134178-2420 ZEXEL 9 443 610 599 BOSCH PLUNGER-AND-BARREL ASSY 9443610599 1341782420 221043750a

2. Remove six bolts (1) on radiator cover (2). 3. Loosen clamp (3) and clamp (4) and disconnect hoses. Remove two bolts (5) and remove fan guard (6). 4. Disconnect hose (8) and hose (9) from bottom of radiator y-pipe. Remove eight bolts (7) from fan shroud and move shroud toward engine to allow access to fan. 5. Remove six bolts (10) remove fan and spacer (11). Remove shroud assembly (12). 6. Loosen two bolts (13) on alternator to remove belts (14). Remove four bolts (15) on fan drive (16) and remove fan drive. The following steps are for the installation of the fan drive7. Place fan drive (16) in position and install four bolts (15).8. Place belts (14) on fan drive pulley and around the alternator pulley. Use a belt tension gauge such as a Borroughs BT-33-95 Gauge to check the belt tension. Adjust a new belt to a gauge reading of 534 22 N m (120 5 lb ft). Adjust a used belt to a gauge reading of 400 44 N m (90 10 lb ft). Tighten two bolts (13) on the alternator when belts are under tension.9. Place shroud assembly (12) into position against the engine and install fan and spacer.10. Mount shroud assembly (12) to brackets around radiator with eight bolts (7).11. Connect hoses (8) and (9) to proper position on y-pipe at the bottom of the radiator.12. Install fan guard (6) with two bolts (5).13. Connect two hoses with clamps (3) and (4).14. Install radiator cover (2) with six bolts (1).15. Fill cooling system. See the Maintenance Manual.Disassemble And Assemble Fan Drive
Start By:a. remove fan drive 1. Remove dust cover (1). 2. Remove bolt (2) and plate (3). Remove six bolts (4) and remove pulley (5) off of hub (10). Slide hub off of bracket (6). 3. Remove cone bearing (7), cup bearing (8), spacer (9), cup bearing (11), cone bearing (13), seal (12) and spacer (14) out of hub. The following steps are for the assembly of the fan drive.4. Install spacer (14) onto bracket (6).5. Install cup bearing (11) and cone bearing (13) into hub (10).6. Install seal (12) as shown in Illustration.7. Install spacer (9), cup bearing (8) and cone bearing (7) into hub (10).8. Place hub assembly onto bracket shaft.9. Install plate (3) and bolt (2) into shaft and place dust cover (1) on shaft.10. Install pulley (5).End By:a. install fan drive