Removal (Fig. 20)
Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. If pivot shaft (item 16) was removed from lift arm, in-
sert pivot shaft in lift arm and secure with cap screw
(item 19).
1.
3. Slide front lift arm onto pivot shaft.
4. Secure front lift arm to machine:
2.
Remove cutting deck from front lift arm to be re-
moved (see Cutting Deck Carrier Frame Removal in the
Service and Repairs section of Chapter 7 -- Cutting
Decks).
A. ApplyPermatexBlueGelThreadlocker(orequiv-
alent) to threads of screws (items 9, 12 and 18).
B. Position tipper bracket to lift arm and frame
bracket.
3.
Disconnect lift cylinder from lift arm (Fig. 21):
A. Remove one (1) retaining ring and thrust washer
from the cylinder pin that secures lift cylinder to lift
arm.
C. Install screws, flat washers (items 11 and 13) and
flange nut (item 6) to tipper bracket, pivot shaft and
frame bracket.
B. Pull cylinder pin from the lift cylinder and lift arm.
Locate and retrieve second thrust washer.
D. Torque 1/2” fasteners (items 9 and 18) from 75 to
95
ft--lb (102 to 128 N--m). Then, torque 5/8” fasten-
C. Pivot lift cylinder rod end away from lift arm.
ers(item18)from135to165ft--lb(183to223N--m).
4.
or 8) to machine. Remove tipper bracket.
Remove fasteners that secure tipper bracket (item 7
5. Connect lift cylinder to lift arm (Fig. 21):
A. Align lift cylinder rod end to lift arm mounting hole
5.
6.
Slide front lift arm from lift arm pivot shaft.
B. Slide cylinder pin with retaining ring and thrust
washer through the lift cylinder and lift arm.
Inspect flange bushings in lift arm for wear or dam-
age. If necessary, replace bushings:
C. Install second thrust washer on pin and secure
with second retaining ring.
A. Use bushing removal tool to extract bushings
from the lift arm. Take care to not damage the bore.
6.
Mount cutting deck to lift arm (see Cutting Deck Car-
B. Clean the inside of the bore to remove any dirt or
foreign material.
rier Frame Installation in the Service and Repairs sec-
tion of Chapter 7 -- Cutting Decks).
C. Apply grease to the inside and outside of the new
bushings.
7. Lubricate lift arm and lift cylinder grease fittings.
D. Use an arbor press to install the bushings into lift
arm. Lift arm bushings should be pressed until bush-
ing flange is against lift arm bore.
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.
3
4
5
7.
shaft (item 16) in lift arm. Remove pivot shaft from lift
arm.
If necessary, remove cap screw that secures pivot
2
1
8.
shaft (item 14) from frame. Discard roll pin.
Ifnecessary,removerollpin(item3)andliftarmpivot
4
3
Figure 21
Installation (Fig. 20)
1.
2.
3.
Lift arm (#1 shown)
Lift cylinder
Retaining ring
4.
5.
Thrust washer
Cylinder pin
1.
If lift arm pivot shaft (item 14) was removed from
frame, apply antiseize lubricant to pivot shaft surface
andinsertshaftintoframe.Alignholesinframeandpivot
shaft. Secure pivot shaft with new roll pin.
Groundsmaster 4300--D
Page 6 -- 23
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)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)