OMW47578: 521 and 541 Loaders, Block File: OUO6038_00001BE_19

Identifying Hose Connections-Loader Operated with Independent Control Valve-20, 30, 40, 50, 55 Series Tractors

causym CAUTION: Help prevent personal injury caused by unexpected loader movement. Anticipated loader movement responds to control lever only if hoses are connected to tractor selective control valves as shown below.

NOTE: Hose connections are identified by color keyed dust covers. Colored plugs are installed on the tractor selective control valve outlets at loader predelivery. Corresponding colored caps are installed on loader hose ends.

Use the following chart to identify hoses and replace missing colored dust covers:

	Loader Cylinder Work Port	Color of Dust Cover
A	Bucket Cylinder Head End	Yellow
B	Bucket Cylinder Rod End	Black
C	Lift Cylinder Head End	Blue
D	Lift Cylinder Rod End	Red
	Grapple Cylinder Head End^a	Orange
	Grapple Cylinder Rod End^a	Green
^a541 loader only.

NOTE: Grapple Cylinder ports/dust covers not shown.

A-Bucket Cylinder Head End
B-Bucket Cylinder Rod End
C-Lift Cylinder Head End
D-Lift Cylinder Rod End
E-Clamp

521 Loader (Serial No. -2899)

W03117

521 (Serial No. 2900- ) and 541 Loaders

W00253

OUO6038,00001BE -19-05DEC00-1/1