REPAIR INSTRUCTIONS
Page 119
102
Figure 102 — Control Wire Removal
Rocker Arm, Valve Yoke and Push
Rod Removal
[213 LP, NV & LH]
Refer to Figure 104.
1. If equipped with an engine brake, remove
the six capscrews (3) and washers retaining
the brake actuator assembly (13) and rocker
arm assembly (10) to each cylinder head.
2. Remove the brake actuator and rocker arm
assemblies from each cylinder head (one
actuator and rocker arm assembly per
head).
If an engine brake was not installed, there will be
six shorter capscrews retaining the rocker arm
assembly to the cylinder head.
3. Remove valve yokes from each pair of
valves by lifting straight up on each yoke.
Tag yokes for reassembly.
4. Remove valve push rods and tag rods for
reassembly.
The valve roller follower has an insert in the top
end to provide a hardened wear surface for
contact with the push rod (Figure 103). The insert
is staked in place during manufacture of the lifter
(later production is press fit). However, with very
early version roller lifters, insert movement can
take place during engine operation, resulting in
the insert no longer being retained by the staking.
As each push rod is removed, immediately
inspect the lower end to see if a lifter insert is
stuck to the push rod ball end. If an insert is
present, carefully place the push rod back into its
installed position, and by feel, attempt to engage
the insert into its bore in the lifter top. Once fully
engaged, remove push rod with a twisting/side-
load motion, so the insert will remain in place in
the lifter bore.
103
Figure 103 — Valve Lifter Insert
1. Valve Cover
2. Capscrew
3. Control Wire
4. Spacer Housing
5_106_00.bk Page 119 Friday, August 4, 2000 11:17 AM
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