Mack E7 Service Manual page 176

5-101.bk Page 18 Friday, March 17, 2006 11:05 AM
DIAMOND-SHAPED DOWEL PIN
INSTALLATION
Refer to Figure 6-19.
1. Position the two alignment studs (3) in the
threaded holes (2) nearest the right dowel
location hole (6) in the cylinder block (1).
2. Position the diamond-shaped dowel pin (5)
in the diamond dowel aligner J 37711 (4).
3. Position the diamond dowel aligner with the
pin in position on the two alignment studs
(3).
4. Using a hammer, drive the dowel pin into the
hole until it bottoms out in the block.
5. Remove the diamond dowel aligner and the
two alignment studs. The dowel pin will be at
the correct height above the block.
1
6
2
3
Figure 6-19 — Diamond-Shaped Dowel Pin Installation
1. Cylinder block
2. Threaded holes
3. Alignment studs
4. Diamond dowel aligner
Page 6-18
200 ENGINE ASSEMBLY
2
3
4
5
200336a
5. Diamond-shaped
dowel pin
6. Dowel location hole
BLADE-TYPE DOWEL PIN INSTALLATION
1. Position the round end of the blade-type
dowel pin into the dowel pin hole in the
cylinder block. The blade end must be
aligned vertically with the block.
2. Using a hammer, drive the dowel pin into the
block until the shoulder of the pin is flush
with the cylinder block surface.