G3304 and G3306 Engines Caterpillar

Auxiliary Water Pump - Assemble

Usage:

Assembly Procedure

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Table 1
Required Tools
Tooling	Part Number	Description	Qty
A	1P-0510	Driver Gp	1
B	1P-1855	Retaining Ring Pliers	1
C	1P-1857	Retaining Ring Pliers	1
D	7M-7456	Bearing Mount Compound	1
E	5P-3413	Pipe Sealant	1

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.

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Illustration 1	g00995360

Apply a thin coat of Tooling (D) to the outside diameter of lip seal (1). Use Tooling (A) in order to install lip seal (1) in body (2). Install lip seal (1) even with the bottom of the bearing bore with the lip of the seal toward the bearings. Apply a small layer of engine oil on the lip of the seal.
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Illustration 2 g00995361
Place slinger (3) in position above lip seal (1).
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Illustration 3 g00995362

Note: Only use clean water as a lubricant for assembly. Do not damage the silicone carbide ring or the silicone carbide seal assembly. Do not place your hands on the wear surfaces of the silicone carbide ring or the silicone carbide seal assembly.
Place carbide ring (4) in position in the rubber seal. Install the silicone carbide ring with the smoothest face of the ring toward the silicone carbide ring. Use a clean cover for protection while you install the silicone carbide ring. Install the silicone carbide ring evenly with hand pressure.
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Illustration 4 g00995363
Use Tooling (B) in order to install snap ring (5) on shaft (6).
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Illustration 5 g00995364
Raise bearings (7) and (9) to a maximum temperature of 135 °C (275 °F).
Install bearing (9) on shaft (6) against snap ring (5).
Install spacer (8) and bearing (7). Ensure that bearing (7) is in full contact with the spacer.
Note: Ensure that slinger (3) is in the correct position on shaft (6) when you install shaft (6) in body (2).
Note: Apply a piece of tape to both ends of the shaft in order to protect the seals from damage during the assembly procedure.
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Illustration 6 g00995366
Install shaft (6) and the bearings in body (2) through slinger (3).
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Illustration 7 g00995372
Use Tooling (C) in order to install snap ring (10) that holds the shaft assembly in place.
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Illustration 8 g00995374
Install key (12) in the shaft.
Place spacer (11) in position over shaft (6).
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Illustration 9 g00995375
Install gear (13), the washer, and the locknut. Tighten the locknut to a torque of 60 ± 7 N·m (45 ± 5 lb ft).
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Illustration 10 g00995378

Note: Only use clean water as a lubricant for assembly. Do not damage the carbon ring or the ceramic ring. Do not place your hands on the wear surface of the carbon ring or the ceramic ring.
Install silicone carbide seal assembly (15) over shaft (6). Push silicone carbide seal assembly (15) on the shaft until the seal faces make light contact.
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Illustration 11 g00995379
Install spring retainer (17) on silicone carbide seal assembly (15).
Place spring (16) in position on silicone carbide seal assembly (15).
Place the original thickness of shims (14) on spring retainer (17).
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Illustration 12 g00995380
Firmly install impeller (18) on shaft (6).
Note: Ensure that spring retainer (17) and the shims stay in position on shaft (6).
Install the locknut for the impeller. Tighten the locknut to a torque of 30 ± 3 N·m (22 ± 2 lb ft).
Note: The locknut has left hand thread.
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Illustration 13 g00995381
Check Clearance (X) between body (2) and impeller (18). The clearance must be 0.254 ± 0.127 mm (0.0100 ± 0.0050 inch). Add or remove shims (14) behind impeller (18), if necessary.
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Illustration 14 g00995382

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Illustration 15 g00995469
Place gaskets (20) in position on the body. Align the identification marks. Install housing (19).
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Illustration 16 g00995383
Measure Clearance (Y) between impeller (18) and the inside of housing (19). The clearance between the impeller and the housing must be 0.572 ± 0.191 mm (0.0225 ± 0.0075 inch). If necessary, add or remove gaskets (20) between the body and the housing.
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Illustration 17 g00995384
Apply Tooling (D) to the threads of the pipe nipples on elbow (21). Install elbow (21) in housing (19).