Landa 1.109-079.0 - User Manual

8.917-417.0-D 03/10/20
PHW
Hot Water - Electric Powered - Diesel/Oil Heated
Operator’s Manual
Pressure Washer
RI
E
S
G
O
DE
E
LE
CTR
O
C
UCIÓ
N
—
Co
n
e
c
t
e e
l
e
n
c
hu
f
e
en
u
n
c
o
n
ta
ct
o
ad
-
ec
uado
.
M
an
te
n
g
a
to
das
l
as
c
onn
e
c
ci
o
-
n
es
s
ec
as
y
ar
r
i
ba
d
e
l
suel
o
.
No
r
oc
i
e
c
om
p
o
ne
nt
es
e
lé
c
tr
i
c
o
s.
De
s
c
on
e
c
t
e
l
a
c
o
r
r
i
e
n
te e
l
éct
r
i
c
a a
nt
e
s
d
e da
r
s
erv
i
c
i
o
.
RI
SQ
UE
D’ELE
CT
R
OCUT
I
O
N
—
Re
l
i
e
r
à
d
e
s
p
r
is
e
s
a
v
e
c
m
i
se
à l
a
t
er
re
se
ul
e
men
t
.
To
u
s l
e
s
fi
l
s
d
o
i
v
e
n
t
êtr
e
ma
i
nte
n
u
s
s
e
c
s e
t
é
t
r
e
s
u
s
p
e
n
d
us
.
No
ja
m
a
i
s
p
r
o
j
e
ter
de l
’
e
au
s
ur
l
e
s
c
o
mpo
s
ante
s
e
t
fi l
s
él
e
c
t
r
i
q
u
e
s.
Co
up
e
r
l
’
a
l
i
m
e
n
t
a
ta
t
i
o
n
é
l
ec
t
r
iq
u
e
a
va
n
t
de fai
r
e
une
r
ép
a
r
ati
o
n
.
RI
S
K
O
F
E
LE
CT
R
O
C
UTION.
Co
nn
ect
o
n
l
y
to
p
r
o
per
l
y
gr
ound
ed
ou
t
l
e
t
.
K
e
e
p
al
l
conn
e
c
t
i
o
ns
dr
y
a
nd o
f
f
t
h
e
gr
ou
n
d
.
K
e
ep
s
pr
a
y
a
w
ay
f
rom
el
ec
t
r
i
c
a
l
wi
r
i
ng
a
n
d
c
o
mp
o
-
n
ent
s
.
Di
s
c
o
n
n
e
c
t
f
r
om
e
l
e
c
tr
i
c
a
l
s
u
ppl
y
b
ef
o
r
e
s
e
r
v
i
c
in
g
.
P
RO
TE
J
AS
E
LOS
O
JO
S
C
U
A
N
D
O
s
e
opere
es
te
eq
u
i
po
.
D
E
S
LU
N
ETT
E
S
D
E S
EC
U
R
I
T
E
D
O
IV
E
N
T
E
TR
E
PO
RTE
E
S
l
o
rs
q
u
e
v
ou
s
op
er
ez
c
et
a
p
p
a
re
il
.
RI
S
K
O
F
I
NJ
U
R
Y
—
P
R
O
T
ECT
I
V
E
E
Y
E
WEAR
AND
CL
O
T
HI
NG
M
US
T
BE
W
O
RN
wh
e
n
o
p
e
r
a
t
i
ng
t
hi
s
m
ac
h
i
ne.
LEA
E
L
M
A
N
U
A
L
O
P
ER
AC
ION
A
N
TE
S
D
E
U
S
A
R
SE
.
E
S
TE
EQ
UI
P
O
DEB
E
S
E
R
U
SA
D
O
S
OLA
M
E
N
TE
P
O
R
O
P
ER
ADO
R
E
S
C
A
LIFI
C
A
DOS
.
LIRE
L
E
MANU
EL
DE
L
’
O
P
ERATE
UR
AV
A
NT
UT
I
LI
S
A
T
ION.
CET
APP
AR-
E
I
L
DO
I
T
E
T
RE
UT
I
LISE
P
A
R
D
E
S
O
P
ER
A
T
E
U
R
S
Q
U
A
L
I
F
I
ES
.
T
O
R
E
D
U
CE
T
H
E
R
I
S
K
OF
I
N
JUR
Y
R
E
A
D
O
P
E
R
A
TO
R
’S
M
A
N
U
A
L
C
A
R
E
FU
LL
Y
B
EFO
RE
U
S
IN
G.
TH
IS
M
A
CH
I
N
E
T
O
B
E US
E
D
ON
L
Y
BY
Q
U
A
LI
-
FI
E
D
O
P
E
R
A
TOR
S
.
RI
S
K
O
F
INJ
E
CTI
ON
O
R
S
EV
E
RE
I
NJ
U
R
Y
T
O
P
ERSO
NS
.
K
e
e
p
c
l
ear
of
noz
z
l
e
.
HO
T
DI
S
CHAR
G
E
F
L
UI
D
.
Do
n
o
t
t
o
u
c
h
o
r
d
i
r
ec
t
d
i
sc
ha
rg
e
s
tr
ea
m
a
t
pe
rs
o
n
s
.
RI
E
S
G
O
DE
P
E
NET
RA
CI
Ó
N
O
L
ESI
O
NE
S
S
E
V
E
RAS A P
ERS
O
NAS.
M
a
n
t
é
ng
a
s
e
fu
er
a
de
l
a
l
c
ance
d
e
b
o
q
ui
l
la
.
DE
S
CARG
A DE
AGU
A
CALI
E
NT
E
A
AL
T
A
P
RES
IO
N
—
No
t
oq
u
e
n
i
d
i
r
i
j
a
e
l
fl
u
j
o
de
l
a
g
ua a
o
t
ras
pe
r
so
n
a
s.
RI
SQ
UE
DE
BL
E
S
S
URE
S
.
Se
tenir lo
i
n
des
bu
se
s
.
E
AU
CHA
UDE
S
OUS
P
R
E
S
S
IO
N
A
L
A
SOR
T
I
E
—
Ne
pas d
i
r
ig
e
r
le j
e
t
d
’
ea
u
v
e
r
s
des
p
e
r
s
on
ne
s.
RI
S
K
O
F
EX
P
L
OS
I
O
N.
O
pe
r
a
te
o
nl
y
wh
e
re
op
