Installing Push Rod Cover Cork Washers (O.H.V. Engine)

(To Identify Items, Refer to Illus. 13 and 15)

After tappets have been uncovered and inspection shows that any cork washers need renewing push rod and push rod cover assembly must first be removed.

1. Before attempting to remove push rod and cover assembly, turn engine until tappet is at its lowest position.

2. Turn adjusting screw lock nut (3) all the way up to end of thread on adjusting screw (2). Turn adjusting screw (2) all the way down into tappet body (4).

3. Remove push rod and cover assembly by prying push rod upward and to one side, but be careful not to bind push rod upper end in aluminum rocker arm housing, because doing so may result in a bent push rod.

4. Install cork washer (6) in aluminum rocker arm housing and cork washer (13) in tappet guide, being careful not to damage them and making sure they are well seated. Install cork washer (11) at upper end of lower push rod cover, as shown in Illus. 15.

5. Reassemble push rod and push rod cover assembly in reverse order of disassembly. See Illus. 14.

6. Readjust valve tappets—see "Adjusting Valve Tappets, (O.H.V. Engine)," Page 22.

Adjusting Valve Tappets (Side Valve Engine)

To get the maximum power and best all-around performance from an engine, keep valve tappets properly adjusted. They must be adjusted after grinding valves, and should be inspected and, if necessary, adjusted about every 1000 to 1500 miles thereafter.

The need of attention to tappet adjustment is indicated by excessive clicking and noise that develops with too much clearance between tappets and ends of valve stems.

Engine must be cold.

To uncover tappets, first lift cover spring ring with Harley-Davidson special spanner. Part No. 11959-39 (one furnished in each tool kit), and latch it in slots in upper spring cover. Keeper can then be removed and lower cover telescoped into upper cover.

As each tappet is adjusted, first make sure it is at its lowest position, by turning engine ahead until the like tappet in the other cylinder is at its highest position (valve fully open).

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