JB 55
EN
OPERATOR´S MANUAL
8214-2227-01
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EN
ENGLISH
2.2 PREPARATIONS
1 SYMBOLS, SEE FIG. 1
•
Before starting work, remove all foreign objects such as
stones, glass, cables, metal objects and other loose ob-
jects.
The following symbols can be found on the tiller. Their pur-
pose it to remind you of the care and attention required when
using it. If any symbol is missing, damaged or unreadable, it
should be immediately replaced with a new one. The sym-
bols mean:
•
•
•
Toys, hoses and other objects can be damaged.
Check that the tiller is in good condition before using it.
Check that all nuts and bolts are tightened.
1. Warning! Read the instructions.
2. Warning for rotating blades.
3. Reverse gear.
2.3 OPERATING
•
•
•
•
•
•
Always operate the machine at low speed when working
on stony ground.
4. Clutch handle. Handle out, left fig. = disengaged. Handle
pressed in, right fig. = engaged.
Do not change the engine's speed setting. The engine
must not be overspeeded.
5. Throttle control, a=fast, b=slow and c=stop.
The work area should be well illuminated during the
work.
6. Read the instructions and remove the spark plug lead be-
fore doing any work. Wear protective gloves.
The tiller must not be used when other persons, especially
children, are in the vicinity.
2 SAFETY INSTRUCTIONS
The tiller must not be used without the splashguards or
protective cover.
2.1 GENERAL
The tiller must not be used if the operator is ill, has taken
medicine, or is under the influence of other substances
which reduce one's reactions.
•
Read through this instruction book carefully and make
sure you understand the contents before using the tiller.
•
•
•
The tiller must only be used for gardening purposes.
Keep children away from the tiller.
•
•
The tiller must not be used on terrain which slopes more
than 20°.
Do not allow children or persons who have not read the
instructions to handle the tiller.
The user is responsible to ensure that all risks in the ter-
rain are taken into consideration, and that procedures are
taken to prevent accidents. This particularly applies to
sloping, slippery or loose terrain.
•
The tiller is manufactured in accordance with current
standards, and must not be modified or rebuilt.
•
•
All the symbols on the tiller should be kept intact.
•
Start the engine carefully, according to the instructions in
this manual. No parts of the body must come in contact
with the rotors.
The user is liable for damages incurred by a third party.
WARNING for petrol. Petrol is highly inflamma-
ble: Petrol must be stored in the requisite contai-
ners.
•
•
The engine must never be started in an enclosed area.
The carbon monoxide in the engine's exhaust fumes is
poisonous and can cause death.
•
•
•
Always fill-up outdoors and with the engine switched off.
Do not smoke when filling-up.
•
•
•
Wear tightly fitting clothes and heavy-duty shoes which
completely cover the feet.
There must be no naked flames or other sources of heat in
the vicinity of the petrol.
The tank should only be half full when operating on slo-
pes. Petrol can leak out.
•
Do not start the engine if petrol has spilled out. Move the
machine and allow the petrol to evaporate before starting
the machine.
The engine must be stopped in the following circum-
stances:
•
•
•
When the machine is left unattended
•
•
Screw on the filler cap correctly after filling up.
Before the machine is filled up with petrol
Set the throttle control in the "Stop" position, and close
the petrol cock when the machine has been stopped.
Always make sure you have a good footing, especially on
slopes.
•
Switch off the engine before transporting the machine.
Never lift the machine by yourself. The machine is lifted
by two persons, one on each side holding the steering and
the rotor axle. Wear protective gloves and hold the machi-
ne upright when lifting.
•
Check that no one is in front of you or beside you when
starting the blades. Keep a steady grip on the steering.
The machine will lift when the rotors are started. Use ex-
tra caution when backing.
•
When the machine is loaded on a trailer or tailboard it
should be run up on a ramp by using its wheel.
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EN
ENGLISH
•
Always keep at a safe distance to the rotors when wor-
king.
4 DESCRIPTION, SEE FIG. 2
•
•
Holding the steering correctly ensures a safe distance.
The tiller is driven by a four-stroke engine and consists of the
following parts:
No person must come closer than 20 m to the machine
when working on slopes. The user must hold the steering
firmly with both hands all the time.
