PUMP GP-FUEL INJECTION 7N1251 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2 Start By:
Remove the valve mechanism cover base. Refer to Disassembly and Assembly, "Valve Mechanism Cover Base - Remove and Install".
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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Drain the coolant from the cooling system into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01120972
Remove tube (1). Remove the O-ring seal and the integral seal from the tube. Remove bolts (3) from exhaust tube assembly. Remove bolts (4) from inlet tube assembly.
Remove bolts (7). Remove bolts (6).
Install Tooling (A) and a suitable lifting device on cylinder head (8). The weight of cylinder head (8) is approximately 47 kg (104 lb).
Remove cylinder head (8). Remove cylinder head gasket (9).
Remove gasket (5) from the inlet tube assembly. Remove gasket (2) from the exhaust tube assembly.
Illustration 2 g01121095
Remove seals (10). Remove seals (11). Remove O-ring seal (13).
Remove spacer plate (12). Remove gasket (14). Remove O-ring seal (15) from the dowel.