Landa ENG4-2000 Operator's Manual
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OPERATOR'S MANUAL
 ENG4-2000
 ENG5-2300
 ENG8-3200
®
For technical assistance or the dealer nearest you,
 ENG4-2200
 ENG5-3000
 ENG10-3000
consult our web page at www.landa.com
ENG
 ENG4-3000
 ENG6-3200
UN
E
O I
ON
S OU
PL
ILIS
ATI
RE
EM
NT
UT
ES
SU
D'
AVA
DE
S BL
ent
DE
TEU
R
ER
S.
tem
t)
M O
PE
RA
CA
US
IEL
e cor
rec
éch
éan
le
L'O
PE
UT
MA
TÉR
F".
pris
cas
sur
i-
EL
DE
ON
AG
ES
n "OF
à une
re
(le
iqu
ées
que
util
MA
NU
ILIS
ATI
MM
itio
que
e de
ter
i ind
à cha
d
E
LE
E
UT
DO
en
pos
ctri
fuit
d'e
ssa
rac
cor
LIR
UV
AIS
urs
n éle
ur
de
et
et
tes
au
MA
rru
pte
ent
atio
cte
lisa
tion
itia
lisé
e rigi
de
s les
inte
c d'a
lim
dis
jon
itia
e réin
tub
pe
en
tou
blo
tez
s de
le
réin
t êtr
t et
le
la
pom
O N
IÓN
ttez
z le
Tes
ure
ur
doi
pis
tole
r de
lleu
se
CI
ER
AC
S
1.
Me
nne
cte
ter
re.
céd
cte
le
l'ea
u.
teu
La
vei
sur
RA
OP
O
DA
ÑO
2.
Co
e à
la
des
pro
dis
jon
ssi
on,
ler
ter
rup
".
r est
mis
O PE
SE
. LA
ES
mis
de
ur.
Le
te
pre
es
cou
ttez
l'in
n "ON
leu
rég
lez
S DE
US
AR
ON
AL
ad-
à l'ai
jon
cte
à hau
et
fait
Me
pos
itio
r du
brû
" et
DE
PE
RS
mo
do
CI
dis
ion
.
tuy
au
à eau
me
nt.
en
teu
"ON
IO
NE
AN
TES
ION
ES
.
AD
O).
ra
de
rra
(GF
y
sat
le
au
fer
me
gaz
ter
rup
leu
r sur
CC
IÓN
LES
AD
ES
AG
a tier
a a
Tie
rein
icio
e a
Fix
ez
tie.
z le
e rigi
tuy
de
ine
t de
l'in
brû
RU
ER
ION
AC
AR
OP
IED
F"
(AP
ado
rdid
de
ers
3.
de
sor
cte
tub
rob
lors
que
r du
.
ST
DE
OP
AS
S PR
n "OF
con
ect
de
ent
os
y pon
r-
Co
nne
le
".
ton
du
ent
rup
.
teu
age
IN
AL
ED
E OC
A
LA
ició
nte
nte
ced
imi
icia
rse
tom
aco
4.
Ten
ez
n "ON
bou
atiq
uem
l'in
ter
lue
net
toy
le
MA
A
NU
PU
la
pos
rrie
Co
rrie
pro
e rein
del
5.
pos
itio
z le
om
ttez
re
vou
z le
ute
s,
EL
CU
AD
res
en
tom
o por
aco
nte
los
deb
pla
dor
n
Tou
rne
e aut
u,
pér
me
atu
me
nce
à 3
min
LEA
DE
pto
a a
un
nad
dia
GF
CI
aco
pos
ició
6.
s'a
llum
r l'ea
à la
tem
com
"OF
F".
t 2
INA
inte
rru
rgí
r Ac
cio
) me
o.
El
illa
al
la
I-
"ON
".
cha
uffe
at
ent
et
rinc
ez.
r sur
dan
tèm
e.
.
os
los
de
ene
pto
hub
iera
pos
itiv
y var
e.
ba
en
CE
ND
Po
ur
rm
ost
erg
:
et
brû
leu
u pen
F".
sys
NS
INE
tod
nte
Inte
rru
) (si
dis
tola
a la
llav
bom
" (EN
ien
da.
"
7.
le
the
z le
dét
toy
age
erg
ent
r du
r l'ea
"OF
on
du
IO
MA
CH
