LIFTER AS-VALVE 4223883 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0074 Slide Hammer Puller 1
8B-7557 Threaded Adapter 1
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Stud
(5/8 - 11 x 8 inch) 2 Start By:
Remove the oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter Base - Remove".
Remove the crankshaft front seal and the wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Front Seal and Wear Sleeve - Remove".
Remove the accessory drive. Refer to Disassembly and Assembly, "Accessory Drive (Front) - Remove".
Remove the engine oil pump and water pump drive. Refer to Disassembly and Assembly, "Accessory Drive (Front) - Remove".
Remove the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01132169
Remove bolts and cover (1). Remove the gasket from front housing (2).
Remove bolts and cover (3). Remove the O-ring seal from the cover.
Illustration 2 g01131889
Remove bolts (7). Use Tooling (A) to remove shaft (4) from front housing (2). Remove O-ring seal (8) from the shaft.
Remove idler gear (5) and thrust washer (9) from the front housing.
Use Tooling (C) and a suitable press to remove sleeve bearing (6) from idler gear (5).
Illustration 3 g01131907
Install Tooling (B) and attach a suitable lifting device to front housing (2). The weight of front housing (2) is approximately 181 kg (400 lb). Remove two bolts and install Tooling (D). Remove remaining bolts (10) that hold the front housing to the cylinder block. Remove the front housing.
Remove gasket (11) from the front housing and the cylinder block.