228 and 248 Skid Steer Loaders Machine Systems Caterpillar

Illustration 1	g00664674

The couplings for the auxiliary hydraulic circuit (1) are located at the front of the machine on the left side. The couplings for the auxiliary hydraulic circuit are located on the inside of the lift arm. The couplings for the high flow auxiliary hydraulic circuit (2) are located at the front of the machine on the left side. The couplings for the high flow auxiliary hydraulic circuit are located on the outside of the lift arm.

Illustration 2	g00664672

The tilt cylinders (3) are located in the lift arms on the front of the machine. One tilt cylinder is located on each side of the machine.

Illustration 3	g00664697

The lift cylinders (4) are located on the sides of the machine. The tandem drive (5) is located behind the access plate. One access panel is located on each side of the machine. The axles (6) are located behind the wheels.

Illustration 4	g00664704

Illustration 5	g00664714

The following components are located in the engine compartment: the oil cooler (7), the fan drive motor (8), the ball valve (9), the oil filter (10), the diverter valve (11) and the gear pump (12).

Illustration 6	g00664727

Illustration 7	g00664785

Illustration 8	g00664786

The following components are located under the cab: the bank valve (13), the piston pump (hydrostatic) (14), the piston pump (work tool) (15), the piston motors (16), the return manifold (17), the accumulator (18), the interlock manifold (19) and the hydraulic tank (20).

Illustration 9	g00664787

The joystick controls (21) are located inside the cab. The left joystick controls the motion of the machine. The right joystick controls the motion of the work tools.

For more information on the operation of the hydraulic system, refer to System Operation, "Pilot Hydraulic System" and System Operation, "Hydraulic System".