ENGINE SYSTEM
2-49
D615-W02 May-2003
12
13
11
10
78
2
1
0
6
5
4
39
615W299A
615W298A
(D)Valve recessing
1. Clean the cylinder head, the valve face and the seat.
2. Insert the valve in the guide.
3. Measure the valve recessing with a depth gauge.
4. If the recessing exceeds the allowable limit, replace
the valve and check the valve seating.
Valve
recessing
Factory
spec.
Allowance
0.2 ~ 0.5 mm
0.0078 ~ 0.0197 in.
0.8 mm
0.0315 in.
(E) Valve seat
1. Coat the valve face lightly with red lead and put the
valve on its seat to check the contact.
2. If the valve does not seat all the way around the
valve seat or the valve contact is less than 70%,
correct the valve seating as follows.
3. Apply compound on the valve face evenly.
4. Put the valve on its seat hold it with the valve flapper.
5. Turn and lap the valve back and forth on the valve
seat to lap.
6. Remove the compound and clean the valve and the
seat.
7. Apply oil on the valve face and finish to complete
fitting.
8. Repeat lapping until the valve seats correctly.
615W297A
(C)Valve stem clearance
1. Remove the carbon from the valve guide.
2. Measure the valve stem O.D. with an outside
micrometer.
3. Measure the valve guide I.D. of cylinder head, and
calculate the clearance.
4. If the measurement exceeds the allowable limit,
replace the valve guide of the valve.
Valve stem
clearance
Valve guide
bore I.D.
Valve stem
O.D.
Factory
spec.
Allowable
limit
Factory
spec.
Factory
spec.
0.040 ~ 0.070 mm
0.00157 ~ 0.00276 in.
0.1 mm
0.004 in.
8.015 ~ 8.030 mm
0.31555 ~ 0.31614 in.
7.960 ~ 7.975 mm
0.31339 ~ 0.31398 in.
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Summary of Contents for 8354
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Page 9: ...CHAPTER 1 GENERAL INFORMATION www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 10: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 22: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 23: ...CHAPTER 2 ENGINE SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 24: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 54: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 56: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 89: ...CHAPTER 3 CLUTCH www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 90: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 104: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 105: ...CHAPTER 4 TRANSMISSION www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 106: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 164: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 165: ...CHAPTER 5 REAR AXLE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 166: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 174: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 175: ...CHAPTER 6 BRAKE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 176: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 188: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 189: ...CHAPTER 7 FRONT AXLE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 190: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 211: ...CHAPTER 8 STEERING SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 212: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 234: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 235: ...CHAPTER 9 HYDRAULIC SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
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Page 272: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 273: ...CHAPTER 10 ELECTRIC SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
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