TM 10-5410-228-24
3.9.11 Hydraulic Tubing/Hoses Replacement Continued.
(5)
Remove three screws (6), three flat washers (7), three lockwashers (8) and three nuts (9)
securing bracket (10) to ECU. Discard three lockwashers (8).
(6)
Remove brackets (11 and 12).
b. Installation (Refer to Figure 3-16)
Ensure that O-ring is seated and retained properly. During installation, fitting threads can
damage O-ring causing leaks to occur.
(1)
Secure bracket (10) to ECU with three screws (6), three flat washers (7), three new lockwashers
(8) and three nuts (9).
(2)
Check fitting and hose assembly sealing surface and groove for damage or material build up.
(3)
Install new O-ring on fitting, plug or elbow. Ensure that O-ring is seated and retained properly.
(4)
Lubricate O-ring with light coating of hydraulic fluid.
(5)
Install fitting or plug on component, finger tight. Tighten plug to the appropriate torque. Refer
to the following table for appropriate plug torque.
SAE Straight Thread O-ring Plugs
(Steel)
Hollow Hex Head Plug (HP50N)
Assembly Torque
Fitting
SAE Port
Size
Thread Size
in.-lb
ft-lb
35 5
3 0.5
2
5/16 - 24
135 10
11 1
4
7/16 - 20
220 10
18 1
6
9/16 - 18
550 20
46 2
8
3/4 - 16
(6)
Install new O-ring on hose assembly. Ensure that O-ring is seated and retained properly.
(7)
Lubricate O-ring with light coating of hydraulic fluid.
(8)
Install hose assembly on fitting, finger tight.
(9)
Tighten nut on hose assembly to the appropriate torque.
(10) Adjust fitting, as required, to meet hose assembly. Tighten fitting to the appropriate torque.
Wear gloves when working with sealers. Use in well ventilated area. Avoid prolonged contact
with skin.
(11) Apply sealer to all bulkhead fittings prior to installation.
(12) Install straight thread fitting on component port until finger tight. Tighten to the appropriate
torque. Refer to the following table for appropriate torque.
3-76
