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6
Adjusting the Lift Arms
No Parts Required
Procedure
1.
Start the engine, raise the cutting units, and
ensure that the clearance between each lift arm
and the floor-plate bracket is 5 to 8 mm (0.18 to
0.32 inches) as shown in
g031571
Figure 11
Cutting units removed for clarity
1.
Floor-plate bracket
3.
Lift arm
2.
Clearance
If the clearance is not in this range, adjust
it as follows:
A.
Back off the stop bolts (
g031572
Figure 12
1.
Stop bolt
3.
Lift arm
2.
Clearance
B.
Back off the jam nut on the cylinder (
g031573
Figure 13
1.
Jam nut
2.
Front cylinder
C.
Remove the pin from the rod end and rotate
the clevis.
D.
Install the pin and check the clearance.
Note:
Repeat the procedure if required.
E.
Tighten the clevis jam nut.
2.
Ensure that the clearance between each lift arm
and stop bolt is 0.13 to 1.02 mm (0.005 to 0.040
inches) as shown in
Note:
If the clearance is not in this range, adjust
the stop bolts to attain the proper clearance.
3.
Start the engine, raise the cutting units, and
ensure that the clearance between the wear
strap on the top of the rear-cutting-unit wear bar
and the bumper strap is 0.51 to 2.54 mm (0.02
to 0.10 inches) as shown in
.
g031574
Figure 14
1.
Wear bar
2.
Bumper strap
If the clearance is not in this range, adjust
the rear cylinder as follows:
Note:
If the rear-lift arm clunks during transport,
you can reduce clearance.
A.
Lower the cutting units and back off the jam
nut on the cylinder (
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