User Manual

200 BENCH PROCEDURES
Page 5-47
If dimensions are not within specification,
machine valve seat insert and/or valve face as
necessary. Refer back to Valve Seat Insert
Installation (page 36 in this section) for detailed
specifications.
[213 LV] VALVE ROCKER ARM
SHAFT
There is a shouldered rocker arm mounting
capscrew at one end of each rocker arm
assembly to ensure proper alignment.
Inspection
Inspect all components of rocker arm and bracket
assembly for evidence of damage or wear.
Replace as necessary.
Rocker Arms
To date, E7 and E7 EUP (E-Tech™) engines use
the same rocker arms. Effective second quarter
1997, both models use a newly designed rocker
arm, where the slipper end wear surface is a
hardened, headed pin, pressed into the rocker
arm.
Figure 5-61 — New-Style Rocker Arm
Valve Rocker Arm Shaft Assembly
(Except Jacobs Engine Brake)
Refer to Figure 5-62.
The assembly procedure for rocker arm shaft
(includes Dynatard) without Jacobs engine brake
is described below. The rocker arm bracket
mounting dimensions are the same for both non-
brake and brake assemblies. The rocker arm
arrangement includes valve rocker arms (with
lash adjusters) mounted on rocker arm shaft.
1. Position shaft (12) so that screw locating
hole is in line with bracket locating screw
hole.
2. The offset side of bracket must be
positioned toward right side of engine.
3. Assemble bracket (8) on press table. Press
shaft into bracket until oil hole in shaft is
positioned under hole bracket. Install
locating screw and lock washer (8) to secure
bracket on shaft.
4. Lubricate inlet rocker arm (3) and install on
rocker arm shaft.
5. Lubricate valve rocker arm adjusting screw
and nut, and install into inlet rocker arm.
5-101.bk Page 47 Friday, March 17, 2006 11:05 AM