OPERATOR AR 5365500 - Caterpillar

Table 1
Contents of the 294-9052 Radiator Cap Kit    
Qty     Item    
1     4N-3311 Pressure Cap    
1     225-4256 Film    
1     Special Instruction, REHS3001, "Installation of the 225-4256 Film"    
Illustration 1 g01235683
225-4256 Film
Pressurized System: Hot coolant can cause serious burns. To open the cooling system filler cap, stop the engine and wait until the cooling system components are cool. Loosen the cooling system pressure cap slowly in order to relieve the pressure.
Install the 225-4256 Film on a flat surface of the radiator or on the expansion tank near the cap. Make sure that the film will not be obstructed by any object.When you replace a 4N-3311 Pressure Cap, use the 294-9052 Radiator Cap Kit.