Introduction
Cha
nge pump no.
10
Manual updating
11
Manual update, removal of CE declaration.
12
Manual Content Updating. Cable P/N Update
13
Manual Content Updating.
14
1. Introduction
Congratulations on your purchase of the DEN-SIN High Pressure Cleaner.
Model: C-250E
Read this user manual before you start up your High Pressure Cleaner the first time.
This document or part of it may not be photocopied, or in any other way reproduced, or
translated to other languages without the prior written consent of DEN-SIN.
This machine is a High Pressure Cleaner producing water jet under high-pressure, which is
why severe injuries can occur if the safety precautions are not observed.
Therefore a full understanding of the contents of this instruction manual is required, in order
to prevent injuries to you, objects and persons nearby.
Safety
The following symbols are used in this manual to indicate procedures that if not followed,
may results in personal injuries or damage to equipment.
WARNING
WARNING
is used to alert the reader of procedures or
practice which if not followed correctly could result in personal
injuries.
CAUTION
CAUTION
is used to alert the reader of procedures or
practice which if not followed correctly could result in damage
to machine or other equipment.
NOTE
NOTE
is used to highlight important information that may
assist the reader carrying out the procedure or understanding the
text.
Version 14: Apr 2018
Revision History
Revision Rev.No.
C-250E R14 Page 1
Table of Contents
Table of contents
Table of contents ....................................................................................................................... 2
1. Getting acquainted with your High Pressure Cleaner ...................................................... 3
Fast and efficient cleaning ...................................................................................................... 3
Specifications ......................................................................................................................... 3
Applications ............................................................................................................................ 3
Unpacking .............................................................................................................................. 4
Machine Installation / Setup ................................................................................................... 4
Machine Shut Down Procedure .............................................................................................. 6
Operations .............................................................................................................................. 7
2. Safety and protection information ...................................................................................... 8
General safety & application guidelines ................................................................................ 8
Safety devices ......................................................................................................................... 9
Important medical information ............................................................................................. 10
WARNING .............................................................................................................................. 10
Safety precautions ................................................................................................................ 11
3. Maintenance and troubleshooting .................................................................................... 12
Maintenance Schedule .......................................................................................................... 12
Machine Prevention .............................................................................................................. 12
Troubleshooting .................................................................................................................... 13
4. Available accessories .......................................................................................................... 21
ID-plate ................................................................................................................................. 21
Chassis assembly .................................................................................................................. 22
Chassis assembly spare-parts list ......................................................................................... 23
Machine Model ..................................................................................................................... 23
Pump assembly spare-parts list ............................................................................................ 26
Un-loader valve assembly .................................................................................................... 28
Un-loader valve assembly spare-parts list ............................................................................ 29
Repair kit Unloader valve ..................................................................................................... 30
Safety valve assembly .......................................................................................................... 31
Safety valve assembly spare-parts list .................................................................................. 31
Lance Assembly (Standard) ................................................................................................. 32
Lance assembly spare-parts list ............................................................................................ 32
Trigger gun assembly ........................................................................................................... 33
Trigger / gun & assembly spare-parts list E250 ................................................................... 33
Repair Kit Trigger Gun ........................................................................................................ 33
Electrical Box ....................................................................................................................... 34
Wiring diagrams ................................................................................................................... 35
5. Warranty ............................................................................................................................. 36
NOTE
The information contained in this user guide is subject to change without
notice.
C-250E R14 Page 2
1. Getting acquainted with your High Pressure Cleaner
Dimensions
Hp kW rpm psi Bar gpm L/min Voltage
mm kg
1. Getting acquainted with your High Pressure Cleaner
Fast and efficient cleaning
The DEN-SIN High Pressure Cleaners in the C-250E series enables you to get more cleaning
done in less time.
This series of DEN-SIN High Pressure Cleaners offers you high performance yet a compact
design. The compact design enables the machines to be agile within inconvenient places even
at staircases, and the high performance gives you the opportunity to solve an array of cleaning
tasks. The High Pressure Cleaners in this series are designed for industrial/ Trucking &
Livestock transport companies/ Agriculture & Farming/ Shipping & Bulk carrying barges
and offshore use as well as for cleaning contractors. All pump parts, fittings and pipes in
contact with water are made of non-corrosive materials. Together with the ceramic pistons,
long life seals and stainless steel valves, it ensures long life and high durability.
Specifications
Model Motor Motor
C-250E
(700995661)
10 7.5 1500 3625 250 2.6 15
Speed
Working
Pressure
Flow Capacity Power Supply
3 8 0- 4 0 0 V a c
( 5 0 H z )
L x W x H
Weight
930x585x940
95
C-250E
(700995655)
10 7.5 1800 3625 250 2.6 15
4 4 0 V a c
( 6 0 H z )
930x585x940
Applications
These heavy-duty High Pressure Cleaners are capable of removing any kind of dirt:
Algae off concrete constructions
Paint and graffiti off walls
Dust, dirt, soil & mud off floors
Oil & grease off engines and other mechanical parts
Dirt and salt deposits off ship decks
And with the option for use of accessories even many more jobs are to be dealt with:
Sand-blasting
Drain-cleaning
Dispensing of soaps and chemicals
Sludge pumping
Extra long lances for hard to reach places
Floor cleaning equipment
Rotary brushes
This machine is only to be used for the purposes it is designed for. Any other use shall be
considered improper and therefore potentially dangerous. The manufacturer is not to be held
responsible for any damages caused by improper use.
