TM 5-4930-244-14
4-24. GREASE CONTROL VALVES - REPLACE.
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Tools Required
Tool Kit, General Mechanic's: Automotive (Appendix B, Section III, Item 1).
Materials Required
Rags, wiping (Appendix E, Section II, Item 1).
Equipment Condition
Unit shut down and cool.
a.
Removal. (Refer to Figure 4-13).
WARNING
·
Compressed air may cause severe injury or death, if not used properly. Do not
disconnect air lines or components before first relieving the air-receiver tank.
(1)
Close ball valve (1) at end of air-receiver tank (2).
(2)
Vent pressure by opening valve (3) on reel cabinet assembly (4).
(3)
Vent pressure in lube pumps by opening ball valve on gear lube pump (Reference para. 2-9 f.).
NOTE
Care is needed when removing female swivels from grease valves, because grease
will come out from female swivels. A container and wiping rags will be required.
(4)
Loosen female swivel (5) and remove grease valve (6) with z-swivel (7) and bushing (8).
(5)
Remove z-swivel (7) and bushing (8) from grease valve (6). Repeat for other grease valve.
b.
Installation.
(1)
Connect z-swivel (7) and bushing (8) to grease valve (6).
(2)
Install grease valve (6) with z-swivel (7) and bushing (8) onto female swivel (5). Repeat for other grease
valve.
(3)
Close valve (3) on reel cabinet assembly (4).
(4)
Open ball valve (1) at end of air-receiver tank (2).
(5)
Close ball valve on gear lube pump. (Reference para. 2-7.f.).
4-44
