background image

ENGLISH

EN

8 MAINTENANCE

WARNING! Repairs must be carried out by the 
dealer. Otherwise the warranty is not valid.

WARNING! The spark plug lead should be discon-
nected before carrying out repairs or maintenance.

8.1 PERIODIC MAINTENANCE

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. 

Check that all the bolts are tightened. 

8.1.2 After using the machine 

Clean the tiller. 

Check that there is no oil leakage.

8.1.3 Every 20 working hours 

Check, and clean or replace the air filter. 

Check that all nuts and bolts are tightened.

8.1.3 Change the oil in the engine every year. 

8.2 TO DRAIN OFF THE PETROL

see section 2.4.

8.3 AIR FILTER, SEE FIG. 12

Clean/change the air filter regularly. Unscrew the screw (A) 
to remove the air filter.

WARNING! Never use inflammable liquids when 
cleaning.

 Clean the air filter by brushing it clean with a soft brush.

8.4 CHANGING/CHECKING THE OIL, SEE FIG. 2

The engine oil should be changed every year. Change the oil 
as follows: 

1.  Run the engine warm. WARNING! The engine oil is hot. 

Risk for burn injuries.

 2.  Tilt the machine forward and remove the plug (13).

 

Drain off the oil into a suitable container. Fit the plug 
when the oil is drained off.

 3.  Put the machine horizontal. 

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.

8.5 CLEANING

 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.

8.6 REPLACEMENT OF DRIVE BELT, SEE FIG 13

1.  Remove the cover (16) in fig. 2. 

2.  Lift the tensioning pulley (2) and work off the belt. 

3.  Work off the belt from the two pulleys. The clamp (A) 

over the small pulley should not be removed.

4.  Fit the new belt in the reverse order. 

5.  Adjust the clutch wire. See below. 

6. Fit the cover.

8.7 ADJUSTING THE CLUTCH WIRE

1.  Remove the cover (16) in fig. 2. 

2.  Adjust the clutch wire with the tensioning sleeve (A) in 

fig. 14.

 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. 

4.  Lock the tensioning sleeve and fit the cover after adju-

sting. 

8.8 ADJUSTING THE GEAR WIRE

 1.  Adjust the gear wire with the tensioning sleeve (C) in 

fig. 16.

 2.  The gear wire is correctly adjusted when the play in the 

end of the handle is approx. 5 mm. See fig. 17.

 

NOTE! Do not tighten the gear wire too hard. This can re-
duce its lifetime.

3.  Lock the tensioning sleeve after adjusting. 

8.9 TROUBLE SHOOTING

8.9.1 Fault: Difficult to start. 

Reason: The fuel is too old. 

Procedure: Drain the tank and fill up with new petrol. 

Reason: Fault on spark plug.

 Procedure: Replace spark plug. 

8.9.2 Fault: The engine does not run smoothly. 

Reason: Dirt in the fuel. 

Procedure: Clean the petrol tank and carburettor. 

Reason: Fault on spark plug.

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.

Summary of Contents for JB 55

Page 1: ...JB 55 EN OPERATOR S MANUAL PL 16758 2 6 8 CS 1 92 8214 2227 01...

Page 2: ......

Page 3: ...rotective gloves and hold the machi ne upright when lifting When the machine is loaded on a trailer or tailboard it should be run up on a ramp by using its wheel 2 2 PREPARATIONS Before starting work...

Page 4: ...ped and the spark plug lead dis connected in the following circumstances When adjusting the rotors When the machine is to be cleaned or repaired When checking after a collision with a solid hard objec...

Page 5: ...hout steps 2 and 6 6 3 FORWARD OPERATION SEE FIG 2 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...

Page 6: ...lug 12 when the machine is horizontal 8 5 CLEANING 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 8 6 REPLACEMENT O...

Page 7: ...ox 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...

Page 8: ...Fig 1 Fig 2 10 2 11 6 19 13 15 12 2 3 16 6 7 9 1 1 2 3 4 5 6 9 15 10 11 12 13 7 8 14 Fig 3 1 2 3 4 5a 5b 5c 6 Fig 4...

Page 9: ...Fig 5 Fig 6 Fig 8 RUN CHOKE 1 2 3 4 Fig 11a Fig 9 Fig 10 RUN CHOKE Fig 11b Fig 11c Fig 7...

Page 10: ...A Fig 12 A Fig 13 1 cm 1 Fig 15 Fig 16 C 5 m m Fig 14 Fig 17 A...

Page 11: ......

Reviews: