User Manual

Page 6-52
200 ENGINE ASSEMBLY
Installation
Ensure that the cylinder heads are in acceptable
condition. Refer to the cylinder head inspection
procedures in the BENCH PROCEDURES
section in this manual.
All MACK head gaskets are precoated and do not
require any type of additional sealing compound.
Refer to Figure 6-58.
1. Place the head gaskets in position on the
locating pins in the cylinder block deck.
2. Place a fire ring carefully in position on top of
each cylinder sleeve.
Check that the design of the fire ring used is the
correct match for the cylinder sleeves installed.
Refer to the TROUBLESHOOTING section for
Proper Fire Ring/Cylinder Top Combinations.
3. Position the completely assembled cylinder
heads on the cylinder block. Locate the
heads into the guide pins in the cylinder
block.
Figure 6-58 — Cylinder Head Gasket and Fire Ring Positioning
1. Cylinder head
2. Gasket
3. Fire ring
4. Cylinder block
5-101.bk Page 52 Friday, March 17, 2006 11:05 AM