Operation and Maintenance Manual SC9DF Electronically Controlled Diesel Engine for Agricultural Equipment
33
The coolant into the diesel engine and its additive concentration
shall be subject to the standards as specified in Chapter 2.
Anti-freeze coolant of water and ethylene glycol must be mixed
in advance before being added into the engine. Adding ethylene
glycol fluid directly into the engine will cause engine overheating
before it is mixed well with water in the engine since ethylene
glycol fluid is different from water in heat-transfer capability.
The coolant fluid shall be added into the cooling system until
the level reaches bottom surface of the coolant filler cap or
inspection port of radiator or expansion tank. It shall be filled
slowly in order to avoid air block, and wait for 2-3 min to allow
the air to be exhausted fully.
4.3.7 Check drive belt
Visually inspect the belt. Check the belt for cross cracks.
Transverse cracks that are along but not through belt width are
acceptable, while longitudinal cracks and cracks that are
through the belt width are not acceptable. Replace the belt if it
is worn or its material flake.
Water Water
Ethylene glycol
Ethylene glycol
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