Mack E7 - [213 Lp, Nv & Lh] Rocker Arm, Valve Yoke and Push Rod

Page 4-14
200 ENGINE DISASSEMBLY
[213 LP, NV & LH] ROCKER
ARM, VALVE YOKE AND PUSH
ROD
Refer to Figure 4-16.
If equipped with a Jake Brake, perform the
following:
1. Remove three capscrews (6) from each
actuator assembly (15).
2. Remove actuator assemblies from cylinder
heads (one actuator assembly per head).
If a Jake Brake was not installed, there will be six
capscrews per rocker arm assembly. If a Jake
Brake was installed, there will be only three
capscrews per rocker arm assembly remaining.
3. Remove remaining capscrews (13) and
washers (12) from rocker arm shaft brackets
(7). Remove rocker arm assembly (11) from
each head.
4. Remove valve yokes (8) from each pair of
valves by lifting straight up on each yoke.
Tag yokes for reassembly.
5. Remove valve push rods (10) and tag rods
for reassembly.
Figure 4-16 — Valve Cover and Rocker Arm Removal
1. Wire connector
2. Riser
3. Valve cover
4. Short capscrew
5. Long capscrew
6. Actuator capscrew
7. Rocker arm shaft
bracket
8. Valve yoke
9. Head bolt with threaded
hole
10. Push rod
11. Rocker arm assembly
12. Washer
13. Capscrew
14. Connector
15. Actuator assembly
16. Actuator solenoid
200263a
3
5
2
1
4
6
7
7
7
8
9
9
10
11
12
13
14
15
16
5-101.bk Page 14 Friday, March 17, 2006 11:05 AM