GEAR-SUN 2802137 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 171-4660 Bracket 2
4C-9832 Engine Rollover Stand 1
B 138-7573 Link Bracket 2
C 1H-3110 Bearing Puller 1
8B-7560 Step Plate 1
9U-6600 Hydraulic Pump 1
1H-3108 Push-Puller Leg 2
1H-3107 Bearing Puller 1
3H-0468 Puller Plate 5
3H-0465 Push-Puller Plate 2
1P-0820 Hydraulic Puller 1
5B-0637 Nut 1
8S-6586 Screw 1
D 5P-0944 Dowel Puller Group 1
5P-0939 Dowel Extractor 1 Start By:
Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".
Remove the rear gear group. Refer to Disassembly and Assembly, "Gear Group (Rear) - Remove".
Remove the crankshaft main bearings. Refer to Disassembly and Assembly, "Crankshaft Main Bearings - Remove".
Remove the connecting rod bearings. Refer to Disassembly and Assembly, "Connecting Rod Bearings - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00720077
Typical example
The engine should be in position on Tool (A).
Push the piston assemblies toward the cylinder heads.
Illustration 2 g00584893
Typical example
Be sure that the "V" timing marks are aligned on idler gear (2) and crankshaft gear (1).
Illustration 3 g00720087
Typical example
Install Tools (B) on each end of the crankshaft with a front pulley bolt.
Fasten a hoist to crankshaft (3). Remove the crankshaft from the cylinder block. The 3408E crankshaft weighs 150 kg (325 lb).The 3412E crankshaft weighs 215 kg (474 lb).
Illustration 4 g00584906
Typical example
Use Tool (C) to remove crankshaft gear (4). Use Tool (D) to remove the dowel that is under gear (4) if a replacement is necessary.
Illustration 5 g00584908
Typical example
Remove pin (5) from the crankshaft with Tool (D) if the pin is worn or damaged.