PUMP GP-GEAR 1701163 - Caterpillar

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Remove gasket (25) from pump (1) .
Remove bearing (26) from the shaft.
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Remove spacer (29) and cylinder block (27) from shaft (28) .
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Remove nine pistons (30) and plate (31) from cylinder block (27) .
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Remove spherical washer (32) from the cylinder block.
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Remove retainer (33) and three pins (34) from the cylinder block.
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Use a press and 4B-5273 1/2 inch Washer (35) to compress the spring, and remove snap ring (36) with Tool (B) .
Release the tension on the spring.
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Remove washer (38), spring (39) and washer (37) from cylinder block (27) .
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Remove two covers (41) from housing (40) .
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Remove shims (44), O-ring seal (42) and spacer (43) from both sides of the housing.
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Remove cup (46) and cone (45) from both sides of the housing.
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Remove yoke (47) from housing (40) .
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Remove seat (48) and pin (49) from yoke (47) .
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Remove seat (50) and spring (51) from the housing. Remove shaft (28) .
Use a press and Tool (C), and remove the bearing cone from shaft (28) .
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Remove snap ring (54) with Tool (B), and remove seal (53) .
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If necessary, remove cup (55) with Tooling (A) .