Removal (Fig. 65)
Park themachine onalevelsurface, engage parking
Installation (Fig. 65)
1.
1. Applyantiseizelubricanttotractionpumpinputshaft.
brake, lower cutting decks and stop engine. Remove
key from the ignition switch.
2.
put shaft.
Positiondriveshaftassemblytoengineandpumpin-
2.
that secure drive shaft guard hoop (item 4) to machine
frame. Remove guard.
Remove two (2) flange head screws and flange nuts
3.
Apply Permatex Blue Gel Threadlocker (or equiva-
lent) to threads of cap screws (item 7) that secure drive
shaft flange to engine flywheel. Secure drive shaft
flange to flywheel with six (6) cap screws (item 7).
Torque cap screws from 34 to 42 ft--lb (46 to 56 N--m).
3.
(item9)thatsecuredriveshaftyoketopistonpumpinput
shaft.
Remove two (2) cap screws (item 5) and flange nuts
4.
Slide drive shaft yoke on pump input shaft so yoke is
4.
shaft flange to engine flywheel.
Remove six (6) cap screws (item 7) that secure drive
flush with end of input shaft. Secure drive shaft yoke to
pump input shaft with two (2) cap screws (item 5) and
flange nuts (item 9).
5.
Remove drive shaft assembly from machine.
Drive Shaft Cross and Bearing Service (Fig. 66)
Remove snap rings that secure bearings in yokes.
5.
Position drive shaft guard hoop to machine frame
and secure with two (2) flange head screws and flange
nuts.
1.
6.
Lubricate grease fittings on drive shaft.
IMPORTANT: Yokes must be supported when re-
moving and installing bearings to prevent damage.
4
2.
yokes. Thoroughly clean drive shaft yokes.
Use a press to remove cross and bearings from
3
2
3.
To install new cross and bearings:
1
A. Apply a coating of grease to bearing bores in end
yoke and shaft yoke.
B. Press one bearing partially into yoke.
C. Insert cross into yoke and bearing.
D. Hold cross in alignment and press bearing inuntil
it hits the yoke.
3
E. Install snap ring into yoke groove to secure
installed bearing.
Figure 66
F. Place second bearing into yoke bore and onto
cross shaft. Press bearing into yoke and secure with
snap ring.
1.
2.
End yoke
Cross and bearing kit
3.
4.
Snap ring (4 used)
Shaft yoke
G. Repeat procedure for other yoke.
H. Greasecrossuntilgreasecomesoutofallfour(4)
cups.
4.
Make sure that assembled joint moves without bind-
ing. Slight binding can usually be eliminated by lightly
rapping the yoke lugs with a soft faced hammer. If bind-
ing continues, disassemble joint to identify source of
binding.
Groundsmaster 4300--D
Page 4 -- 67
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Groundsmaster 4300 D |
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| Language | English |
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