Toro Groundsmaster 328-D, Service Manual

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Engine (cont.)
Item Standard Specification Repair Limit Service Limit
Main Bearings
Oil Clearance 0.10 mm (0.004 in.)
Undersize 0.25, 0.50, 0.75 mm
(0.01, 0.02, 0.03 in.)
Camshaft
Drive System Gear
Journal to Cylinder Block Hole Clearance 0.15 mm (0.006 in.)
Cam Lobe Height 35.76 mm (1.401 in.) – 1.0 mm (– 0.039 in.)
(both intake and exhaust)
Pump Camshaft
Drive System Gear
Bearing
Front Ball bearing
Rear Cylinder block hole
Cam Lobe Height 44 mm (1.732 in.) – 1.0 mm (– 0.039 in.)
Tappets
Outside Diameter
23 mm (0.906 in.)
Tappet to Cylinder Block Hole Clearance – 0.15 mm (– 0.006 in.)
Push Rod Bend 0.3 mm (0.012 in.) max.
Lubrication System
Item Standard Specification Repair Limit Service Limit
Oil Capacity 3.5 liter (3.7 qt.)
including oil filter
API Service Class CD
Viscosity
Above 68
o
F (20
o
C) SAE 30 or 10W-30
41
o
F to 68
o
F (5
o
to 20
o
C) SAE 20 or 10W-30
Below 41
o
F (5
o
C) SAE 10W-30
Oil Pump
Type Gear type
Check Valve Opening Pressure 4 kg/cm
2
(56.9 psi)
at 1000 rpm
Outer Rotor to Housing Clearance 0.15 - 0.20 mm (0.006 - 0.008 in.) 0.3 mm (0.012 in.)
Outer Roto to Inner Rotor Clearance 0.05 - 0.12 mm (0.002 - 0.005 in.) 0.25 mm (0.01 in.)
Rotor to Cover Clearance 0.03 - 0.07 mm (0.001 - 0.003 in.) 0.2 mm (0.008 in.)
Oil Pressure Switch
Indicator Lamp Lighting Pressure
0.5 kg/cm
2
(7.1 psi)
Groundsmaster
®
300 Series Page 4 - 7 Specifications