Service Repair Manual
Models
385C FS Excavator
Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 385C FS EXCAVATOR T2F
Configuration: 385C FS Excavator T2F00001-UP (MACHINE) POWERED BY C18 Engine
Disassembly and Assembly
C15 and C18 Engines for Caterpillar Built Machines
Media Number -RENR8261-28
Publication Date -01/08/2015
Date Updated -28/08/2018
i02905633
Valve Actuator (Variable) - Install
SMCS - 1105-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1
g01446248
1/3
385C FS Excavator T2F00001-UP (MACHINE) POWERED BY C18 Engine(SEBP42...
2020/10/6
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 2
g01446408
1. Install two studs (9) at Location 6 and Location 7. Tighten studs (9) to a torque of
47 ± 9 N·m (35 ± 7 lb ft).
2. Install stud (10) at Location 2. Tighten stud (10) to a torque of 65 ± 10 N·m (48 ± 7 lb ft).
Install support (11).
3. Position rocker arm assembly (8). Install three studs (7) at Location 3, Location 4, and
Location 5. Tighten studs (7) to a torque of 50 ± 5 N·m (37 ± 4 lb ft). Turn studs (7) for an
additional 45 ± 5 degrees.
Illustration 3
g01446246
4. Install variable valve actuator (5).
5. Install bolt (2). Install four nuts (3). Install two nuts (6). Refer to the tightening sequence.
6. Tighten bolt (2) to a torque of 105 ± 20 N·m (77 ± 15 lb ft). Tighten nuts (3) to a torque of
105 ± 20 N·m (77 ± 15 lb ft). Tighten nuts (6) to a torque of 47 ± 9 N·m (35 ± 7 lb ft).
Tighten the nuts and the bolt in a numerical sequence.
7. Connect harness assembly (4). Connect harness assembly (1) to variable valve actuator (5).
2/3
385C FS Excavator T2F00001-UP (MACHINE) POWERED BY C18 Engine(SEBP42...
2020/10/6
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 4
g01446444
8. First adjust the lash on the exhaust and then adjust the compression brake on variable valve
actuator (5). Refe