HARNESS AS 8R4671 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-0327 Crowfoot Wrench 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00727636
Position drive gear (12) on the unit injector hydraulic pump. Install washer (11) and bolt (10) on the unit injector hydraulic pump. Tighten bolt (10) to a torque of 110 14 N m (81 10 lb ft).
Lubricate O-ring seal (9) with clean engine oil. Install the O-ring seal on the unit injector hydraulic pump.
Illustration 2 g00727632
Position unit injector hydraulic pump (6) on the timing gear housing. Install three bolts (8) and tighten three bolts (8) to a torque of 28 7 N m (20 5 lb ft).
Install cable strap (7).
Illustration 3 g00727629
Install return line assembly (4) on the engine block and on fitting (3).
Reconnect harness assembly (2).
Use Tooling (A) to install line assembly (1).
If the hose is not correctly connected the hose will come loose when the engine is started and the engine oil will come out of the hose. Engine damage can result.
Leakage of the high pressure engine oil lines can result in failure of the engine fuel system.
Install hose assembly (5) and lock the hose assembly in position. Apply pressure in order to snap the hose assembly into the quick coupling for each of the ends. Note: Be sure to check the connection by pulling back on the hose.