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Reelmaster 7000Hydraulic System Page 4 -- 6
Hydraulic Hoses
Hydraulic hoses aresubject to extreme conditions such
as pressure differentials during operation and exposure
to weather, sun, chemicals, very warm storage condi-
tionsor mishandlingduring operationand maintenance.
These conditions can cause hose damage and deterio-
ration. Some hoses are more susceptible to these
conditions than others. Inspect all machine hydraulic
hoses frequently for signs of deterioration or damage:
Hard, cracked, cut, abraded, charred, leaking or
otherwise damaged hose.
Kinked, crushed, flattened or twisted hose.
Blistered, soft, degraded or loose hose cover.
Cracked, damaged or badly corroded hose fittings.
When replacing a hydraulic hose, be sure that the hose
is straight (not twisted) before tightening the fittings.
This can be done by observing the imprint (layline) on
the hose. Use two wrenches; hold thehose straight with
one wrench and tighten the hose swivel nut onto the fit-
ting with the other wrench (See Hydraulic Hose and
Tube Installation in this section). If the hose has an el-
bow atone end,tighten theswivel nut onthat endbefore
tightening the nut on the straight end of the hose.
For additional hydraulic hose information, refer to Toro
Service Training Book, H ydraulic Hose Servicing (Part
Number 94813SL).
WARNING
Before disconnecting or performing any work on
hydraulic system, relieve all pressure in system
(see Relieving Hydraulic System Pressure in this
section).
Keepbodyandhandsaway frompinholeleaksor
nozzles that eject hydraulic fluid under high
pressure. Use paper or cardboard, not hands, to
search for leaks. Hydraulic fluid escaping under
pressure can have sufficient f orce to penetrate
the skin and cause serious injury. If fluid is in-
jected into the skin, it must be surgically re-
moved within a few hours by a doctor familiar
withthis typeof injury. Gangrenemay resultfrom
such an injury.