Y
OR
loq
ue
la
fue
el
Ing
lés
dic
ho
n,
pis
abr
r de
la
n "ON
se
enc
n "ON
Ac
tive
le
net
z le
dét
teu
éva
iss
cue
e.
pe
sur
pre
ssi
RU
CT
NG
INJ
UR
1.
Co
nec
. Pru
te
ebe
en
en
use
.
pre
sió
a y
pto
ició
dor
ició
8.
rès
upe
ter
rup
chi
ne
roid
pom
la
ST
ER
ON
ATI
AL
2.
Co
ado
sig
las
ora
dos
se
alta
de
inte
agu
rru
la
pos
que
ma
la
pos
9.
Ap
Co
ttez
z la
l'in
ma
ine
r de
ref
la
r réd
uire
IN
RE
PE
OP
RS
ecu
sus
inc
orp
a vez
que
de
inis
tro
ue
el
en
el
dor
a.
en
A.
Me
sse
la
bob
teu
t pou
IN
G
BE
FO
LT
IN
.
Tes
t
por
eba
ngu
era
sum
loq
a de
gas
e cua
ndo
ma
ead
B.
Lai
que
ter
rup
tole
AT
NU
AL
SU
MA
GE
let.
ure
s
pru
eba
cad
ma
la
de
illa
. Co
vul
ent
r del
que
ra
des
C.
ps
l'in
le
pis
ER
MA
MA
Y
RE
TY
DA
n.
ed
out
ced
and
pru
re
ngu
la
era
var
la
vál
am
pto
atu
O).
tem
Me
ttez
nez
u.
OP
ATI
NG
ON
ER
itio
und
t pro
res
et
egu
As
te.
la
ma
).
l de
om
inte
átic
tem
rru
per
za.
AD
se
D.
Ac
tion
z l'ea
OP
ER
ER
ATI
PR
OP
F"
pos
ly
gro
and
st
tes
be
out
-
3.
rien
te
IDO
con
tro
aut
e el
a la
pie
(AP
a que
AG
E.
Co
upe
Us
e
AD
R
OP
"OF
pro
res
per
et
mu
to
Co
nec
CE
illa
ND
end
de
erá
oqu
sta
to
la
lim
F"
s par
F.
fue
go
RE
RO
PE
the
in
to
the
e GF
CI
wa
nd
4.
Su
jete
" (EN
per
enc
a,
ter
col
mo
a con
n "OF
uto
AD
O).
OS
ION
de
el
ie
IMP
itch
es
sup
ply
usi
ng
. Th
and
n.
5.
"ON
ue
to
la
se
el
agu
ste
el
ced
pos
ició
3 min
AG
PL
don
No
roc
all
sw
er
ed)
dev
ice
ff gun
" pos
itio
t
Co
). El
loq
pilo
ent
) y
ar
aju
e y
pro
ue.
en
la
2 ó
F"
(AP
DE
EX
áre
as
ido
s.
lise
r
ce
ct
pow
equ
ipp
CI
shu
t-o
wa
"ON
ter.
t wil
l ligh
6.
DO
de
cal
IDO
erg
ent
enj
uag
dor
a por
n "OF
a.
SG
O
to
n per
en
mit
Uti
est
s
1.
Pla
nne
CI
(if
the
use
GF
.
e,
n on
the
Pilo
A
ND
det
pia
r:
e y
que
ma
agu
ició
tem
RIE
duc
N
nue
ide
Co
2.
GF
on
ry
re
hos
tur
itch
in
itio
n.
".
n and
7.
(EN
nda
CE
el
lim
erg
ent
r del
car
gue
la
pos
n del
sis
el
pro
a sea
LO
SIO
de
liqu
the
ed
vid
wit
h pre
h eve
ssu
e and
p sw
" pos
" pos
"ON
itio
En
cie
és
e el
de
det
rru
pto
des
ba
en
sió
N G
o llam
ido
s
XP
une
oris
er
pro
ted
e hig
ply
hos
pum
"ON
tur
ned
"ON
8.
De
spu
agu
inte
qui
na
bom
la
pre
on
ly
liqu
E D'E
s où
vap
tes
cur
sup
Pla
ce
b to
itch
is
in
the
9.
Ap
nga
el
la
r de
a aliv
la
iar
te
RIS
QU
roit
pas
Se
3.
wa
ter
tro
l kno
sw
itch
atu
re.
ng.
A.
Po
que
je
pen
tín.
pto
