Yale A7S1 Service Manual page 60

Hydraulic System
1. INLET
2. WEAR AREA
3. OUTLET
Inspection of Bearing
2. Inspect that the inner surface of bearing is
smooth, and the contact surface is shown at the
position about ½ at the inlet side. See
Figure 50.The bearing must be replaced, if any of
the following cases occurs.
52
4. MAINTENANCE LIMIT SIZE
5. OUTLET SIDE
Figure 49. Main Oil Pump
1. OUTLET
2. SCRATCH
3. INLET
4. GEAR SIDE
Figure 50. Inspection of bearing
8000 YRM 2199