1. Clutch control, activation of the blades
2. Gear control, forward/reverse
3. Steering adjuster
4. Air filter
•
•
Working on stony or hard ground demands extra attention
from the operator. The machine becomes more unstable.
Never touch the engine when operating the machine, or
just afterwards. Risk for burn injuries.
5. Manual start
2.4 AFTER OPERATING
6. Splashguard
•
Allow the engine to cool before putting the machine in a
storeroom. Fire risk!
7. Tail brake
8. Data plate
•
Remove dirt and foreign material before putting the ma-
chine in a storeroom. The area round the petrol tank and
muffler must be kept clean from leaves, oil, petrol or
other foreign materials. Fire risk!
9. Side roller
10. Throttle control
11. Fuel tank
•
•
If the petrol tank is to be emptied, do this outdoors and
when the engine is cold. Fire risk!
12. Oil filler
13. Oil plug
The machine should be stored in a dry place. The machi-
ne must not stored with fuel in the tank in rooms where
there are naked flames, sparks or other strong sources of
heat.
14. Support wheel
15. Rotors, 4, the outer rotors can be removed. The working
width then becomes 340 mm
2.5 MAINTENANCE
16. Cover
•
Carry out maintenance regularly. All nuts and bolts
should always be tight.
17. Cover for muffler
18. Exhaust
•
Only use genuine spare parts which are in good conditi-
on. Spare parts must not be repaired. They must be repla-
ced if they are defective. Poor quality spare parts can lead
to personal injury. If the muffler is damaged it must be re-
placed.
19. Handle
The data plate (8) contains the following information.
See fig. 3.
A Nominal power
B Weight in kg
•
The engine must be stopped and the spark plug lead dis-
connected in the following circumstances:
When adjusting the rotors.
C Serial number
When the machine is to be cleaned or repaired. When
checking after a collision with a solid hard object. Carry
out the necessary repairs before continuing to work.
D Year of manufacture
E Type F Manufacturer
G CE-mark
If the machine begins to vibrate abnormally. Carry out
the necessary repairs before continuing to work.
H Max. engine speed
•
Wear protective gloves when working with the rotors.
5 ASSEMBLY
3 DELIVERY
5.1 STEERING, SEE FIG. 4
The tiller is delivered in a box with the steering and side pla-
tes dismantled. All the wires are fitted and adjusted.
Fit the steering (1) according to the figure with the bolt (2),
washer (3), nut (4), bolt (5), washer (6) and nut (7). Choose
a suitable hole for the bolt (5) for comfortable adjustment of
the steering (1).
WARNING! There is no oil in the engine on
delivery.
5.2 SPLASHGUARD, SEE FIG. 2
Fit the splashguards (6) on both sides with the enclosed nuts
and bolts.
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5.3 SUPPORT WHEEL, SEE FIG. 5
6.3 FORWARD OPERATION, SEE FIG. 2.
Fit the support wheel according to the figure. Do not tighten
the nut (5) too hard. It will not be possible to fold the wheel
arm up.
Forward gear is selected when the left handle, the gear con-
trol (2), is not pushed in. The tiller starts forward when the
clutch handle (1) is pulled in. Go forwards as follows:
1. Set the throttle control (10) in the required position.
5.4 FILLING THE OIL, SEE FIG. 2
2. Pull in the clutch handle (1). The tiller stops moving for-
ward when the clutch handle (1) is released.
Remove the plug (12) and fill up with 0.7 L of oil, SAE
10W40. Screw the plug back on.
6.4 BACKWARD OPERATION, SEE FIG. 2
5.5 ROTORS AND SIDE ROLLERS, SEE FIG. 6
WARNING! The gear control (2) must only be pul-
led in when the clutch handle (1) is not pulled in.
The first rotor (1) is pushed on the axle shaft (2) and locked
with the cotter (3). After which the second rotor (4) is inser-
ted in the first and locked with the cotter (3). Max. 3 rotors
can be fitted in this way on each side. Finally, fit the side rol-
lers in the same way.
Go backwards as follows:
1. Set the throttle control (10) in the required position.
2. Pull in the gear control (2).
WARNING! Check that the cotters are locked,
3. Pull in the clutch handle (1). The tiller stops moving
backwards when both handles are released.
i.e. that the springs are locked round the shaft.