par
a.
N I
Op
era
aux
end
e.
Ne
let
nne
ct
nd
con
bur
ner
ner
sw
per
h cle
ani
B.
De
el
ser
inte
rru
tola
de
agu
N T
K
OF
IO
N.
per
mis
NT
ES
Co
4.
sp
wa
val
ve
wh
en
bur
ired
tem
d wit
s to
C.
ríe
el
la
pis
tro
M E
RIS
OS
itte
d.
LIE
áre
as
za.
Gra
5.
n gas
ally
pla
ce
des
cee
n.
ute
enf
Po
sio
nga
ne
sum
inis
S E
EX
PL
op
en
pe
rm
ES
CA
e las
lan
Tur
6.
om
t wa
atic
ter,
to
at
pro
pos
itio
min
D.
Pre
el
A R
TI S
ere
is
RF
ICI
ent
y la
S —
aut
hea
rm
ost
ent
and
rins
e.
F"
for
2-3
E.
Cie
rre
E R
wh
tor
t sp
ch
ray
PE
e sol
am
gat
illo
DE
par
ties
To
ust
the
erg
and
the
"OF
wa
ter
n.
re.
F.
or
no
SU
Us
as
del
AU
les
tole
ts
7.
adj
n on
det
ng:
erg
ent
in
rge
itio
pre
ssu
/ AV
Do
ids
.
lad
ES
CH
ent
e pis
Tur
cle
ani
det
sw
dis
itch
cha
F"
pos
tem
W
N
liqu
HO
T
ais
RF
AC
r seu
lem
gné
Aft
8.
er
n off
bur
ne
ner
to
"OF
sys
C IO
Y—
US
E
SU
che
s des
poi
N
las
A.
9.
Tur
ce
chi
in
reli
the
eve
A U
UR
N
CA
Tou
lée
.
E CO
con
B.
Pla
w
ma
p sw
itch
to
E C
TE
S
R
OF
INJ
CA
ly
as
of
iso
lan
ces
MU
EV
nga
C.
Allo
l coi
l.
ger
gun
P R
AN
SE
K
ES
e on
are
et
SE
So
ste
-
coo
ce
pum
trig
ply
.
AC
DE
ION
BE
A-
RIS
RF
S —
AC
Us
ing
.
TO
LA
T RE
ins
.
D.
uee
Pla
ze
ter
sup
ER
O
ER
SU
RN
d gri
d wa
pp
nd
PIS
ES
IÓN
.
TO
LE
x ma
E.
Sq
wa
AL
OP
EQ
UIP
R
OP
BU
ne
n an
LA
PR
nos
PIS
ir à
deu
n off
NU
. ES
TE
E PO
TE
UR
IL
de
sig
gu
CK
LA
ma
EE
Ten
F.
Tur
EL
MA
SE
ME
NT
DO
S.
PE
RA
PA
RE
A-
sp
ray
BA
dos
PO
IGN
O
O-
LE
A
SO
AR
LA
ICA
L'O
T AP
S OP
ER
KS
s.
LA
US
SE
AC
IÓN
RS
anc
e
DE
US
S CA
O
LIF
EL
DE
CE
DE
N
KIC
ha
nd
PO
NE
TR
S A
PE
alc
K
US
AD
RE
NU
TIO
E PA
N.
R
Y GU
h bo
th
PE
RA
ra
del
E
E RIS
DO
LE
MA
ILI
SA
ILIS
RA
wit
O
DE
S SE
VE
se
fue
LIE
NT
CE
TH
AD
AL
E
T UT
UT
S.
SP
Ho
ld
SG
NE
nga
CA
ue
DU
Y RE
NU
LIR
AN
ET
RE
AL
IFIE
-
-
RIE
SIO
Ma
nté
AG
UA
No
toq
otr
as
RE
UR
'S
MA
FO
RE
DO
AV
IT
S QU
OS
CU
.
SE
NA
LE
S.
uill
a.
DE
a a
ir
TO
INJ
OR
Y BE
CH
INE
TE
UR
S OJ
ipo
E
OR
N
ON
S.
de
boq
AR
ES
GA
ION
agu
ten
OF
ER
AT
LL
MA
LY
BY
S.
E LO
e equ
CU
RIT
TIO
RS
SC
PR
del
S.
Se
A
OP
RE
. TH
FU
IS
ON
AT
OR
AS
re
est
SE
S
il.
EC
PE
o
DE
AL
TA
el
SU
RE
N
CA
ING
ED
ER
OT
EJ
se
ope
ES
DE
RT
EE
app
are
OF
INJ
Y TO
zzl
e.
—D
A
diri
ja
as.
BL
ES
ES
SIO
jet
le
US
BE
ED
US
OP
PR
DO
TT
PO
cet
K
INJ
UR
no
FL
UID
e
ni
son
E DE
US
PR
ger
TO
IFI
AN
LU
NE
ET
RE
rez
RIS
RE
