HOUSING 4N0359 - Caterpillar

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Install new O-ring seals (23), (22), (21), and (20) .
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Install alignment pins (19) on the main hydraulic pump.
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(A) Dowel pin (B) Control linkageNote: Dowel pin (A) must line up with Control Linkage (B). Double check Dowel Pin (A) with Control Linkage (B) before installation on the main pump.
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Note: Support pump control (18) while you install bolts (17) .
Install pump control (18). The weight of pump control (18) is approximately 20 kg (44 lb). Install bolts (17) .
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Connect hose assemblies (16) .
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Install bolt (15) in order to connect the harness clip.Installation Procedure of the Left Pump Control
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Install new O-ring seals (14) and (13) .
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Install hydraulic fitting (12), (11), and (10) .
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Install new O-ring seal (9), (8), (7), and (6) .
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Install alignment pins (5) in the main hydraulic pump.
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(A) Dowel pin (B) Control linkageNote: Dowel pin (A) must line up with Control Linkage (B). Double check Dowel Pin (A) with Control Linkage (B) before installation on the main pump.
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Note: Support pump control (4) while you install bolts (3) .
Install pump control (4). The weight of the pump control is approximately 20 kg (44 lb).
Install bolts (3) .
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Connect hose assemblies (2) .
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Connect harness assembly (1) .
Fill the hydraulic tank. Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the capacity of the hydraulic tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct filling procedure.