GASKET 1P6857 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 238-9586 Camshaft Drive Group 1
B 8B-7548 Push-Puller Tool Group 1
8B-7559 Adapter 2
8B-7561 Step Plate 1
1P-0820 Hydraulic Puller 1
5H-1504 Hard Washer 3
9U-6600 Hand Hydraulic Pump 1
C 395-1590 Lifting Eye As 2
D - Guide Stud
5/8 - 11 by 6 inch 2
E 169-5464 Quick Cure Primer - Start By:
Remove the electric starting motor.
Remove the engine electronic control.
Remove the engine oil pan.
Remove the engine speed sensor.
Remove the engine speed/timing sensor.
Remove engine oil filter.
Remove flywheel.
Remove water temperature regulator.
Remove crankcase breather.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03736481
Remove rear camshaft covers (1).
Illustration 2 g03736491
Remove timing pin (2) from the storage position.
Illustration 3 g03736500
Remove timing bolt (5) from the storage position. Remove cover (3) and plug (4) from the flywheel housing.
Use Tooling (A) to turn the flywheel in order to install timing bolt (5) in the flywheel and timing pin (2) in both camshafts. Refer to Testing and Adjusting, "Camshaft Timing". Refer to Testing and Adjusting, "Finding the Top Center Position for the No. 1 Piston".
Remove the timing bolt from the flywheel.
Remove the crankshaft rear seal and the wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Rear Seal and Wear Sleeve - Remove".
Illustration 4 g03736555
Remove disconnect switch (6).
Remove covers (7) and the gaskets.
Illustration 5 g03736844
Remove bolt (8) and plate (9). Place the three washers from Tooling (B) behind plate (9) and install bolt (8). Install Tooling (B) on camshaft drive gear (10). Apply 51675 kPa (7500 psi) to the puller. Strike the screw on the puller with a hammer until camshaft drive gear (10) is free from the camshaft. Remove Tooling (B) from the camshaft drive gear. Remove camshaft drive gear (10) from the camshaft. Note: Plate (9) must be installed in order to keep camshaft drive gear (10) on the camshaft during the removal procedure.
Illustration 6 g03736847
Remove bolt (11). Remove ring (12).
Illustration 7 g03736850
Place the three washers from Tooling (B) behind plate (9) and install bolt (11). Install Tooling (B) on camshaft drive gear (13). Use Tooling (B) in order to remove camshaft drive gear (13) from the camshaft. Apply 51675 kPa (7500 psi) to the puller. Strike the screw on the puller with a hammer until camshaft drive gear (13) is free from the camshaft. Remove Tooling (B) from the camshaft drive gear. Remove camshaft drive gear (13) from the camshaft. Note: Plate (9) must be installed in order to keep camshaft drive gear (13) on the camshaft during the removal procedure.
Illustration 8 g03736874
Remove bolts (15) and bolts (17).
Remove tube as (14) and bracket (16).
Illustration 9 g03736893
Install Tooling (C) and a suitable lifting device on flywheel housing (20). The weight of flywheel housing (20) is approximately 235 kg (518 lb).
Remove two bolts (23) and install Tooling (D). Remove the remaining bolts (23), bolts (18), bolts (19), bolts (21), bolts (24), and flywheel housing (20) from the cylinder block (22). Note: Ensure that the rear gear group and the crankshaft are properly