925255 Volvo.Penta O-ring

TRACTOR ENGINE SHOWN2. Disconnect tube assembly (1) from the muffler.3. Remove two clamps (2) that hold the muffler in position.4. Fasten a hoist to muffler (3). Remove the muffler from the engine. Weight of the muffler is 95 lb. (43 kg).
TRACTOR ENGINE SHOWN5. Remove two bolts (5) and bracket (6).6. Remove bolts (9) that hold the turbocharger oil supply tube in position. Remove tube (11). Remove the oil return line for the turbocharger. The location of the line is under the turbocharger. Loosen the two clamps that hold hose (12) in position. Slide the hose off of the housing assembly of the turbocharger.7. Remove pipe (4) from the turbocharger.8. Remove four bolts (7) that hold elbow (8) to the cylinder head.9. Remove four bolts (10) and nuts that hold the turbocharger to the exhaust manifold.
TRACTOR ENGINE SHOWN10. Remove turbocharger (13) from the engine. Remove elbow (8) from the turbocharger.Install Turbocharger
TRACTOR ENGINE SHOWN1. Install elbow (2) on the turbocharger as shown.2. Put 9M3710 Anti-Seize Compound on the threads of the four bolts that hold the turbocharger to the exhaust manifold.3. Put turbocharger (1) in position on the exhaust manifold. Install the four bolts and nuts that hold it. Tighten the nuts to a torque of 45 5 lb.ft. (61.0 6.8 N m).
TRACTOR ENGINE SHOWN4. Install four bolts (6) that hold pipe (2) to the cylinder head.5. Install the oil return tube under the turbocharger.6. Install oil supply tube (7). Install pipe (3) on the turbocharger.7. Slide hose (9) in position on the turbocharger and tighten two clamps (8) that hold it.8. Put bracket (5) in position and install bolts (4) that hold it.
TRACTOR ENGINE SHOWN9. Fasten a hoist to muffler (10) and put it in position on the brackets that hold it.10. Install the two clamps over the muffler.11. Connect the tube assembly from the air cleaner assembly to the muffler.12. Install the hood over the tractor engine. See HOODS (TRACTOR AND SCRAPER ENGINES).Disassemble Turbocharger
start by: a) remove turbocharger 1. Put the turbocharger in position on tool (A). Move tool (A) so the compressor housing is up. The position of the turbine housing on the turbocharger for the tractor engine is different than the position of the turbine housing on the turbocharger for the scraper engine. 2. Make a mark across the center housing and turbine housing for installation and alignment purposes. Bend the locks down and remove six bolts (1). 3. Lift the center housing and turbine wheel out of the turbine housing. The position of the compressor housing on turbocharger for the tractor engine is different than the position of the compressor housing on the turbocharger for the scraper engine. 4. Make a mark across the center housing and compressor housing for installation and alignment purposes. Remove clamp (2) from the compressor housing.
Do not put a force on the side of the shaft when nut (3) is removed.
5. Lift the center housing out of the compressor housing. Put the turbine wheel in tooling (B).6. Remove nut (3) and O-ring seal (4).
The oil used to heat the compressor wheel must have a flash point (the temperature at which the oil will burn) above 400°F (204°C).
7. Heat the compressor wheel in oil for no more than ten minutes. The temperature of the oil must be 350° 25°F (176° 14°C).
Do not let the turbine wheel hit the bottom of the press.
8. Immediately after the compressor wheel is removed from the oil, put the center housing in a press and use tooling (C) and (D) to remove the compressor wheel and center housing from the shaft. 9. Put the turbine wheel in tooling (B). Remove ring (6) and shroud (5). 10. Remove three bolts (7) and the three locks from center housing (8). 11. Remove plate (9) with tool (E). Remove the O-ring seal from plate (9). 12. Remove spacer (10) from plate (9). Remove collar (11) and thrust bearing (15). Remove bearing (12) and put a long dye mark on the top face of the bearing. Use tool (F) to remove rings (16) and (13). Remove bearing (17) and put a short dye mark on the top face of the bearing. Remove ring (14) with tool (F). The dye marks are used for identification of the bearings when they are installed.13. Check all the parts of the turbocharger for damage. If the parts have damage, use new parts for replacement. See SPECIAL INSTRUCTION FORM NO. GMG00153 for TURBOCHARGER RECONDITIONING.Assemble Turbocharger
1. Make sure that all of the oil passages in the turbocharger center housing are clean and free of dirt and foreign material.2. Put clean engine oil on all of the parts of the cartridge assembly.
Rings (1), (2) and (3) must be installed with the round edge of the rings toward the bearings.
3. Install ring (3) with tool (A). Install bearing (4) with the short dye mark up. Install rings (2) and (1) with tool (A). 4. Install shroud (5) on the turbine shaft. Install ring (6). 5. Put the center housing in position on the turbine shaft. Make sure ring (6) fits inside the center housing correctly. Check to see that the turbine shaft and center housing does not come apart. 6. Install bearing (9) with the long dye mark up. Install thrust bearing (12) with the three lubrication grooves up. Install collar (8). Install O-ring seal (11) around plate (10). Install plate (10). Make sure the oil hole in plate (10) is in alignment with the oil hole in the center housing. Install spacer (7) with the large bore toward the inside. 7. Install bolts (13) and the three locks. Tighten the bolts to a torque of 40 5 lb.in. (4.5 0.6 N m). 8. Heat the compressor wheel in oil for no more than ten minutes. The temperature of the oil must be 350° 25°F (176° 14°C).9. Immediately after the c