Figure 4-18. Steering Cylinder Assembly (Sheet 2 of 2) .

TM55-1730-228-13&P

4-16.

STEERING CYLINDER - REPAIR (Continued)

4-16

CAUTION

Do not slide the head assembly all the way to the clevis. Leave 5 6 inches (12-15 cm) of rod

between head and clevis. Allowing head to touch clevis may damage the rod wiper.

(5) Lubricate inside bore of cylinder head (9) and rod wiper (15) with clean hydraulic oil. Carefully

slide the gland assembly onto the rod so that rod wiper faces clevis (15).

(6) Install new preformed packing (10) inside piston (5).

Figure 4-18 .

Steering Cylinder Assembly (Sheet 2 of 2) .

NOTE

The backup rings must be placed on each side of the preformed packing on the outside diameter

of the piston.

(7) Install new preformed packing (8) and backup ring (6) on piston (5).

(8) Lubricate inside bore of piston with clean hydraulic oil. Carefully slide piston assembly on rod so

that backup ring (7) is closest to the head assembly.

(9) Lubricate inner bore of tube (2) thoroughly with clean hydraulic oil. Carefully install rod and piston

assembly in bore of tube. Align the piston with bore, check that piston is aligned to tube and

push straight in. Use the same procedure to install the head assembly in tube. Push head in

until retaining ring groove can be seen.

(10) Install nut (3).

(11) Install retaining ring (1).

(12) Plug the cylinder ports to prevent foreign matter from entering.

END OF TASK

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