108822-2521 ZEXEL 9 400 619 573 BOSCH INJECTION-PUMP ASSEMBLY 9400619573 1088222521

2. Remove three nuts and washers (1).3. Move Peec unit (2) out of the way. (If so equipped). 4. Remove elbows (5) and pipes (7).5. Remove fuel line brackets (4).6. Remove bolts (6). Remove cover (3). 7. Remove elbows (10). Remove adapters (8) and adapters (9) from the aftercooler core. Remove bolts (11). 8. Move aftercooler core (12) toward the front of the engine and use two people to remove the aftercooler core from the lower aftercooler housing. The weight of the aftercooler core is approximately 29 kg (65 lb). Remove the O-ring seals from the aftercooler core extensions.Install Aftercooler
1. Install O-ring seals (13) on the aftercooler core extensions. Put clean engine oil or glycerin on the seals.2. Use two people to put aftercooler core (12) into position in the lower aftercooler housing. The weight of the aftercooler core is approximately 29 kg (65 lb). 3. Install bolts (11). Put clean engine oil or glycerin on O-ring seal (14) and in bores (15) and (16). 4. Put clean engine oil or glycerin on O-ring seals (17) and adapters (8) and (9). Install adapters (8) and (9) in the aftercooler core. 5. Install elbows (10). 6. Put cover (3) into position on the engine. Install bolts (6).7. Install fuel injection line brackets (4). Tighten bolts (20) to a torque of 4.5 1.1 N m (40 10 lb in).8. Put clean engine oil or glycerin on pipes (7). Install pipes (7) and elbows (5).9. Fill the cooling system with coolant. See Operation & Maintenance Manual for the proper procedure and levels.