- 33 -
4
44
45
46
47
A
30.80 ÷ 31.20
B
24.80 ÷ 25.20
A
8.025 ÷ 8.040
0.025 ÷ 0.055
1.15
B
7.985 ÷ 8.000
D
0.75 ÷ 1.25
1.65
A
40.000 ÷ 40.016
B
40.120 ÷ 40.140
A
34.000 ÷ 34.016
B
34.120 ÷ 34.140
Valve guide insertion
Heat cylinder head up to 160 ÷ 180°C.
Thread guides considering the
A
e
B
distances from the head plane.
Note:
If the guides are supplied with the housing for the lock ring
C
,
insert the ring, then drive the guides until the lock ring is stop-
ped without worrying about
A
and
B
.
INTAKE
VALVE
EXHAUST
VALVE
Disassembly / Reassembly
Valve seat lapping
After cutting, lap valve seats with fine emery paste in oil suspension.
The sealing surface
S
should not exceed 2 mm.
Valve recess after grinding
Valve seats and housings
Dimensions and clearance between guides and valves
Ref.
Dimensions (mm)
Ref.
Dimensions (mm)
Ref. Dimensions (mm) Clearance (mm)
Limit value (mm)
Ref. Dimensions (mm)
Limit value (mm)
KD Workshop Manual_cod. ED0053029350_
1° ed
_ rev.
00
Summary of Contents for KD 626/3
Page 1: ...KD 625 3 626 3 WORKSHOP MANUAL...
Page 21: ...21 3 KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 69: ...69 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 70: ...70 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 99: ...99 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...