ar
of
GE
ch
arg
per
QU
bus
es.
SO
pas
diri
.
QU
AL
DE
S
IVE
NT
s ope
VE
cle
AR
t dis
ec
RIS
des
AU
DE
Ne
son
nes
UR
Y—
E-
G
DO
que
vou
e el
Ke
ep
T DIS
CH
dir
.
loin
CH
IE
per
INJ
E
EY
HIN
lors
Us
ti-
ch
or
rso
ns
EA
U
SO
s des
RT
O N
K
OF
TIV
OT
IA.
ven
HO
t tou
at
pe
LA
au
ver
O SI
RIS
EC
D
CL
RN
.
AS
FIX
a de
r
no
ea
m
d'e
PL
de
s
PR
OT
AN
WO
g thi
s
DE
O
un
are
. Uti
lise
str
EX
il y
a
e.
WE
AR
BE
tin
SG
en
to
da.
XIE
é.
O U
D'
-m
ètr
s
ST
op
era
RIE
duc
ade
cua
HY
n aér
its
de
mi
ur
de
r
MU
en
.
pro
ión
E D'A
SP
bie
to
FE
U
dro
ns
un
l po
he
r ca
r
wh
ch
ine
lac
QU
end
roit
t on
ly
n-
DE
x en
da
pa
rei
nc
t su
ma
Us
e
RIS
s un
ec
all
co
ine
au
r) de
l'ap
s du
pla
mu
len
pe
lez
ne
IO
N.
dan
Co
nn
t. Ke
ep
Ke
ep
UE
ch
nc
he
r de
prè
ccu
z,
ap
ci
OF
K
IAT
nti
-
N.
tle
un
d.
an
d
l
RI
SQ
ce
e les
ma
pla
tou
rs
r et
r de
s'a
ga
ce
lui-
s.
e
RIS
YX
ll ve
OF
UT
IO
d ou
gro
l wir
ing
ctr
ica
ler
êm
au
od
e l'ai
eu
eu
z.
Si
en
die
ap
AS
PH
in
we
K
OC
un
de
d off
the
ica
m
ele
s ins
tal
(m
les
qu
e od
ga
s inc
so
up
e ou
on
ly
are
a.
RIS
EC
TR
gro
an
ctr
t fro
pa
tib
les
ag
e,
s lou
rds
un
ur
de
nt
de
r la
fon
r ou
ed
la
EL
pe
rly
dry
m
ele
nn
ec
Co
-
Ó N
Ne
mb
us
lum
z.
plu
tec
tez
sse
me
tou
e en
rne
Fo
rce
sio
n.
lat
te
de
pro
ns
ay
fro
Dis
co
g.
cua
do.
O SI
co
t l'al
de
z so
ga
nt
fou
rni
pa
rte
r ou
ut
êtr
e ex
plo
en
sco
ant
nec
es
ne
ctio
aw
ts.
rvi
cin
IÓN
ade
as
PL
Av
an
urs
ga
vo
tre
us
le
us
se
e ne
n
pe
un
ntr
ôle
. De
ctri
ca
sp
ray
on
en
e se
OC
UC
tac
to
nes
sec
es
EX
nte
se
nte
ins
r. Si
t vo
pe
ler
ur
po
ap
icie
ou
co
er.
e
ctri
cos
elé
te
co
mp
be
for
EC
TR
con
cio
pon
ent
O
iste
ce
rta
nc
tem
he
en
t, ap
ls po
so
up
tec
hn
feu
e
de
réa
llum
me
rgé
ci.
elé
rien
vic
io.
N
ave
c
pp
ly
e en
EL
un
con
nec
com
IO
o res
o.
ra
le
pla
dia
e join
r d'o
z. Si
uti
la
un
er
un
up
ap
de
im
r ce
lui-
cor
ser
E
CU
TIO
es
ent
.
su
O
DE
huf
las
roc
ie
ND
un
pis
nim
to
pa
o,
im
êtr
lise
ga
pe
ler
ca
us
r la
so
nt
a été
cte
.0
dar
QU
CT
RO
à des
lem
pris
e
-
SG
el
enc
tod
as
lo.
No
IN
CE
bre
18
" mi
ara
l pis
Si
pe
ut
s uti
du
in,
r pe
ap
ut
tes
ava
e pa
rtie
pe
990
RIS
LE
re
seu
t êtr
e sus
r
RIE
te
nga
sue
DE
o so
e de
de
l ap
de
air
e.
de
pa
ntr
ôle
la
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wa
rep
for
98015100-1
9.801-511.0