CAUTION
95
C-250E R14 Page 3
1. Getting acquainted with your High Pressure Cleaner
1
2
3
4
5
Unpacking
Remove the High Pressure Cleaner and its accessories from the packing material. For
transport and packing reasons some accessories may be supplied disassembled.
Make sure all components are present:
1) High-pressure machine itself
2) Chemical Tank
3) Electrical cord (attached)
4) High pressure hose with Lance Trigger
5) Water inlet male hose coupling
Machine Installation / Setup
Mount the high-pressure hose on to the High Pressure Cleaner by
pulling back the retainer on the high-pressure hose coupling, while
sliding it onto the male outlet of the unloader till a click sound could be
heard.
(B)
Prepare the water supply for the High Pressure Cleaner by attaching a
hose to the supplied low pressure inlet male-coupling. Connect the other
end of the water supply hose to a potable water tap. Turn on tap.
Notice
(A)
Connect to the public mains water supply in accordance to
regulations.
Assemble the double barrel spray-lance. To mount the
assembled spray-lance on to the Spray-gun trigger, pull
forward the front of the Spray-gun trigger (A) while
sliding in the male swivel coupling part of the spraylance. (B)
C-250E R14 Page 4
1. Getting acquainted with your High Pressure Cleaner
D
epress Trigger
Pressure Regulating Knob
The high pressure cleaner is now ready for
operation. The spray-gun lance is affected by a
recoil force during operation – therefore keep a
firm grip with both hands on the Spray-gun handle
Knob fully tighten
and the lance. Press the trigger and tighten pressure
regulating knob to achieve maximum pressure for
effective cleaning.
Put the power-plug into a main power supply
socket. Turn on the power of the High Pressure
Cleaner by turning the knob clockwise to the ON
position.
The high pressure cleaner is now ready for operation. The contractor lance is affected by a
recoil force during operation – therefore keep a firm grip with both hands on the contractor
lance. Open ball valve and tighten the needle valve to achieve maximum pressure for effective
cleaning.
The pressure can be regulated by turning the knob on the spray-gun
lance. Tighten knob for maximum pressure and loosen for low
pressure washing. When using chemical injector, pressure must be
adjusted to low.
Make sure your local power supply specifications are in accordance with the
motors requirement. Refer to the ID-plate on the machine. Do NOT run the
High Pressure Cleaner without sufficient potable water supply as it can cause
CAUTION
cavitation and serious damage to internal pump parts. Do not let the machine
recycle the water (running with Spray-gun trigger not activated) for more than
a minute. This can cause serious damage to the seals.
C-250E R14 Page 5
1. Getting acquainted with your High Pressure Cleaner
Machine Shut Down Procedure
Release trigger and lower down the pressure by loosening the knob on
the lance.
Turn off the High Pressure Cleaner by turning the
knob anti-clockwise to the OFF position. Switch off
the main power supply
Once machine stop, open the ball valve and needle valve to release trap pressure in the pump
and hose line. Make sure lance is pointing downwards when doing this as pressure could
cause injury.
Once pressure is release, turn off water supply and disconnect inlet
and outlet hose from machine. Dry the machine and store it.
C-250E R14 Page 6
1. Getting acquainted with your High Pressure Cleaner
Operations
WARNING
1) Treat the machine as a high-speed cutting tool.
2) Anyone under the age of 18 is NOT allowed to use the machine.
3) Always use a proper plug and socket specially designed with ground to earth wiring.
4) Only connect to an installation with earth wiring. A certified electrician shall make the
installation. It is strongly recommended that the electric supply to the machine include a
Residual Current Device/GFCI.
5) Always keep the High Pressure Cleaner and its accessories in good working condition.
Check the machine for defects, especially the insulation on the electric cable. Do NOT
start up the machine if there is any defect. Have the machine serviced.
6) When using the High Pressure Cleaner and its accessories, eye protection must be worn
to protect against repelling or ricocheting matters causing eye damage.
7) Suitable clothing and footwear must be worn while using the equipment to protect the
operator. Do not try to clean clothes or footwear with the machine.
8) Precautions must be made to keep bystanders away from the working range.
9) Do NOT spray-clean on yourself, others or live animals. The
high-pressure beams are capable of making severe injuries.
10) Do NOT spray at electrical equipment OR the machine itself.
11) While repairing or servicing the equipment and its accessories always make sure the
machine is turned off and disconnected from the main power supply.
12) Only allow instructed personnel to operate the machine.
13) Activating the trigger/gun can cause backward force therefore always hold spray lance
with both hands.
14) When pausing during operation, turned off the main switch of the machine.
15) Only use high-pressure hoses, connections and nozzles specified by DEN-SIN.
16) IMPORTANT – Do not use the machine in a possible explosive environment in
accordance with EN-50014.
To prevent accidents from happening, ensure the safety of the person(s) who
uses the equipment and to protect bystanders and nearby placed inventory or
machinery, a few safety precautions needs attention.
C-250E R14 Page 7
2. Safety and Protection information
2. Safety and protection information
General safety & application guidelines
1) It is not allowed to clean asbestos containing surfaces with high-pressure, unless using
special equipment.
2) Persons under the influence of alcohol, drugs or medicine should not operate the machine.
3) Do not touch plug and socket with wet hands.
4) This machine has been constructed for use with Nilfisk-ALTO detergents. The use of
other detergents or chemicals may cause problems as to the operation and the safety.
5) When using detergents the instructions should always be strictly observed.
