CORE AS-AFTERCOOLER 1644712 - Caterpillar

Illustration 1 g01611036
Front view
(1) Lubricate the bore of the O-ring seals lightly with the clean engine oil. (2) Torque for the plug ... 100 15 N m (74 11 lb ft)Use the following tightening sequence for the clamp bolts:
Snugly tighten the clamp assembly (6) to the tube assembly (7).
Tighten the two bolts (5) of the clamp assembly to the outlet adapter (3) to 47 9 N m (35 7 lb ft).
Tighten the two bolts (4) of the clamp assembly to the tube assembly (7) to 47 9 N m (35 7 lb ft). Note: The oil cooler bypass valve must open with a pressure difference of 180 20 kPa (26 3 psi). (8) 2W-1635 Spring for oil cooler bypass valve Length under test force ... 102.0 mm (4.02 inch)Test force ... 518 26 N (116 6 lb)Free length after test ... 143.4 mm (5.65 inch)Outside diameter ... 37.251 mm (1.4666 inch)Note: The cooling jet sequence valves must start to open at a pressure difference of 130 30 kPa (19 4 psi).Note: The cooling jet sequence valves must be fully open at a pressure difference of 200 30 kPa (29 4 psi). (9) 6B-9202 Spring for the cooling jet sequence valve Length under test force ... 68.3 mm (2.69 inch)Test force ... 85 to 100 N (19.0 to 22.4 lb)Free length after test ... 112.8 mm (4.44 inch)Outside diameter ... 24.61 mm (0.969 inch)