WASHER 1550831 - Caterpillar

Illustration 1 g03418548
Typical example
Illustration 2 g03418553
Typical example
Drain the coolant in order to remove the coolant lines (1). Remove the cooling lines (1) and remove Diesel Exhaust Fluid (DEF) line (2).
Remove electrical connect from position (3) and install protection caps to DEF injector (5). Remove nuts (4) and washers (9) from DEF injector (5) and remove DEF injector from Clean Emission Module (CEM) (6).
Illustration 3 g03418578
Typical example
Remove gasket (7) and remove the studs (8). Discard the gasket and the studs.
Ensure that the sealing face of the CEM is clean and free from dirt.
Apply bostik pure nickel ant-seize compound to ends of the new studs (8). Install the coated ends of the new studs into the CEM, and tighten to a torque of 5 N m (44 lb in).
Install new gasket (7), ensure that the metal side of the gasket is to the CEM. Install new DEF injector (5) to CEM (6).
Install washers (9) and apply bostik pure nickel ant-seize compound to the threads of the studs (8).
Install the nuts (4) and tighten the nuts to a torque of 5 N m (44 lb in). Retighten the nuts to 5 N m (44 lb in). Then, turn the nuts additional 90 degrees.
Install electrical connection into position (3) and install DEF line (2). Install coolant lines (1).
Fill cooling system to the correct level. Ensure that the correct specification of coolant is used. If available, using the electronic service tool (ET) perform DEF Dosing System Verification test.