Crankshaft Main Bearings - Remove
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Required Tools | |||
Tool | Part Number | Part Description | Qty |
A(1) | 253-3272 | Cylinder | 2 |
B(2) | 178-9312 | Hose As | 2 |
C(3) | 253-3276 | Distribution Coupler | 1 |
185-0683 | Gage As | 1 | |
D(4)(5) | 227-6724 | Electric Hydraulic Pump Gp (120 V) | 1 |
227-8834 | Electric Hydraulic Pump Gp (240 V) | 1 | |
191-5347 | Hydraulic Pump Gp | 1 | |
156-7167 | Manual Hydraulic Pump | 1 | |
E | 279-3473 | Engine Turning Tool | 1 |
329-3831(6) | Air Power Turning Tool | 1 | |
F | 369-4007 | Bearing Driver | 1 |
G | - | Guide Stud M20 - 2.5 by 250 MM | 2 |
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(1) | Part of Tool Group 278-1150 |
(2) | Part of Tool Group 278-1150 |
(3) | Part of Tool Group 278-1150 |
(4) | Use any of the pumps that are listed in Tooling (D) for this procedure. |
(5) | The latest pumps and hoses require |
(6) | Optional |
Start By:
- Remove the starting motors.
- Remove the fuel pump.
- Remove the engine oil pump
- Remove the engine oil cooler.
- Remove the engine oil scavenge pump.
- Remove bolts (1) and remove side cover (2). Repeat for the remaining side covers on both sides of the engine.
- Remove bolt (5) from each side of the engine and install Tooling (G).
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Illustration 3 g01212105 - Install Tooling (A) onto the studs for the crankshaft main bearing cap. Tighten the threaded collar of Tooling (A). Loosen the threaded collar of Tooling (A) by 1 1/2 turns. Attach Tooling (B) onto Tooling (A). Attach Tooling (B) onto Tooling (C). Attach Tooling (C) onto Tooling (D). Apply approximately
135 MPa (19580 psi) of pressure to Tooling (A). Use the drive on Tooling (A) in order to loosen the nuts for the crankshaft main bearings. Rotate the drive on Tooling (A) by approximately three turns. Release the pressure on Tooling (A). Remove Tooling (A).Show/hide tableIllustration 4 g01212274 - Remove crankshaft main bearing nuts (3). Remove plate (4).
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Illustration 5 g01212288 - Slide down crankshaft main bearing cap (6) on the studs. Remove crankshaft main bearing (7) from crankshaft main bearing cap (6).
- Install Tooling (F) in order to remove the upper crankshaft main bearing. If necessary, use Tooling (E) in order to rotate the crankshaft and remove the upper crankshaft main bearing.
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Illustration 1 | g01212026 |
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Illustration 2 | g01212278 |
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