Usage:
(1) Bore in bearing of gear (after assembly) ... 63.602 ± 0.038 mm (2.5040 ± .0015 in)
Diameter of bearing surface of the shaft ... 63.500 ± 0.013 mm (2.5000 ± .0005 in)
(2) Install bearing from face of gear to a depth of ... 1.5 ± 0.5 mm (.06 ± .02 in)
(3) Length of gear ... 50.75 ± 0.05 mm (1.996 ± .002 in)
Length of bearing surface of the shaft ... 51.00 ± 0.05 mm (2.008 ± .002 in)
(4) Front (spacer) plate between cylinder block and front housing.
(5) Rear face of front housing.
(6) Tighten adapter studs to a torque of ... 35 ± 5 N·m (26 ± 4 lb ft)
1N3970
(1) Tighten stud to a torque of ... 55 ± 10 N·m (40 ± 7 lb ft)
Typical Example
(1) When 4N3852 Cover from 1N3970 Accessory Drive Group is installed, tighten the bolts to a torque of ... 30 ± 3 N·m (22 ± 2 lb ft)
4W3123
(1) Accessory Drive.
(2) Tighten air compressor crankshaft nut to a torque of ... 150 ± 20 N·m (110 ± 15 lb ft)
Hit end of air compressor crankshaft with hammer and again tighten nut to a torque of ... 150 ± 20 N·m (110 ± 15 lb ft)