Hitachi 4HK1 Workshop Manual page 30

1B-6 Mechanical (4HK1)
Caution：
・ After removing the EGR pipe, seal to prevent
intrusions of foreign material.
1. EGR pipe A
2. EGR cooler
3. Exhaust manifold
3. Remove the EGR cooler from EGR pipe B and the
EGR cooler bracket.
4. Remove EGR pipe B from the EGR valve.
Caution：
・ After removing the EGR pipe, seal to prevent
intrusions of foreign material.
1. EGR cooler bracket
2. EGR cooler
3. EGR pipe B
7. EGR valve removal
1. Disconnect the harness connector from the EGR
valve.
2. Remove the EGR valve from EGR pipe C.
Caution：
・ After removing the EGR valve, seal to prevent
intrusions of foreign material.
1. EGR cooler
2. EGR pipe B
3. EGR valve
4. EGR pipe C
8. EGR cooler water pipe removal
1. Remove the fan guide stay from the fan guide and
the fan guide bracket.
2. Remove the fan guide bracket from the cylinder head
assembly.
1. Fan guide
2. Fan guide stay