Hitachi 4HK1 Workshop Manual page 34

1B-10 Mechanical (4HK1)
SST: 5-8840-0019-0 - sliding hammer
1. Sliding hammer
2. Fuel injector remover
3. Injector
Caution：
・ When removing the injector using the special
tool, check that the injector sleeve has not
been removed as well.
1. Injector
2. Injector sleeve
Caution：
・ Store each ID code plate on the injector head
with the cylinder number tag attached to avoid
a mix-up.
・ Be extremely careful not to damage the
injector nozzle.
19. Rocker arm shaft removal
1. Loosen the adjust screw using the wrench.
Note：
・ Loosen all valve clearance adjustment screws.