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Harley-Davidson Dyna 2008 - Page 191

Harley-Davidson Dyna 2008
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7. See Figure 3-37. Install cylinder using PISTON RING
COMPRESSOR (Part No. HD-96333-51E).
a. Fit tabs on pliers (1) into slots of ring compressor band
(2). The arrow stamped on the band indicates the
side that faces up, so disregard the word "bottom".
Place band around piston. Press the lever on the right
side of the pliers to open the jaws for band expansion.
b. Orient tool so that the top of the band is positioned
between the top compression ring and the piston
crown. Tightly squeeze handles of tool to compress
piston rings. The ratcheting action of the tool allows
release of the handles after the rings are compressed.
c. With the indent in the cooling fins facing the right side
of the engine, gently slide cylinder over the cylinder
studs and the piston crown resting it on the top of the
ring compressor band.
d. Place the palms of both hands at the top of the cyl-
inder. Push down on the cylinder with a sharp, quick
motion to pass the piston ring area.
e. Rotate the engine slightly to raise piston off support
plate. Remove pliers from band and then remove
band from around shank of connecting rod. Remove
piston support plate
8. Remove shop towels from around the crankcase bore
exercising caution to keep out any dirt or debris.
9. Carefully set the cylinder over the two ring dowels in the
cylinder deck. Push down on the cylinder until it is fully
seated in the crankcase bore.
NOTE
See Figure 3-38. To hold the first cylinder in position while
installing the second, install THREADED CYLINDERS (Part
No. HD-95952-1) from CONNECTING ROD CLAMPING
TOOL (Part No. HD-95952-33C) onto cylinder studs with the
knurled side down.This will prevent the piston rings from raising
the cylinder as the engine is rotated to bring the other piston
into position for installation of the second cylinder.
sm02342
Figure 3-34. O-ring Seal For Cylinder
3
4
2
1
1
2
4
3
5
5
6
7
sm02182
1. Expander spring
2. Bottom oil rail
3. Top oil rail
4. Second compression ring
5. Top compression ring
6. Front
7. Rear
Figure 3-35. Piston Ring Alignment
3-34 2008 Dyna Service: Engine