5-101.bk Page 47 Friday, March 17, 2006 11:05 AM
200 BENCH PROCEDURES 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 nonbrake 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. Page 5-47
