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VALVE & MTG GP-HYDRAULIC 2278271 - Caterpillar

2278271 VALVE & MTG GP-HYDRAULIC Caterpillar parts 621G, 623G, 627G VALVE
Alternative (cross code) number:
Caterpillar 2278271 VALVE & MTG GP-HYDRAULIC

Buy VALVE & MTG GP-HYDRAULIC 2278271 Caterpillar genuine, new aftermarket tractor parts with delivery

Compatible equipment models: 2278271:

WHEEL TRACTOR  621G   623G   627G   Caterpillar
Number on catalog scheme: 17
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Assembly Procedure
Illustration 1 g00698036
Check all components for wear and damage. Clean all components and oil all components before any components are installed.
Install new seal (4) into the control valve.
Install spool (5) into the control valve. The spool should only be installed in one direction. Refer to the arrow in Illustration 1. The spool should be inserted far enough into the control valve so that plug (6) can be installed.
Install plug (6). Tighten plug (6) to a torque of 150 N m (110 lb ft).
Check the preload on spring (4). If adjustment is needed, refer to the Specifications section of the Service Manual, "Control Valve -Test and Adjust".
Install shims (2) into spring housing (1). The thickest shim should always be placed against spring (3). Coat shims with grease.
Before installing the spring, the spring housing needs to be half full of grease.
Coat the spring with grease. Install spring (3) into spring housing (1).
Install spring (3) and spring housing (1) into the control valve.
Tighten spring housing (1) to a torque of 150 N m (110 lb ft).
Illustration 2 g00707416
Install oil distributor (8) and oil distributor cover (9) into the top of control valve (7).
Install the control valve onto the cylinder. Refer to the Service Manual, "Control Valve - Install".

Caterpillar SIS machinery equipment:

Caterpillar SIS

Caterpillar parts catalog:

Caterpillar parts catalog
621G Wheel Tractor CEN00001-UP (MACHINE) POWERED BY 3406E Engine
623G Wheel Tractor CES00001-UP (MACHINE) POWERED BY 3406E Engine
627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine

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