TM-5-2350-377-14-P
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) SUPPORTING THE HYDRAULIC BLADE FOLDER-TRACK TENSIONER (HBF-TT)
TM-5-2350-377-14-P - Page 53 of 335
TM 5-2350-377-14&P
GENERAL HYDRAULIC SYSTEM REPAIR METHODS - continued
d. While installing the packing, always protect it from cuts or nicks.
Do not install packing directly over threads.
If
available, install packing over the plastic or rubber thread guard that is supplied with new fittings.
If no thread guard
is available, protect the packing by wrapping the fitting threads with heavy, smooth, lint-free paper.
See the
illustrations below.
e. If a backup washer is used with the packing, it must be free of cuts, nicks, and distortion.
An unserviceable backup
washer can cause the packing to distort or rupture when hydraulic pressure is applied and result in a serious oil leak.
f.
After the packing is installed, inspect it for damage and replace it again if necessary.
Also, ensure it is not twisted
or distorted.
INSTALLATION OF ADJUSTABLE FITTINGS
a. Lubricate packing (O-ring) (1) with light oil (OE/HDO-10) (Item 15, WP 0055 00).
0008 00-12
0008 00
CORRECT METHOD
INCORRECT METHOD
PACKING GOES HERE
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