Toro Reelmaster 5510 Series, Руководство по обслуживанию

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Disassembling the Gear Pump (continued)
7. Remove the thrust plates and seals from each pump section. Before
removing each gear set, apply marking dye to the mating teeth to retain
timing. The pump efficiency may be affected if the teeth are not installed in
the same position during assembly. Keep the parts for each pump section
together; do not mix the parts between sections.
Inspecting the Gear Pump
1. Remove any nicks and burrs from all the gear pump parts with emery cloth.
CAUTION
Use eye protection such as goggles when using compressed air.
2. Clean all the gear pump parts with solvent and dry them with compressed air.
g213691
Figure 156
1. Gear shaft spline 3. Gear teeth
2. Gear face edge 4. Gear shaft
3. Inspect the drive gears and idler gears for the following ( Figure 156 ):
A. Gear shafts should be free of scoring, rough surfaces, and excessive
wear at the bushing points and sealing areas.
B. Gear teeth should be free from excessive scoring, broken or nicked gear
teeth, and visual wear.
C. Inspect the gear face edge for sharpness because sharp edges of gears
will mill into the wear plates.
4. Inspect the wear plates for the following:
A. Bearing areas should not have excessive wear or scoring.
B. Face of the wear plates that are in contact with gears should be free of
wear, roughness, or scoring.
C. Thickness of the wear plates should be equal.
5. Inspect the front flange and body for damage or wear.
6. Replace the entire pump assembly if the internal parts are excessively worn
or damaged.
Hydraulic System: Service and Repairs Page 6–172 Reelmaster ® 5410/5510/5610 Series
15216SL Rev C