6.5 STOPPING, SEE FIG. 11
Stop the tiller as follows: 1 Set the throttle control in stop po-
sition. See fig. 11a 2 Set the choke lever in choke position.
See fig. 11b. 3 Close the petrol cock. See fig. 11c.
6 OPERATING
See also section 2.3.
6.6 OPERATING TIPS
WARNING! Check the engine's oil level. See sec-
tion 8.4.
The rotors drive the machine forward. The speed of the rotors
is regulated with the throttle control.
6.1 FILLING THE FUEL, SEE FIG. 7
WARNING! Keep hands and feet away from the
rotors.
See the safety instructions in section 2.1. Fill up with 2.8 L
of unleaded petrol, and screw on the filler cap.
Adjust the number of rotors on each side to the required wor-
king width. See section 5.5.
NOTE! Remember that standard unleaded petrol is perisha-
ble. Do not buy more petrol than what can be consumed in 30
days. Environmentally adapted petrol (acrylic petrol) can be
used to advantage. This petrol is more environmentally-fri-
endly.
When the machine is braked with the help of the tail brake,
the rotors dig down into the earth. The working depth de-
pends upon how much the tail brake is forced down into the
ground while working. The correct working depth determi-
nes how easily the work is done. The optimal working depth
varies with the ground conditions. Try it and see.
6.2 START
See the safety instructions in section 2.3. A cold engine is
started as follows:
Never use the machine in wet soil. Lumps form, which are
then difficult to crush. Hard and dry soil necessitates making
a second run, at right angles to the first.
1. Open the petrol cock. See fig. 8.
WARNING! Never overload a new machine. Run
the machine carefully the first 5 hours.
2. Set the choke lever in the choke position. See fig. 11b.
3. Set the throttle control to idle. See fig. 10.
4. Pull the starter handle, first gently until the pawls grip,
and then with a strong tug until the engine starts. See (5)
in fig 2.
7 STORAGE
NOTE! Do not let go of the cord when the engine has
started, but follow it back slowly with your hand!
The tiller should be stored in a dry place.
See also section
5. Set the throttle control in mid position.
2.4.
6. Set the choke in position "Run". See fig 9. A warm engine
is started in the same way as above, but without steps 2
and 6.
After the petrol has been drained off, start the engine and al-
low it to run until all the remaining petrol is used up.
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EN
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8.5 CLEANING
8 MAINTENANCE
See section 2.4. First brush off all the loose dirt. Then wipe
the tiller with a damp cloth. The frame can be flushed clean
with water.
WARNING! Repairs must be carried out by the
dealer. Otherwise the warranty is not valid.
8.6 REPLACEMENT OF DRIVE BELT, SEE FIG 13
1. Remove the cover (16) in fig. 2.
WARNING! The spark plug lead should be discon-
nected before carrying out repairs or maintenance.
2. Lift the tensioning pulley (2) and work off the belt.
8.1 PERIODIC MAINTENANCE
3. Work off the belt from the two pulleys. The clamp (A)
over the small pulley should not be removed.
8.1.1 Before using the machine
•
•
•
Check the oil level in the engine. Top up if necessary.
Check that there is no oil leakage.
4. Fit the new belt in the reverse order.
5. Adjust the clutch wire. See below.
6. Fit the cover.
Check that all the bolts are tightened.
8.1.2 After using the machine
8.7 ADJUSTING THE CLUTCH WIRE
1. Remove the cover (16) in fig. 2.
•
•
Clean the tiller.
Check that there is no oil leakage.
2. Adjust the clutch wire with the tensioning sleeve (A) in
fig. 14.
8.1.3 Every 20 working hours
•
•
Check, and clean or replace the air filter.
Check that all nuts and bolts are tightened.
3. The clutch wire is correctly adjusted when the spring (B)
in fig. 15 extends approx. 1 cm when the handle is pres-
sed in.
8.1.3 Change the oil in the engine every year.
8.2 TO DRAIN OFF THE PETROL
see section 2.4.
4. Lock the tensioning sleeve and fit the cover after adju-
sting.
