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Easy Spray-H

Service manual

46/48

Issue 1.9

Ref. NR-00088-ENG

http://www.gamapur.com/

Warranty _____________________________________________________ 2

Safety and handling ____________________________________________ 3

Characteristics ________________________________________________ 5

Principal heating system ___________________________________________________ 5

Hose heating system ______________________________________________________ 5

Proportioning pumps ______________________________________________________ 5

Technical specifications ________________________________________ 6

Electrical _______________________________________________________________ 6

Mechanical ______________________________________________________________ 6

OVERview ____________________________________________________ 7

Control panel ________________________________________________ 11

Alarms ______________________________________________________ 16

Preparing the unit for operation _________________________________ 18

Preparation (units with recirculation hose) _______________________________________ 19

Purge method for hoses with recirculation _______________________________________ 20

Preparation (units with heated hose) ___________________________________________ 22

Purge method for heated hoses _______________________________________________ 23

Power-up procedure __________________________________________ 26

Power-down _________________________________________________ 28

Cleaning procedure (heated hoses) ______________________________ 29

Cleaning procedure (hoses with recirculation) _____________________ 30

Temporary LAYOFF of the unit __________________________________ 32

Malfunction __________________________________________________ 33

Heaters __________________________________________________________________ 34

Hose heating _____________________________________________________________ 35

Proportioning pumps _______________________________________________________ 37

Hydraulic drive ____________________________________________________________ 39

Maintenance _________________________________________________ 40

Heaters __________________________________________________________________ 41

Proportioning pumps _______________________________________________________ 42

Product intake filters________________________________________________________ 43

Isocyanate pump lubrication system ___________________________________________ 44

Hydraulic drive ____________________________________________________________ 45

CONTENTS

Содержание Easy Spray-H

Страница 1: ...please take the time to read all the technical and safety instructions in this manual It is essential that you follow these instructions carefully so that you can handle and use the unit properly The...

Страница 2: ...ns for use provided by HI TECH accident recklessness or adjustments alterations or modifications to the Product not authorized by HI TECH or the use of accessories heating devices pumping apparatus an...

Страница 3: ...ou follow these instructions carefully so that you can handle and use the unit properly These instructions are intended to maximize user safety and avoid malfunctions deriving from the incorrect use o...

Страница 4: ...eir suppliers Dispose of waste as required by applicable legislation Disconnect the unit from the power supply before opening the electrical console Electrical maintenance should only be carried out b...

Страница 5: ...differential T of 30 C and application temperatures of 80 C under normal ambient temperature conditions Hose heating system The unit features two systems for keeping the products hot while in the hose...

Страница 6: ...________________________________________ 16A Mechanical Maximum working pressure ____________________________ 175 bar 17 5 MPa 2 540 psi Maximum output at 1 1 ratio ___________________________________...

Страница 7: ...Easy Spray H Service Manual 7 48 Issue 1 9 Ref NR 00088 ENG http www gamapur com Figure 1 General view OVERVIEW...

Страница 8: ...vers metered quantities of polyol to the system 10 Isocyanate heater Heats the isocyanate to the pre set temperature 11 Polyol heater Heats the polyol to the pre set temperature 12 Isocyanate pressure...

Страница 9: ...wise increases the flow Turning the setting screw counter clockwise decreases the flow One turn of the setting screw corresponds to 50 bar pressure When the setting screw cannot be turned clockwise or...

Страница 10: ...tank 29 Heated hose sensor switch Enables control of the temperature in the hoses 30 TCS DIP switches Enables selection of the hose heater control mode depending on whether hoses incorporate a tempera...

Страница 11: ...w seconds allowing you to change the values by touching the UP DOWN buttons After changing the value press the MODE button again to confirm your selection The parameter modification function automatic...

Страница 12: ...F In automatic control mode the temperature in the isocyanate ISO hose is shown on the corresponding display In manual control mode only the selected amperage value is shown The unit must be disconnec...

Страница 13: ...r is on but is not heating up Turn the potentiometer clockwise to increase amps and anti clockwise if you wish to decrease amps Adjustment ranges from 0 to 50 amps Take the values below as an approxim...

Страница 14: ...ompletes the pre selected number of cycles it stops dispensing product To enter the desired number of cycles press and hold the MODE button until the cycle counter starts flashing then select the numb...

Страница 15: ...l button Press this button to activate normal operation When pressed this button lights up 10 Retract button Pressing this button sets the piston of the isocyanate proportioning pump to the retracted...

Страница 16: ...noid valve and heating system cut out Check product pressure Check LED no 11 on the printed circuit board it should be on Check the safety pressure switch 5 Excess temperature ISO CONTROL POWER cut ou...

Страница 17: ...out Replace the faulty triac 000000 Preselected cycles completed solenoid valve cut out Press the MODE button to reset the counter Set the cycle selector to zero Disconnect the unit from the power sup...

Страница 18: ...t and are delivered with their ends joined to prevent humidity from entering them Do not separate them until the moment they are to be fitted to the unit Proceed as follows to prepare the unit a Remov...

Страница 19: ...mpletely full 18 litres d Check the oil level in the hydraulic pump by removing the drain coupler from the pump and making sure the oil level reaches the top of the filler neck Add oil if necessary an...

