5
BA201
Step 1
CAUTION!
Risk of burns to exposed skin.
Hydraulic oil becomes hot during
operation. Hoses, lines, and other
parts become hot as well. Wait for
the oil and components to cool
before starting any maintenance or
inspection work.
W028
•
Disconnect the four hydraulic lines from the quick
disconnects on the dipper boom. To prevent fluid
contamination, wrap the ends with a clean cloth or install
connector covers.
Fig. 2 –
Quick Disconnects on Dipper Boom
Step 2
•
Remove the four hose clamps (two per side) to free up the
grapple hydraulic lines.
Fig. 3 –
Hose Clamps
Step 3
•
On the grapple pivot, remove the nut from the pivot pin.
Gently drive the pin out of the pivot. Move the grapple pivot
out of the boom nose.
•
Reassemble the pin and nut to the grapple pivot. (Make
sure the two bushings remain inside.)
Fig. 4 –
Grapple Pivot Pin
•
Set the complete grapple assembly aside. Coil up the
hydraulic hoses.
Step 4
1.
Install
3011C107
Bucket Hydraulic Cylinder (1). Line up
the cylinder end bushing to the cylinder attach point on the
dipper arm.
•
Insert
3011M110
pin (3). Secure with
Z71120
1/4"NC x 2"
Hex bolt (11) and
Z72211
Hex Locknut (12).
1
3
12
11
Fig. 5 –
Install Bucket Cylinder
Summary of Contents for BA201
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