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 TM 55-1905-223-24-2
WARNING
The oil cooler is very heavy. Make sure the proper lifting devices are used and that a lifting
sling is securely attached to the cooler to prevent injury to personnel.
c.
Attach a lifting sling to the cooler. Take up slack.
d. Remove two bolts (19) securing each of the two cooler mounting brackets (20) to the gearbox.
e. Loosen the input and output oil lines (1 and 2, FIGURE 2-2) for freedom of motion to remove oil cooler.
f.
Swing the cooler away from the gear ox and lower to the deck.
b
DISASSEMBLY
a. Remove the eight nuts (22) from the studs (17).
b. Remove cover (15) and gasket (14).
c.
Remove the open-end cover (16) and related gaskets (11, 12).
CAUTION
Make a scribe mark on the retainer only, not on the tube bundle surface. Scraping
the tube walls may weaken the metal and lead to leakage.
d. Scribe a mark on the end of the retainer on the tube bundle (18).
e. Scribe a matching mark on the tube bundle casing (23).
NOTE
The scribe marks will aid in proper assembly.
f.
Remove the six dome nuts (1) and six washers (27) from the stud (24).
g. Remove the eight hex bolts (2) and nuts (9).
h. Remove the cover (26).
i.
Remove the rear support ring (25) and gaskets (3, 4).
j.
Remove the plugs (10) and (21) from the casing (23).
2-25
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