16
H
G
F
Fig. 22
13. ORDINARY MAINTENANCE
CAUTION: always use suitable tools such as supports and
safety devices if the machine or part of it has to be lifted.
•
Always wear suitable clothing and work gloves before starting
any cleaning, maintenance or repair work;
•
Do not leave the machine during maintenance without safety
devices or lifted, in places accessible to inexperienced people,
especially children;
•
Never dispose of used oil, fuel and any other pollutants into
the environment!
•
Regular maintenance helps to keep the machine in perfect
working order.
CAUTION: before carrying out all control and maintenance
operation, make sure that the engine is switched off.
13.1 ENGINE MAINTENANCE
IMPORTANT: read the engine manual; check the engine
periodically, keep the air fi lter clean and the engine oil level.
IMPORTANT: place the machine in a horizontal position to
check fl uid levels.
e
ngine
Air
filter
Check and clean the air fi lter every 10 hours.
For engines with an oil-bath air fi lter (fi g. 7/1), change the oil if dirty. Use
the engine oil recommended in the engine manual.
e
ngine
oil
IMPORTANT: it is essential to change the engine oil after the
break-in period (fi rst 20 hours). Then change the oil every 100 hours
or once a year.
The engine must be cold and in a horizontal position to check the engine
oil level.
Remove the fi lling plug/dipstick and clean it (fi g. 23).
Reinsert and remove the dipstick without screwing it into the fi ller neck:
the oil level will be marked on the dipstick.
If the oil level is low, top up to the edge of the fi ller neck with the
recommended oil; see the engine manual for further instructions.
To change the engine oil, follow the instructions in the engine manual.
Fig. 23
13.2 MAINTENANCE OF THE HYDROSTATIC AXLE
Change the hydrostatic axle oil every 50 working hours.
For optimum performance it is recommended to use the specifi c GH
axle oil available from Grillo dealers. To change the oil it is necessary to
disassemble the axle, the procedures described below require technical
skills and expertise, it is advisable to contact an authorised Grillo centre.
1. Remove the axle from the machine;
2.
Unscrew the plug (fi g. 24/I);
3.
Raise the levers (fi g. 24/L) by 2 cm, using a thin screwdriver to
release the locking tabs;
4. Drain all the oil;
5. Clamp the axle in a vice;
6.
Undo the six bolts (fi g. 25/M) and open the axle;
7.
Thoroughly clean the magnet (fi g. 26/N) and the housing of any
metal residue;
8. Reassemble the axle, taking care to reposition all parts correctly;
9. Close the cover, taking care to correctly reinsert the two plastic pins
into the holes in the plastic forks (fi g. 26/O);
10.
Tighten all cover bolts (fi g. 25/M);
11.
Keep the levers (fi g. 24/L) lifted up;
12. Fill the axle with 1.8 L of oil Grillo code 53140 or gearbox oil 10W60;
13.
Lower the levers (fi g. 24/L) until they click into place and tighten the
oil plug (fi g. 24/I).
L
L
I
Fig. 24
