HOSE AS 4973664 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01435059
Illustration 2 g01435470
Install two studs (9) at location 5 and location 7. Tighten studs (9) to a torque of 47 9 N m (35 7 lb ft).
Install stud (10) at location 6. Tighten stud (10) to a torque of 65 10 N m (48 7 lb ft). Install support (11).
Position rocker arm (8). Install three studs (7) at location 1, location 2, and location 4. Tighten studs (7) to a torque of 50 5 N m (37 4 lb ft) plus a 45 5 degree turn.
Illustration 3 g01435057
Install variable valve actuator (1).
Install bolt (2). Tighten bolt (2) to a torque of 105 20 N m (77 15 lb ft). Install four nuts (3). Tighten nuts (3) to a torque of 105 20 N m (77 15 lb ft). Refer to the tightening sequence.
Install two nuts (6). Tighten nuts (6) to a torque of 47 9 N m (35 7 lb ft). Refer to the tightening sequence.
Connect harness assembly (5). Connect harness assembly (4) to variable valve actuator (1).
Illustration 4 g01446175
First adjust the lash on the exhaust and then adjust the compression brake on variable valve actuator (1). Refer to Testing and Adjusting, "Slave Piston Lash - Adjust" for more information on adjusting the lash for the compression brake. Tighten jam nut (12) to a torque of 15 3 N m (11 2 lb ft). End By:
Install the valve mechanism cover. Refer to the Disassembly and Assembly Manual, "Valve Mechanisim Cover - Remove and Install".