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MTS Model 293-22 Hydraulic Service Manifold User Manual

Page 18

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Description

Name

Item

Viewing angle

Front View of the Control
Manifold

C

Reduces pressure and flow fluctuations resulting from changing
system demands.

Return Accumulator

1

Reduces pressure and flow fluctuations at the pilot pressure
port.

Pilot Pressure Accumulator
(optional)

2

Reduces pressure and flow fluctuations resulting from changing
system demands.

Pressure Accumulator

3

Indicates system hydraulic pressure.

Pressure Gage

4

Distributes hydraulic fluid between the HPU and up to two
control manifolds or a distribution manifold.

Main Manifold

5

Allows high-pressure hydraulic fluid to be output to the hydraulic
channel.

High-Pressure Solenoid Valve

6

Allows low-pressure hydraulic fluid to be output to the hydraulic
channel.

Low-Pressure Solenoid Valve

7

Distributes hydraulic fluid to and from a single hydraulic
channel. A hydraulic channel is usually associated with an

Control manifold

8

actuator and a servovalve. The control manifold also contains
a low-pressure solenoid valve, a high-pressure solenoid valve,
a main valve, a slow turn-on valve, and a pressure gage.

Fills to extend the pressure rise time and slowing the rate at
which the main control valve operates.

Slow Turn-On Accumulator

9

Sets the low-pressure output of the hydraulic channel.

Low-Pressure Adjustment

10

Filters the hydraulic fluid as it is input to the pilot pressure
circuit. The filter has a visual indicator to signal when the
element requires replacement.

Pilot Pressure Filter (optional)

11

Filters the hydraulic fluid as it is input to the main manifold. The
filter has a visual indicator to signal when the element is
requires replacement.

Main Filter

12

18 | Model 293.22 Hydraulic Service Manifold

Introduction