e
n
fl
am
e
o
r
to
r
c
h i
s
pe
r
mi
t
-
ted.
Do not
s
p
r
a
y
fl a
m
m
ab
l
e
l
i
q
u
i
ds
.
RIS
K
O
F
F
IRE
. Do
n
o
t
ad
d
fu
e
l
wh
e
n
t
h
e m
a
ch
in
e i
s
o
pe
r
a
t
i
ng
.
WARNING
PR
ECA
U
C
IO
N /
A
VERTISSEMEN
T
RI
E
S
G
O
DE
E
XP
L
O
S
I
O
N
—
Use
el
produc
to
en
á
r
e
a
s
do
nd
e
e
l f
ueg
o
o
l
l
am
a
s
e
a
n
p
e
r
mi
t
i
d
o
s.
N
o
r
oc
ie
l
i
q
ui
-
do
s
i
n
fl
a
m
ab
l
e
s
.
R
I
ES
G
O
DE
F
U
E
G
O
.
No
añ
adi
r
ga
so
lin
a
cu
a
n
d
o
la
m
á
gu
i
n
a
e
s
te
tr
a
b
aj
an
d
o
.
RI
S
Q
UE D’
E
X
P
L
O
S
I
O
N
— Uti
l
i
s
e
r
a
u
x
e
n
dro
i
ts
où
u
ne
fl
a
mm
e nue
e
s
t
p
e
r
m
i
s
e
.
Ne
p
a
s
v
a
p
or
i
s
e
r
de
l
i
qu
i
d
e
s
i
n
fl
a
m
m
a
bl
es.
R
I
SQ
U
E
D
E
F
E
U
.
N
e
pa
s
a
jo
u
te
r
d
é
s
s
e
n
c
e
/
d
e
f
u
e
l
t
a
n
d
is
q
ue
la
m
a
c
h
ine
e
st
e
n
o
pe
r
a
t
io
n
.
9
8.917-588.
0
S
P
RAY
G
U
N
K
I
C
K
S
B
AC
K
.
Hol
d
w
i
th
b
o
t
h
h
and
s.
L
A
P
IS
T
O
L
A
S
E
M
UEV
E
CO
N
L
A
P
RE
S
I
Ó
N
—
S
o
s
t
e
n
g
a
co
n
l
a
s
d
o
s
m
ano
s
.
L
A
PO
I
G
NE
E P
I
S
T
O
L
ET
RE
-
P
O
US
S
E
—
Te
n
i
r
à de
u
x
m
a
i
n
s.
RI
SK OF
INJURY
—
HO
T
SURFACE
S
CAN
CA
USE
B
URN
S
.
Use
o
nly
d
e
s
i
gne
d gri
pp
i
ng
are
as
of
s
p
r
ay
g
un
a
n
d
w
an
d
.
S
UP
ERF
I
CI
E
S
CAL
IE
NT
E
S
—
Us
e
s
o
l
am
e
n
te
l
as
ár
ea
s
a
i
s
l
a
das
d
e
l
ga
t
i
l
l
o
y
l
a l
a
n
z
a.
SURF
A
CE
S
C
HA
UDE
S —
To
uc
h
e
r
s
e
u
l
e
m
e
n
t les
p
ar
ti
e
s
i
s
o
l
ée
s
d
e
s
p
o
i
gné
e
p
i
s
to
l
et
s
e
t
la
n
c
e
s
.
RI
E
SG
O
DE
ASFIXIA.
Us
e
el
pr
odu
c
-
t
o
en
u
n a
r
e
a
d
e
v
e
n
ti
l
a
c
i
ó
n a
de
c
u
a
d
a
.
RIS
Q
UE
D’
AS
P
HY
X
I
E
.
Uti
l
i
ser
da
ns
u
n
e
ndro
i
t
bi
en aé
r
é
.
RI
SK
OF
ASPHY
X
I
A
T
I
O
N.
Use on
l
y
i
n well
ve
ntil
ate
d
are
a
.
WAR
NING!
!
AT
EN
C
IO
N
/
A
TT
ENTIO
N
!
DISCONNE
CT
F
R
OM
E
LE
CT
RICAL
S
UP
P
L
Y
BE
F
ORE
S
E
R
VICI
NG
.
D
E
SC
O
N
E
C
TE
LA
C
O
RR
I
E
N
T
E
E
LE
C
T
R
I
CA
A
N
TE
S D
E
D
A
R
S
E
R
V
I
C
IO.
C
O
UP
L
E
R
L
’
A
L
I
M
E
N
TA
T
I
O
N
E
L
EC
TR
I
Q
U
E
A
V
A
N
T
D
E
F
A
IRE
U
NE R
E
P
A
R
A
TIO
N
.
CA
UT
ION
—
N
E
VE
R
US
E
:
•
B
l
e
ach,
c
hlo
r
in
e
pr
o
du
c
ts
and ot
he
r
c
or
r
osive c
he
m
ica
l
s
•
Li
quid c
ont
a
i
ni
ng solv
e
nt
s
(i.e
.
pa
int
thinne
r
,
ga
s
olin
e
,
o
il
)
•
T
r
i-
sodium
phos
phat
e
pro
du
c
ts
•
A
m
m
on
ia
pr
oduc
ts
•
A
cid-ba
s
e
d pr
oduc
ts
Thes
e
c
he
m
i
cals
w
il
l ha
r
m
the
unit
and
w
ill
da
m
ag
e
th
e
sur
face
be
ing
c
l
e
a
n
ed.
OPE
R
AT
IN
G
INSTRUCTI
O
N
S
1.
Read
O
pe
r
a
t
or’
s
M
an
ua
l
c
a
ref
u
ll
y
b
e
f
or
e
u
s
in
g.
2
.
C
o
n
n
e
c
t
s
tand
ar
d
ga
r
de
n
h
o
s
e
to
ma
chin
e
a
n
d
t
u
r
n
w
a
t
e
r
o
n
.
3
.
S
ecu
r
e
h
i
g
h p
r
e
s
s
u
r
e
h
o
se
t
o
m
ach
i
n
e
.
4
.
S
e
cu
r
e
s
p
r
a
y
n
o
z
zle
t
o
en
d
o
f
w
a
nd.
5.
C
h
e
c
k p
u
m
p
o
i
l
l
ev
e
l.