6) Always flush the machine with clean water after use of chemical/detergents.
7) Always unplug power supply when cleaning and maintaining the machine.
8) Do not use the machine if important parts are damaged – i.e. safety devices, high-pressure
hoses, spray handle.
9) The user is obliged to observe all national working environment and working safety
regulations concerning “operation of high-pressure washers”.
10) It is not allowed to connect this machine directly to a potable water supply.
11) If the machine is to be connected to potable water supply it is strictly necessary to fit the
machine with a water break tank, in accordance with EN1717.
C-250E R14 Page 8
2. Safety and Protection information
Safety devices
The machine is equipped with the following safety devices:
1) Safety Valve protects the machine from over pressure. Once the pressure is set higher than
260~280Bar, the safety valve will open and water will leak out. These indicate, unloader
was adjusted too high. Adjust the unloader back to its rated pressure 250Bar.
4)
Automatic Start / Stop:
function for extended life span of the pump. If the machine is running for more than (1.5
minutes) without trigger/ gun being activated then it will shut down automatically. To restart
the machine, simply press the trigger/ gun and the machine will start automatically.
These Pressure Washer comes with Automatic Start/ Stop
Safety
Valve
The timer is preset to 1.5 minutes - do NOT change the setting.
DO DON’T
C-250E R14 Page 9
2. Safety and Protection information
Important medical information
Immediate hospital attention should be given personnel who sustain equipment related injuries
while operating the system. In such cases, it is vital that medical personnel be apprised of all
facts relevant to such injuries. Therefore, all operating personnel should be provided with
waterproof emergency medical alert tags or cards, describing the nature of their work and the
possibility of injury inherent in the use of water jetting equipment. The below example of a
standard card can be photo copied, laminated and used as medical alert tag.
IMPORTANT
MEDICAL INFORMATION
WARNING
Obtain medical treatment
immediately for ANY high-pressure
water-jet injuries.
Inform the doctor of the cause of the
injury.
Show this card to the doctor.
MEDICAL ALERT
NOTE TO PHYSICIAN
This patient may be suffering from a water jet
injury. Evaluation and management should
parallel that of a gunshot injury. The external
manifestations of the injury cannot be used to
predict the extent of internal damage. Initial
management should include stabilization and
a thorough neurovascular examination.
X-rays can be used to access subcutaneous air
and foreign bodies distant from the site of
injury. Injuries to the extremities can involve
extensive nerve, muscle, vessel damage, as
well as cause a distal compartment syndrome.
Injuries to the torso can involve internal
organ damage. Surgical consultation should
be obtained. Aggressive irrigation and
debridement is recommended.
This card is to be carried by
personnel working with high-
pressure water jetting equipment.
DEN-SIN - a division of Nilfisk Pte Ltd.
05 Tuas Ave 2 Singapore 639445
Tel: +65 6268 1006 Fax: +65 62684916
Surgical decompression and exploration may
also be necessary. Angiographic irrigation
studies are recommended pre-operatively if
arterial injury is suspected. Bandages with a
hygroscopic solution (MgSO4) and
hyperbaric oxygen treatment have been used
as adjunctive therapy to decrease pain, edema
and subcutaneous emphysema.
Unusual infections with uncommon
organisms in immune competent patients
have been seen; the source of the water is
important in deciding on initial, empiric
antibiotic treatment, and broad spectrum
intravenous antibiotics should be
administered.
Cultures should be obtained
DEN-SIN - a division of Nilfisk Pte Ltd.
05 Tuas Ave 2 Singapore 639445
Tel: +65 6268 1006 Fax : +65 62684916
C-250E R14 Page 10
2. Safety and Protection information
Safety precautions
WARNING
Eye protection- Operators must wear visors and goggles to guard
against spray and flying debris. A combination of both goggles and visor
is advisable. And will protect the eyes and the face during both waterblasting as well as abrasive water-blasting
Head protection- Helmets must be worn at all time by personnel within
the work area.
Helmet material must be able to withstand mechanical shock without
fracturing.
Hearing protection- Operators and other personnel exposed to noise
levels of more than 90-dBa for more than 1 hour must wear suitable ear
protection. Ear plugs or ear muffs are usually sufficient.
The following protective clothing and devices should be worn both by
personnel operating the water blaster system and equipment and by those
working nearby:
Please contact DENSIN for various type of safety equipment available
Hand protection- Shear proof gloves must be worn by the operator at
all times. A glove combination of a cloth inner lining and a water tight
outer layer is preferred.
Foot protection- Safety footwear with steel toecaps must be worn. Basic
safety footwear must also be equipped with metatarsal guards to protect
the instep. Safety boots are available in other designs than the
illustration.
Gaiters- This is an additional layer of protection to the user foot that are
not protected by the steel top cap. It is intended to be worn outside of the
user’s regular protective boots. Five clips ensure that gaiters securely
stay in place. The entire area is protected. Very comfortable and light to
wear.
Body protection- Waterproof garments protect the operator only from
spray and flying debris. They do NOT deflect direct jet impact.
Therefore, an operator must take care never to point a water-jet either at
themselves or other personnel.
Hose protection- Protect user from high pressure water injuries incase
hose connection is loose.
C-250E R14 Page 11
3. Maintenance and Troubleshooting
500hrs
level
Do not dispose of used oil in drain.
