
300 kPa (3 bar) 190 kPa (1.9 bar)

EN-18
- Convince yourself of the presence and undamaged condition of
all safety decals on the machine (fig. 19).
A (P/N 9.1170.0408.0)
B (P/N 9.1170.0407.6) -2x-
C (P/N 9.1170.0420.5) -2x-
D (P/N 9.1170.0125.4)
E (P/N 9.1170.0437.1) -3x-
F (P/N 16.61.175)
7.4 Change of oil in gearbox
Change the oil of the gearbox of a new rake (or after assembly of a
new gearbox) after approx. 30 working hours for the first time. After
that, oil has to be changed every 250 working hours.
- Place a receiving container underneath the gearbox.
- Unscrew the drain plug (arrow, fig. 20) from the gear box in
question and let the oil flow into the receiving container.
- Fill the gearbox with 1.7 l GX85W-140 transmission oil.
An incorrect oil quantity may lead to overheating and
unrepairable damage of the gearbox.
Change the oil more often when operating the machine in
extreme working conditions.
19
A
B C
E
D
E
F
20
!
A B
C
EFD