GUARD 1088019 - Caterpillar

1. First, to get the required length of dust seal (1), temporarily put dust seal (1) on outer race (3).2. Put a mark on dust seal (1) at the position where to cut with a felt pen. The required length of dust seal (1) is 1 cm (0.39") shorter than the circumference of dust seal groove in outer race (3). 3. Cut dust seal (1) vertical at the marked position. 4. Smoothen the cutting surfaces of dust seal (1) with a file. 5. Put Three Bond 1741 on seal groove of outer race (3). Gradually force dust seal (1) into the seal groove of outer race (3) with each area 30 cm (11.8") from its end not fitted. 6. Put Three Bond 1741 on both end surfaces of dust seal (1) and put them in complete contact with each other. Hold on for one minute by hands, as shown in the left, to assure complete connection of the mating end surfaces.7. Dry the gap of dust seal (1) and check to be sure that there are no peeling, cracking or any other defects. 8. Force the remaining areas of dust seal (1) in the seal groove completely. When the contacting surface between inner race (4) and lip of dust seal (1) is uneven, apply round end of hammer stick to dust seal (1) to fit. 9. Fasten a lifting sling to the swing bearing and turn the swing bearing upside down so the seal groove of inner race (4) comes on top. 10. Install dust seal (2) in position on inner race (4) using steps 2. to 8. 11. Add grease to the swing bearing with a grease gun.