1979/04/16 Caterpillar

Hydraulic Accumulator Now Used In Lines Group For Draft Frame{5077,5057,5314,5055}

Usage:

633 Scrapers 19W, 86H

SUPPLEMENT: 05/28/79

SERVICE MAGAZINE, April 16, 1979, Page 3. In the article "Hydraulic Accumulator Now Used In Lines Group For Draft Frame" change the title, SMCS Codes and Sub-title to read as follows: Hydraulic Accumulator Added To Scraper Lines Group Extends Service Life Of Elevator Pump And Motor.

5077, 5057, 5314, 5055

633 Scrapers (19W, 86H)

--------------- END SUPPLEMENT ---------------

Description of Change: A hydraulic accumulator is now used in the 9J1024 Lines Group for the draft frame on 633D Scrapers with Serial Numbers 19W676-up. The use of the hydraulic accumulator will give longer service life to the elevator pumps and motors. The hydraulic accumulator is installed on the gooseneck.

Adaptable To: All 633D Scrapers 19W1-675 and 633C Scrapers 86H711-up which are equipped with the 9J1024 Lines Group. Special Instruction Form SMHS7489 has complete installation instructions.

Caterpillar Information System:

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