HOSE AS 2370984 - Caterpillar

Table 1
Maximum Torque for Bolts With Washers    
Thread Size     Torque    
25.4 mm (1.00 inch)    
42 N m (31 lb ft)    
28.58 mm (1.125 inch)    
84 N m (62 lb ft)    
38.1 mm (1.50 inch)    
185 N m (137 lb ft)    Cleaning the Plates
Improper methods of cleaning will damage the plates. Do not scrape or scratch the plates. Do not use a wire brush for cleaning the plates. Use a brush with soft bristles. Be careful not to damage the gaskets.
Illustration 7 g00505947
Use a brush with soft bristles for cleaning. Be careful not to damage the gaskets. (1) GasketUse running water and a brush with soft bristles for cleaning debris. Pressurized water at a maximum of 275 kPa (40 psi) may be used.Dry the plates with a clean cloth.Cleaning Buildup From the Plates
The use of some chemicals in cleaning solutions can cause corrosion and damage to some components. For the proper cleaning solutions, follow the recommendations that are provided by the OEM of the heat exchanger.
Different types of buildup may require different cleaning solutions. To determine the cause of the buildup, obtain an analysis of the material and the water. Consult the OEM of the heat exchanger in order to determine the proper method of cleaning to use.Connecting the Coolant Lines
During operation, the fluid in the lines of the cooling system is hot and pressurized. A rupture of the coupling could cause parts and hot fluid to be expelled. Improper selection, installation, or use of the coupling could result in property damage, personal injury, or death. Install couplings that are proper for the application according to the instructions.
Illustration 8 g00814976
Detail of a typical coupling (1) Coupling (2) Sleeve (3) Retainer (4) Gasket (5) Tube (6) Bolt
Ensure that gasket (4) is inserted to the proper length over tube (5) .
Place the tube in the original position. Orient sleeve (2) with gasket (4) and retainer (3). See Illustration 8.
Place the coupling over the retainer, the sleeve, and the gasket.
Tighten bolt (6) to the torque that is correct for the size of the coupling.Filling the Cooling System
Only use coolant/antifreeze mixtures that are recommended by the Operation and Maintenance Manual for the engine. Failure to do so can cause damage to the engine and the equipment.
Never use water alone without Supplemental Coolant Additives (SCA) or without inhibited coolant. Water alone is corrosive at engine operating temperatures. Water alone does not provide adequate protection against boiling or freezing.
Remove the filler caps for the expansion tanks.
The vent valve or vent plug for the aftercooler must be opened in order to allow the aftercooler system to fill properly. Failure to do this will cause an air lock which will result in damage to the engine. Open the vent for the aftercooler in order to allow the system to fill properly.
Illustration 9 g00815025
Vent plug for the aftercooler
Vent the aftercooler circuit. Remove the vent plug.
Fill the cooling system no faster than 19 L (5 US gal) per minute to avoid air