TM 5-3810-306-34
Section III. TURNTABLE MAINTENANCE
SWIVEL INSTALLATION
TOOLS:
Shop Equipment Auto-Maintenance and Repair, FM Suppl No. 1
Tool Outfit Hyd System; Test and Repair, 3/4 Ton Trailer Mtd
SUPPLIES:
Preformed packing (Item 117, Appendix B (3 Required)
Preformed packing (Item 118, Appendix B (6 Required)
Preformed packing (Item 15, Appendix B (2 Required)
EQUIPMENT CONDITIONS:
Negative battery cable disconnected at shunt.
(Refer to TM 5-3810-306-20.)
Outriggers fully extended and lowered.
(Refer to TM 5-3810-306-10.)
Boom over front and elevated for access to swivel.
(Refer to TM 5-3810-306-10.)
Air system purged. (Refer to TM 5-3810-306-20.)
All hydraulic systems shutdown and pressure relieved in
lines. (Refer to TM 5-3810-306-20.)
REMOVAL:
1. SUPPORT BOOM.
NOTE
This blocking is to add extra
support for the boom. Any
seepage or leakage in the
holding valve or internally in
the cylinder will allow the
boom to settle over a period
of time.
a. Measure the distance from the top of the lift
cylinders to the base of the boom section where
the lift cylinder attaches. Cut a piece of 4 x 4-in.
(10.16 x 10.16 cm) oak to fit.
15-70