Servicing The Rear Wheel Drive (Illustration R ); Servicing The Drive; Changing The Brake Clutch And The Drive V-Belt; Adjustment Of The Blade Brake Bowden Cable - Sabo John Deere 47-K VARIO B Livret D'entretien

Servicing the rear wheel drive (Illustration R )

47-K VARIO B, R47KB
Lubricate the wheel bearings once a year or every 15-20 operating hours.
– Remove the wheel cap cover on both sides.
– Use a socket wrench to loosen the hexagon nut, remove the washer, pull the drive
wheels off the wheel axle together with the wheel cap and collar washer.
– Remove the wheel cover, pay attention to the thrust washer.
– Remove any soiling from the wheel cover, the free-wheeling pinion on the gear
shaft and the gear rim on the inside of the wheel.
NOTE
Do not remove the free wheel pinion from the gear shaft!
– Lubricate the bearings using the roller bearing grease "KAJO-Longlife grease LZR
2". Do not lubricate the free-wheeling pinion and gear rim in the wheel!
– Set the wheel cover in place and push the start-up disc onto the wheel axle. When
putting the drive wheel in place make sure the pinion and gear rim interlock, turn
the wheel on the axle slightly to achieve this if necessary.
– If the wheel cap has loosened from the wheel, insert the collar washer into the
wheel first as shown in Figure R , set the wheel cap in place and press until you
hear it click. Set the washer in place, fix using the hexagon nut and tighten to such
an extent that the wheels can just about turn easily but without play. Replace the
wheel cap covers.
54-K VARIO B, JX90
Lubricate the wheel bearings once a year or every 15-20 operating hours.
– Pull the drive wheels off after loosening the nuts and removing the washer from the
wheel axle.
– Remove the wheel cover, pay attention to the thrust washer.
– Remove any soiling from the wheel cover, the free-wheeling pinion on the gear
shaft and the gear rim on the inside of the wheel.
NOTE
Do not remove the free wheel pinion from the gear shaft!
– Lubricate the wheel axle using the roller bearing grease "KAJO-Longlife grease
LZR 2"! Do not lubricate the free-wheeling pinion and gear rim in the wheel.
– Set the wheel cover in place and push the start-up disc onto the wheel axle. When
putting the drive wheel in place make sure the pinion and gear rim interlock, turn
the wheel on the axle slightly to achieve this if necessary.
– Set the disc in place, fix using the hexagon nut and tighten to such an extent that
the wheels can just about turn easily but without play.
All models

Servicing the drive

– It is absolutely essential that the Bowden cable runs easily for switching on and off,
so that the control drive works perfectly.
– The Bowden traction mechanism has been set ready for operation at the works
and requires no adjustment.

Changing the brake clutch and the drive V-belt

The brake clutch and the drive V-belt must be replaced by a specialist workshop.

Adjustment of the blade brake Bowden cable

The blade-brake throttle cable must be adjusted at least once per mowing season by an
authorised workshop.
Correct adjustment of the throttle cable guarantees the most important safety functions
of the control bar. As soon as the control bar is released, the cutter bar must come to a
standstill within three seconds.

20 SERVICING THE ENGINE

WARNING
Avoid injury! Engine exhaust fumes contain carbon monoxide and can cause
serious illness or death.
Do not run an engine in an enclosed area, such as a garage, even with doors and
windows open.
Move the machine to an outside area before starting the engine.
Safety instruction!
See table for explanation of symbols
page 3
IMPORTANT
For cleaning and maintenance work, always close the petrol tap A , tilt the
mower forwards O (spark plug facing upwards). If it should become necessary
to place the mower on its side, then place it on the exhaust side, never on the
carburetor side, as otherwise start-up problems could occur.
When tilting the mower forwards make sure the ejection flap does not get
damaged. Secure the mower in its raised position!
ATTENTION
When tilting or placing the mower on its side, ensure that no oil or fuel comes out
of the machine. Fire hazard!
The regular implementation of the prescribed maintenance and care work are the
prerequisite for a permanent and fault-free functionality of the motor and also the basic
requirement for any guarantee claims.
The motor should be kept clean, particularly on the outside, and the silencer and
cylinder area must always be kept free from foreign bodies (e.g. grass residue). The
exhaust and motor reach very high temperatures when in use. Flammable foreign
bodies such as foliage, grass etc. may catch fire.
Perfect cooling can also only ensured when cylinder ribs are always clean.
IMPORTANT
Never use a pressure cleaner or ordinary water jet to clean the motor. Damages
or expensive repairs can be the consequence of such action.

Oil change

NOTE
For environmental reasons, we recommend that the oil change is performed by
an authorised workshop.
The first oil change in a new engine is required after approx. 20 operating hours. Later,
it should be done every 50 operating hours or at least once per mowing season.
– Before the engine or the equipment is tilted to drain oil, empty the petrol tank and
let the engine to run until it stops due to lack of fuel.
– Stop the engine and remove the spark plug connector.
– Renew the oil so long as the engine is hot.
– To replace the oil, remove the dipstick from the oil filler neck and set the mower on
its side so that the used oil can drain into a container.
Do not drain used oil into the sewage system or soil; dispose of it according
to the local regulations.
– Position the mower straight and fill brand-name oil into the spout (for quantity and
quality, see technical data). Insert the dipstick but do not screw it tight, check the
oil level (see chapter Filling oil, illustration Y1 )! If the oil level is correct, insert the
dipstick again and tighten it.
Cleaning and replacing the air filter (Illustration W )
IMPORTANT
Never let the engine start or run whilst the air filter is removed.
– Open the cover (1), pull down and out and remove.
– Remove the paper filter insert (2) and pre-filter (3). To remove the pre-filter from
the cover, remove the grid (4) first.
– Clean the paper filter insert every 50 operating hours
Knock gently onto a smooth surface if soiled lightly. Replace if heavily soiled or
damaged. Do not wash out paper filters, nor blow them out with compressed air or
grease them.
– Clean the pre-filter every 50 operating hours.
Wash pre-filters in hot water with liquid detergent, rinse them out in clean water,
press out excess water and allow to dry thoroughly in air. Do not lubricate the pre-
filter with oil.
– After cleaning or replacement, insert the filter element into the air filter plate, insert
the pre-filter in the cover and fix in place with the grid.
– Insert the hooks (5) on the cover (1) into the seat (6) at the bottom in the air filter
plate.
– Tilt the cover upwards and close with care.
In the case of unfavourable operation conditions (severe formation of dust), cleaning is
required after every mowing process. Replace the paper filter element and pre-filter
annually or every 100 operation hours.
(Please see original spare parts and accessories for order no. of filter element)
Checking the spark plug (Illustration Y )
To check for wear, remove the spark plug connector and unscrew the spark plug. If the
electrode is badly worn the spark plug must be replaced as a matter of course. (Order
no. see original spare parts list and accessories).
Otherwise it is sufficient to clean the spark plug and set the electrode gap to 0.6-0.7
mm. Screw the spark plug (pay attention to sealing ring) into the engine by hand and
tighten using the socket wrench. Press on spark plug connector. Replace the spark plug
annually.
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