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TM 5-2420-222-20-3
BACKHOE SWING CYLINDERS - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSTALLATION - CONTINUED
66.
Special
Hose (2)
a.
Take off tag.
adapter (1)
b.
Unplug adapter.
c.
Uncap.
d.
Screw in and tighten using 1 1/8-inch
and 1 1/4-inch open-end wrenches.
67
Swing frame (3)
Pin (6 or 7)
Using 2-pound head ball-peen hammer and
and swing
wood block, tap in.
cylinder (4 or 5)
NOTE
Some swing cylinders have linkage pins retained by cotter pins, some have pins retained by
retaining rings. For swing cylinders equipped with retaining rings, skip steps 68 and 69.
68.
Swing frame (3)
Pin (6 or 7)
Using 2-pound head ball-peen hammer and
and swing
wood block, tap in.
cylinder (4 or 5)
69.
Swing frame (3)
Two washers (8)
Place in position.
and pin (6)
70.
Pin (6) and two
Two new cotter
a.
Push in.
washers (8)
pins (9)
b.
Using multiple tongue and groove slip-
joint pliers, bend ends back.
NOTE
For swing cylinders equipped with cotter pins, skip step 71.
71.
Swing frame (3)
Two new rings (10)
Using retaining ring pliers, put on.
and pin (7)
NOTE
If installing left swing cylinder, skip steps 72 and 73.
72.
Elbow (11)
Hose (12)
a.
Takeoff tag.
b.
Uncap.
c.
Screw in and tighten using 11/16-inch
and 7/8-inch open-end wrenches.
2-1722
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