SEAL ASSEM. 9J3410 - Caterpillar

Installation Procedure for Non-Dual Taper Roller Bearing HEUI Pump
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g03601539
Non-Dual Taper Roller Bearing HEUI pump
Illustration 2 g03601540
Dual Taper Roller Bearing HEUI pumpNote: Refer to Illustrations 1 and 2 in order to identify each unit injection hydraulic pump.
Illustration 3 g03614696
Install new O-ring seal (9) .
Illustration 4 g03614660
Position unit injector hydraulic pump (1) in the front housing.
Support unit injector hydraulic pump (1) and install bolts (8) .
Illustration 5 g03614617
Connect hose assembly (7) .
Connect tube assemblies (3) , (4) , (5) , and (6) .
Connect harness assembly (2) to unit injector hydraulic pump (1) .Installation Procedure for Dual Tapered Roller Bearing HEUI Pump
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     129-1967     Multipurpose Grease     -    Note: If replacing a non-dual tapered roller bearing HEUI pump with a dual tapered roller bearing HEUI pump, refer to Special Instruction, REHS7902 for rework and installation procedures.
Illustration 6 g03601539
Non-Dual Taper Roller Bearing HEUI pump
Illustration 7 g03601540
Dual Taper Roller Bearing HEUI pumpNote: Refer to Illustrations 6 and 7 in order to identify each unit injection hydraulic pump.Note: If a dowel pin is installed in the mounting flange of the unit injector hydraulic pump or in the front housing at the unit injector hydraulic pump mounting location, remove the dowel pin before installing the unit injector hydraulic pump.
Illustration 8 g03615091
Install O-ring seal (8) . Apply Tooling (A) to O-ring seal (8) , the mounting flange of the unit injector hydraulic pump, and the back of the front housing at the mounting location of the unit injector hydraulic pump.
Illustration 9 g03615798
Position unit injector hydraulic pump (7) as shown, then rotate clockwise to final installation orientation.
Illustration 10 g03615089
Install bolts (6) hand-tight.Note: Do not fully tighten bolts (6) until all of the hoses and the tubes are connected to unit injection hydraulic pump (7) .
Illustration 11 g03615086
Install tube assembly (5) hand-tight.
Connect hose assemblies (4) . Install tube assembly (3) and tube assembly (2) hand-tight.
Tighten bolts (6) to a torque of 55 10 N m (41 7 lb ft).
Tighten tube assemblies (2) , (3) , (5) and hose assemblies (4) .
Connect harness assembly (1) .End By: Install fuel filter base, if necessary.