C. Remove screw that secures r--clamp to lift arm.
Position r--clamp and hydraulic hoses away from lift
arm.
C. Install screws, flat washers (items 5 and 10) and
flange nut (item 7) to bridge plate, bulkhead bracket,
pivot shafts and frame bracket.
D. Pivot lift cylinder rod end away from lift arm.
D. Torque 1/2” fasteners (items 4 and 8) from 75 to
95
ers (item 6) from 135 to 165 ft--lb (183 to 223 N--m).
ft--lb (102 to 128 N--m). Then, torque 5/8” fasten-
4.
Remove fasteners that secure bridge plate (item 1)
and bulkhead bracket (item 16) to machine. Position
bulkhead bracket with attached hydraulic hoses away
from lift arm. Remove bridge plate.
5. Connect lift cylinder to lift arm (Fig. 21):
A. Align lift cylinder rod end to lift arm mounting
holes.
5.
6.
Slide rear lift arm from lift arm pivot shaft.
Inspect flange bushings in lift arm for wear or dam-
age. If necessary, replace bushings:
B. Slide cylinder pin with retaining ring and thrust
washer through the lift cylinder and lift arm.
A. Use bushing removal tool to extract both flange
bushings from the lift arm. Take care to not damage
the lift arm bore.
C. Install second thrust washer on pin and secure
with second retaining ring.
D. Position r--clamp and hydraulic hoses to lift arm.
Secure r--clamp with screw.
B. Clean the inside of the bore to remove any dirt or
foreign material.
6.
Mount cutting deck to lift arm (see Cutting Deck Car-
C. Apply grease to the inside and outside of the new
flange bushings.
rier Frame Installation in the Service and Repairs sec-
tion of Chapter 7 -- Cutting Decks).
D. Use an arbor press to install the bushings into lift
arm. Bushings should be pressed until bushing
flange is against lift arm bore.
7. Lubricate lift arm and lift cylinder grease fittings.
E. After bushing installation, make sure that lift arm
slides easily onto pivot shaft. If binding is noted, lo-
cate and correct source of binding.
2
3
7.
shaft (item 11) in lift arm. Remove pivot shaft from lift
arm.
If necessary, remove cap screw that secures pivot
4
8.
ot shaft (item 9) from frame. Discard roll pin.
Ifnecessary,removerollpin(item13)andliftarmpiv-
5
7
1
6
4
Installation (Fig. 22)
3
1.
If lift arm pivot shaft (item 9) was removed from
Figure 23
frame, apply antiseize lubricant to pivot shaft surface
andinsertshaftintoframe.Alignholesinframeandpivot
shaft. Secure pivot shaft with new roll pin (item 13).
1.
2.
3.
4.
Lift arm (#2 shown)
Lift cylinder
Retaining ring
Thrust washer
5.
6.
7.
Cylinder pin
R--clamp
Screw
2.
sert pivot shaft into lift arm and secure with cap screw
(item 14).
If pivot shaft (item 11) was removed from lift arm, in-
3.
4.
Slide rear lift arm onto pivot shaft.
Secure rear lift arm to machine:
A. ApplyPermatexBlueGelThreadlocker(orequiv-
alent) to threads of screws (items 4, 6 and 8).
B. Position bridge plate and bulkhead bracket with
attached hydraulic hoses to lift arm and frame brack-
et.
Groundsmaster 4300--D
Page 6 -- 25
Chassis
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 D |
| Download File |
|
| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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