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  • Page 1 If kn it 5 s eq ll a . Wa e thi y ca siti t us . Im 98015100-1 ® For technical assistance or the dealer nearest you, consult our web page at www.landa.com 9.801-511.0...
  • Page 2: Identification Of Operational Label Symbols

    SYMBOLS Identification of Operational Label Symbols Burner Switch Pump Switch Hour Meter Steam Combination Detergent Voltage When the light is on, it means power supply is on Pilot Light When the light is on, it means there is power to the pilot control. If there is no light, see troubleshooting guide.
  • Page 3: Table Of Contents

    CONTENTS Identification of Operational Label Symbols Introduction & Safety Information Component Identification-All Models Installation ENG 4-2000, 4-2200, 4-3000, 5-2300, 5-3000 Installation ENG 6-3200, 8-3200, 10-3000 Installation 10-16 Assembly Instructions Operating Instructions Applying Detergent & General Washing Techniques Shutting Down & Cleanup Storage Troubleshooting 21-24...
  • Page 4: Introduction & Safety Information

    INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. 5. All installations must comply with local codes. We reserve the right to make changes at any time Contact your electrician, plumber, utility company without incurring any obligation. or the selling distributor for specific details.
  • Page 5: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNING: High pressure spray WARNING: Protect machine WARNING WARNING can cause paint chips or other from freezing. particles to become airborne 13. To keep machine in best and fly at high speeds. To avoid operating conditions, it is personal injury, eye, hand and important you protect machine foot safety devices must be...
  • Page 6 IMPORTANT SAFETY INFORMATION 22. Install optional LP gas regulator assembly, item Optional 9.802-633.0 or obtain a proper size regulator. Regulator Kit 9.802-633.0 23. Install this machine about 2 feet from wall to provide adequate ventilation and servicing space. t t l e This equipment incorporates parts such as snap switches or similar parts that tend to produce arcs or sparks.
  • Page 7: Component Identification-All Models

    COMPONENT IDENTIFICATION - ALL MODELS Gas Inlet located at Rear of Machine Pump/Burner High Exhaust Switches Pressure Collar Nozzle Spray Detergent Wand Valve Access S OU M PL ILIS T UT D ’E S BL éa L’O TÉ ”. éch s sur “O e pri...
  • Page 8: Installation Eng 4-2000, 4-2200, 4-3000, 5-2300, 5-3000

