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PAGE 62 — MAYCO LS600 PUMP — OPERATION AND PARTS MANUAL — REV. #4 (9/15/11)
The hydraulic troubleshooting procedures listed below are intended for use by individuals equipped with the
proper tools and equipment and are familiar with hydraulic systems and safe shop practices. Use the Pump
Troubleshooting Table (Table 8) to identify possible causes for the pump’s malfunction. Contact the Multiquip
Service department for the proper repair procedure.
LS600 PUMP — TROUBLESHOOTING (PUMP)
GNITOOHSELBUORTPMUP.9ELBAT
melborPmelborPelbissoPtoohselbuorToT
lliwrednilyCciluardyHniaM
elcycton
gnitarepOmetsyStcerrocnI
erusserP
yf
ireV.egagerusserppmupehtkcehC
ISP0044.xorppasiti
gnittesMPRenignEtcerrocnI
sideepsMPRhgihs'enigneehtyfir
eV
0552ottes
evlaVfeileRniaMdetanimatnoC
detanimatnocarofdlofinamehtkcehC
evlaVfeileR
srednilyClairetaMdet
curtsbO
)lairetamdeird(snoitcurtsborofkcehc
srednilycehtedisni
lliwselddaPximeRreppoH
etatorton
lortnoClan
oitceriDtcerrocnI
erusserPgnitarepO
gnitarepolortnoClanoitceriDehtyfireV
ISP0001.xorppasierusserp
evlaVfe
ileRdetanimatnoC
detanimatnocarofdlofinamehtkcehC
evlaVfeileR
yeKrelpuoCtfahSnekorB
tfahsreximeRreppoHeht
kcehC
yeknekorbarofrelpuoc
ralloCteSgniniateRtfahSesooL
ralloCteSgniniateRtfahSehtkcehC
ssenthgitrof
DO NOT open hydraulic lines or loosen hydraulic
fittings while the engine is running! Hydraulic fluid
under pressure can penetrate the skin, blind,
cause burns or create other potentially dangerous
hazards.
WARNING - HYDRAULIC SYSTEM HAZARD
During routine maintenance or removing material
blockage, you will be required to put your hand in the
concrete cylinders or near the shuttle tube. You are at
EXTREME RISK
of injury or
AMPUTATION
if the
engine is running or if pressure is in the hydraulic
system.
Prior to performing any maintenance on the pump,
follow described lock out-tag out procedures. Stop the
engine by turning off the ignition switch and remove
the starter key. Place a “DO NOT OPERATE” tag
over the switch and disconnect the battery. The
pressure reading on the
accumulator pressure
gauge
MUST
read
ZERO. ALWAYS make
sure the accumulator
circuit pressure reads
zero prior to performing any maintenance on the pump.
DANGER - AMPUTATION RISK