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TM 5-2420-222-20-3
BACKHOE SWING CYLINDERS - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
NOTE
Swing cylinder elbows have different hose fittings for right and left cylinders. Do not mix parts.
41.
Swing
Elbow (2) with
a.
Unplug cylinder (1).
cylinder (1)
assembled parts
b.
Take off tag.
c.
Screw in to same relative position as
noted during disassembly using 7/8-
inch open-end wrench.
42.
Elbow (2) and
Nut (3)
Using two 7/8-inch open-end wrenches,
swing cylinder (1)
tighten until snug against cylinder (1).
43.
Elbow (4)
Nut (5)
Screw on all the way.
44.
New packing (6)
Place into position.
45.
Swing
Elbow (4) with
a.
Unplug cylinder (1).
cylinder (1)
assembled parts
b.
Take off tag.
c.
Screw in to same relative position as
noted during disassembly using 5/8-
open-end wrench.
46.
Elbow (4) and
Nut (5)
Using 5/8-inch and 11/16-inch open-end
swing cylinder (1)
wrenches, tighten until snug against
cylinder (1).
47.
Swing
Two grease
Screw in and tighten using 7/16-inch
cylinder (1)
fittings (7)
open-end wrench.
48.
Grease fitting (8)
Screw in and tighten using 5/16-inch
open-end wrench.
INSTALLATION
WARNING
Some parts are heavy. Be careful when handling them. Lifting equipment is needed when parts
weigh over 50 pounds (23 kg) for a single person lift, over 100 pounds (45 kg) for a two person lift,
and over 150 pounds (68 kg) for a three or more person lift. Do not try to handle heavy parts
without lifting equipment. Keep clear of heavy parts supported only by lifting equipment. Failure
to observe this precaution could cause serious injury or death of personnel.
2-1718
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