Bleeding the
h
eating
s
ystem
Check contents of the coolant in the equalizing reservoir. Top up the coolant if need be.
Loosen the overpressure plug only after the coolant cools down! Scald danger!
The bleeding valve of the heater (1) is located on the left-
hand side of the tractor in front of the cabin and it is
accessible after the bonnet has been lifted off.
Bleeding procedure:
Set the heater valve control on the dashboard to
maximum volume.
Fit a hose on the tube of the heater bleeding valve. Dip
the other end of the hose in the coolant vessel.
Start up the engine.
Loosen the bolt of the heater bleeding valve.
Increase the engine speed to cca 1500 r.p.m.
Once air bubbles stop issuing from the dipped end of the
hose tighten up the bolt of the heater bleeding valve.
Stop the engine.
NM14D005
MAINTENANCE INSTRUCTIONS
115
Содержание MAJOR HS Series
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