Manitowoc Grove TMS700E Service And Maintenance Manual page 74

HYDRAULIC SYSTEM
CAUTION
Do not damage the O-rings during installation of the
holding valve. If the holding valve turns freely then gets
hard to turn, then easy to turn; remove the holding valve
and check the O-rings. They have probably been
damaged by a sharp edge of a port.
3
2-42
2
1
6
6139-2
6
4
Item
1 Cylinder Port
2 Gauge Port
3 Drain
4 Valve Port
5 Pilot
6 Thermal Relief
Published 01-29-2015, Control # 512-01
TMS700E SERVICE MANUAL
NOTE: The holding valve should turn by hand until
compression of the O-rings begins.
4. Carefully install the holding valve into the port block until
fully seated.
5. Test the check valve and port block by operating the lift
cylinder and/or the telescope cylinder, as applicable.
Verify lift cylinder and/or telescope cylinder works
without problems; verify there is no leaking. Make
repairs as needed.
3
5
5
2
Description
4
1
6139-1
FIGURE 2-30