407910-7741 ZEXEL CONTROL UNIT Cross 4079107741

8-4711. Remove needle bearing circlips.Fig. 8-47
8-4812. Press needle bearing out of cover.Fig. 8-48
8-4913. Press shaft with ball bearing out of fan shroud hub and press bearing from shaft.Fig. 8-49
8-5014. Prise out shaft seal.Fig. 8-50
8-5115. Remove needle bearing circlips.Fig. 8-51
8-5216. Press needle bearing out of hub.Fig. 8-52Reassembling Fan
8-53Shown in Fig. 8-53 is the complete cover.8. Shaft seal9. Circlip10. Needle bearing11. Shaft20. Circlip21. Ball bearing23. Cover
8-5417. Install inner circlip in cover.Fig. 8-54
8-5518. Press in needle bearing.Fig. 8-55
8-5619. Install outer circlip.Fig. 8-56
8-5720. Press ball bearing into cover, applying pressure to outer ring.Fig. 8-57
8-5821. Install circlip for ball bearing.Fig. 8-58
8-5922. Press shaft seal in flush, using tool No. 160260.Fig. 8-59
8-6023. Carefully guide shaft through shaft seal and press into ball bearing, while supporting cover on inner ring of ball bearing.Fig. 8-60
8-61Shown in Fig. 8-61 is the complete fan shroud hub.8. Shaft seal9. Circlip10. Needle bearing11. Shaft15. Fan shroud with guide vane blading16. Sleeve17. Angular-contact ball bearing18. Circlip
8-6224. Install inner circlip in fan shroud hub.Fig. 8-62
8-6325. Press in needle bearing.Fig. 8-63
8-6426. Install outer circlip.Fig. 8-64
8-6527. Install sleeve in fan shroud.Fig. 8-65
8-6628. Press angular-contact ball bearing into fan shroud hub, applying pressure to outer ring.Fig. 8-66
8-6729. Install circlip.Fig. 8-67
8-6830. Press shaft seal in flush, using tool No. 160260.Fig. 8-68
8-6931. Carefully guide shaft through shaft seal and press into angular-contact ball bearing, while supporting fan shroud hub on inner ring of bearing.Fig. 8-69
8-7032. Install complete coupling.Fig. 8-70
8-7133. Fit new O-seal on shaft (arrow).Fig. 8-71
8-7234. Place V-belt pulley in position. Fit new sealing nut. Oil thread beforehaFig. 8-72 Hold wrench against bolt flat.
8-7335. Preload nut with 50 Nm and tighten through 90°.Fig. 8-73
8-7436. Place new O-seal on cover and coat with grease.Fig. 8-74
8-7537. For easier guidance of the cover during installation insert three stud bolts beforehand. Install cover so that the oil deflector (arrow) is at the bottom of the cooling blower, at oil drain.Fig. 8-75
8-7638. Install cheese-head screws with new joint washers and tighten. (8.5+3 Nm)Fig. 8-76
8-7739. Fit O-seal.Fig. 8-77
8-7840. Install rotor.Fig. 8-7841. Screw new sealing nut in place, oiling thread well beforehand.
8-79 Hold wrench against bolt flat.Fig. 8-79
8-8042. Preload nut with 50 Nm and tighten through 90°.Fig. 8-80Dismantling And Installing The Hydraulic Oil Pump
Dismantling
1. Disconnect oil lines at the hydraulic pump.
8-812. Screw off cover. Screw nut off hydraulic pump shaft.Fig. 8-81
8-82
8-833. For earlier gear design, use puller No. 144700, Fig. 8-82, for new gear design, use puller No. 144750 to withdraw gear from shaft.Fig. 8-83
8-84 Fig. 8-84 shows the new gear design with inner groove (arrow).4. Release hydraulic pump and remove.Installing:
5. Mount hydraulic pump complete with new gasket.
8-856. Tighten nut to prescribed torque (see Specification Data).Fig. 8-85
8-867. Place new O-seal in position and mount cover.Fig. 8-86Remove And Refit Horizontal Coolant Oil Nozzle
8-891. Install drilling bush and operate 6.7 mm dia. drill.Fig. 8-89
8-902. Drilling depth: max approx. 12 mm.Fig. 8-90
8-913. Tap with M8 and remove nozzle by puller bush and screw.Fig. 8-91
8-924. Refit oil nozzle, using tool No. 151100. When installing nozzle in tool, check that parallel pin points towards cylinder head. Furthermore, check that