Toro Workman 3000 Series Service Manual page 156

Engine (cont.)
Item
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Piston
Type
Material
Piston Outside Diameter (skirt end)
L3Ca-62TG
L3Ea-62TG
Piston to Cylinder Wall Clearance
Oversize
Protrusion from cylinder
block top surface
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Piston Pin
Type
Outside Diameter
Pin to Piston Clearance
Pin to Connecting Rod Clearance
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Piston Rings
Number of Rings
2 Compression
1 Oil
Compression Ring Width
Oil Ring Width
Compression Ring Side Clearance (No. 2)
Oil Ring Side Clearance
Ring Gap
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Connecting Rod
Type
Bend and Twist
Big End Thrust Clearance
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Connecting Rod Bearings
Oil Clearance
Undersize
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Crankshaft
Type
Bend
End Play
Journal O.D.
Pin O.D.
Finish Undersize
Journal U.S. 0.25 mm (0.01 in.)
Journal U.S. 0.50 mm (0.02 in.)
Pin U.S. 0.25 mm (0.01 in.)
Pin U.S. 0.50 mm (0.02 in.)
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Main Bearings
Oil Clearance
Undersize
Liquid Cooled Diesel Engine
Standard Specification
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Solid
Aluminum alloy
70 mm (2.756 in.)
76 mm (2.992 in.)
0.25, 0.50 mm
(0.01, 0.02 in.)
0.9 mm (0.035 in.)
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Semi-floating
18 mm (0.709 in.)
Press-fit load: 1000 + 500 kg
(2200 + 1100 lb.)
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No. 1: Chrome plated, semi-keystone type
No. 2: Tapered
Chrome plated ring with coil expander
2 mm (0.079 in.)
3 mm (0.118 in.)
0.05 - 0.09 mm (0.002 - 0.004 in.)
0.03 - 0.07 mm (0.001 - 0.003 in.)
0.15 - 0.40 mm (0.006 - 0.016 in.)
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Forged I-beam
Within 0.05 mm (0.002 in.)
0.1 - 0.35 mm (0.004 - 0.014 in.)
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0.25, 0.50 mm
(0.01, 0.02 in.)
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Fully counterbalanced
Within 0.03 mm (0.001 in.)
0.05 - 0.175 mm (0.002 - 0.007 in.)
43 mm (1.693 in.)
40 mm (1.575 in.)
42.715 - 42.730 mm
(1.6817 - 1.6823 in.)
42.465 - 42.480 mm
(1.6719 - 1.6724 in.)
39.715 - 39.730 mm
(1.5636 - 1.5642 in.)
39.465 - 39.480 mm
(1.5537 - 1.5543 in.)
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0.25, 0.50 mm
(0.01, 0.02 in.)
Page 4 - 6 Rev. B
Repair Limit
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0.15 mm (0.006 in.) max.
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– 0.15 mm (– 0.006 in.) – 0.70 mm (– 0.028 .in)
– 0.15 mm (– 0.006 in.) – 0.70 mm (– 0.028 .in)
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Workman 3300-D/4300-D
Service Limit
0.2 mm (0.008 in.)
0.08 mm (0.003 in.)
0.2 mm (0.008 in.)
0.2 mm (0.008 in.)
1.5 mm (.060 in.)
0.5 mm (0.02 in.)
0.15 mm (0.006 in.)
0.05 mm (0.002 in.)
0.10 mm (0.004 in.)