8.
seals from wear plates.
Remove and discard back--upgaskets and pressure
1
2
3
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. 93).
Note orientation of seal lips during removal. Discard re-
moved seals.
Inspection
Figure 93
3.
4.
1.
emery cloth.
Remove any nicks and burrs from all parts with
1.
2.
Dust seal
Retaining ring
Flange washer
Shaft seal
CAUTION
3
4
1
Use eye protection such as goggles when using
compressed air.
2.
pressed air.
Clean all parts with solvent. Dry all parts with com-
2
3.
Inspect drive gears and idler gears for the following
(Fig. 94):
2
A. Gear shafts should be free of rough surfaces and
4
3
excessive wear at bushing points and sealing areas.
Scoring, rough surfaces or wear on gear shafts indi-
cates need for replacement.
Figure 94
3.
4.
1.
2.
Gear shaft spline
Gear shaft
Gear teeth
Gear face edge
B. Gear teeth should be free of excessive scoring
and wear. Any broken or nicked gear teeth must be
replaced.
Assembly (Fig. 91)
NOTE: When assembling motor, check the marker line
on each part to make sure parts are properly aligned
during assembly.
C. Inspect gear face edge for sharpness. Sharp
edges of gears will mill into wear plates and, thus,
must be replaced.
1.
Lubricate O--rings,pressure seals, back--upgaskets
4.
Inspect wear plates for the following:
and wear plate grooves with a thin coat of petroleum jel-
ly. Lubricate all other internal parts freely with clean hy-
draulic oil.
A. Bearingareasshouldnothaveexcessive wearor
scoring.
2.
entation of seal lips during installation:
Install new seals into front flange (Fig. 93). Note ori-
B. Face of wear plates that are in contact with gears
should be free of wear, roughness or scoring.
A. Press shaft seal into front flange until it reaches
the bottom of the bore.
C. Thickness of wear plates should be equal.
Inspect front flange and body for damage or wear.
5.
B. Install flange washer into front flange and then
install retaining ring into the groove of the front
flange.
C. Install new dust seal into front flange.
Groundsmaster 4000--D/4010--D
Page 4 -- 121
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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