    INSTALLATION ENG 4-2000, 4-2200, 4-3000, 5-2300, 5-3000 Piping to Outside 24.50" Customer Supplied Draft Diverter 12.00" 19.50" 24.00" Dia. 36.00" Minimum 36.68" 4.00" Exhaust Out 10" Dia. 3/4" Gas Inlet Control Panel 48.54" High Pressure Out 3/8" QC Nipple Inlet Electrical 24.87"...
  • Page 9: Installation Eng 6-3200, 8-3200, 10-3000

    INSTALLATION ENG 6-3200, 8-3200, 10-3000 Piping to Outside 17.33" 34.79" Customer Supplied Draft Diverter 17.36" 19.50" 36" Minimum Exhaust Out 12" Dia. Control Panel 1" Gas Inlet High Pressure 61.00" Out 3/8" QC Nipple Inlet Electrical Connection 26.18" Water In 3/4"...
  • Page 10: Installation

    INSTALLATION Place machine in a convenient location providing ample Install a gas union in the gas line adjacent to and up- support, drainage and room for maintenance (pgs 8-9). stream from the control manifold and downstream from the manual main shut-off valve. A 1/8" NPT plugged Location: tapping accessible for test gauge connection shall be installed immediately upstream of the gas supply...
  • Page 11 INSTALLATION LP-Gas (Liquid petroleum gas or containers are equipped with a fixed liquid level gauge which contacts the liquid level at 80% of container ca- propane) pacity, allowing 20% for expansion. LP-gas containers LP-gas is gas compressed into liquid form for easy not equipped with a fixed liquid level gauge can only transportation and storage.
  • Page 12: Water Source

    INSTALLATION two inches from combustibles. Vents passing through combustion box and decreasing combustion efficiency. enclosed spaces and vents exposed to the weather The draft diverter can also help prevent back drafting should also be the double-wall type. Sometimes vents that can inhibit combustion. The draft diverter should have to be built of such great length that they come be installed a minimum of 36”...
  • Page 13 INSTALLATION Inspection and Testing Gas Piping: Testing has shown that simply adding a 36” stack extension to the flue adapter on top of the pressure The building structure should not be weakened by washer can reduce the outlet temperature by 5-10°F. installing the gas piping.
  • Page 14 INSTALLATION This process can also be used when turning down the firing rate for high altitude installations above 2000 ft. 1. Adjust the gas pressure down 4% for every 1000 ft of elevation. Example: Recommended firing rate for a 4.8@3000 is 4.2 wc-in.
  • Page 15: For Your Safety

    INSTALLATION START-UP FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: Read and follow WARNING WARNING instructions carefully when If you do not follow these instructions exactly, a fire or installing or servicing machine. explosion may result, causing property damage, per- Failure to do so may result in sonal injury or loss of life.
  • Page 16: Check List Before Starting

    INSTALLATION Check List Before Starting: CAUTION! If “NO” has been checked on any of the following sixteen questions, do not operate this machine. YES NO Has gas supply been inspected by an authorized contractor to meet local codes? Is machine protected from downdraft and excessive wind? Is machine shielded from moisture or water spray?
  • Page 17: Assembly Instructions

    ASSEMBLY INSTRUCTIONS Pump Discharge Fitting Spray Cold Water Safety Source Latch High Pressure High Hose Garden Pressure Hose Hose 98015100-6 98015100-7 98015100-5 STEP 1: Attach the high pressure STEP 2: Connect the high pressure STEP 3: Connect garden hose to hose to the spray gun using teflon hose to the discharge fitting.
  • Page 18: Operating Instructions

    OPERATING INSTRUCTIONS STEP 2: Turn on main gas supply and depress and turn control knob to the ‘ON’ position. 98015100-12 STEP 1: Have an electrician con- nect power supply into electrical box according to information shown on 98015100-13 the serial plate. Detergent Burner Valve...
  • Page 19: Applying Detergent & General Washing Techniques

    APPLYING DETERGENT & GENERAL OPERATING TECHNIQUES WARNING: Some detergents THERMAL PUMP WARNING may be harmful if inhaled or PROTECTION ingested, causing severe nau- sea, fainting or poisoning. The If you run the engine for 3-5 minutes without pressing harmful elements may cause the trigger on the spray gun, circulating water in the property damage or severe pump can reach high temperatures.
  • Page 20: Shutting Down & Cleanup

