John Deere約翰迪爾強鹿柴油機曲軸、主軸承和飛輪維修技術規范

Item Measurement Specification

Damper Maximum Radial Runout 1.50 mm (0.060 in.)

(Concentricity)

Damper Pulley Outer Ring Wobble (Maximum) 1.50 mm (0.060 in.)

Damper Pulley Inner Ring Wobble (Maximum) 0.5 mm (0.020 in.)

Crankshaft Damper Pulley Cap

Screws—Straight Nose Crankshaft

Five Cap Screw Mounted Damper Torque 95 N•m (70 lb-ft)

(4 Outer Cap Screws)

Five Cap Screw Mounted Damper Torque 150 N•m (111 lb-ft)

(Center Cap Screw)

Four Cap Screw Mounted Damper Torque 80 N•m (60 lb-ft)

Damper Mounting Cap Screw Torque 500 N•m (369 lb-ft)

(Tapered Nose Crankshaft)

Seondary Vibration Damper-to-Main Torque 70 N•m (52 lb-ft)

Vibration Damper Cap Screws

Pulley-to-Vibration Damper Cap Torque 70 N•m (52 lb-ft)

Screws

Crankshaft End Play 0.029—0.357 mm (0.001—0.014 in.)

Flywheel Face Flatness Maximum Variation 0.23 mm (0.009 in.)

Maximum Variation per 25 mm 0.013 mm (0.0005 in.)

(1.0 in.) of Travel

Flywheel Bearing Bore Concentricity Maximum Variation 0.127 mm (0.005 in.)

Flywheel Pilot Bearing Bore ID 34.978—35.004 mm

(Option Code 1508) (1.3770—1.3781 in.)

Flywheel Pilot Bearing Bore ID 44.978—45.004 mm

(Option Code 1502 and 1515) (1.7708—1.7719 in.)

Flywheel Mounting Cap Screws Torque 138 N•m (102 lb-ft)

Item Measurement Specification

Crankshaft Main Bearing-to-Journal Oil Clearance 0.041—0.109 mm

(0.0016—0.0043 in.)

Crankshaft Main Bearing ID 79.391—79.433 mm

(3.1256—3.1273 in.)

Crankshaft Main Journal OD 79.324—79.350 mm

(3.1229—3.1240 in.)

Crankshaft Rod Journal OD 77.800—77.826 mm

(3.0629—3.0640 in.)

Crankshaft Main or Rod Journal Maximum Taper 0.010 mm (0.0004 in.)

Crankshaft Main or Rod Journal Maximum Out-of-Round 0.005 mm (0.0002 in.)

Crankshaft Main Thrust Bearing Width 38.952—39.028 mm

Journal (New) (1.5335—1.5365 in.)

Crankshaft Main Thrust Bearing Overall Width 38.79—38.87 mm

(1.527—1.530 in.)

Crankshaft Main Bearing Bore ID 84.455—84.481 mm

(Without Bearings) (3.3250—3.3260 in.)

Crankshaft Main Bearing Bore Distance 337.896—337.972 mm

Centerline-to-Top Deck (13.3029—13.3059 in.)

Piston Cooling Orifice Diameter 1.4 mm (0.055 in.)

Piston Cooling Orifice Torque 11 N•m (8 lb-ft)

(96 lb-in.)

Crankshaft Main Bearing Cap Torque 135 N•m (100 lb-ft)

Screws

Crankshaft Rear Main (Thrust) Torque 135 N•m (100 lb-ft)

Bearing Cap Screws

Flywheel Housing Cap Screws Torque 125 N•m (92 lb-ft)

3210, 3310 and 3410 Tractor

Flywheel Housing Cap Screws Torque 110 N•m (81 lb-ft)

Item Measurement Specification

Flywheel Housing Cap Screws (9 Torque 130 N•m (96 lb-ft)

and 12)

Flywheel Housing Cap Screws (13 Torque 280 N•m (206 lb-ft)

and 14)

Flywheel Housing Cap Screws (10 Torque 530 N•m (391 lb-ft)

and 11)

Flywheel Housing Seal Bore Maximum Permissible Runout 0.152 mm (0.006 in.)

(Concentricity)