Mash Seventy - Chapter 8 Information Service Section 4 Service Data; Section 4 Service Data; Valve + Guide

Chapter 8 Information service Section 4 Service data
8-19
Section 4 Service Data
VALVE + GUIDE
ITEM STANDARD LIMIT
Valve diam. IN.
30
———
EX.
26
———
Valve clearance (When cold) IN.
0．08—0．13
———
EX.
0．13—0．18
———
Valve guide to valve stem clearance IN.
0．010—0．037
———
EX.
0．030—0．057
———
Valve stem deflection IN. & EX.
———
0．05
Valve guide I.D. IN. & EX.
5．500—5．512
———
Valve stem O.D. IN.
5．475—5．490
———
EX.
5．455—5．470
———
Valve stem runout IN. & EX.
———
0．35
Valve head thickness IN. & EX.
———
0．5
Valve seat width
0．9—1．1
———
Valve seat angle IN. & EX.
45
Valve head radial runout IN. & EX.
———
0．03
Valve spring
free length
inside
inside
———
35．1
outside
———
39．9
outside
inside
———
36．0
outside
———
39．3
Valve spring
tension
inside
inside
7．1—9．2kg
——
outside
17．3—21．3kg
——
outside
inside
7．8—9．2kg
——
outside
18．9—22．3kg
——