Installing The Lift-Arm Assembly - Toro 31900A Operator's Manual

2-wheel or 4-wheel drive traction unit
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4
Installing the Lift-Arm
Assembly
Models 31900A, 31901A, and
31907A Only
Parts needed for this procedure:
1
Right lift arm
1
Left lift arm
2
Large pin
2
Bolt (3/8 x 2-3/4 inches)
4
Nut (3/8 inch)
2
Small pin
2
Bolt (3/8 x 1-1/4 inches)
2
Grease fitting
Procedure
Note:
Have an assistant help you to install the lift
arms, as needed.
1.
Remove the lift arms from the shipping skid.
2.
Use 2 large pins to install the lift arms to the
machine frame
(Figure
Right side shown.
1. Lift arm
2. Machine frame
3.
Install the grease fittings to the large pins
6).
6).
Figure 6
3. Large pin
4. Grease fitting
4.
Use 2 nuts (3/8 inch) and 2 bolts (3/8 x 2-3/4
inches) to secure the large pins to the frame
(Figure
1. Nut
2. Large pin
5.
Perform the following steps to secure the
hydraulic cylinders to the lift arms:
A.
Place a drain pan under the hydraulic
manifold (shown in
Note:
hydraulic fluid in order to manually retract
the lift cylinders.
g312023
(Figure
B.
Loosen the hose swivel nut connected to
port C1 of the hydraulic manifold
14
7).
Figure 7
Right side shown.
3. Bolt
Figure
You must bleed a small amount of
Figure 8
g295767
8).
g299920
(Figure
9).

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