Sea Water Pump
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| Illustration 1 | g01181874 |
(1) Bolt
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Lubricate the threads of the bolt with 5P-3931 Anti-Seize Compound . Anti-Seize compound is not allowed on the bolt head, the face of the spacer, or the face of the impeller.
- Torque ... 370 N·m (270 lb ft)
(2) Spacer
(3) Diameter of the shaft at the seat area of the seal assembly ... 44.450 ± 0.020 mm (1.7500 ± .0008 inch)
(4) Seal assembly
- Stationary seal
- Lubricate the O-ring and the face seal with clean water.
- Use the 8T-3034 Water Pump Seal Driver and hand pressure in order to install the O-ring and the face seal as a unit in the pump housing bore. Ensure that the identification mark is oriented away from the seal group that is mounted on the shaft.
- Rotating seal
- Remove the spring from the seat.
- Put clean water on the seal as the only lubrication for assembly. DO NOT get any grease or oil on the seal faces.
- Do not stretch the rubber of the seal at installation. If the seal is stretched, the service life is shortened.
- Use the 8T-3034 Water Pump Seal Driver and hand pressure in order to push the seal on the shaft until the seal face makes light contact.
Note: The seal must rotate with the water pump shaft. Do not use any lubricant (except clean water) that will reduce the friction between the seal and the shaft.
- Install the spring for the seal assembly.
(5) Diameter of the impeller shaft at the location of the lip type seal ... 49.200 ± 0.020 mm (1.9370 ± .0008 inch)
(6) Seal
Lubricate the bore of the housing for seal (6) with a light amount of glycerin or an equivalent.
(7) Plug
- Torque ... 8 ± 1 N·m (70 ± 9 lb in)
(8) Diameter of impeller shaft ... 64.850 ± 0.020 mm (2.5531 ± .0008 inch)
(9) Diameter of the impeller shaft at the support end. ... 88.878 ± 0.013 mm (3.4991 ± .0005 inch)
(10) Thickness of thrust washer ... 11.85 ± 0.05 mm (.467 ± .002 inch)
Width of groove in the impeller shaft for the thrust washer ... 12.00 ± 0.05 mm (.472 ± .002 inch)
End play for impeller shaft ... 0.05 to 0.25 mm (.002 to .010 inch)
(11) Seal
Put a light coat of glycerin on the O-ring seal at assembly. Put a light coat of glycerin in the housing bore at assembly.
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| Illustration 2 | g01181918 |
(12) Bore in shaft support bearings ... 89.22 ± 0.06 mm (3.512 ± 0.002 inch)
(13) Bore in impeller shaft bearings ... 65.15 ± 0.060 mm (2.565 ± .0020 inch)
(14) Dimension of bearings from surface of pump housing
- Dimension A ... 20 ± 1 mm (0.7874 ± 0.0394 inch)
- Dimension B ... 92.5 ± 1 mm (3.6417 ± 0.0394 inch)
- Dimension C ... 112.5 ± 1 mm (4.4291 ± 0.0394 inch)
- Dimension B ... 92.5 ± 1 mm (3.6417 ± 0.0394 inch)
(15) The shaft support bearing should be flush with the surface of the pump housing during installation.
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| Illustration 3 | g01181926 |
Positioning impeller shaft bearings View A-A | |
(16) Install the impeller shaft bearings with the bearing joint at a 5 degree angle from the horizontal centerline of the pump housing.
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| Illustration 4 | g01181930 |
Positioning shaft support bearings View B-B | |
(17) Install the shaft support bearings with the bearing joint at a 15 degree angle from the vertical centerline of the pump housing.
Coupling Assembly
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| Illustration 5 | g01182055 |
Coupling assembly | |
(1) Coupler shaft
- Align 6 holes in coupler spring pack (4) with the 6 holes in coupler shaft (1) . Install the coupler spring pack and the coupler shaft to the pump shaft by using 6 bolts (5) . Tighten the bolts to 130 ± 20 N·m (96 ± 15 lb ft).
- Install drive gear assembly (6) to coupler spring pack (4) with 8 bolts (2) and 8 hard washers (3) . Tighten the bolts to 30 ± 3 N·m (22 ± 2 lb ft).
- Install coupler bearing cap (7) . Install bolt (8) to coupler shaft (1) . Tighten the bolt to 30 ± 3 N·m (22 ± 2 lb ft).
Adapter
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| Illustration 6 | g01182067 |
(1) Pump assembly
Do not run the pump dry.
(2) Adapter
(3) Dowel
Use the dowels between the adapter and the pump assembly in order to aid in alignment.
(4) Coupling assembly