ENGINE MAINTENANCE. (cont)
3-13. Valves. (Sheet 3 of 8)
Remove guides and inserts only if inspection
indicates replacement is necessary.
Inspect eight guides (5, Figure 3-66). Replace
if cracked, broken, grooved, scored or has a
worn bore diameter exceeding 0.3772 inch.
Using suitable driver and hammer, remove
bad guides (5) from bottom of cylinder head.
Inspect four exhaust inserts (6) and intake
inserts (7). Replace if cracked, broken,
burned or pitted. Using extractor, remove four
intake inserts (7) along with handle assembly.
Clean all parts. Refer to Chapter 2.
Inspect all parts. Refer to Chapter 2.
Go to Sheet 4