90949 Mercruiser EXHAUST TUBE

Illustration 1 g06475558
Illustration 2 g06475563
Section B-B
Table 1
Item Qty Part Specification Description
1 8 218-8655 Bolt Use the following procedure to tighten the bolt using torque-turn method:
1. Tighten to SAS (Start Angle Snug) 8 1 N m (71 9 lb in).
2. Rotate the fasteners to 24 2 degrees.
3. Final minimum torque to 8 N m (71 lb in).
Use the following procedure to tighten the bolt using torque method:
Torque to 10.2 2.0 N m (90.3 17.7 lb in).
2 4 228-5897 Bolt Use the following procedure to tighten the bolt using torque-turn method:
1. Tighten to SAS (Start Angle Snug) 17 2 N m (150 18 lb in).
2. Rotate the fasteners to 81 2 degrees.
3. Final minimum torque to 25 N m (221 lb in).
Use the following procedure to tighten the bolt using torque method:
Torque to 33 5 N m (292 44 lb in).
3 3 313-4620 Screw Use the following procedure to tighten the screw using torque-turn method:
1. Tighten to SAS (Start Angle Snug) 6 N m (53 lb in).
2. Rotate the fasteners to 30 1 degrees.
3. Final minimum torque to 9 N m (80 lb in).
Use the following procedure to tighten the screw using torque method:
Torque to 10 1 N m (89 9 lb in).
4 1 153-7036 Spool Install the cartridge until fully seated against the shoulder of block.
Install retainer until fully seated against cartridge to eliminate endplay.
5 3 179-1218 Bolt Use the following procedure to tighten the bolt using torque method:
Torque to 4.10 0.25 N m (36.29 2.21 lb in).
6 1 8C-6711 Retainer Nut Use the following procedure to tighten the nut using torque method:
Torque to 5.5 0.5 N m (48.7 4.4 lb in).
7 1 5C-2890 Nut Use the following procedure to tighten the nut using torque method:
Torque to 8 1 N m (71 9 lb in).
8 1 1N-8062 Needle Bearing As Install the bearing so that end with the bearing ident number is oriented as shown in Illustration 2.
Press the bearing into bore of barrel to the depth (D3) of 28.9 0.2 mm (1.4 0.01 inch) as shown in Illustration 2.
9 1 212-6315 Barrel Install the bearing so that end with the bearing ident number is oriented as shown in Illustration 2.
Press the retainer into bore of barrel to the depth (D4) of 4 0.2 mm (0.2 0.01 inch) as shown in Illustration 2.
D1 - - Press pin into block to obtain pin protrusion length of 3.7 to 3.9 mm (0.14567 to 0.15354 inch) from block surface as shown in Illustration 1.
D2 - - Press pin into block to obtain pin protrusion length of 3.7 to 3.9 mm (0.14567 to 0.15354 inch) from block surface as shown in Illustration 1.
- - - At 3300 rpm, minimum flow at 28 MPa (4061 psi) should be 30 L/min (8 US gpm).
- - - At 3300 rpm, relief valve minimum VOP should be 31 MPa (4496 psi).
- - - At 3300 rpm, full relief maximum valve bypass pressure at deadhead of maximum outlet flow at 0.10 L/min (0.02 US gpm) should be 38 MPa (5511 psi).
- - - At 1000 rpm, maximum pump pressure should be 6 MPa (870 psi).
- - - Pump supply pressure should be 200 to 450 kPa (29 to 65 psi).