Cooling System 3.
Cleaning, Inspection and Repair
a.
Flush out the core with water under pressure. If the interior is greasy, use steam cleaning equipment.
b.
Clean the outside of the core with water under pressure. Flush out between the fins and tubes thoroughly.
c.
Inspect the top and bottom tanks for cracks. Inspect the fins and tubes for damage. If soldering does not effect a satisfactory repair the radiator must be replaced.
NOTE:
Fig. 3
A. B. C. D.
For the Engine to run efficiently, the radiator core should be clean and free from grease, rust and scales to allow free passage of the Cooling Medium and maximum heat transfer.
Cleaning out Dirt and Sludge
Alternator Mounting Alternator Adjusting Bolt Adjusting Bracket
Drain cooling system as directed above. Fill the cooling system with a solution of 1.36 kgs. of ordinary baking soda to 10.19 litres (2.7 US Gallons) of water. Do not replace the radiator cap. Operate the engine until the water is hot. Drain, flush with clean water and refill with anti-freeze solution. The system should be kept filled with clean water with a rust inhibitor or anti-freeze solution. d.
Method of De-Scaling and Flushing :
A Chemical Scale Remover is available in the Market like Brand Name “Core Guard” or some other names. a)
Remove the Radiator from the Tractor.
b)
Block Inlet and Outlet Pipes with suitable adapters. Connected an air pressure hose to the inlet Adapter.
c)
Close the drain cock and fill up the radiator with a Scale Remover Chemical.
d)
Close the Radiator with Pressure Cap immediately and pressurise the Radiator to 5 PSI.
e)
Open partially the drain cock allowing the chemical to drain slowly in the plastic bucket.
f)
Once the Radiator is fully drained close the drain cook and repeat the procedure twice more. At the end of the 3rd round the radiator would have been thoroughly cleaned. Finally drain the system of chemical. Flush the Radiator with clean water.
Fig. 4
Flushing the Radiator : g)
Thoroughly flush inside of the Radiator using good clean water. The outside of the Core should be flushed well
C-82
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08