Engine - Toro Workman 3000 Series Service Manual

Engine

Item
Compression kPa (psi)
Compression pressure
difference between cylinders kPa (psi)
Cylinder Head
Overall height mm (in.)
Flatness of gasket surface mm (in.)
Oversize rework
of valve seat hole mm (in.)
Intake
0.3 (.012) oversize
0.6 (.024) oversize
Exhaust
0.3 (.012) oversize
0.6 (.024) oversize
Oversize rework of valve guide hole
(both intake and exhaust) mm (in.)
0.05 (.002) oversize
0.25 (.010) oversize
0.50 (.020) oversize
Camshaft
Cam height mm (in.)
Intake
No. 1
No. 2
No. 3
Exhaust
No. 1
No. 2
No. 3
Journal O.D. mm (in.)
Bearing oil clearance mm (in.)
End play mm (in.)
Rocker Arm
Clearance (rocker arm to shaft) mm (in.)
Rocker Shaft
O.D. mm (in.)
Length mm (in.)
* NOTE: Limit must be combined with amount of grinding of cylinder block gasket surface.
NOTE: O.D. = Outside Diameter
Liquid Cooled Gas Engine
Standard Specification
108.9 – 109.1 (4.287 – 4.295)
Less than 0.05 (.0019)
31.300 – 31.325
(1.2323 – 1.2333)
31.600 – 31.625
(1.2441 – 1.2451)
29.300 – 29.321
(1.1535 – 1.1544)
29.600 – 29.621
(1.1653 – 1.1662)
12.050 – 12.068
(.4744 – .4751)
12.250 – 12.268
(.4823 – .4830)
12.500 – 12.518
(.4921 – .4928)
35.09 (1.3815)
35.07 (1.3807)
35.06 (1.3303)
35.15 (1.3839)
35.13 (1.3831)
35.19 (1.3854)
40.940 – 40.955
(1.6118 – 1.6124)
0.045 – 0.085
(.0018 – .0033)
0.06 – 0.14
(.0024 – .0055)
0.012 – 0.043
(.0005 – .0017)
16.985 – 16.998
(.6687 – .6692)
232.0 (9.134)
Page 3 – 4
Limit
Minimum 960 (137)
Maximum 100 (14)
0.2 ( .008) see NOTE *
0.2 (.008)
34.59 (1.3618)
34.57 (1.3610)
34.56 (1.3606)
34.65 (1.3642)
34.63 (1.3634)
34.69 (1.3657)
0.1 (.004)
Workman 3000/4000 Series