Do not use detergent cleaning chemicals
Do Don’t Action
Cause
pressure water
by heavy or
squeezed
in door opening
3. Maintenance and troubleshooting
Maintenance Schedule
Regular Service
Period as
indicated
Each
use
1st
50hrs
Every
month /
Every
When
needed
Procedure / Remarks
Check pump oil
Change pump oil
Recommended Oil :
SAE 15W40
Usage :
Approx. 0.4kg of
oil
Cleaning of
machine
Cleaning of
motor fan
(
to ensure sufficient
airflow )
Machine Prevention
Spray directly onto the machine with high
• Top up if necessary.
Renewal of oil:
• Turn off High Pressure Cleaner.
• Loosen bolt(Hex) at bottom of pump housing.
• Drain oil into a waste oil-tray.
• Tighten bolt(Hex)
• Add oil through pump inlet on top of the pump
until the red point of the oil control glass has
been reached.
Notice:
• Use damp cloth to wipe the cabinet and handle
bar.
Notice:
• Clean the motor fan cover.
• Clean the motor fan blade.
Do NOT operate the machine with damaged or
removed fan cover.
Electrical shock may occurs
Operate the machine with damaged or removed
fan cover
Operate/keep machine with frost built up
Check hose and cord are not vehicle run over
Check electrical cord and high pressure hose
for wear and cracks
Ensure coupling parts free of dirt to ensure
long life of O-ring seals preventing water leaks.
Motor will be overheated and malfunction
Flush pump with antifreeze fluids before use.
May cause machine not function properly.
To prevent electrical shock and safety to the user
Extend life span of the pump seals and
maintaining correct pressure.
C-250E R14 Page 12
Troubleshooting
Symptom
Rectification
•
•
•
•
a
nd the high
-
pressure hose is vibrating.
•
•
•
• Replace the seals.
•
3. Maintenance and Troubleshooting
Main switch is turned on the High Pressure
Cleaner will not run.
Motor is humming & Pump does not give
pressure or low pressure
Pump pressure drops and the High Pressure
Cleaner works irregularly
Pump continuously stops and starts, when the
spray-gun trigger is activated.
High pressure cleaner does not reach the proper
working pressure when the spray-gun handle is
activated
High Pressure Cleaner only works with
approximately 2/3 of the maximum pressure,
Noisiness
• Check power supply connection for faulty components.
• Make sure the socket is inserted correctly
• Check if fuse is blown, replace if necessary.
Voltage is too low as compare to specification.(Check main voltage)
• Motor phase is missing (For 3 phase application).
Check the connection box voltage with a meter
• High-pressure pump is blocked
Strain filter is clogged.
• Water supply from the tap is insufficient.
• Clean the strain water filter
The high pressure nozzle is partly clogged.
Turn off the High Pressure Cleaner, dismantle the high-pressure nozzle
and remove the extraneous matter. Replace if damaged
The high-pressure nozzle is clogged.
• Dirt in the by-pass valve.
• The pump sucks air.
• Turn off the High Pressure Cleaner. Clean the nozzle.
• Inspect the low pressure supply, while spray-gun trigger is activated,
ON the machine on again.
• Repeat the procedure again; now with the trigger released. If the
problem still occurs, by-pass valve should be dismantled and the
extraneous matter removed.
Valves are dirty
• Remove the dirt and check to ensure the valve flaps are movable and
fit tightly.
The pump sucks air.
• One or more valve springs are broken or down.
• Extraneous matter in the valves.
• Crankcase or motor bearings worn out.
• Inspect the low-pressure supply. Replace springs.
• Clean the valves. Replace the bearings.
Water in the oil
The High Pressure Cleaner does not suck
chemicals
For any further inconveniences, not mentioned in this user guide or any
damages of the machine, we strongly suggest you to make contact with your
dealer for the repair or possible replacement of any original spare-parts.
NOTE
The O-ring casing is worn out.
• High moisture in the air (condensing inside the crankcase)
• The seals are completely worn out.
• Check or replace the O-ring.
• Renewal of the crankcase oil more often.
The chemical container is empty.
• The High Pressure Cleaner has not been set to low-pressure (on the
double barrel lance cock).
• The low-pressure nozzle is clogged, or partly clogged.
• The non-return valve of the chemical injector is stuck.
• Ensure the chemical container contains sufficient fluid for proper
suction.
• Set the spray-lance to low pressure by turning the cock on the lance
counterclockwise.
• Clean or replace the low-pressure nozzle.
• Clean, correct or replace the non-return valve of the chemical injector.
C-250E R14 Page 13
3. Maintenance and Troubleshooting
Pump Maintenance Instructions
Detach the high pressure hose, dump back hose, inlet hose, safety valve, and parts on the
pump head before serving the pump.
Valve Removal:
1. Remove the valve cap.
2. Inspect the valve cap O-ring for any damage, replace if necessary. (See Fig. 1)
3. Use the needle nose pliers to remove the valve. (See Fig. 2)
Fig.1 Fig. 2
4. Use a small probe to move the poppet up and down to assure that the valve is functioning
properly and that no debris is stuck in the valve. (See Fig.3)
5. Using the mechanics pick remove the valve seat O-ring and inspect for any damage, replace
if necessary. (See Fig. 4)
Fig.3 Fig.4
C-250E R14 Page 14
3. Maintenance and Troubleshooting
Valve Assembly:
1. Install the valve seat O-ring squarely into the bottom of the manifold. (See Fig.5)
2. Insert the valve assembly squarely into the port pushing it into the O-ring. (See Fig.6)
Fig.5
Fig.6
3. Install the valve cap and torque to the proper specification. (See Fig.7)
Fig.7
C-250E R14 Page 15
3. Maintenance and Troubleshooting
Servicing the Packing / Seals
Disassembly:
1. First remove the eight 6mm head bolts. (See Fig. 8)
2. Place the screwdrivers as shown between the head and crankcase of the pump, lifting one
up and the other down. The head should start to lift off of the plungers. (See Fig.9)
3. When you remove the head you may notice that some of the water seals have stayed on the
plungers and some in the head. (See Fig.10) To remove the seals from the plungers simple
turn the assemblies and pull off.
