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Komatsu Breathesafe WA900-3EO, Installation Overview

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WA900

INSTALLATION OVERVIEW

Manufacturer KOMATSU

Type W H E E L L O A D E R

Model WA900-3EO

Site ROBE RIVER IRON ASSOCIATES

Serial Number 60348

Cabin Pressure Max 253Pa

Set Auto Cabin Pressure 50

Key Modules High Capacity Pressuriser - HEPA H13 FRESH AIR INTAKE

INPRESS Cabin Pressure Monitoring & Display
HEPA Return Air filter - RECIRCULATION AIR INTAKE
HVAC SYSTEM UPGRADE

Summary of Contents for Breathesafe WA900-3EO

Page 1: ...turer KOMATSU Type WHEEL LOADER Model WA900 3EO Site ROBE RIVER IRON ASSOCIATES Serial Number 60348 Cabin Pressure Max 253Pa Set Auto Cabin Pressure 50 Key Modules High Capacity Pressuriser HEPA H13 F...

Page 2: ...ant circuit breakers opened to isolate the circuit The air conditioning system has various types of rotating equipment installed Ensure all safety guards are in place while the system is running The r...

Page 3: ...the operator In essence this part of the system controls dust from shoes and clothes 10 The air passes through the HVAC system and into the cab 11 Positive cabin pressure ensures a safe work environme...

Page 4: ...7500 Hours 3 4 TQ47010320H TQUCPM INPRESS 1 Cabin HEPA RETURN AIR FILTER BREATHE SAFE DIGITAL DISPLAY DATA RECORDER 10000 Hours Refer to page 16 INPRESS TL ACTIVATED CARBON PHASE Item Part Number Qty...

Page 5: ...thermostat in the compressor clutch circuit AUTOMATIC CONTROLS The universal electronic thermostat has been selected for its reliability and functionality It has been pre programmed to provide the opt...

Page 6: ...n Temperature 29o C DB 19 o C WB Suction Temperature 2o C Ambient Temperature 30 o C Refrigerant R134a Total Refrigerant Charge 2 2kgs THERMOSTAT The electronic thermostat controls return air temperat...

Page 7: ...mperature without get ting any warmer It should be noted that the boiling point of water is 100 o C only if it is subjected to the air pressure at sea level The boiling point temperature will actually...

Page 8: ...rant as it travels through the system the descriptions of the refrigeration components have been listed in the order which coincides with refrigerant flow 1 Condenser Coil Condensing of the refrigeran...

Page 9: ...igh discharge side service valve is quickly identified by the smaller discharge hose routed to the condenser while the low suction side has a larger hose coming from the evaporator The valve is normal...

Page 10: ...rance IMPORTANT The air conditioning system must be run for a minimum of five minutes each week regardless of the season to lubricate the system and prevent damage to the seals 1 2 3 4 5 6 7 Item Desc...

Page 11: ...the controller please press in the middle of the panel and with two screwdrivers gently pry the controller free Once started it will eject automatically To install the controller again please push it...

Page 12: ...condensing Basic Input 1 25o C Rb 5K B 3274 Interior temp sensor at 25C Rb 5K B 3274 2 25o C Rb 5K B 3274 Defrost temp sensor at 25C Rb 5K B 3274 3 ACC Battery Basic Output 1 1 6 10V Fan speed Signal...

Page 13: ...es the air volume to 100 The voltage output is 10V and thefan motor runs at full speed TEMPERATURE SETTING Turn the Temperature Knob to set the temperature value in the range of 15 32o C POWER SWITCH...

Page 14: ...ature as follows If the interior temperature setting temp 2o C the compressor is turned off If the interior temperature setting temp 2o C the compressor is turned on 8 Defrost Function The Controllers...

Page 15: ...ded may incur costly machine down time It is strongly recommended that an annual service programme be implemented This full unit service should be carried out once a year generally just prior to the b...

Page 16: ...tray Check for cleanliness Check for drain pipe blockage Main frame and panels Unit mounting Check securing screws and catches Check securing screws Check plenum seal for leaks Refrigeration lines Fr...

Page 17: ...er element and while up side down hit firmly on a flat surface Repeat procedure several times or replace element as required Filter Housing Check the lid seals and all bolt and screws are secure THREE...

