UPPERSTRUCTURE / Pump Device 5. Place drive disc (49) on a workbench with the spline side facing upward. Install roller bearing (16) to drive disc (49). Apply hydraulic oil to the bearing race surfaces. 6. Install the outer race to roller bearing (16). 7. Install the outer race of roller bearing (15) to spacer (17) by using special tool (ST 2408). 9. Place drive disc (49) on special tool (ST 5905). Install bearing nut (14) to the thread part in drive disc (49). Tighten bearing nut (14) until it contacts bearing (15). Apply lubricating oil to the thread part in bearing nut (14). 14 ST 5905 17 W1V7-02-04-019 W1V7-02-04-017 8. Install roller bearing (15) and spacer (17) to drive disc (49).
Check that roller bearings (15, 16) are securely installed to drive disc (49) after they have cooled down to atmosphere temperature. Apply hydraulic oil to the bearing race surfaces. Install the inner race of roller bearing (15) by using special tool (ST 7102). W1V7-02-04-018 W2-4-35 ST 24 08 ST 7102