HP 7925D Service Manual page 49

7925
Maintenance
7311-48
Figure 2-4. Measuring Absolute Filter Air Pressure
e. Use a Q-tip to remove any old lubricant in the pack
lock that is not on the threads.
f. Apply the lubricant (part no. 6040-0084) to the pack
lock lubrication tool. The lubricant should be applied
to fill all the threads flush to the top of the thread.
(Refer to figure 2-5.) Use a Kimwipe tissue to remove all
excess lubricant from the threads. Use a Q-tip to
remove any lubricant from the clearance hole in the
pack lock lubrication tool.
g. While applying a slight upward pull on the tool, screw
the pack lock lubrication tool into and out of the pack
lock three times. Applying a slight upward pull in-
sures the lubricant is applied where it is needed.
h. Clean the lubricant from the pack lock lubrication
tool with a Kimwipe tissue.
1.
Use a Q-tip to remove any lubricant in the pack lock
that is not on the threads.
j.
Use a Q-tip to apply a light coat of lubricant on the top
of the release pin in the pack lock.
(1) Depress the pack lock and, using a Q-tip, apply a
thin coat oflubricant to the two inside surfaces of
the pack lock retainer that mate with the flats on
the pack lock.
(2) Release the pack lock and wipe off any excess
lubricant from the top of the pack lock.
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