Testing; Steering Cylinder Internal Leakage Test - Toro Reelmaster 5500-D Service Manual

Testing

Note: For testing the gear pump section that supplies
the steering circuit, see Test No. 8 in Chapter 4−Hydrau-
lic System of this manual.

Steering Cylinder Internal Leakage Test

1. Engage the parking brake, and lower the cutting
units to the floor.
2. Turn the steering wheel all the way to the left (coun-
terclockwise) so the steering cylinder rod is extended all 1
the way.
3. Turn the engine OFF
4. Disconnect the hydraulic hose from the fitting on the
rod end of the cylinder (Fig. 7). Put a plug in the end of
the hose to prevent contamination.
5. With the engine OFF, continue turning the steering
wheel to the left (counterclockwise) with the cylinder rod
Figure 7
completely extended and observe the open fitting on the
1. Hydraulic hose and fitting (2WD shown)
steering cylinder. If oil comes out of the fitting while turn-
ing the steering wheel to the left, the steering cylinder
has internal leakage and must be repaired or replaced.
Note: DO NOT turn the steering wheel to the right
(clockwise) or the steering valve will meter oil out the dis-
connected hydraulic hose.
Steering and Brakes Page 7 - 6 Reelmaster 5500-D