Valve Seats
Units: mm
Intake øa
øb
c
d
Tolerance
0 – 0.025
± 0.025
0 – 0.1
± 0.15
Production
40.161 40.361
40 40.2
6.25 6.45
8.267 8.467
Repair 1
40.461
40.3
6.45
8.467
Repair 2
40.661
40.5
6.45
8.467
Units: mm
Exhaust øa
øb
c
d
Tolerance
0 – 0.025
± 0.025
0 – 0.1
± 0.15
Production
34.137 34.337
34 34.2
6.05 6.25
8.15 8.35
Repair 1
34.437
34.3
6.25
8.35
Repair 2
34.637
34.5
6.25
8.35
After fitting valve seats into the cylinder head, machine them according to drawings (Fig. 9).
Figure 9
Swirl Chambers
Units: mm
øe
øf
g
h
Tolerance
+ 0.099 – 0.060
+ 0.039 +0
+ 0.020 – 0.025
+ 0.02 – 0.04
Production
32.05 32.25
32 32.2
4 4.1
3.9 4
Repair 1
32.45
32.4
4.2
4.1
Repair 2
32.65
32.6
4.3
4.2
The protrusion j must be between 0 and 0.03 mm Dimension j is obtained by machining faces (x) and (y)
Figure 10 Reelmaster 335-D/3500-D
Page 3 - 7 Rev. B
Engine