EN
ENGLISH
(Translation of the original instructions)
9.11.1 Cleaning/Replacement
For the intervention timing see chapter
13.
NOTE! Filters need to be cleaned/re-
placed more often if the machine is
working on very dusty ground.
Remove/install the air lters as follows:
[B&S Vanguard] (33)
1. Carefully clean the area around the air lter
cover.
2. Disassemble the air lter cover (33:A) by re-
moving the two clips.
3. Remove the lter assembly (33:B). The
pre-lter is located above the air lter. Prevent
dirt from entering the carburettor. Clean the
air lter housing.
4. Clean the paper lter by gently tapping it
against a at surface. If it is very dirty, replace
the lter.
5. Clean the pre-lter. If it is very dirty, replace it.
6. Reassembly in reverse order to disassembly.
[ST.] (34)
1. Clean the area around the lter cover (34:C).
mod. TRE 0801
2. Remove the cover (34:C) by unscrewing the
two knobs (34:D).
mod. TRE 586 V
2. Open the cover (34:C) by turning the opening
knob (34:D).
3. Remove the ltering element (34:E, 34:F).
4. Remove the foam pre-lter (34:F) from the
cartridge (34:E).
5. Tap the cartridge (34:E) on a solid surface
and blow with compressed air from the inside
to remove dust and debris.
6. Wash the foam pre-lter (34:F) with water
and detergent and allow it to air dry.
7. Clean the inside of the lter housing (37:G)
from dust and debris, taking care to close the
intake duct with a rag (34:H) to prevent them
from entering the engine.
8. Remove the rag (34:H), arrange the ltering
element (34:E, 34:F) in its housing and reas-
semble the cover (34:C).
IMPORTANT
Do not use water, petrol,
detergents or any other products to clean the
cartridge.
IMPORTANT
The foam pre-lter (34:F)
should NOT be greased.
9.11.2 Replace the spark plug
For the intervention timing see chapter
13.
For this maintenance, see also the
engine manual supplied with the ma-
chine.
Before removing the spark plug, clean the area
surrounding its installation point.
For the type of spark plug and electrode dis-
tances, see "0 TECHNICAL SPECIFICATIONS
TABLE"
9.11.3 Air vent cleaning
For the intervention timing see chapter
13.
The engine is air cooled.
If the cooling system is blocked, the engine could
be damaged.
Make sure the cooling air vents are not obstruct-
ed.
A more thorough cleaning of the cooling system
is performed during each Basic Check.
9.12 LUBRICATION (31)
For the intervention timing see chapter
13.
Object Action Fig.
Central
point
4 lubricators
Use a grease gun lled
with universal grease.
Pump until grease ows
out
31A
Steering
wheel
chain
Clean the chain with
a wire brush.
Lubricate with universal
chain spray
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