6.
T
o
s
tar
t
un
i
t
,
t
u
rn
s
w
i
t
c
h
o
n
,
gri
p
w
an
d
s
ecu
rely a
n
d
tr
i
gg
e
r
s
p
r
a
y
gu
n
.
7
.
T
o
he
at
w
ate
r
,
t
ur
n
b
u
r
n
e
r
sw
i
tch
o
n
.
8.
T
o
ap
p
l
y
de
t
er
g
e
nt,
s
ee
O
per
a
t
o
r
'
s
Ma
n
u
a
l
.
9
.
T
o
s
hu
t
d
ow
n
m
ac
h
i
n
e
,
t
u
r
n
bu
rn
e
r
o
ff
a
nd
a
l
l
o
w
p
u
m
p
to
r
u
n u
n
til wa
t
e
r
is
co
o
l
.
F
l
u
s
h
de
t
er
gent
li
n
e
s
w
i
th
c
l
ean
wa
t
er
b
e
fore
tu
r
n
i
n
g
p
u
mp
sw
i
t
c
h
o
f
f.
T
r
igg
er
spr
a
y
gu
n
t
o
re
l
i
e
v
e
p
r
e
ss
u
r
e
.
1
.
L
e
a
el
M
anua
l
d
e
O
pe
r
a
c
i
ó
n
an
t
e
s
d
e
u
sa
r
se
.
2
.
C
o
n
e
ct
e
l
e
m
a
n
g
u
e
r
a
d
e
j
a
r
d
i
n
y
ab
ra
la
ll
a
ve
d
e
l a
g
u
a
.
3.
C
on
e
c
te
la
man
g
u
er
a
de
al
t
a
p
resi
ó
n.
4
.
C o
lo
q
u
e
l
a
b
o
qu
il
l
a
a
l
a
l
an
z
a
.
5
.
Re
v
i
se
e
l
n
i
v
e
l
d
e
a
c
e
i
t
e
de
l
a
bomb
a
.
6.
E
ncien
da
l
a
bo
m
b
a
,
a
bra
el
g
a
t
i
l
l
o
y
l
o
g
re
p
re
s
i
ó
n
.
7
.
Para c
a
l
en
t
a
r
a
g
u
a
, e
n
c
ie
nda
el
q
u
e
ma
d
o
r
.
8
.
P
ar
a
apli
c
a
r
e
l det
e
rge
n
te
,
c
o
n
s
ul
t
e
e
l M
a
nua
l
d
e
Op
er-
a
c
i
ó
n
.
9
.
A
l
t
er
m
i
n
a
r
,
a
p
a
gue
el
que-
m
a
d
o
r
,
p
u
r
gu
e
c
o
n
a
gu
a
l
a
m
ang
u
er
a
d
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INST
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I
ON
1
.
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i
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on.
2.
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à
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3
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.
4
.
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de
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pe.
5
.
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.
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p
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st
olet.
7.
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.
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t
d'
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. P
r
e
ss
er
l
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is
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M
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DE
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LOI
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FO
R
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EST RE
S
U
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T
S
8
.
9
1
7
-
5
8
7
.
0
PHW
8
.9
1
7-
5
8
6.
0
P
U
M
P
BU
R
NER
P
O
WE
R I
GN
I
T
I
O
N
O
VERL
OA
D
MODELS: PHW3-11024
1.109-078.0
PHW4-22024
1.109-079.0
PHW4-30024
1.109-085.0
PHW4-22024
1.109-091.0
For the Landa Dealer nearest
you, consult our web page at
www.landa.com