8.8 ADJUSTING THE GEAR WIRE
8.3 AIR FILTER, SEE FIG. 12
1. Adjust the gear wire with the tensioning sleeve (C) in
fig. 16.
Clean/change the air filter regularly. Unscrew the screw (A)
to remove the air filter.
2. The gear wire is correctly adjusted when the play in the
end of the handle is approx. 5 mm. See fig. 17.
WARNING! Never use inflammable liquids when
cleaning.
NOTE! Do not tighten the gear wire too hard. This can re-
duce its lifetime.
Clean the air filter by brushing it clean with a soft brush.
3. Lock the tensioning sleeve after adjusting.
8.9 TROUBLE SHOOTING
8.4 CHANGING/CHECKING THE OIL, SEE FIG. 2
8.9.1 Fault: Difficult to start.
The engine oil should be changed every year. Change the oil
as follows:
Reason: The fuel is too old.
1. Run the engine warm. WARNING! The engine oil is hot.
Risk for burn injuries.
Procedure: Drain the tank and fill up with new petrol.
Reason: Fault on spark plug.
2. Tilt the machine forward and remove the plug (13).
Procedure: Replace spark plug.
Drain off the oil into a suitable container. Fit the plug
when the oil is drained off.
8.9.2 Fault: The engine does not run smoothly.
Reason: Dirt in the fuel.
3. Put the machine horizontal.
Procedure: Clean the petrol tank and carburettor.
Reason: Fault on spark plug.
4. Remove the plug (12) and fill up with 0.7 L of oil, SAE
10W40. Screw the plug back on.
5. The oil level should be level with the bottom edge of the
hole for the plug (12) when the machine is horizontal.
Procedure: Replace spark plug.
8.9.3 Fault: The engine has no power, will not run at full
throttle.
Reason: Blocked air filter.
Procedure: Clean or replace air filter.
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EN
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8.9.4 Fault: Slips when moving forward.
Reason: The belt is too slack.
10 CE CERTIFICATE
Procedure: Adjust the belt.
Ets PUBERT SA Z.I. de Pierre-Brune, 85110 CHANTON-
NAY, France warrants that tiller JB 55 complies with the es-
sential health and safety requirements in the directives 89/
392 CEE and 98/37/CE. To guarantee correct application of
the safety and health requirements stipulated in the EEC Di-
rective, the following standards and/or technical specificati-
ons have been consulted: EN 292-1, EN 292-2, EN 25349
(1993) and NFU 02-025.
8.9.5 Fault: Slips when moving backward.
Reason: The gear control is incorrectly adjusted.
Procedure: Adjust the gear control.
8.9.6 Fault: Stops under operation.
Reason: Run out of fuel.
Chantonnay 01 01 99
Procedure: Fill up with petrol.
9 TECHNICAL DATA
Weight:
46 kg
M. Jean-Pierre PUBERT
Chairman and CEO
Type of engine: 4-stroke, Briggs & Stratton
Spark plug:
Power:
Champion QC12YC or the equivalent.
4 kW (5.5 hp)
Engine speed: 3400 rpm
Sound pressure
level:
77 dB(A)
Vibration level: 2.9 m/s2
Transmission: Belt gear with gearbox
Fuel tank, capacity: 2.8 litres
Fuel:
95 octane, unleaded petrol
Steering handles: Vertically adjustable.
Blade diameter: 320 mm
Working width: 590 mm (840 mm with 6 rotors and
340 mm with 2 rotors)
Rotation of blades
forward:
Rotation of blades
backward: 58 rpm
135 rpm
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1
2
3
4
6
5a
5b
5c
Fig. 1
10
1
10
19
11
2
6
1
2
3
4
5
6
7
2
11
12
13
3
12
13
16
6
7
8
9
14
9
15
15
Fig. 2
Fig. 3.
Fig. 4.
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Fig. 5.
Fig. 8.
4
1
2
3
Fig. 9.
Fig. 6.
Fig. 7.
Fig. 10.
Fig. 11a.
Fig. 11b.
Fig. 11c.
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A
1
+1 cm
Fig. 12.
Fig. 15.
A
C
Fig. 13.
Fig. 16.
5 m m
A
Fig. 14.
Fig. 17.
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