C175 Tier 4 Final Engines for Caterpillar Built Machines Caterpillar

Flywheel Housing - Remove

Usage:

793F D3T

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty.
A	422-5474	Lifting Eye Assembly	4
B	422-5473	Lifting Eye Assembly	2

Start By:

Remove the turbochargers.
Remove the centrifugal oil filter.
Remove the starting motor.
Remove the flywheel.
Remove the crankshaft rear seal.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat^® products. Dispose of all fluids according to local regulations and mandates.

Note: Inspect all O-rings, seals, and gaskets for wear and damage. Replace if necessary.

Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Use the timing pins to time the engine properly. Refer to Testing and Adjusting, "Camshaft Timing". Refer to Testing and Adjusting, "Finding the Top Center Position for the No. 1 Piston".
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Illustration 1 g06335226
Remove all mounting hardware (1).
Disconnect sensor harness (2).
Remove two bolts (3) and two bolts (4) and place harness bracket (5) out of the way.
Repeat steps 3 and 4 on the opposite side.
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Illustration 2 g06335246
Remove all mounting hardware (8) and tube assembly (9).
Remove two bolts (6) and manifold assembly (7).
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Illustration 3 g06335408
Remove 12 bolts (10) and eight bolts (11).
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Illustration 4 g06340484
Attach Tooling (A), Tooling (B), and a suitable lifting device to turbo support (14). Turbo support (14) weighs approximately 270 kg (600 lb).
Remove ten bolts (12) and two bolts (13) and remove turbo support (14). Place on suitable cribbing to avoid damage to mating surfaces.
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Illustration 5 g06335697
Remove 12 bolts (15) and cover/ timing pin assembly (16).
Remove nine bolts (17) and cover (18).
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Illustration 6 g06336455
Remove nine bolts (19), one bolt (20), and camshaft gear (21).
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Illustration 7 g06336490
Remove two bolts (22).
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Illustration 8 g06336557
Remove four bolts (23).
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Illustration 9 g06337018

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Illustration 10 g06337041
Remove bolt (24) and bolt (25).
Gently pull harness assembly (26) out, disconnect receptacle (27), and position out of the way.
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Illustration 11 g06337053
Remove two bolts (28), bolt (29), and cover (30).
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Illustration 12 g06337152

Some parts made translucent for clarity.
Remove mounting hardware (31) and sensor (32).
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Illustration 13 g06337237
Remove all mounting hardware (33) and position harness assembly (34) out of the way.
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Illustration 14 g06340497
Remove nine bolts (35).
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Illustration 15 g06340524
Attach Tooling (A) and a suitable lifting device to flywheel housing (38). Flywheel housing (38) weighs approximately 550 kg (1215 lb).
Remove 19 bolts (36) and two bolts (37).
Pull flywheel housing (38) away from the engine.