UPPERSTRUCTURE / Swing Device 11. Apply THREEBOND #1215 on the outer surface of oil seal (28). Place oil seal (28) flat on housing (26) and push by hand in gently. Place special tool (ST 7291) on oil seal (28). Tap in special tool by using a hammer directly. 19. Place special tool (ST 7290) onto the inner race of roller bearing (14). Install the inner race by using a press. NOTE: Use special tool in order to install the inner race correctly. ST 7291 14 ST 7290 WIHH-02-06-010 12. Apply grease to the inner surface of oil seal (28). Apply grease to the outer surface of sleeve (29) attached on shaft (31). 13. Turn over housing (26).
Install eyebolts (M18, Pitch 2.5 mm) (2 used) to the bolt (24) hole on housing (26). Hoist and place housing (26) on shaft (31). Check and align carefully in order to prevent the oil seal (28) lip from curling. 14. Tap and install the outer race of roller bearing (14) to housing (26) by using a bar and hammer evenly. Tap and listen to ring in order to check if the installation is completed. 15. Tap and install the inner race of roller bearing (14) into shaft (31) by using a bar and hammer. Tap the inner race until two threads of shaft for bearing nut (15) appear. 16. Tighten bearing nut (15) to shaft (31) by hand. WIHH-02-06-009 NOTE:
Prevent shaft (31) from falling off when hoisting housing (26). CAUTION: Housing (26) + shaft (31) + bearing (14) weight: 178 kg (390 lb) 17. Install eyebolts (M18, Pitch 2.5 mm) (2 used) to the bolt (24) hole on housing (26). Hoist and place housing (26) on a press. 18. Remove bearing nut (15) from shaft (31). W2-6-15 1 28 26