8.
seals from wear plates.
Remove and discard back--upgaskets and pressure
2
3
1
4
9.
Turn front flange over, with seal side up.
IMPORTANT: Make sure not to damage the front
flange counter bore when removing the seals from
the front flange.
10.Carefully
remove dust seal, retaining ring, flange
washer and shaft seal from the front flange (Fig. 75).
Discard seals.
Figure 75
1.
2.
Dust seal
Retaining ring
3.
4.
Flange washer
Shaft seal
Inspection
1.
Remove any nicks and burrs from all parts with
emery cloth.
3
CAUTION
2
Use eye protection such as goggles when using
compressed air.
2.
pressed air.
Clean all parts with solvent. Dry all parts with com-
1
3.
Inspect drive gears and idler gears for the following
4
(Fig. 76):
Figure 76
3.
4.
A. Gear shafts should be free of rough surfaces and
1.
Gear shaft spline
Gear shaft
Gear teeth
Gear face edge
2.
excessive wear at bushing points and sealing areas.
Scoring, rough surfaces or wear on gear shafts indi-
cates need for replacement.
Assembly (Fig. 73)
NOTE: When assembling the motor, check the marker
line on each part to make sure the parts are properly
aligned during assembly.
B. Gear teeth should be free of excessive scoring
and wear. Any broken or nicked gear teeth must be
replaced.
1.
Lubricate O--rings,pressure seals, back--upgaskets
C. Inspect gear face edge for sharpness. Sharp
edges of gears will mill into wear plates and, thus,
must be replaced.
and wear plate grooves with a thin coat of petroleum jel-
ly. Lubricate all other internal parts freely with clean hy-
draulic oil.
4.
Inspect wear plates for the following:
2.
Install new seals into front flange (Fig. 75):
A. Bearingareasshouldnothaveexcessive wearor
scoring.
A. Press shaft seal into front flange until it reaches
the bottom of the bore.
B. Face of wear plates that are in contact with gears
should be free of wear, roughness or scoring.
B. Install flange washer into front flange and then
install retaining ring into the groove of the front
flange.
C. Thickness of wear plates should be equal.
5.
Inspect front flange and rear cover for damage or
C. Install new dust seal into front flange.
wear.
3.
Place front flange, seal side down, on a flat surface.
Groundsmaster 4000--D
Page 4 -- 109
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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