Page 207 2
nd
Edition – Rev 0
78-10
EXHAUST – MAINTENACE PRACTICES
3. HEAT EXCHANGER INSPECTION
Additional info &
References
ENSURE THAT ENGINE IS OFF AND COOL BEFORE PERFORM THE
HEAT EXCHANGER INSPECTION.
Ensure that Master Switch is turned OFF
Remove rivets along heat exchanger
longitudinal edges with suitable means and
record position.
Open heat exchanger along longitudinal edges
and remove it from muffler
Inspect heat exchanger to locate corrosions,
cracks and deformations
No corrosion , cracks or
deformation allowed
Apply a mastic layer on muffler rings and in
correspondence of rivet line. Use type 3 sealant
See Chapter 51.
Refer to Figure 5.
Install heat exchanger on its muffler seat
Use a clamp to keep heat exchanger position on
muffler
Fix with rivets as recorded during removal
procedure
Refer to Exhaust installation