621G and 627G Wheel Tractor-Scrapers Machine Systems Caterpillar

Removal Procedure

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Illustration 1	g00817094

1. Attach suitable lifting device (1) to the top of hook assembly (2) .

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Illustration 2	g00817095

2. Remove bolts (3) and remove retainers (4). Remove the pins (5) (not shown) from hook assembly (2) .

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Illustration 3	g00817097

3. Remove bolts (6) and remove retainers (7) .

4. Remove hook assembly (2) from the scraper. The weight of the hook assembly (2) is 360 kg (800 lb).

Installation Procedure

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Illustration 4	g00817078

1. Attach suitable lifting device (1) to hook assembly (2) .

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Illustration 5	g00817097

2. Put the hook assembly (2) into position on the scraper. Install retainers (7) and install bolts (6) .

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Illustration 6	g00817095

3. Lower the hook assembly (2) in order to install the pins (5) (not shown). Install retainers (4) and install bolts (3) .