48591 Mercury SCREW, VENT HOSE CLAMP (1/2")

Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Gp 1
C 248-3311 Holding Fixture 1
D 248-3310 Spanner Wrench 1
E 8H-0663 Bearing Puller Gp 1
F 1U-6396 O-Ring Assembly Compound -
G 7N-8268 Installation Tool 1
H 8H-8581 Feeler Gauge 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01040290
Use Tooling (E) and a suitable press to install assembly (17) on pump shaft (12).
Install bearing cone (23) on the pump shaft.
Install spacer (22) and bearing cups (21) on the pump shaft.
Install bearing cone (20) on the pump shaft.
Illustration 2 g01035607
The splined end of the pump shaft is marked in order to indicate either RH threads or LH threads on the pump shaft. Install bearing locknut (16). Use Tooling (D) on the bearing locknut and tighten the bearing locknut to a torque of 300 30 N m (221 22 lb ft). Note: The torque wrench must be 90 degrees to Tooling (D).
Install set screws (15) and tighten to a torque of 4 1 N m (35 9 lb in).
Illustration 3 g01035690Note: Do not damage the wear surfaces of the carbon ring or the ceramic ring. Do not touch the wear surfaces of the carbon ring or the ceramic ring. Install the ceramic ring with the smoothest face of the ring toward the carbon seal.
Apply Tooling (F) to the outside diameter of ceramic seal (18). Use Tooling (G) and hand pressure to install ceramic seal (18) into bearing housing (3).
Illustration 4 g01035699
Use Tooling (A) and a suitable press to install lip seal (19) into bearing housing (3). Ensure that the lip is toward the outside. Note: Install the lip seal dry. Install the lip seal within two minutes of removal from the shipping sleeve.
Illustration 5 g01035809
Lubricate pump shaft (12) with clean engine oil. Install the pump shaft in bearing housing (3). Install retainer (11). Install socket head bolts (10) and tighten to a torque of 12 3 N m (106 27 lb in).
Illustration 6 g01035829
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Note: Do not damage the wear surfaces of the carbon ring or the ceramic ring. Do not touch the wear surfaces of the carbon ring or the ceramic ring. Install the ceramic ring with the smoothest face of the ring toward the carbon seal.
Remove spring (14) from ceramic seal (13).
Apply Tooling (F) to the inside diameter of ceramic seal (13). Use hand pressure and the tool that is supplied with the water pump seal group to install the ceramic seal. The face of ceramic seal (13) should make light contact with ceramic seal (18).
Install spring (14).
Lubricate pump shaft (12) on bearing housing (3) with clean engine oil. Position impeller (9) on the pump shaft.
Illustration 7 g01035846
Place bearing housing (3) on impeller (9). Use a suitable press and press pump shaft (12) into the impeller. Install the impeller so the dimension between the impeller and the pump shaft is 0.000 .076 mm (0.0000 0.0030 inch).
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