SWITCH AS 4753800 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-3042 Plug Tap 1
B 221-0052 Guide Sleeve 1
C 9U-6858 Bridge Plate 1
1B-2886 Bolts 2
221-9778 Puller Stud 1
4K-0367 Full Nut 1
5P-8247 Hard Washer 1
9U-6877 Thrust Bearing 1
D 221-9803 Rubber Stopper 1 Start By:
Remove the unit injectors. Refer to Disassembly and Assembly, "Unit Injector - Remove".
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 from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Refill Capacities and Recommendations".
Position Tooling (D) at the bottom of the unit injector sleeve.
Coat Tooling (A) with clean grease. Use Tooling (A) and Tooling (B) to cut threads into the unit injector sleeve.
Illustration 1 g01137445
Install Tooling (C) in unit injector sleeve (1).
Remove unit injector sleeve (1). Remove the O-ring seals.