Husqvarna PT26D Workshop Manual page 66

Cleaning the radiator's heat exchanger
Remove the radiator grille (69). If the dirt is
mixed with oil, first spray cold degreasing
agent and wait approximately 5 minutes.
Then flush the radiator with water jets from
the engine compartment. Contaminated oil,
can be due to a leaking oil cooler. Replace
the cooler in the event of leakage. The cooler
is made of aluminium, which is why repairs
are not recommended.
Replacing the cooler
1. Remove the engine hood completely.
2. Separate the cooling fan's power cable
in the connector.
3. Remove the fastening bolts (76) holding
the cooling fan (75) in the fan housing.
4. Lift off the cooling fan upwards to the right.
WARNING!
Coolant is poisonous and hazard-
ous to the environment. Handle
according to local regulations.
5. Empty the cooling system through the
plug (82) on the lower radiator hose.
6. Remove the panel with the cover under
the switch panel.
7. Release the bracket with cable harnesses
from the engine compartment wall.
8. Release the upper and lower radiator
hoses (78+79) from the radiator.
9. Drain the hydraulic tank if sealing plugs
for the hydraulic lines are not available.
10. Place a container under the hydraulic
cooler to collect the waste oil.
11. Clean according to the general instructions.
12. Release the hydraulic lines from the cooler.
Use a counterhold. Fit protective plugs.
13. Remove the cooler's securing nuts (68)
and lift off the cooler.
14. When replacing the cooler, move over
the fan cover (73).
15. Check that the sealing strip between the
cooler and the engine compartment wall is
undamaged and is in the correct position.
16. Assemble in reverse order. Tightening
torque for hydraulic lines as set out in the
table.
Caution: Different screws for the panel,
threaded screws on top and self-tapping
screws underneath.
REPAIR INSTRUCTIONS
Coolant draining
The hydraulic tank's drain plug
8009-884
8043-117
65
English-