Removal (Fig. 9)
Park machine on a level surface, lower cutting
9/16”
hole
3”
x 12” (3/8” to 1/2” thick) plate steel
1.
decks, stop engine, apply parking brake and remove
key from the ignition switch.
2.
Deck in Chapter 8 -- Cutting Decks).
Remove wing deck from lift arm (see Wing Cutting
1/2”
-- 13 UNC bolt
Flat washer
3.
hub (see Wing Deck Impact Arm Assembly in this sec-
tion).
Remove wing deck impact arm assembly from pivot
1”
to 1 1/8”
4.
Remove joint yoke and cutting deck connection from
lift arm (Fig. 12):
A. Support cutting deck connection to prevent it
from falling.
B. Remove cotter pin, slotted hex nut, hardened
washer and thrust washers from joint yoke shaft.
C. Lower joint yoke, cutting deck connection and
wing deck impact arm assembly from lift arm.
Use hammer to remove
pivot shaft from lift arm
5.
inderpin(item5)toliftarm.Slidecylinderpinfromliftcyl-
inder and lift arm. Separate lift cylinder from lift arm.
Remove cap screw and flange nut thatsecure liftcyl-
Figure 10
6.
24)
Remove cap screw (item 23) and flat washer (item
from lift arm pivot shaft.
5
4
1
7.
Slide wing deck impact arm pivot hub and thrust
washer (item 29) from lift arm pivot shaft.
2
8.
Drive out roll pin (item 22) that retains lift arm pivot
shaft to frame. Discard roll pin.
3
9.
Support lift arm to prevent it from shifting or falling.
4
Pull lift arm pivot shaft from lift arm and frame. Locate
and remove thrust washer (item 29) during pivot shaft
removal.
2
NOTE: If pivot shaft is difficult to remove, fabricate a
puller asshowninFigure10.Attachpuller toendofpivot
shaft with the pictured bolt and flat washer. Drive pivot
shaft from lift arm and frame with hammer.
Figure 11
1.
2.
3.
Lift arm (LH shown)
Flange bushing
Grease fitting
4.
5.
Straight bushing
Grease fitting
10.Remove
lift arm from machine.
3. Position lift arm to frame with thrust washer (item 29)
properly placed between rear of lift arm pivot hub and
frame. Slide pivot shaft into frame, thrust washer and lift
arm until roll pin holes in pivot shaft and frame align.
11.
If necessary, press bushings from lift arm (Fig. 11).
Thoroughly clean lift arm bores.
Installation (Fig. 9)
4. Install new roll pin (item 22) to secure lift arm pivot
shaft to frame.
1.
If bushings were removed from lift arm, press new
bushings into lift arm bores. Make sure that bushings
are pressed fully to lift arm surface.
5. Slide thrust washer (item 29) and then wing deck im-
pactarmpivothubontopivotshaft.Makesurethatthrust
washer is between frame and pivot hub.
2.
Apply anti--seize lubricant to lift arm pivot shaft.
Groundsmaster 5900/5910
Page 7 -- 13
Chassis
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 5900, Toro Groundsmaster 5910 |
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|
| Document Type | Service Manual |
| Language | English |
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