4. If the seal assemblies are in the head use the reversible pliers to grab the seal retainer on the
inside bore (NOTE: Use a rag so you do not mar the piston guide area), twist the retainer in
either direction. (See Fig.11)
Fig.8 Fig.9
Fig.10
Fig.11
5. With your fingers pull the high pressure seal and head ring out of the head.(See Fig.12)
6. The low-pressure seal is located in the brass seal retainer. Using the mechanics pick go in
between the seal and retainer, twist and pull, the seal will come out of the gland.
(See Fig.13 & 14)
7. Remove the seal retainer O-ring with the mechanics pick. (See Fig.15)
Fig.14 Fig.15
Fig.12 Fig.13
C-250E R14 Page 16
3. Maintenance and Troubleshooting
Assembly:
1. Install the plastic head ring into the head (the flat side is on the bottom). (See Fig. 16)
2. Install the high-pressure seal. Place the seal so the open “V” portion is toward the head ring.
You need to place the seal at an angle and pull and push to work the seal into position with
your fingers (do not use and tools you may damage the seal). Make sure the seal is totally
seated against the head ring. (See Fig. 17)
Fig.16 Fig.17
3. Installing the low-pressure seal. You want the open side of the seal to be pointed toward the
water side of the head (toward the high-pressure seal) and the flat side toward the drive end
of the pump.
Place the seal into the gland at an angle, with your finger push the exposed side of the seal
towards the center and work the seal (See Fig. 18, 19) into position. After the seal is in the
gland you can work it into it proper position.
Fig.18
Fig.19
4. Install the retainer O-ring. (See Fig. 20)
5. Squarely seat the retainer into the head and push with even pressure until it snaps into
position. (See Fig.21)
Fig.20 Fig.21
C-250E R14 Page 17
3. Maintenance and Troubleshooting
Servicing the Plungers
Disassembly :
1. Remove the plunger retainer nut. (See Fig. 22)
2. Insert the gasket scraper between the copper washer and plunger to remove the washer.
(See Fig. 23)
3. Twist and pull the plunger off the plunger rod.
4. Remove the plunger rod O-ring seal and split back-up ring with the mechanics pick. (See
Fig. 24)
5. Remove brass slinger. At this point clean any thread locker that is left on the plunger rod
and retaining nut threads. (See Fig. 25)
Fig.22 Fig.23
Fig.24 Fig.25
C-250E R14 Page 18
3. Maintenance and Troubleshooting
Assembly:
1) Install the slinger washer. (See Fig.26)
Fig.26
2. Install the plunger rod O-ring and split back-up ring. Place a light film of oil on the O-
ring and back-up ring. (See Fig. 27)
3. Install the plunger by pushing straight down and twisting slightly in either direction (See
Fig. 28)
Fig.27 Fig.28
4. Install the small copper washer on top of the plunger and place a small quantity of thread
sealant in the thread. Install the plunger nut and tighten to the required torque. (See Fig. 29
& 30)
Fig.29
Fig.30
C-250E R14 Page 19
3. Maintenance and Troubleshooting
Pump head to drive end Installation
1. Turn the crankshaft to align the plungers as shown. (See Fig.31)
2. Place the head evenly onto the plungers and push it until it makes contact with the drive end
of the pump. (See Fig.32)
3. Torque the head bolt as shown in the tightening sequence diagram. (See Fig. 33 & 34)
D es c rip t ion s H e a d (F ig .3 4 ) P is t on N ut V a lve C a p
In. lb s 13 3 10 6 44 2
K g . m /N . m 1 5 12 50
Fig.31
Fig.33
Fig.32
Fig.34
C-250E R14 Page 20
4. Available accessories
Accessories
Part no.:
Foam injector
700550156
Extension hose with quick couplings. from 10
- 50 m
Please inquire
Retractabl
e hose reel.
700550208
NOZ0040 for
50/
60Hz
Repair Kits
Part no.:
Rotating Nozzle Repair Kit
700550
305
4. Spare Part List
Lance Single Barrel. w/Quick Coupling + ROT
Notice: Always state type of High Pressure Cleaner along with the part no.: when ordering
accessories or spare-parts.
