Kranzle HD 9/80, HD 12/130 Original Operating Manual
www.kraenzle.com
HD 9/80
HD 12/130
Original operating manual
High-pressure cleaners
Read and conform safety instructions before use!
Keep instructions in a safe place for later use and
pass them on to any future user.
- GB -
Description of appliance
Kränzle HD 9/80, HD 12/130
Ergonomically shaped handle
On/Off switch with motor protection
Oil filler neck
Large stainless steel manometer
Pressure control valve – safety valve
with continuously adj. pressure control
High pressure outlet
High pressure pump
Water intake with filter
Interchangeable steel lance with regulating
nozzle and/or Vario Jet nozzle
Trigger gun with safety catch
Steel braided high-pressure hose, 10 m
2
Contents
Page
3
Description .......................................................................................... 2
Contents .......................................................................................... 3
Technical data ........................................................................................ 4
Overview “This is what you have purchased” ........................................... 6
General rules ......................................................................................... 7
Safety precautions – accident prevention ............................................ 8
Please note - important: Connection to water supply - electrical connection
....... 10
Kränzle- technology .............................................................................. 12
Water and cleaning system ................................................ 12
Lance and spray gun ......................................................... 12
Pressure control valve – safety valve ................................. 12
Motor protecting switch ..................................................... 13
High-pressure hose and spray device ....................................... 13
Total stop system .............................................................. 13
Putting into operation ........................................................................ 14
Connection to water mains ................................................ 14
Direct suction ................................................................... 17
When using detergents ..................................................... 18
To shut down the pump / frost protection ............................................... 19
Small repairs – do it yourself! ............................................................... 20
Inspections – inspection reports ............................................................ 24
Guarantee ........................................................................................ 25
Accessories for high-pressure cleaners ................................................. 26
Spare parts list ................................................................................... 28
Complete assembly ........................................................... 28
Valve housing ................................................................... 30
Unloader valve and pressure switch .................................. 32
Transmission .................................................................... 34
Motor ................................................................................ 36
Gun with lance .................................................................. 38
Wiring diagrams ................................................................................... 40
Inspections – inspection reports ............................................................ 42
4
Technical data
Technical data Kränzle HD 9/80 Kränzle 12/130
Operating press. continuously adj. 10 - 80 bar 10 - 130 bar
Nozzle size 042 042
Permissible overpressure 90 bar 145 bar
Water output 9 l/min 11.4 l/min
at 1.400 r.p.m. at 1.400 r.p.m.
Inlet water temperature max. 60 °C max. 60 °C
Suction height 1.0 m 1.0 m
Steel-weave high-pressure hose 10 m 10 m
Connected load
230 V~, 7.5 A, 50 Hz 230 V~, 13 A, 50 Hz
Power input P 1 - 1.6 kW P 1 - 2.9 kW
Power output P 2 - 1.0 kW P 2 - 2.2 kW
Weight 19 kg 32 kg
Dim. incl. pulling handle in mm 440 x 200 x 350 350 x 330 x 900
Sound level acc. to DIN 45 635 86 dB (A) 86 dB (A)
Acoustic power LWA 84 dB (A) 91 dB (A)
Recoil at lance approx. 18 N approx. 20 N
Vibration at lance 1.9 m/s
2
2.1 m/s
2
Order no. 41,171 41,168
Permissible tolerance for figures ± 5 % acc. to VDMA uniform sheet 24411
5
6
This is what you have purchased
1.
High-pressure cleaners
Kränzle 9/80 or 12/130
2.
Gun with safety catch
3.
Spray lance with regulating nozzle and
high pressure nozzle, flat jet 25042
HD 12/130
4.
Lance with Vario-Jet nozzle
HD 9/80
5.
Steel-weave high-pressure hose,
10 m, NW 6
6.
Operating manual
www.kraenzle.com
Oil leakage: If oil leaks contact your nearest after-sales service
(dealer) at once. (Ecological damage, damage to the transmission)
In case of increased humidity or fluctuations in temperature
development of condensed water is possible; if the oil turns
grey, you must change it.
