21665586 Volvo.Penta Charge air pipe

1. Remove the alternator belts from pulley (1). See the topic, Remove Alternator.2. Remove bolts (3), and remove pulley (1) from the drive shaft.3. Remove bolts (2), and use two 1/2" - 13 NC forcing screws to remove adapter assembly (4) from the rear of the front drive housing. 4. Remove bolts (5), and remove accessory drive (6) from the front drive housing.Install Accessory Drive (Front)
1. Make sure the O-ring seals are in position on accessory drive (1), and put clean engine oil on them.2. Install accessory drive (1) in the front drive housing. Make sure the teeth of the gear on the accessory drive are engaged correctly with the teeth of the gear in the front housing. Install the bolts to hold accessory drive (1) in position. 3. Make sure the two O-ring seals are installed on adapter assembly (3), and put clean engine oil on them. Put clean oil on the lip of the seal and bearing in adapter assembly (3), and install the adapter assembly. Tighten bolts (2) to hold adapter assembly (3) in position. 4. Put pulley (4) in position, and install the bolts to hold it to the drive shaft.5. Install the alternator belts on the pulley. See the topic, Install Alternator.END BY:a. install oil pumpb. install governor drivec. install water pumpDisassemble Accessory Drive (Front)
START BY:a. remove accessory drive (front) 1. Remove O-ring seals (2) and (3) from adapter (1). 2. Remove seal (4) from adapter (1). Use a press and tool group (A) to remove bearing (5) from adapter (1). 3. Remove bolts (7) to remove gear (8) from shaft (6). Later models have two retainer washers.4. Remove bolts (9) and the retainer washer to remove shaft (6) from adapter (10). 5. Remove O-ring seals (12) and (13) from adapter (10).6. Use a press and tool group (A) to remove bearing (11) from adapter (10).Assemble Accessory Drive (Front)
1. Align the oil hole in the bearing and the oil hole in adapter (1). Use a press and tool group (A), and install the bearing in adapter (1). Check the bore in the bearing after assembly. The bore in the bearing must be 75.000 0.055 mm (2.9528 .0022 in.).2. Install the two O-ring seals in adapter (1). Later models have two retainer washers (2).3. Put clean engine oil on the bearing, and install shaft (3) in adapter (1). Install retainer washer (2) to hold the shaft and adapter together. 4. Put gear (4) in position on shaft (3), and install the bolts to hold them together. 5. Align the oil hole in the bearing and the oil hole in adapter (5). Use a press and tool group (A), and install the bearing in adapter (5). Check the bore in the bearing after assembly. The bore in the bearing must be 75.000 0.055 mm (2.9528 .0022 in.).6. Use tool group (A) to install the seal in adapter (5). Make sure the lip of the seal is toward the bearing as shown. 7. Install O-ring seals (6) and (7) on adapter (5), and put clean engine oil on them.END BY:a. install accessory drive (front)