ENGINE AR-PRIMARY 2336648 - Caterpillar

ENGINES
TRACK-TYPE TRACTORS
MOTOR GRADER
UNDERGROUND TRUCKS
PAVING PRODUCTS
WHEEL-TRACTOR SCRAPERS
OFF-HIGHWAY TRUCKS
WHEEL TRACTORS
COMPACTORS
WHEEL LOADERS
3408E (7PR),
3412E (4CR, BDT) INDUSTRIAL ENGINES;
3412E (9KS, 9PW) MARINE ENGINES;
D9R (7TL, 8BL),
D10R (3KR) TRACK-TYPE TRACTORS;
24H (7KK) MOTOR GRADERS;
69D (9SS),
73D (1GW) UNDERGROUND TRUCKS;
PM565B (8GS) COLD PLANERS;
631E (1AB, 1NB),
633E (2PS),
637E (1FB),
651E (4YR),
657E (5YR, 6PR, 6TR, 7KR) WHEEL-TRACTOR SCRAPERS;
769D (5TR, 5SS),
771D (6JR, 6YS),
773D (7ER, 7CS),
775D (6KR, 8AS) OFF-HIGHWAY TRUCKS;
834B (7BR),
844 (2KZ) WHEEL TRACTORS;
836 (7FR) COMPACTORS;
988F (2ZR),
990 (4FR) WHEEL LOADERSProblem:
Some HEUI hydraulic pumps have loose mounting screws (1) and/or a loose plug (2). The incorrectly assembled pumps can ONLY be identified by the Date Code on the Pump Identification Plate (3). The illustration shows the locations of the components.Solution:
Check the Date Code on the Pump Information Plate. The first two numbers of the Date Code indicate the day of the month. The letter indicates the month (A = January, B = February, C = March, etc). The last three numbers indicate the year (000 = 2000). For example the Date Code 30E000 = 30 May 2000, and the Date Code 05G000 = 05 July 2000. Hydraulic pumps with Date Codes 30E000 through 05G000 may have the loose screws and plug. The correct tightening torque for the four screws (1) is 7.5 0.5 N m (66 5 lb in). The correct tightening torque for the plug (2) is 25 3 N m (18 2 lb ft).
Locations of HEUI Hydraulic Pump Components Pump Possible loose screws (1).Possible loose plug (2).Information Plate (3).COPYRIGHT 2000 CATERPILLAR ALL RIGHTS RESERVED