Страница 20: ...ARNING To prevent cross contamination of products make sure the tanks are properly closed To avoid spillage during transportation of the unit never fill the tanks completely always leave about 20 of t...

Страница 21: ...irection as far as it will go n Rotate the power switch to the ON position The upper pilot light goes on o Press the CONTROL POWER button p Press the NORMAL button The LED will light up One of the dir...

Страница 22: ...preparation procedure see p 18 follow the procedure given below to prepare the unit to work with heated hoses a Connect the hose heating temperature control cable to the connector on the side of the...

Страница 23: ...k and the other and always use the same tank for the same product WARNING To prevent cross contamination of products make sure the tanks are properly closed To avoid spillage during transportation of...

Страница 24: ...the motor Check that the fan blades are turning in the clockwise direction l Rotate the hydraulic pressure regulator in the anticlockwise direction as far as it will go m Rotate the power switch to th...

Страница 25: ...e products contained in the hoses have reached working temperature press the ISO and RESIN buttons located under the HEATERS CALENTADORES display Both LEDs will light up aa Press the MOTOR button The...

Страница 26: ...re efficient heating during recirculation fill the tanks with the minimum amount of product necessary for the application WARNING The product tanks are made of a plastic material which can withstand a...

Страница 27: ...cyanate heater temperature q Set the polyol heater temperature r Set the hose heating temperature and intensity For hoses with recirculation s Close the recirculation valves if open and open each prod...

Страница 28: ...ings do not reduce the pressure to zero We recommend keeping the system at a minimum pressure of 30 bars to prolong the life of the seal rings c Press the MOTOR button The LED will go out d Press the...

Страница 29: ...ons to start the proportioning pumps g Let the materials drain into their recipients from the coupling block until the tanks are completely empty h Press the NORMAL MOTOR and CONTROL POWER buttons to...

Страница 30: ...culation hose end in a recipient to collect the products contained in the tanks and inside the unit g Rotate the power switch to the ON position h Check that the taps on the coupling block are closed...

Страница 31: ...m in separate waste recipients y Open the recirculation valves located under each product tank and make sure the taps on the coupling block are closed z Rotate the power switch to the ON position aa P...

Страница 32: ...coupling block in the case of heated hoses or the recirculation taps in the case of hoses with recirculation are closed e Rotate the power switch to the ON position f Press the CONTROL POWER and MOTO...

Страница 33: ...the incorrect handling of the substances and solvents used in the spraying process read carefully the safety information provided by suppliers Dispose of waste as required by applicable legislation D...

Страница 34: ...or polyol exceeds 90 C 194 F an alarm will activate and the corresponding number will appear on the control panel 5 for isocyanate and 6 for polyol Follow the procedure below in the sequence given to...

Страница 35: ...the control panel In the event of a malfunction replace the sensor being careful not to damage it during installation The sensor should be in contact with the element Hose heating WARNING Before attem...

Страница 36: ...or 6 Triac If the other checks have not revealed any problems check the triac Replace the triac if it is not working properly 7 TCS temperature control sensor Temperature sensor malfunctions are autom...

Страница 37: ...eck the discharge upper ball valve If pressure is lost on the downward stroke check the intake lower ball valve Proceed as follows to check the ball valves a Disconnect the unit from the power supply...

Страница 38: ...ust be used to keep the component products at the minimum required transfer temperature b The product intake filter is clogged see Maintenance c The intake ball valve is leaking as a result of wear or...

Страница 39: ...oo much current is delivered to the motor Disconnect the unit from the power supply and allow the motor to cool down Open the control panel and re prime the automatic switch The motor should now work...

Страница 40: ...ian To avoid exposure to pressurized fluids do not release any connectors or perform maintenance work on parts subjected to pressure until the pressure has been completely eliminated Use suitable prot...

Страница 41: ...be 60 Ohms d Apply PTFE or thread locking compound and screw the element into place in its housing e Re connect the cables in the terminal block make sure the connection is parallel and replace the h...

Страница 42: ...ailure of the new components please refer to table 13 in the Parts Manual NR 00087 for p n of the different models and sizes Also inspect the lower and upper ball and the seat assembly looking for wea...

Страница 43: ...absorption of humidity and the possibility of contamination by reaction with the cleaning solvent begin spraying immediately after cleaning the filter To check the product intake filters proceed as fo...

Страница 44: ...p piston when the pump is operating The plasticizing oil needs to be changed less frequently if the seal rings and gaskets are in good condition To replace the plasticizing oil in the pump proceed as...

Страница 45: ...the cap of the hydraulic tank to prevent extraneous matter from falling into the tank during removal of the hydraulic components b Dismount and replace the tank s return filter c Inspect the bottom of...

Страница 46: ..._______ 20 Preparation units with heated hose ___________________________________________ 22 Purge method for heated hoses_______________________________________________ 23 Power up procedure ________...

Страница 47: ...ay H Service Manual 47 48 Issue 1 9 Ref NR 00088 ENG http www gamapur com Contents ____________________________________________________ 46 List of illustrations _______________________________________...

Страница 48: ...0088 ENG http www gamapur com Figure 1 General view __________________________________________ 7 Figure 2 Control panel ________________________________________ 11 Figure 3 Hose coupling method_______...

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