Mack MP7 - Valve Yoke (Bridge) Removal

REPAIR INSTRUCTIONS, PART 1
Page 115
The fasteners must be loosened evenly, in stages
and in sequence to prevent bending or damaging
the rocker arm shaft.
113
Figure 113 — Rocker Arm Shaft Retaining Screws
4. Attach the lifting tool, 85109050, to the
rocker arm shaft.
5. With the aid of an assistant, carefully
remove the shaft assembly using the lifting
tool. Place the shaft assembly in a secure
location.
114
Figure 114 — Removing Rocker Arm Shaft Assembly
6. With the rocker arm shaft assembly
removed, check to make sure that the
alignment sleeves remain in position on
each bearing cap.
115
Figure 115 — Rocker Arm Shaft Alignment Sleeve
7. Remove the lifting tool from the rocker arm
shaft.
Valve Yoke (Bridge) Removal
[213 NV]
116
Figure 116 — Valve Yoke (Bridge) Removal
1. Tag the yokes to facilitate reassembly in the
locations from which they were removed.
2. Remove the yokes and set them aside.
1. Lifting Tool 85109050 2. Rocker Arm Shaft
Assembly
1. Bearing Cap
2. Camshaft
3. Alignment Sleeve
1. Inlet Valve Stems 2. Inlet Valve Yoke