TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 105 of 327

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