6. MAINTENANCE
6.1 SAFETY RECOMMENDATIONS
Before cleaning, maintenance or repair work,
take out the ignition key and read the relevant instructions.
Wear suitable clothing and heavy gloves when dismantling
and refitting the blades and in all other hazardous situations
for hands.
Never use the machine with worn or dama-
ged parts. Faulty or worn-out parts must always be replaced
and not repaired.Only use genuine spare parts: those that are
not of an equivalent quality may damage the machine or en-
danger the safety of yourself and others.
Never get rid of used oil, fuel or other pollutants
in unauthorised places!
IMPORTANT
WARNING!
WARNING!
14EN
6.2 ROUTINE MAINTENANCE
6.2.1 Guide to scheduled maintenance
This table is to help you maintain your machine’s safety and performance. It shows the main maintenance and lubrication work, indicating
the frequency with which it should be carried out.To the right of each item there is a box where you or your Dealer write the date or after how
many hours of operation the work was carried out.
ITEM
ACTION
INTERVAL
Perform this maintenance at every indicated month
or operating hour interval whichever comes first
EACH
USE
3 MONTHS
OR
20 HOURS
6 MONTHS
OR
50 HOURS
1 YEAR
OR
100 HOURS
300 HOURS
Engine oil Check ●
Change ● (1) ●
Air cleaner Check ●
Check ♦
Replace ● (4) ● (5)
Cooling air duct screen Check ●
Muffler Check ●
Cooling fan screen Check ●
Battery
Charge ● (*)
Check electrolyte level ●
Check electrolyte level
and acide density
●
Tires & air pressure Check ●
Cutting plate belt Check ●
Transmission belt Check ●
Brake
Brake condition Check ●
Tightening of brake and clutch
control rod
Check ● (1) ● (2)
Brake pedal freeplay Check & adjust ●
Parking brake Check ●
Blade bolts condition Inspect ●
Blade bolt tightness Check ● ●
Blade condition Check ●
Front and rear axle grease One pump grease ●
Spark plug
Check & clean ●
Replace ●
Clutch pedal freeplay Check & adjust ● (3)
Throttle cable Check & adjust ●
Fuel tank, line and filter Check & adjust ●
Valve clearance Check, replace if needed ●
Engine fins & shroud Check & adjust ●
Drive pedal bush Clean ●
Mulching system
Check & clean ●
Adjust if (if needed) ●
Every time that ... You will need to ...
The blades vibrate
Check the bolts ( 6.3.1)
or balance the blades ( 6.3.1).
The blades tear the grass and the
lawn becomes yellow
Sharpen the blades ( 6.3.1).
The cut is uneven
Adjust the alignment of the cutting
deck ( 6.3.2)
The blades engage in an
abnormal way
Regulate the blade engagement
adjuster ( 6.3.3)
The machine does not brake
Adjust the brake spring ( 6.3.4)
Forward movement is erratic
Adjust the stretcher spring
( 6.3.5).
The grass-catcher jumps around
and tends to open up
Adjust the spring ( 6.3.6)
Summary of the main situations where work may be required
(*) If the machine has not been used for more than 2
months.
♦ Service the air cleaner more frequently when used
in dusty areas.
(1) Use this interval for the firts service only.
(2) This interval is for the second and future services.
(3) Mechanical drive model.
(4) GCV530
(5) GXV660