C18 Generator set and C18 Marine Engines Caterpillar

Auxiliary Water Pump - Disassemble - Type 2

Usage:

C18 C1J

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	132-5451	Holding Fixture	1
B	1U-6400	Three Jaw Puller	1
C	1P-0510	Driver Gp	1
D	6V-5019	Jam Nut	2

Start By:

Remove the auxiliary water pump.

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Illustration 1	g03120518

Remove plug (1), O-ring seal (2), ball valve (3), from discharge manifold (5).
Remove O-ring seals (4) from the supply and the discharge ports.
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Illustration 2 g03120536
Remove bolts (6) and washers (7) from discharge manifold (5).
Remove discharge manifold (5) and O-ring seals (8).
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Illustration 3 g03120665
Remove nut (9) and washer (10) while holding drive gear (11) with Tooling (A).
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Illustration 4 g03120679
Use Tooling (B) in order to remove drive gear (11).
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Illustration 5 g03121120

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Illustration 6 g03121122
Remove bolts (12) and washers (13) from drive-end body (14).
Use Tooling (B) in order to remove drive-end body (14) from intermediate body (15).
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Illustration 7 g03407828
Remove bearing (16) and lip seal (17) from drive-end body (14).
Remove cup plug (18).
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Illustration 8 g03407876
Use Tooling (C) and a suitable press in order to stationary portion of seal group (19) from drive-end body (14).
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Illustration 9 g03519076
Remove O-ring seal (21).
Use a strap wrench to turn impeller (20) CCW while holding shaft assembly (22) with Tooling (D) and a soft faced vise.
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Illustration 10 g03122936
Remove plug (23), bolts (25), and washers (24) from intermediate body (15).
Remove intermediate body (15).
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Illustration 11 g03122996
Remove port plate (26) from intermediate body (15).
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Illustration 12 g03123257
Remove O-ring seal (27) and distance ring (28).
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Illustration 13 g03123306
Remove cover (29) from bearing housing (30).
Note: Cover (29) will be damaged upon removal.
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Illustration 14 g03123315
Remove bolts (31), washers (32), retaining ring (33), and retaining ring (34).
Remove shims (35).
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Illustration 15 g03123340
Use Tooling (B) in order to remove bearing housing (30)
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Illustration 16 g03123597
Remove bearing (36) and lip seal (37) from bearing housing (30).
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Illustration 17 g03407984
Use Tooling (B) in order to remove shaft assembly (38) from non-drive end housing (39).
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Illustration 18 g03408193
Use Tooling (B) in order to remove port plate (40) and rotating portion of seal group (41) from shaft assembly (38).
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Illustration 19 g03408201
Use Tooling (C) and a suitable press in order to remove rotating portion of seal group (41A) from non-drive end housing (39).
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Illustration 20 g03123678
Use a suitable press in order to remove impeller (42) from shaft assembly (38).