TCH.1C-27J-2-29JG
1-2.2
HOSES (Cont'd)
CAUTION
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To avoid foreign material entering the
hydraulic system, open ends of hoses
must remain capped until immediately
before they are reconnected to the rest of
the system. Whenever a hose is
disconnected, the open ends must be
immediately sealed with plugs or caps.
The use of rags or natural rubber plugs is
not permitted.
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1-2.3
TUBE NAMEPLATES
1.In addition to the part number, registration number
and modification number, hydraulic tubing must also
be identified by means of nameplate on which the
application of the tube is written. Flexible hoses do not
normally require the use of nameplates. When a tube
is replaced, the nameplate of the same number
should be affixed in the same position on the new
tube. The rules contained in (refer to manual
Table 1-1. Hydraulic fittings torque values
PIPE OUTSIDE
DIAMETER
PIPE THICKNESS
TIGHTENING TORQUE
min
max
mm
in
mm
in
mkg
in lb
mkg
in lb
21-6-9 (SAE AMS 5561F) STEEL TUBES
4.76
3/16
0.41
0.016
1.04
90
1.26
110
4.76
3/16
0.51
0.020
1.04
90
1.26
110
6.35
1/4
0.41
0.016
1.26
110
1.61
140
6.35
1/4
0.51
0.020
1.26
110
1.61
140
(Cont'd)
1-8