Connecting/Disconnecting Hydraulic Hoses - jcb 540-170 Service Manual

Connecting/Disconnecting Hydraulic Hoses

Introduction
The following paragraphs describe how to connect and
disconnect hydraulic hoses safely.
Connecting the Hoses
1 Connect the hoses.
a For Quick Release Couplings refer to the correct
K Quick Release Couplings ( T 2-2-9)
data.
b For all other hose connections, use correct tools
and ensure that connections are not cross-
threaded. Support the weight of the hose until the
connection is made. Do not exceed the
recommended torque loading.
!M
WARNING
Fluid Under Pressure
Fine jets of fluid at high pressure can penetrate the
skin. Keep face and hands well clear of fluid under
pressure and wear protective glasses and gloves.
Hold a piece of cardboard close to suspected leaks
and then inspect the cardboard for signs of fluid. If
fluid penetrates your
immediately.
INT-3-1-10_3
2 Check for leaks as follows:
a Start the engine.
b Operate the controls to pressurise the required
hose.
c Switch off the engine. Remove the starter key.
Check for signs of leakage at the hose
connections.
Disconnecting the Hoses
1 Vent the hydraulic pressure as described on this
page.
2 Disconnect the hoses.
2-2-8
skin, get medical help
9803/3750-05 (2-02-01)
Section 2-2 - Care and Safety
Connecting/Disconnecting Hydraulic Hoses
a For Quick Release Couplings see the procedures
in this section.
Couplings ( T 2-2-9)
b For all other hose connections, plug both sides of
the connection to prevent loss of fluid.
3 Check for leaks. See step 2,
Hoses ( T 2-2-8)
General Procedures
K Quick
Release
K Connecting the
2-2-8