MTU Detroit Diesel 183 Series Technical Publication page 241

Task Description
20080/1 E 98-12
Installation
Heat cylinder head to approx. 80°C in water bath.
Part is hot. Risk of injury!
Handle part only when wearing gloves.
Insert valve seat inserts in chillbox, part No. 346 589 00
63 00, and fill with liquid nitrogen. Chill valve seat
inserts for approx. 20 to 30 minutes.
Nitrogen liquefies under extreme cold:
-200 °C (-328 °F).
Danger of freezing and suffocation!
Do not allow liquid nitrogen to come into contact
with body parts (eyes, hands).
Wear protective clothing (including gloves and
closed shoes) and goggles.
Ensure good ventilation at workplace.
Note
Liquid nitrogen is available from any nitrogen producer.
Use pliers to remove valve seat insert from chillbox and
fit on bore of heated cylinder head.
Drive in valve seat insert and settle correctly once
temperature has equalised.
Mandrel 403 589 00 15 00
Sleeve 403 589 01 15 00
Machine valve seat (05-4532).
Replace or grind valve (05-4202).
Group
Subgroup
Page
Notice!
Notice!
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