Cleaning / Replacement; Air Filter, Engine; Air Filter - Model; Cleaning The Air Intake - Stiga 520 DP Instruction Manual

(Translation of the Original Instructions)
9 12 4

Cleaning / Replacement

For the frequency of this intervention
see chapter 13
If the battery terminals are coated with oxide, they
should be cleaned. Clean the battery terminals with
a wire brush and lubricate them with terminal gre-
ase.

9 13 AIR FILTER, ENGINE (38, 39)

For the frequency of this intervention
see chapter 13
For this maintenance operation, see
also the manual for the engine sup-
plied with the machine
9 13 1 Air filter - Model (24:C)
For the frequency of this intervention
see chapter 13
A damaged air filter will allow contami-
nated air into the engine This can se-
riously damage the engine
The air filter must be cleaned every 50 service
hours and replaced whenever necessary and at
least every 500 service hours.
NOTE! The filters should be cleaned/re-
placed more often if the machine ope-
rates on very dusty ground
Remove/install the air filters as follows:
1 Apply the parking brake.
2 Open the bonnet.
3 Remove the rear right mudguard (38:A), un-
screw and remove the two wing nuts (38:B)
and relative plastic washers (38:C).
4 Clean around the air filter cover (38:D).
5 Slacken and remove the knob (38, 39:E).
6 Take of the filter cover (38, 39:D).
7 Unscrew the knob (39:F) and remove the filter
(39:G).
Never aim jets of compressed air at or
close to the body Air penetration into
the blood flow can be fatal.
8 Remove any dry dirt by blowing compressed
air into and over the outside of the filter. The
pressure must not exceed 5 bar.
9 After cleaning, check that there are no bre-
akages or other damage. This can be done
holding the filter up against the light and
visually checking its condition.
10 Check that the filter's coupling surfaces are
free from defects.
ENGLISH
11 If the filter is damaged or contaminated with
humidity and/or oily dirt it must be replaced.
12 Reassemble by following the instructions in
reverse order.
Compressed air or petroleum-based solvents
such as kerosene must not be used for cleaning
the paper filter insert. This will damage the filter.
9 13 2

Cleaning the air intake

For the frequency of this intervention
see chapter 13
See figure (24:C). The engine is air-cooled. A
blocked cooling system can damage the engine.
Clean the engine's air intake after 50 service
hours. More meticulous cleaning of the cooling
system should be carried out during each basic
service.

9 14 LUBRICATION (41)

For the frequency of this intervention
see chapter 13
All lubrication points indicated in the table below
must be lubricated every 50 service hours and
after every wash.
Object Action
Wheel 2 grease nipples
bearings
Use a grease gun filled with
universal grease.
Only for
Pump until the grease seeps
model
out.
4WD
Centre 4 grease nipples
point
Use a grease gun filled with
universal grease.
Pump until the grease seeps
out.
Ste- Brush the chains clean with a
ering wire brush.
chains
Lubricate with universal chain
spray.
Ten- Lubricate the support points
with oil when each control is
sioning
activated.
arms
Control Lubricate the cable ends with oil
cables when each control is activated.
This operation must be carried
out by two people.
EN
Fig
41:A
41:B
41:B
41:D
41:E
23