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TM 5-2420-222-20-3
BOOM-TO-BUCKET CYLINDER OIL LINES (SERIAL NUMBERS 319995 THRU 342573 ONLY) - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL - CONTINUED
NOTE
If removing boom-to-rod end bucket cylinder oil line, skip step 17.
17. Tube (1)
Male nipple (2)
a.
Using 7/8-inch and 1 1/16-inch open-
end wrenches, unscrew and take off.
b.
Get rid of drained fluid (page 2-137).
NOTE
If removing boom-to-head end bucket cylinder oil line, skip step 18.
18. Adapter (3)
Quick coupler (4)
a.
Using 1-inch and 1 1/16-inch open-end
wrenches, unscrew and take off.
b.
Get rid of drained fluid (page 2-137).
NOTE
Bucket cylinder must be disconnected to remove head end tube and connector or rod end
adapter. Do not remove these parts unless inspection shows need for replacement. If these parts
are not being removed, skip steps 19 thru 21.
19. Dipperstick (5)
Screw (7) and stop
a.
Using 3/4-inch, 1/2-inch drive socket,
and pin (6)
nut (8)
ratchet handle, and 3/4-inch open-end
wrench, unscrew and take apart.
b.
Get rid of stop nut (8).
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.
20. Dipperstick (5)
Pin (6)
a.
Using 200-pound capacity lifting
and bucket
equipment, support cylinder (9).
cylinder (9)
b.
Using 3/4-inch brass-tipped driftpin
and 2-pound head ball-peen hammer,
drive out.
2-1612
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