Perkins 2800 - Rocker Assemblies, Valves, and Valve Components

2
8 Workshop Manual, TSD3450E, Issue 1
2800
Rocker assemblies
Rocker shaft diameter (A2) ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...40,000 +/- 0,010 mm (1.5748 +/- 0.0004 in)
Valve rocker lever bore (A1) .. ... ... ... ... ... ... ... ... ... ... ... ... ... ...40,065 +/- 0,015 mm (1.5774 +/- 0.0006 in)
Bearing clearance between valve rocker lever and shaft .. ... ... ... ... 0,040 to 0,090 mm (0.0016 to 0.0035 in)
Unit injector rocker lever bore (A3) ... ... ... ... ... ... ... ... ... ... ... ...43,000 +/- 0,020 mm (1.6929 +/- 0.0008 in)
If a new bearing is fitted to the unit injector rocker lever, the oil hole in the bearing must be aligned with the oil
passage in the rocker lever within 2,4 mm (0.09 in). The bearing must not extend beyond either face of the
rocker lever.
Bore in the rocker lever bearing (A4). ... ... ... ... ... ... ... ... ... ... ... . 40,065 +/- 0,15 mm (1.5774 +/- 0.0006 in)
Maximum permissible worn dimension.. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...40,193 (1.5824 in)