Toro Reelmaster 5100-D - Testing Machine Outputs with Diagnostic ACE

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Engine
Item Standard Specification Repair Limit Service Limit
Governor Mechanical/Centrifugal
+ 50
Operating Speed (no load) 3200 rpm
– 0
rpm
+ 50
Idle Speed (no load) 1700 rpm
– 0
rpm
Compression 28 kg/cm
2
(398 psi) at 280 rpm 25 kg/cm
2
(356 psi) 22 kg/cm
2
(93 psi)
Pressure Difference Between Cylinders 2.5 kg/cm
2
(36 psi) max.
Cylinder Injection Order 1 - 3 - 2
Injection Timing 19
o
B.T.D.C. (at smoke set position) ± 1.5
o
19
o
± 2
o
Cylinder Head
Bottom Surface Flatness (distortion) Within 0.05 mm (0.002 in.) 0.1 mm (0.004 in.)
Valve Guide I.D. 6.6 mm (0.26 in.)
Valve Seat Angle 45
o
Valve Seat Width 1.3 - 1.8 mm (0.051 - 0.071 in.) 2.5 mm (0.1 .in.)
Valve Seat Sinkage –1 mm (– 0.039 in.)
Valve Clearance (cold) 0.25 mm (0.01 in.)
(both intake and exhaust)
Valves
Valve Head Dia. (IN) 26.7 mm (1.051 in.)
Valve Head Dia. (EX) 24.7 mm (0.972 in.)
Overall Length 94 mm (3.701 in.)
V
alve Stem O.D. 6.6 mm (0.260 in.)
Stem to Guide Clearance (IN) 0.10 mm (0.004 in.)
Stem to Guide Clearance (EX) 0.15 mm (0.006 in.)
Valve Seat Face Angle 45
o
Valve Head Thickness (margin width) 1 mm (0.039 in.) 0.5 mm (0.020 in.)
Valve Head Sinkage
(from cyl. head bottom face) 0.5 mm (0.020 in.) 1.5 mm (0.06 in.)
Valve Spring
Free Length 40.5 mm (1.595 in.) 39.3 mm (1.547 in.)
Installed Load/Height (IN) 5.94 kg/35.5 mm (13.1 lb./1.4 in.) –15%
Installed Load/Height (EX) 14.84 kg/28 mm (32.7 lb./1.1 in.) –15%
Sq
uareness 3
o
3
o
Rocker Arm I.D. 12 mm (0.472 in.)
Rocker Arm to Shaft Clearance 0.2 mm (0.008 in.)
Cylinder Block
Cylinder Bore 76 mm (2.9921 in.) +0.2 mm (0.0079 in.) +0.45 mm (0.0177in.)
Tolerance on Oversize Cylinder Bore Each Oversize 0 to 0.03 mm (0.001 in.)
Taper Within 0.01 mm (0.0004 in.)
Gasket Fitting Surface Distortion Within 0.05 mm (0.002 in.) 0.1mm (0.004 in.)
Ca
mshaft Hole Diameter
Front 42 mm (1.654 in.) (ball bearing hole)
No. 2 33 mm (1.299 in.)
No. 3 33 mm (1.299 in.)
Rear 33 mm (1.299 in.)
Reelmaster
®
5100-D Page 3 - 5 Rev. A Specifications