Global Garden Products Lawn Mower 98S 98S Hydro Instructions Manual

4.8 STEERING GEOMETRY ADJUSTMENT
The correct steering geometry is given by the val-
ues of the interacentre distancexis between the
joints of the tension rod and the wheel connecting
rod. Any faults caused by knocks or accidents
result in reduced driving precision and increased
wear on the tyres. These can be overcome as fol-
lows:
–uneven or excessive wear on the front tyres =
toe-in adjustment,
–the lawn-tractor does not maintain a straight
line when the steering wheel is straight =
adjustment of...

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98S
4.9.0
CHECKING BLADES ALIGNMENT





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WORKSHOP MANUAL
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2002to  ••••
4.9 CHECKING BLADES ALIGNMENT
Excessive vibration when cutting and an uneven
cut can be due to misalignment of the blades
owing to deformation of the flanges or the shafts
as a result of accidental knocks.

Lift the machine [see 2.3].
Always wear strong gloves when handling the
blades.
With the blades disengaged, firmly hold each blade
and bring the cutting edges together in the various...

4.10 SHARPENING AND BALANCING OF THE
BLADES
A badly sharpened blade causes grass to
become yellow and reduces grass collection
capability. If not balanced, excessive vibration
can be caused during use.
Always wear protective gloves when handling
the blades and protect eyes when sharpening.
For removing a blade it must be firmly held and the
central screw 
(1)undone, bearing in mind that:
A) Sharpening
Sharpen the blade (2)using a medium grade
grinder.
Sharpen both cutting edges of the blades, removing
as...

© by GLOBAL GARDEN PRODUCTS
98S
5.1.0
REMOVAL OF FRONT HOOD





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WORKSHOP MANUAL
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2002to  ••••
5.1 REMOVAL OF FRONT HOOD
The removal of the front hood gives greater
accessibility to:
–the engine and its accessories,
–the silencer and protection devices.
➤In models with lights:
disconnect the connector (1).
The hood can be secured in two ways.
A) Fixing with springs
Unhook the two fastener springs (2)and pull out the
pins 
(3).
B) Fixing with a split pin
Take out the split pin (4)from...

5.2 REMOVAL OF THE WHEEL COVER
Removing the wheel covers gives access to:
–the mount for the lever to raise the deck;
–the supports of the footboards.
A) Removal of the rear cover
The rear cover (1) is secured to the wheel cover by
two screws 
(2)located behind the seat and two
screws 
(3)on the lower part.
B) Removal of the wheels cover
Take off the spring (4)which holds the battery (5),
taking care to prevent it accidentally short-circuit-
ing. Disconnect and remove the battery 
(5).
➤In mechanical...

© by GLOBAL GARDEN PRODUCTS
98S
5.2.0
REMOVAL OF THE WHEEL COVER





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WORKSHOP MANUAL
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2002to  ••••
The cover (12) is held by a screw at the front (13),
four screws 
(14)at the bottom of the dashboard
support and six screws 
(15)under the side foot-
board. The two back ones 
(15a)of these last
screws have a washer.
When the cutting height lever has been moved to
position «7» and the engage lever to the “blades
engaged” position, it is possible to remove the
cover.
3/2002
12
1515
15a...

5.3 REMOVAL OF THE FUEL TANK
Removing the fuel tank gives access to:
–the steering wheel column and the ring gear;
–the brake adjustment spring 
(➤in mechanical
drive models)
;
–the accelerator fastening screws.
Completely empty the tank through the pipe at the
entry to the fuel filter 
(1), taking care not to spill
fuel
.
Remove the electronic card, take off the lower part
of the protective cover 
(2).
Loosen the screw 
(3)holding the support (4)and lift
the tank until the two pegs 
(5) come out of the...

5.4 REMOVAL OF THE ENGINE
Since there are different types of drive, the stages
described here refer to those shared or similar in
all types of engine.

Remove the front hood [see 5.1].
Disengage the blades to loosen the belt. In order to
have better access to the parts concerned, also the
drive belt should be loosened.
This is done by ...
➤In mechanical drive models: engaging the
parking brake 
➤In hydrostatic drive models: loosening the
nut 
(1)of the stretcher.. 
Shift the mobile guide pulley...

Find and undo all the screws securing the engine to
the cutting deck, grip the engine firmly and lift it
carefully, bearing in mind that its weight is around
35 kg.
NOTE
Some type of engine are held with screws of differ-
ent length and in different positions, so it is best to
label them so that no errors are made on reassem-
bly.
On reassembly, fully tighten the screws for the
engine and the pulley to the amounts shown.
Remember to fit the clamp back on the fuel pipe
and 
check that it does not leak....

5.5 REMOVAL OF THE REAR AXLE
The rear axle (Transaxle) is made up of single
maintenance free sealed unit which includes the
transmission unit  ( 
➤mechanical or  ➤hydrosta-
tic) and the differential.  
It only needs to be removed to be replaced or for
an overhaul by the Manufacturer’s Service Centre.
Put a block (2)of adequate thickness under the rear
plate [see 2.3] and take off the rear wheels.
The drive belt should also be loosened.
This is done by ...
➤In mechanical drive models:  engaging the...