- Marine Engine:
- C-12 (S/N: K1M1-UP; 9HP1-UP)
- C12 (S/N: NFL1-UP; C1Z1-UP)
Introduction
Do not perform any procedure that is outlined in this Special Instruction and do not order any parts until the entire instruction has been read and understood.
This Special Instruction describes the installation procedure for the lip-type seal of the auxiliary water pump. This new lip-type seal helps to ensure that the auxiliary water pump will not leak.
Whenever questions arise about this product or about this Special Instruction, contact your local Caterpillar dealer for the latest available information.
Safety Information
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Personal injury can result from hot coolant, steam and alkali. At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns. Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand. Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns. Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes. |
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Parts List
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Table 1
| Parts Needed |
| Part Number |
Description |
| 359-6660 |
Shaft |
| 364-8543 (1) |
Seal Kit |
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| ( 1 ) | This kit includes the seal installer. |
Disassembly Procedure
- Remove the 359-6661 Auxiliary Sea Water Pump Gp from the engine. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove", for more information
- Disassemble the 359-6661 Auxiliary Sea Water Pump Gp . Refer to Disassembly and Assembly, "Auxiliary Water Pump - Disassemble", for more information.
Assembly Procedure
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Table 2
| Tools Needed |
| Tool |
Part Number |
Part Description |
Qty |
| A |
1P-0510 |
Driver Group |
1 |
| B |
1P-1859 |
Retaining Ring Pliers |
1 |
| C |
1P-1855 |
Retaining Ring Pliers |
1 |
- Use Tool (C) to install the retaining ring (24) onto the shaft assembly (8) .
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| Illustration 1 | g00675099 |
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| Illustration 2 | g00675102 |
Note: Heat bearings (23) and (26) in an oven to a temperature of 118 °C (244 °F) for no more than 30 minutes before you install the bearings onto the shaft assembly.
- Install the spacer (25) onto the shaft assembly (8) .
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| Illustration 3 | g00675182 |
- Use protective gloves to install the bearing (23) onto the shaft assembly (8) .
Note: Allow the bearings to cool before installing the shaft into the housing.
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| Illustration 4 | g02256833 |
- Use a press and Tool (A) to install the seal (22) with washer (30) into the body assembly (18) .
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| Illustration 5 | g02255833 |
(27) Auxiliary water pump shaft
(29) Seal installer
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- Insert seal installer (29), which is provided with the seal kit, onto the splined end of auxiliary water pump shaft (27). Refer to Illustration 5.
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| Illustration 6 | g02256094 |
- Install shaft assembly (8) into body assembly (18) by hand.
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| Illustration 7 | g02256393 |
- Once bearing (26) contacts housing (18), use a press in order to install the shaft into the housing. Refer to Illustration 7.
Note: Ensure that the bearing is seated on the housing.
- Remove seal installer (29) from the shaft. The tool should slide off the shaft easily, if the shaft is properly installed.
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| Illustration 8 | g00675335 |
- Use Tool (B) to install retaining ring (21) into body assembly (18) .
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| Illustration 9 | g00675346 |
- Install the seal (20) onto the shaft assembly (8) .
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| Illustration 10 | g00675372 |
- Use a press and Tool (A) to install seal (19) into the housing (16) .
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| Illustration 11 | g00675401 |
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| Illustration 12 | g00675414 |
Note: Align the marks on the body assembly (18) and the housing (16) before you install the bolts (17) .
- Carefully install the housing (16) on the body assembly (18). Install three bolts (17). Tighten bolts (17) to a torque of 34 ± 3 N·m (25 ± 2 lb ft).
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| Illustration 13 | g00675429 |
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| Illustration 14 | g00675454 |
- Install the seal (15) and spring (14) onto the shaft assembly (8) .
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| Illustration 15 | g00675482 |
- Install the spacer (13) and the washer (12) onto the shaft assembly (8) .
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| Illustration 16 | g00675486 |
- Use Tool (A) to install the retaining ring (11) .
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| Illustration 17 | g00675507 |
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| Illustration 18 | g00675531 |
- Install the wear plate (10) and the seal (9) into the housing (16) .
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| Illustration 19 | g00675549 |
Note: Use 4C-9797 Silicone Grease on the outer surface of the cam liner (6) and the pin (7) .
- Put the cam liner together and install the pin (7) .
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| Illustration 20 | g00675584 |
- Install the cam liner (6) into the housing (16). Make sure that pin (7) is aligned with notch (27) in the bottom of the housing (16) .
Note: Apply a non-petroleum based lubricant to the impeller before installation.
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| Illustration 21 | g00675651 |
- Install the impeller (5) into the housing (16) and over the shaft assembly (8) .
- Install the O-ring seal (3) between the cam liner (6) and the housing (16) .
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| Illustration 22 | g00675597 |
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| Illustration 23 | g00675626 |
- Put the cover (2) into position and install six bolts (1) and the washers. Tighten the six bolts (1) that secure the cover, to a torque of 9 ± 2 N·m (80 ± 18 lb in).
