4-88. Hydraulic Cylinder and Piston.
This task covers:
General Mechanics Automotive Tool Kit
Bay unfolded (para. 2-14).
(Item 1, Appendix B)
Grease, Automotive and Artillery (Item 2, Appendix E)
a. Test. (figure 4-114)
The following procedures are the same for both hydraulic cylinders.
(1) Open vent valve (1).
(2) Set pump control lever (2) to PUMP position.
(3) Pump handle (3) and ensure cylinder (4) extends freely.
(4) Close vent valve (1), and set pump control lever (2) to TRAFFIC and ensure cylinder(4) retracts handle (3)