TM 5-2420-224-20-2
BACKHOE SWING TOWER REPLACEMENT (CONT)
1.
2.
3.
4.
5.
6.
7.
I N S T A L L A T I ON
IF REMOVED, INSTALL new lubrication FITTING (16).
INSTALL swing TOWER (15), spacer (14), pin (13), and nut (12).
IF REMOVED, INSTALL new lubrication FITTING (11).
INSTALL shim (10), PIN (9), washer (8), capscrew (7), and new lock nut (6).
INSTALL BOOM and DIPPER assemblies (5), two pins (4), two washers (3), two edge washers (2),
and two capscrews (1).
APPLY light COAT of LUBRICATING OIL to eight BUSHINGS (17).
INSTALL eight BUSHINGS (17).
NOTE
Follow-on Maintenance:
Install backhoe control valve, boom section hydraulic lines and fittings (page 4-612).
Install backhoe dipper cylinder hydraulic lines and fittings (page 4-614).
Install backhoe control valve, bucket section hydraulic lines and fittings (page 4-618).
Install backhoe boom cylinders (page 4-658).
Install backhoe swing cylinders (page 4-660).
Check rear hydraulic tank (LO 5-2420-224-12).
4-773