Range of application
Use machines for cleaning tasks with high-pressure water jet and detergents or with
high-pressure water jet without detergents only.
7
General rules
Explanatory symbols used in the operating instructions
High-pressure jets can be dangerous when used
incorrectly. The jet must not be directed at people, animals, live electrical
equipment, or the achine itself
Pictogram used on the unit
F
Precautions
Precautions contain useful remarks of the manufacturer in order to remedy
potential problems.
Warnings
Warnings contain instructions of the manufacturer to be strictly followed by
the user. Such instructions serve to illustrate cases of incorrect use of the
machine as they occur time and again and which can lead to severe bodily
harm or death.
Oil change:
The first oil change should be carried out after approximately 50 operating hours, then
every year or after 1000 operating hours. If the oil turns grey or white, you must change
the oil of your high-pressure pump in any casen.
If it becomes necessary to change the oil, open the oil discharge screw and drain the
unit over a collection reservoir. The oil is to be caught in the reservoir and disposed of in
an approved manner.
New oil:
0,25 l - Kränzle gear oil (40.092 2) or W 15/40.
8
Safety precautions
Accident prevention
The machine is designed for accidents to be impossible if used correctly. The operator is
to be notified of the risk of injury from hot machine parts and the high-pressure water jet.
The “Guidelines for Liquid Spray Devices” must be complied with.
Always make sure to disconnect the power supply cable
prior any cleaning, maintenance or servicing!
Bear in mind that during cleaning tasks with
a high-pressure water jet a significant recoil
at the lance arises (see technical data on
page 4).
Apply the safety catch on the spray gun
after each use, in order to prevent
unintentional spraying!
Always aim the underbody lance! Bear in
mind when using a curved or angled
spraying lance that there is a significant
amount of torque in the recoil!
Safety precautions – This is prohibited!
9
Never allow children or untrained
persons
to use the high pressure cleaner!
Never direct the water jet at the
machine itself!
The machine may not be placed
within reach of the water jet spray
mist!
Do not direct the water jet at power
sockets or live electrical equipment!
Never direct the high-pressure jet at
yourself or at others, not even to clean
clothes or shoes.
Do not operate this machine in the vicinity
of persons without protective clothing.
Never direct the water jet at people, animals,
power sockets or any other electrical
installations!
High pressure jets can be dangerous in case
of improper use!
Never pull the high-pressure hose if it
has formed kinks or “nooses”!
Never pull the hose over sharp edges!
Lack of water occurs more often than you
probably believe. The more powerful a high
pressure cleaner is the greater is the danger that a lack of water occurs. If there is
only an insufficient amount of water available, cavitation arises inside the pump, which
is normally noticed too late or even not at
all.The pump will be destroyed.
Please check the available quantity of water
by filling a bucket with liter scale for 1/2
minute
.
The following minimum quantity of water is necessary for a safe and problem-free
operation of the high-pressure cleaner: HD 9/80: 9 l/min, HD 12/130: 11,4 l/min
Please note - important!
If the metered quantity of water is too small, you have to use a different water connection, guaranteeing the necessary output.
Lack of water leads to an accelerated wear of the joints (no guarantee).
Lack of water
10
Water supply
Please pay attention to the regulations of your waterworks company. In
accordance with DIN EN 61770, the machine may not be directly
connected to the public drinking water supply lines. A brief connection
however is permissible according to DVGW (German Association for
Gas and Water Affairs) if a non-return valve with tube ventilator
(Kränzle order no. 41.016 4) is built into the water supply. Also indirect
connection to the public drinking water supply lines is permissible by way of free
emission in accordance with EN 61 770; e.g. by using a reservoir with a float valve.
Direct connection to a non-drinking water supply line is permissible.
Once the water has passed through the non-return valve, it is no longer
considered to be drinking water.
Insufficient quantity of electricity
If there are too many collectors in your
proximity connected to the network at the
same time, the available voltage and the
current intensity may decline.
Consequently the motor of the high-pressure cleaner does not start or even blows.