    SHUTTING DOWN AND CLEANUP ecte terre cteu r l’eau veil OPER DAÑO Conn mise à la . Le procé disjon press ion, coule z l’inter rupte “ON” . La USAR ONAL à l’aide disjon cteur à haute faites . Mette posit brûle “ON”...
  • Page 21: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION WATER Incoming water to machine warm or hot Lower incoming water temperature. TEMPERATURE Gas pressure too high See specifications for proper gas pressure. TOO HOT Detergent line sucking air Tighten all clamps. Check detergent lines for holes.
  • Page 22 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Oil seal worn Check and replace if necessary. DRIPPING Faulty pressure gauge Install new gauge. OPERATING Insuffient water supply Use larger garden hose. Clean filter washer at PRESSURE water inlet. Old, worn or incorrect spray nozzle Match nozzle number to machine and /or replace new nozzle.
  • Page 23 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION FLOW & BURNER A. No main power With power switch on, open trigger on spray gun SWITCH ON; and set your test meter to the 24 volt scale. Probe NO SPARK, B. Faulty transformer terminals 24V and 24V(GND). If you do not read NO PILOT GAS 24 volts, the problem is not the ignition system.
  • Page 24 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION HAVE PILOT FLAME, Faulty main valve coil in the Set test meter to 24 volt scale. MAIN BURNER WILL gas valve NOT TURN ON Faulty ignitor/sensor and/or its With pilot flame on ignitor/sensor, probe terminals wiring MV and MV/PV on the ignition control unit.
  • Page 25: Maintenance And Service

    MAINTENANCE AND SERVICE Spray Nozzles: should exceed its operating temperature, the high limit control will turn the burner off until the water cools. Each machine is equipped with one or more spray nozzles, depending on the model. Different spray Pumps: nozzles are calibrated for each machine, depending on Use only SAE 20/40 weight non-detergent oil.
  • Page 26: Propane Gas

    MAINTENANCE & SERVICE Gas Pressure Requirements GAS VALVE REGULATOR All propane fired machines operate on vapor propane ADJUSTMENT fuel only. They are designed to operate at a pressure of 11 w.c.i. (between 1/3 and 1/2 of one psi), and are Adjustment of the built-in regulator isn’t normally nec- often operated at even higher pressures when extra essary, since it is preset at the factory.
  • Page 27 MAINTENANCE & SERVICE 2. TO CLEAN BURNER JETS: Select proper size drill for type gas involved. Use pin vise to hold drill and ream out each jet orifice. CAUTION: Do not ream out orifices to a larger size. If the water heater will be exposed to freezing weather, an anti-freeze solution should be circulated through the coil by whatever means are available for the particular system the water heater is used on.
  • Page 28: Basic Facts And Equivalents

    MAINTENANCE AND SERVICE BASIC FACTS Based on 60° Propane Butane 1 Cu. Ft. NG Approx 1000 BTU Formula C3H8 C4H10 Vaporization Point (°F) -43.7 31.1 Specific Gravity (Vapor) 1.522 2.006 Specific Gravity (Liquid) 0.508 0.584 Lbs. per Gal. (Liquid) 4.23 4.87 BTU per Cu.
  • Page 29: Equivalents And Oil Change

    MAINTENANCE AND SERVICE PRESSURE EQUIVALENTS Simply stated, pressure is the force exerted by a gas or liquid attempting to escape from a container. It is useful to know how strong this “attempt to escape” is. Pressure can be measured with a manometer or with a pressure gauge.
  • Page 30: Preventative Maintenance

    PREVENTATIVE MAINTENANCE This pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance.
  • Page 31 Authorized LANDA Dealer of the defect. Your Authorized LANDA Dealer will file a claim with Landa, who must subsequently verify the defect. In most cases, the part must be returned to LANDA freight prepaid with the claim. For warranty service on components warranted by other manufacturer’s, your Authorized LANDA Dealer can help you obtain warranty service through these manufacturers’...
  • Page 32 Form #9.801-511.0 • Revised 9/13a • Printed in U.S.A.

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