700550468
ID-plate
Refer to the identification plate on the machine:
C-250E R14 Page 21
Chassis assembly
5. Spare Parts Request Form
C-250E R14 Page 22
5. Spare Parts Request Form
Pos: Part no.:
Qty.: Description:
1 700520605
1
Frame Complete
2 700520641
1 Castor Wheel w/brake
3 700510107
4
Bolt M8 x 20 Hex Zn
4 700510005
8
Washer M8 Flat
5 700510004
4
Locknut M8
700520481
2
Pneumatic Wheel
700520511
2
Solid Wheel w/cover
(Upon Request )
700520092
2
Star-lock w/cap
700520007
2
Star-lock (Upon Re
quest)
8 700520633
1
Top Cover Stainless Steel
9 700510220
4
Bolt M6 x 20 Hex S.S
10 700510023
4
Washer Flat M6
11 700510150
4
Dome Nut M6 S.S
12 700530696
1
Motor 10Hp
(230-400V 50Hz /260
-
440 60Hz)
13 70051
0077 4 Bolt M10 x 35
Hex
14 700510035
4
Washer Spring M10
15 700510006
8
Washer Flat M10
16 700510008
4
LockNut M10 Zn
700560090
1
Pump Complete 250Bar
60Hz
700560151
1
Pump Complete 250Bar 50Hz
18 700530693
1
Gasket
19 700510027
4
Bolt M8 x 30
Hex Zn
20 700510034
4
Washer Spring M8
21 700510005
4
Washer Flat M8
22 700520634
1
E.L Bracket Stainless Steel
23 700530644
1
Electrical Box Assembly
(380-440V 50/60Hz)
24 700510040
4
Bolt M4
x 12 Phillip
25 700510106
4
Washer Flat M5
26 700951548
1m Motor to E.L Cable 4G2.5
(380-440V 50/60Hz
)
27 700
951548
10m Incoming Cable 4G
2.5 (380
-
440V 50/60Hz)
28 700520142
1
Wire Clamp w/Bracket Dia 15mm
29 7005
10043
1
Bolt M6 x 35 Allen
30 700540846
1
Pressure Gauge Max 400Bar
31 700540114
1 T-
Joint 3/8" M
-
F 1/4"
32 700510136
2
Contra Nut 3/8"
33 700540186
1
Elbow 3/8" F
-M
34 700540110
1
Safety Valve Complete
35 700520632
1
Chemical Tank 2L
36 700530004
1
Grommet
37 700550026
1
Chemical Suction Strainer
38 700550027
1
Hose ¼” PVC
39 700510009
2
Bolt M8 x 16 Allen
40 700510212
2
Bolt M8 x 20 Allen
41 700510005
4
Washer Flat M8
42 700510057
6
Nut M8
43 700520635
1 set Chemical Tank Holder (L/R)
A - 1 set Unloader Assembly
Pos: Part no.:
Qty.: Description:
Chassis assembly spare-parts list
6
7
17
NOT
SHOWN
700520667 2 Wheel Bushing
* 700520325 10m Water Inlet Hose + Hose Nipple (Optional)
Machine Model
C-250E R14 Page 23
1-43-A
7009956
61 1 C-250 50Hz 380
~
415V with Pneumatic Wheels
700995655
1 C-
250 60Hz 440 V with Pneumatic Wheels
1-43-A
5. Spare Parts Request Form
C-250E R14 Page 24
Pump assembly
5. Spare Parts Request Form
C-250E R14 Page 25
5. Spare Parts Request Form
Pos: Part no.:
Qty.:
Description:
1 700
560012
6 O-
RING DIA 17,86 x 2,62
2 700560091
6
PLUG
3
6 COMPLETE VALVE
4 6 O-RING DIA 15,54 x 2,62
5 700560093
2
PLUG ¼“
O-RING DIA 10,82 x 1,78
11
3 SUPPORT R
ING DIA 18
12 3 GASKET
13 3 PISTON GUIDE DIA 18
14 3 O-RING DIA 31,47 x 1,78
15 3 GASKET
16 Kit C/Kit
D 3 SEAL
17 700510009
8
BOLT M8 x 16 ALLEN
18 700560099
1
CLOSED BEARING SUPPORT
19 Kit C
2 O-
RING DIA 59,99 x 2,62
20 700560100
1
BEARING
21 700560101
1
PUMP HOUSING
22 700560102
1
OIL CAP
23 700510057
3
NUT M8
24 700510193
3
WASHER M8
25 Kit B
3
CERAMIC PISTON
26 700560104
3
SPACER
27 700560105
3 O-
RING DIA 7,66 x 1,78
28 700560106
3
GUIDING PISTON
29 700560107
3
PISTON PIN
30 7005
60108
3
CON ROD
34 Kit C
1 O-
RING DIA 106 x 3
35 700560110
1
COMPLETE COVER
36 700560111
6
BOLT M6 x 14
700560152
1
CRANKSHAFT
50Hz
700560112
1
CRANKSHAFT
60Hz
38 700560
066 1 KEY
