Swing rocker arms (11) away from injector
and valves. Remove four injector clamp
bolts (12), four washers (13), and four
Remove four fuel injectors (3) from cylinder
Loosen twelve lock nuts (15) at upper end
of push rods (16) next to rocker arm clevis.
Unscrew twelve rocker arms (11) from
Remove eight valve bridges (17) from
bridge guides (18).
Rest cylinder head on its side and remove
eight cam follower guide bolts (19), eight
Iockwashers (20), and four cam follower
guides (21 ). Discard Iockwashers.
Remove twelve cam follower spring
retainers (22) from cam follower bores
Pull twelve cam followers (23) and twelve
push rod (16) assemblies from bottom of
cylinder head. Remove twelve push rod
nuts (15), twelve upper spring seats (25),
twelve cam follower springs (24), and
twelve lower spring seats (26) from twelve
Mark location of valve for
reinstallation. With used valves,
valves must go in original location.
Remove sixteen exhaust valves as follows:
Position cylinder head on its side.
Using valve spring compressor (27),
compress valve spring (28). Remove
two piece tapered valve locks (29).
Release compressor (27) and remove
upper spring seat (30), valve spring
(28), lower spring seat (31), and
exhaust valve (32).
Change 1 5-37