LINING-BRAKE 8Y3781 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - 7/8-9 NC Tap 1
B 1A-5576 Bolt 1
8C-6913 Hard Washer 7
C 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".
Illustration 1 g06114916
Position Tooling (C) at the bottom of the unit injector sleeve (1).
Coat Tooling (A) (not shown) with clean grease. Use Tooling (A) to cut threads into unit injector sleeve (1).
Use Tooling (B) in order to remove unit injector sleeve (1). Discard the unit injector sleeve (1).