Summary

How To Use This Manual

Safety

Introduction & Safety Information

Introduces the pressure washer and owner responsibilities for safe operation.

Important Safety Information

Details critical warnings and precautions for operating the pressure washer safely.

Operations

Component Identification

Identifies the main parts and components of the pressure washer unit.

Assembly Instructions

Provides step-by-step guidance for initial setup and connection of the pressure washer.

Operation Instructions

Explains how to properly start, operate, and use the pressure washer functions.

Detergents & Thermal Pump Protection

Guides on using detergents and the thermal protection system for the pump.

Shutdown and Storage Procedures

Provides instructions for safely shutting down and storing the pressure washer.

Maintenance

Preventative Maintenance Overview

Routine checks and actions to maintain the pressure washer in good condition.

Pump, Fuel, and Ignition System Maintenance

Covers pump lubrication, fuel checks, electrode settings, and ignition circuit.

Wayne Oil Burner and Air Adjustment

Guides on adjusting the oil burner for optimal performance at different altitudes and conditions.

Coil Cleaning, Nozzles, and Valves

Procedures for cleaning heating coils, selecting nozzles, and servicing unloader valves.

Winterizing and Low Pressure Diagnosis

Steps for cold weather protection and troubleshooting low pressure issues.

Coil Removal and Safety Systems

Details coil removal, relief valves, thermostats, and rupture disks.

Optional Timer Operations

Explanation of time delay and auto start/stop timer features.

Maintenance Schedule

A comprehensive schedule of recommended maintenance tasks and frequencies.

Oil Change Record

A log to record oil changes and estimated operating hours.

Troubleshooting

Low Operating Pressure Troubleshooting

Diagnosing and resolving issues related to low pressure output from the machine.

Burner Ignition Troubleshooting

Steps to identify and fix problems preventing the burner from igniting.

Burner Operation and Smoke Issues

Troubleshooting burner operation, smoke, and air adjustments.

Low Water Temperature Diagnosis

Identifying and resolving problems related to low water temperature output.

Temperature, Motor, and Relief Valve Issues

Addressing overheating, motor stopping, and relief valve leaks.

Detergent Drawing Problems

Diagnosing why the machine is not drawing detergent correctly.

Detergent, Burner Motor, and Pump Issues

Troubleshooting detergent pickup, burner motor, pump noise, and pressure.

Oil Contamination and Starting Issues

Addressing water in oil, oil dripping, and starting/timing problems.

Pressure, Unloader, and System Issues

Resolving problems with system pressure, unloader cycling, and leaks.

Landa 1.109-079.0 Specifications