Valve Seats; Swirl Chambers - Toro Reelmaster 335-D Service Manual

Valve Seats

Intake
øa øb
± 0.025
Tolerance 0
– 0.025
Production 40.161 40
40.361 40.2
Repair 1 40.461 40.3
Repair 2 40.661 40.5
Exhaust
øa øb
± 0.025
Tolerance 0
– 0.025
Production 34.137 34
34.337 34.2
Repair 1 34.437 34.3
Repair 2 34.637 34.5
After fitting valve seats into the cylinder head, machine them
according to drawings (Fig. 9).

Swirl Chambers

øe øf
Tolerance + 0.099 + 0.039
– 0.060 + 0
Production 32.05 32
32.25 32.2
Repair 1 32.45 32.4
Repair 2 32.65 32.6
The protrusion j must be between 0 and 0.03 mm
Dimension j is obtained by machining faces (x) and (y)
Reelmaster 335-D/3500-D
Units: mm
c d
± 0.15
0
– 0.1
6.25 8.267
6.45 8.467
6.45 8.467
6.45 8.467
Units: mm
c d
± 0.15
0
– 0.1
6.05 8.15
6.25 8.35
6.25 8.35
6.25 8.35
Units: mm
g h
+ 0.020 + 0.02
– 0.025 – 0.04
4 3.9
4.1 4
4.2 4.1
4.3 4.2
Page 3 - 7 Rev. B
Figure 9
Figure 10
Engine