Cooling System - Husqvarna PT26D Workshop Manual

Cooling system

Fuel system, components
The engine is water cooled. Coolant is circu-
lated by a pump, which is driven by a belt
from the rear end of the crankshaft. The radi-
ator, which is located at the front of the
engine, is common with the hydraulic cooler.
The left-hand side of the radiator acts as the
hydraulic cooler and the right-hand side as
the cooling system's radiator.
The radiator is cooled by an electrically
driven thermostat controlled cooling fan,
located in the engine compartment. In front of
the radiator is a grille, which can be easily
dismantled to remove grass clippings or the
like.
The cooling system is drained using two
plugs, one located on the engine block and
the other on the lower radiator hose.
When draining the cooling system, both the
taps must be opened.
DESIGN AND FUNCTION
Coolant draining engine block
Coolant draining lower hose
1. Coolant pump
2. Drain plug
3. Thermostat housing
4. Cooling fan
5. Radiator
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