PISTON 3697909 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
B     8T-5096     Dial Indicator Test Group     1    
C (1)     256-4864     Alignment Tool        
C (2)     241-4232     Alignment Tool     1    
D     1S-0257     Ball Peen Hammer     1    
E     1P-0808     Multipurpose Grease     1    
( 1 ) 3003 engines
( 2 ) 3013, 3014 and 3024 engines
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If the front housing is not installed, do not turn the crankshaft. Damage to the engine may occur.
Idler Hub
Illustration 1 g01198501
Use Tooling (C) and Tooling (D) to install idler hub (1) in the cylinder block.Engine Oil Pump
Illustration 2 g00825411
Illustration 3 g01037617
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Apply Tooling (E) to the faces of inner rotor (4) and to the vanes of idler gear (3) .
Align Timing Marks (A) and (B) that are on idler gear (3) with the respective timing marks on gears (14) and (15) . Install idler gear (3) on idler hub (1) .
Install inner rotor (4) in idler gear (3) .
Personal injury can result from the release of the spring force.The drive shaft, the piston, and the drive gear are under spring force.Use a press to slowly release the spring force before the components are removed.
Install the following items on idler hub (1) :
Oil pump cover (5)
Shim (6)
Spring (7)
Collar (8)
Install retaining ring (9) on idler hub (1) .
Use Tooling (B) in order to measure the end play of the engine oil pump. Refer to Specifications, "Engine Oil Pump".
If the oil strainer was removed, use the following procedure for installation:
Illustration 4 g01037619
Install O-ring seal (10) on tube assembly (11) .
Install tube assembly (11) in the cylinder block.
Install oil strainer (13) on the cylinder block and tighten bolts (12) to a torque of 11 N m (97 lb in).End By:
Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".