TM 9-2350-238-34-2
2-28. MAINTENANCE OF BOOM AND WINCH –CONTROL CYLINDERS AND AT-
TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY (CONT).
REASSEMBLY (CONT)
4 Install new packing (5) and two new pre-
formed packings (6) on hydraulic piston
(4) and lubricate with hydraulic fluid (item
10, appx B).
5 Lubricate cylinder bore in cylinder boom
barrel (7) with hydraulic fluid (item 10,
appx B).
6 Hold cylinder boom barrel (7) in vertical
position and power hydraulic piston (4) in-
to bore, using care not to damage new
preformed packings.
7 Install new packing (8) in boom cylinder
head (9).
8 Using arbor press and block with a 3.9-in,
(9.9-cm) diameter, install new seal (10) in
boom cylinder head (9).
2-92
Change 1
