821483 Volvo.Penta Delivery pipe

Safety Section
Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.
Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Fuel injection lines MUST only be used once. Discard all fuel injection lines after use.
Fuel Line Removal and Installation Procedures
Required Parts
Table 1
Fuel Line Part Number     Description     Replacement Kit Part Number     Description    
292-3740     Fuel Line Tube Assembly     310-6031     Fuel Lines Kit    
284-9380     Fuel Line Tube Assembly     310-6032     Fuel Lines Kit    
308-7062     Fuel Line Tube Assembly     310-6033     Fuel Lines Kit     Replace the removed high pressure fuel line with the corresponding Fuel Lines Kit. The clamp, the grommet, and the new fuel line that is supplied with the Fuel Lines Kit must be used as the replacements for the old parts. Refer to Table 1.Note: Do not reuse the old clamp, the old grommet, and the old fuel line.Removal Procedure
Turn the fuel supply to the OFF position.
Disconnect the battery. Refer to Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect".
Illustration 1 g01444743
Illustration 2 g01630113
(7) Grommet (8) Clamp (9) Bolt
Remove the bolts (9) and clamps (8) at locations (1), (2), (3), and (4). Take note of the rubber grommets (7) in clamps (8) at locations (1), (2), (3), and (4) .
Loosen nut (6) on each end of fuel line (5). Remove fuel line (5). Repeat for the remaining fuel lines. Discard the fuel lines.Installation Procedure
Illustration 3 g01444743
Install a new fuel line (5). Hand tighten nut (6) on each end of the fuel line. Repeat for the remaining fuel lines.
Install clamps (8) at locations (1), (2), (3), and (4). Make sure that the rubber grommets (7) are placed correctly in clamps (8) at locations (1), (2), (3), and (4). Refer to Illustration 2. Failure to correctly place the grommet in the clamp could result in a failed fuel line. Install the bolts (9) for the clamps (8) hand tight.Note: Ensure that the fuel lines are centered in the nuts prior to tightening. Do not use excessive force or bending in order to assemble the fuel lines.
Tighten nuts (6) at the fuel rail for the fuel lines to a torque of 27 3 N m (20 2 lb ft).
Tighten nuts (6) at the quill tube to a torque of 15 3 N m (135 27 lb in). Turn nuts (6) at the quill tube for an additional 60 5 degrees.
Tighten the bolts (9) for clamps (8) at locations (1), (2), (3), and (4) to a torque of 12 3 N m (105 27 lb in).
Connect the battery. Refer to Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect".
Turn the fuel supply to the ON position.