The power supply may also be insufficient
if the power cable is too long or too thin. If
extension cables are too long, this may
lead to a voltage drop causing malfunc
tions or start-up difficulties.
HD 9/80: 230 V, 7.5 A, 50 Hz HD 12/130: 230 V, 13 A, 50 Hz
Check the line fusing and have the voltage and the available current
intensity checked by an expert in case of uncertainty.
11
Electrical connection
The machine is supplied with a 5 m long electrical power cable with plug. The mains plug
must be fitted to a standard grounded socket with a 30mA residual current operated
device. The socket must be protected with a 16 A delay action fuse on the mains side.
When using an extension cable, this must have an earthed lead which is properly connected to the socket. The conductors in the extension cable must have a minimum cross
section of 1.5 mm².
Plug connections must be of a spray-proof design, and may not be located on a wet
floor. With extension cables of more than 10 m the minimum cross section must be 2.5
mm! When using a cable reel always make sure that cable is completely unrolled.
Kränzle technology
12
Water and Cleaning System
Water can be connected at mains pressure to the high pressure pump or it can be
sucked directly from a storage tank. The water is then forced under pressure by the high
pressure pump to the lance. The high pressure jet is formed by the nozzle at the end of
the lance.
Environmental, refuse disposal and water protection
regulations must be observed!
Lance with trigger gun
The machine can only be operated when the safety trigger is squeezed. When the lever
is squeezed, the spray gun opens. The liquid is then pumped to the nozzle. The spray
pressure increases and quickly reaches the selected operating pressure. When the
trigger is released, the trigger gun closes and any further spraying of liquid from the
lance is stopped. The pressure gauge must show 0 bar.
The increase in pressure when the trigger gun is closed causes the pressure control
valve-safety valve to open. The motor is switched off by the pressure switch. When the
trigger gun is opened, the pressure control valve - safety valve closes, the motor is
started and the pump resumes pressure spraying from the lance with the selected
operating pressure.
The trigger gun is a safety device. Repairs should only be
performed by qualified persons. Should replacement
parts be required, use only components authorized by
the manufacturer.
Pressure control valve - safety valve
The pressure control valve - safety valve protects the machine from a build up of
excess pressure, and is designed not to permit an excess pressure to be selected for
operation. The limit nut on the handle is sealed with a spray coating. The operating
pressure and spray rate can be steplessly adjusted by turning the handle
.
Replacements, repairs, new adjustments and sealing
should only be performed by qualified persons.
In order to guarantee the safety of the machine, only
manufacturer's original replacement parts or manufacturer approved replacement parts should be used.
Motor protection switch
The motor is protected from overload by a motor protection switch, which cuts out the
motor in the event of overload. However should the switch trip frequently, the cause of
the malfunction should be located and rectified (see page 11).
Replacements and inspection work should only be perfor-
med by qualified persons when the machine is discon-
nected from the power supply, i.e. with plug pulled out
from the electrical socket.
High pressure hose and spray device
The high pressure hose and spraying device supplied with the machine are made of high
grade material, they are also optimised for the machine and marked as required by the
appropriate regulations. (max. hose length 20 m)
All high pressure hoses, fittings and couplings are safety
component parts; therefore only manufacturer approved
and properly labeled component parts are to be used for
replacement. The high pressure hose and spray device
must be connected in a pressure-tight manner (without
leakage).
The high pressure hose may not be driven over, pulled
excessively, or twisted.
The hose may under no circumstances be pulled over
sharp edges.
13
Setting up – Location
Neither set up or operate the machine in rooms where
there is a risk of fire or explosion nor put it into puddles.
Do not use the machine under water.
Putting into operation
4.
Push on lance to gun.
2.
Check water inlet filter for cleanliness prior to putting the machine
into operation. Manually unscrew
hose attachment. Take out the serial
water inlet filter using needle nose
pliers and clean if filter is soiled.
1.
Move high-pressure cleaner to the job
site.
Kränzle high pressure cleaners are
very compact and easily portable
machines.
3
. Each time check oil level at oil-level
glass prior to putting HP cleaner
into operation.
The oil level must be visible in the midd-
le of the oil level glass.
14
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