FILTER AS-DPF 4259223 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Bolt
1/2 - 13 NC by 4 inch 2
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.
Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
Illustration 1 g03740704
Disconnect the connection for the water inlet. Cap the openings.
Remove bolts (1) and (2) and remove elbow (3). Remove the O-ring seals (not shown).
Illustration 2 g03740705
Attach a suitable lifting device to water pump (5). The weight of water pump (5) is approximately 55 kg (120 lb).
Remove two bolts (4). Install Tooling (A) and remove remaining bolts (4). The weight of water pump (5) is approximately 25 kg (55 lb). Using two people, remove water pump (5).
Remove the O-ring seal from the joint between the water pump and the front housing. Discard the O-ring seal. Installation Procedure
Install water pump (5) in the reverse order of removal.
Install a new O-ring seal to the joint between the water pump and the front housing.
Lubricate the O-ring seal prior to installing the water pump.