39 Kit C
1
SEAL
40 700560115
1
SHIM 0.25mm
41 700560116
1
OPEN BEARING SUPPORT
42 700560040
3 O-
RING DIA 14 x 1,78
43 700560041
2
PLUG 3/8”
47 700560119
1 O-
RING DIA 17
,5 x 2
48 700560120
1
PLUG ½”
49 700560121
1
PUMP HEAD DIA 18mm
50 700560122
8
BOLT M8 x 70
69 700560123
8
WASHER M8
71 700560124
1
PUMP HEAD ASSEMBLY
75 700560125
3
RING
77 700560126
1
BEARING
86 700560127
1
OIL INDICATOR
87 700560128
1
SNAP RING
88 700560129
1
DISC
89 700560130
1 O-
RING DIA 20,24 x 2,62
1-89 700560151
1
Pump Complete 50Hz
1-89 7005
60090
1
Pump Complete 60Hz
Pump assembly spare-parts list
Kit A
6 700650299 2
Kit D
37
Note: Parts Pos. may not appear in sequence
C-250E R14 Page 26
Part no.:/ Kit description
Pos: Qty.:
Individual
components Part no.:
- - -
3 6 COMPLETE VALVE
4 6 O-RING DIA 15,54 x 2,62
- - -
16 3 SEAL
19 2 O-RING DIA 5
9,99 x 2,62
34 1 O-RING DIA 106 x 3
39 1 SEAL
11 3 SUPPORT RING DIA 18
12 3 GASKET
13 3 PISTON GUIDE DIA 18
14 3 O-RING DIA 31,47 x 1,78
15 3 GASKET
16 3 SEAL
Pump spare-parts kit
Kit A – 700560131
Pump Valves Kit
(1 SET)
Kit B – 700560132
Pistons (Ø18)
(1 SET)
Kit C - 700560133
Oil seals
(1 SET)
Kit D – 700560138
Water seals (Ø18)
(1 SET)
5. Spare Parts Request Form
25 3 CERAMIC PISTON
C-250E R14 Page 27
Un-loader valve assembly
5. Spare Parts Request Form
C-250E R14 Page 28
5. Spare Parts Request Form
Pos: Part no.:
Qty.:
Description:
1 - 1 VALVE HOUSING
2
1 SEAT
3 1 SHUTTER PIN
4 1 SPACER RING
5 1 O-RING 1.78X14 2056 NBR 90 NERO
6 1 A.A 6.50X9.40X1.20
7 1 O-RING 1.78X6.07 2056 NBR 90 NERO
8 1 O-RING 1.78X17.17 2056 NBR 90 NERO
9 1 PISTON HOLDER DIA 10MM
10 1 O-RING 1.78X6.75 106 NBR 70 NERO
11 1 A.A 7.10X10.00X1.20
12 1 PISTON
DIA 10MM
13 - 1 SPRING REST PIN, BRASS
14 - 1 SPRING
3
, 2 X
41.6MM
15 - 1 LOCK RING
16 - 1 LOCK RING SET SCREW
17 - 1 VALVE REGULATING INSERT
18
1 O-RING 3.0X6.0 NBR 90 NERO
19 1 SHUTTER
20 1 SHUTTER SPRING
21 1 O-RING 1.78X15.6 2062 NBR 90 NERO
22 700540941
1
SHUTTER COUPLING 3/8"
23 700540942
1 O-RING 2.62X10.78 3043 NBR 70 NERO
1 DOWTY SEAL
1/2"
1 VALVE MANIFOL
D
2 O-RING 2.62x15.88 NBR 70 NERO
1 BANJO BOLT
1/2”
1 DOWTY SEAL 3/8
”
2 O-RING 2.62x12.37 NBR 70 NERO
1 BANJO BOLT 3/8
”
31 - 1 VALVE REGULATING KNOB
1-31 70054
0938
1
Unloader
Valve
Complete
32 700540934
1
BUSHING 1/2"BSPPF
-
1/2"BSPPM
33 700540935
1
BUSHING 3/8"BSPPF
-
3/8"BSPPM
34 700510136
2
CONTRA NUT 3/8" BSPP BRASS
35 700540117
1 T-
JOINT 3/8
" BSP
M-F-F
36 700550025
1
CHEMICAL INJECTOR
37 700540
026 1 QUICK COUPLING MALE OUTLET
38 7005
40771
1
ELBOW 1/2
” M-F
39 700540249
1
NIPPLE 3/4" BSP
- 1/2"
NPT
40 700550004
1
DOWTY SEAL 3/8”
41 700540034
1
QUICK COUPLING FEMALE INLET
42 700540035
1 O-
RING
43 700540036
1
HOSE NIPPLE
1-43 - 1 Unloader Sy
stem Complete
Un-loader valve assembly spare-parts list
Kit E
24
25
26
27
28
29
30
Kit E
Kit F
C-250E R14 Page 29
5. Spare Parts Request Form
Part no.:/ Kit description
Pos: Qty.:
Individual components Part no.:
2 1 SEAT
3 1 SHUTTER PIN
4 1 SPACER RING
5 1 O-RING 1.78X14 2056 N
BR 90 NERO
6 1 A.A 6.50X9.40X1.20
7 1 O-RING 1.78X6.07 2056 NBR 90 NERO
8 1 O-RING 1.78X17.17 2056 NBR 90 NERO
9 1 PISTON HOLDER DIA 10MM
10 1 O-RING 1.78X6.75 106 NBR 70 NERO
11 1 A.A 7.10X10.00X1.20
12 1 PISTON
DIA 10MM
18 1 O-RING 3.0X6.
