FILTER ELEMENT-CAB AIR 4I1278 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
B 1P-0520 Driver Group 1 Start By:
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
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 g00614231
Remove O-ring seals (1) from the rear cover of the water pump. Remove bolts (2) and the washers. Remove the rear cover and the gasket.
Illustration 2 g00614234
Position the water pump in a press. Use spacer plates to level the water pump.
Push the shaft and pulley (3) out of impeller (4) with a suitable drive plate from Tooling (A) and a press. Remove the impeller. Note: For information on the reusability of pulley (3), refer to Guideline For Reusable Parts And Salvage Operations, SEBF8046, "Cast Iron and Steel Pulleys".Note: The new 7E-0321 Pump Impeller, 153-9123 Impeller and a 109-5324 Impeller can be removed with a bolt. Insert a bolt 0.75 inch into the thread insert of the impeller. Turn the bolt inward toward the shaft. Twist and pull the impeller out of the pump.
Illustration 3 g00614238Note: Do not allow the shaft and the pulley to fall to the floor when the shaft and the pulley are removed.
Continue to push the shaft and pulley (3) out of seal (5) and the water pump housing.
Illustration 4 g00614253
Remove seal (5) from the water pump housing with the handle from Tooling (B) and a press.
Illustration 5 g00614261
Remove the shaft and the bearing from pulley (3) with a press.