b) Remove the draining plugs on the radiator and on the left side of the cylinder block.
c)
Remove the draining plugs on the oil cooler.
d) The engine assembly may also have other draining plugs (e.g. on the engine heater piping).
Remove also these plugs.
e) Drain the coolant.
Make sure all coolant is drained out and no impurities are blocking the draining hole.
2.
Examine the tightness and condition of the rubber hoses of the cooling system.
3.
Replace damaged rubber hoses.
4.
Fill cooling system.
a) Fill the cooling system with a mixture of
antifreeze and coolant until the coolant
level comes above the radiator core.
b) Bleed the cooling system by removing
the air venting plug/temperature sensor
on the thermostat housing.
c) Pour coolant until the coolant level
reaches the plug.
d) Screw in the plug and fill rest of the
system.
NOTE: Never use only water as coolant but a
mixture of 40 - 60 % of water and antifreeze.
See the information for coolant quality
requirements.
GUID-EE6ADAB9-3ECA-4D47-9484-6E50DF166BAC-high.eps [High]
Fig. 35
1.6.11 Additional maintenance instructions
1.6.11.1 Before the cold season
Procedure
1. Drain the fuel tank of water.
2. Replace the fuel filter and pre-filter.
3. Ensure that the fuel in the tank is of winter quality.
4. Change the engine oil (winter quality).
5. Check the battery condition.
6. Check the function of the intake air heater.
7. Check the function of the coolant pre-heater.
1.6.11.2 Tightening torques
Object Nm
Cylinder head bolts 80 Nm + 90° + 90°
Main bearing screws 200
Connecting rod screws
• M12 • 40 Nm > 80 Nm + 90°
• M14 • 40 Nm > 80 Nm + 90° + 90°
[V]
GUID-35C6AC3F-5A1A-4A53-A572-BCA4722492BE [V1]
GUID-14288225-674A-4E72-AD44-BDCA8FA55D33 [V10]
1. General
1-38 Rubber Track Tractor
79037272A