AIR COMPRESSOR GP 8N2051 - Caterpillar

Illustration 1 g02529456
Table 1
Specification for the 281-6160 Valve Mechanism Gp and 286-5723 Valve Mechanism Gp
Item Qty Part Specification Description
B 1 230-2620 Bushing Bore in the bushing for the rocker arm shaft after installation is 45.077 0.015 mm (1.7747 0.0006 inch).
1 1 9S-1354 Nut Torque to 120 15 N m (89 11 lb ft).
C 1 234-2273 Rocker Arm Shaft Diameter of the rocker arm shaft is 45.000 0.013 mm (1.7716 0.0005 inch)
2 1 6J-2245 O-Ring Seal Lubricate the bore of the O-ring seal lightly with clean engine oil.
3 1 7E-6508 Cap As Torque the retainer nuts of the cap assembly to 2.500 0.025 N m (22.127 0.221 lb in).
Start tightening the retainer nuts of the cap assembly by hand so that the terminal studs are not cross threaded.
4 1 100-3878 Injector Spring Length under test force is 85.00 mm (3.346 inch).
Test force is 300 25 N (67 6 lb).
Free length after test is 87.65 mm (3.451 inch).
D 1 282-7944 Injector Lifter As Diameter of the unit injector lifter assembly is 34.950 0.010 mm (1.3760 0.0004 inch).
Bore in the head for the unit injector lifter assembly is 35.000 0.025 mm (1.3779 0.0010 inch).