HYDRAULIC SYSTEM TMS800E SERVICE MANUAL
2-22
Published 01-29-2014, Control # 496-00
VALVES
General
This subsection provides descriptive information for all the
hydraulic valves used on this crane. For a listing of all valves,
the circuit they are used in, and their physical location, refer
to the Valve Usage Table. Refer to Figure 2-13 for valve
locations. The description of each valve given here is for the
valve itself. For information on how each valve functions in
the individual circuits, refer to the description and operation
procedures of that circuit.
Table 2-1
Valve Usage Table
Valve Name Circuit Used In Physical Location
Directional Control Valves Boom Lift/Telescope/Hoist(s)
Swing
Counterweight Removal/Cab Tilt
Superstructure right side
Superstructure right side
Superstructure under main hoists
Holding Valves Boom lift
Telescope (2)
Counterweight removal (2)
Lift cylinder (bolt on manifold)
Telescope cylinder (cartridge style)
Removal cylinder (cartridge style)
Hoist Motor Control Valve (1 of 2) Hoist(s) Both hoists (see Hoist Section)
Check Valves (2) Return circuit
Return circuit
One on swing outlet
One in parallel with oil cooler
Outrigger Selector Valve Outrigger Center of carrier frame in bearing
area
Outrigger Control Manifold (2) Outriggers 4 stack on rear outrigger box; 5 stack
on front outrigger box
Pilot Operated Check Valve Outrigger Port block of each stabilizer cylinder
(4)
Accessory Manifold w/ Swing
Directional Valve
Swing Right side of turntable
Front Center Stabilizer Relief Valve Outrigger Front outrigger box under right frame
rail
Motor Control Manifold Hydraulic Oil Cooler/Superstructure Air
Conditioner
Center of Carrier Frame
Needle Valve (2) Trailing boom option Boom lift cylinder
Flow Control Valve Trailing boom option Boom lift cylinder
Charge air cooler control manifold Charge air cooler Inside left front frame wall above
transmission
Reference Only
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