0 NBR 90 NERO
19 1 SHUTTER
20 1 SHUTTER SPRING
21 1 O-RING 1.78X15.6 2062 NBR 90 NERO
1 DOWTY SEAL
1/2"
1 VALVE MANIFOL
D
2 O-RING 2.62x15.88 NBR 70 NERO
1 BANJO BOLT
1/2”
1 DOWTY SEAL 3/8
”
2 O-RING 2.62x12.37 NBR 70 NERO
1 BANJO BOLT 3/8
”
Repair kit Unloader valve
Kit E - 700540939
(Unloader Valve Repair Kit)
Kit F – 700540940
(Banjo Bolt Kit)
24
25
26
27
28
29
30
C-250E R14 Page 30
Safety valve assembly
Pos: Part no.:
Qty.:
Description:
1 700540119
1
Body Safety Valve 3/8”
2 70054011
5 1 Pneumatic Ball
3 700540121
1
Piston
4 700540120
1 O-
Ring
5 700540122
1
Spring
6 - 1 Washer
7 700540124
1
Fitting
8 - 1 Adjusting Screw
9 700510008
1
Nut
1-9 700540110
1
Safety Valve Complete
5. Spare Parts Request Form
Safety valve assembly spare-parts list
C-250E R14 Page 31
5. Spare Parts Request Form
Pos: Part no.:
Qty.:
Description:
1 700551471
1
Needle valve
700550572
Lance Pipe Bottom
3 700551470
1
Lance Guard L+R Complete w/ Screws And Holder
4 700551469
1
Nipple, Quick Coupling Male
5 700550591
1
Lanc
e Pipe For Double Barrel Lance
10
700551479
1 1
Nozzle Guard Cover
7 700550557
2
Bushin
g, High Pressure Nozzle Holder 1/4
”
8 700551187
1
Nozzle Low Pressure
1-8 700551395
1
Lance D.B complete w/o nozzle
9 70055
0075
1
Noz
zle 1504
50/
60Hz
15 700550003
1
Quick Coupling Female High Pressure
16 700540491
3 O-
Ring
18 700550004
2
Dowty Seal 3/8”
19 700551422
1
HOSE HP 10M+CPL+RL30 SET
1-18
700551472
1
LANCE D.B W/Q CPG + NOZ 1504*
50/
60Hz
Lance Assembly (Standard)
Lance assembly spare-parts list
2 700550012
6
* Not Shown
700551478
1 Lance Pipe Top
Nozzle Guard Shell
C-250E R14 Page 32
5. Spare Parts Request Form
Pos: Part no.:
Qty.:
Description:
1 700551260
1
Gun Casing
2 Kit G
1
Back Up Ring
3 700551262
1
Washer
4
1 Piston, Stainless Steel
5 1 O-Ring +Seat
6 700551265
1
Spring, Stainless Steel
7 700551266
1
Spring, Plug
8
1 O-Ring, Ø2.62x2.84
9 1 Ball, Stainless Steel
10 1 O-Ring, Ø1.5x10
11 700551270
1
Back tube
12 700551271
1
Gun Housing
13 700551272
1
Stop Pin
14 700551273
1
Front tube
15 700551274
1
Parallel pin
16 700551275
1
Safety Latch, Red Color
17 700551276
1
Trigger
18 700551277
7
Tapping Screw
1-18 700551257
1
Trigger G
un Complete
A 700540918
1
COUPLING TRIGGER GUN
B 700540314
1 DOWTY SEAL
¼”
C 700550063
1
SWIVEL 3/8
”
Part no.:/ Kit description
Pos: Qty.:
Individual components Part no.:
2 1 Back Up Ring
4 1 Piston, Stainless Steel
5 1 O-Ring +Seat
8 1 O-Ring, Ø2.62x2.84
9 1 Ball, Stainless Steel
10 1 O-Ring, Ø1.5x10
Trigger gun assembly
Trigger gun assembly spare-parts list
Kit G
Kit G
Repair Kit Trigger Gun
C-250E R14 Page 33
Kit G - 700551278
(Trigger Gun Repair Kit)
Electrical Box
Pos Part no.:
Qty.:
Description:
1 700530697
1
Electrical Box ABS
2 700530624
1
Selector Switch
- - -
- - -
5 700530842
1
Contactor
(380-440V 50/60Hz)
6 700530218
2
Grommet
7 700530614
1
Transformer
(380-440V 50/60Hz)
8 700530695
1
Timer Off Delay
9 700530099
2
Cable Gland PG16
10 700520645
1
E.L Box Base
11
700530
841 1 Overload Relay 12
-
18A
(380-440V 50/60Hz)
* 700530154
1
Pressure Switch 45 Bar
* 700530155
1
Pressure Switch 25 Bar
* 700540114
1 T-
Joint 3/8” M
-
1/4”F
* 700540117
1 T-
Joint 3/8”M
-F-F
* 700510136
2
Contra Nut 3/8”
* 700510007
1
Locknut M6
1-11 700530863
1 set Electrical Box Assembly
(380-440V 50/60Hz)
5. Spare Parts Request Form
Part list for Electrical Box with overload system
3
* Not Shown
C-250E R14 Page 34
5. Spare Parts Request Form
Wiring diagrams
C-250E 380-440V with Auto Start Stop
C-250E R14 Page 35
6. Maintenance Log Book
5. Warranty
DEN-SIN warrants all equipment of its manufacture furnished under this agreement to be free
from defect in workmanship and material for a period of one year from the date of invoice of the
equipment. This warranty does not cover normal wear and tear, consumable items, or part
failures caused by (i) accident, (ii) abuse, or (iii) failure to maintain the DEN-SIN system
containing the affected parts in accordance with DEN-SIN technical specification. All labour is
the responsibility, and the expense of the Buyer. The liability of Seller under this warranty is
limited, at Seller's option, solely to repair or replacement with equivalent articles. This warranty
is condition upon:
(a) Seller being notified in writing by Buyer within one week after discovery of defects;
(b) the return of defective articles to Seller, transportation charges prepaid by Buyer;
(c) Seller's examination of such article disclosing to its satisfaction that such defects were not
caused by negligence, misuse, improper maintenance, improper installation, accident, or
unauthorized repair or alteration.
Accessories or equipment furnished by DEN-SIN but manufactured by others, shall carry the
warranty that its manufacturer has conveyed to DEN-SIN, and which may be passed on to the
purchaser. The original warranty period of any article, which has been repaired or replaced by
DEN-SIN, shall not thereby be extended.
C-250E R14 Page 36
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