Page 18: ...an overcharge of refrigerant causes excessive head pressures which in turn can cause considerable damage 6 Backseat the suction service valve but do not disconnect the cylinder at this stage 7 Allow r...

Page 19: ...NOT wash 4 Check the rubber seals at the base of the filter element for damage or deterioration 5 Remove accumulated dust from filter housing 6 Refit the filter element ensuring that it seats correct...

Page 20: ...ration system 6 Using a sharp instrument carefully prise out the conical shaped strainer from the inlet port Note Care must be taken not to tear the wire gauze 7 Carefully wash the gauze in a suitable...

Page 21: ...gs Mining Spec Deutsch electrical plugs as standard Construction Heavy duty plate laser cut CNC formed fully welded Serviceability Fully hinged lid complete with flush fitting Cam locks Finish Satin P...

Page 22: ...NFIDENTIAL Manufacture TRACS Qld E Mail nick breathe safe com TOLERANCES LINEAR XX 1 50mm XX X 0 75mm XX XX 0 25mm ANGULAR 0 30 Unless Staded on Drawing The informa on contained in this drawing is the...

Page 23: ...r Kit Brushless Stainless Steel 316 2B 08 09 2014 53 74 04600 Steve Johnstone kg Sheet No 08 September 2014 Date Printed Copied All dimensions in mm PROPRIETARY CONFIDENTIAL Manufacture TRACS Qld E Ma...

Page 24: ...on contained in this drawing is the sole property of TRACS QLD Ltd Any reproduc on in part or as a whole without the wri en permission of TRACS Ltd is prohibited Manufacture KOMATSU Tolerance 0 5mm un...

Page 25: ...07 4 TL4M 8 1 Motor Filter Gasket TLO1 9 1 Filter Gasket TLG1 10 1 Wiring sleeve grommet TL4M TLWSLEEVE 11 1 Filter Seal HEPA Filter 161 x 250L TLF700EN 12 3 M6 Nyloc Nut 13 3 M6 x 55 Hex Bolt 14 4 M8...

Page 26: ...ht Model Pressuriser Filter Parts Lis ng PC 4000 As Detailed 15 01 2014 24 68 Steve Johnstone kg Sheet No 15 January 2014 Date Printed Copied All dimensions in mm A C N 109 689 803 A B N 42 109 689 80...

Page 27: ...the unit closed run engine up to maximum rpm STEP 5 Note compressor discharge and suction pressures and check the feel and condition of the compressor suction service valve STEP 6 If the discharge pr...

Page 28: ...ve on either of the suction or liquid line connections Note It is important that the nitrogen charging set is supplied with a shut off valve pressure reducing valve cylinder pressure gauge line pressu...

Page 29: ...of the compressor The low side gauge registers both pressure and vacuum The vacuum side is utilised to record the vacuum pulled during evacuation of the system in inches of mercury The pressure porti...

Page 30: ...the intake port on the vacuum pump 4 Ensure that the vacuum pump discharge valve is closed 5 Switch the vacuum pump on and open the hand valves on the gauge set Open the vacuum pump discharge valve a...

Page 31: ...em charging Ambient Temp o C COMPRESSOR Discharge Pressure kPa Suction Pressure kPa 16 o 850 1200 20 100 21 o 1050 1750 20 100 27 o 1250 1900 20 100 32 o 1400 2150 30 150 38 o 1600 2300 30 200 43 o 19...

Page 32: ...to open the charging port 6 Run the engine at 1500 r p m select HIGH COOL on the Main Control Switch 7 Slowly open the low pressure gauge manifold hand valve al lowing the system to draw refrigerant v...

Page 33: ...suriser system without the correct electrical safety measures being taken and all relevant circuit breakers opened to isolate the circuit the pressuriser has various types of rotating equipment instal...

Page 34: ...inst appli cable ambient temperature DISCHARGE SUCTION TABLE Ambient Temp o C COMPRESSOR Discharge Pressure kPa Suction Pressure kPa 16 o 850 1200 20 100 21 o 1050 1750 20 100 27 o 1250 1900 20 100 32...

Page 35: ...ve TX Valve jammed shut Blocked Evaporator Blocked Condenser Locate leak repair Evacuate charge system Replace TX Valve Determine cause Repair or replace blower motor Check and clean coil TX Valve jam...

Page 36: ...s necessary Air or moisture in the system Leak test Evacuate charge system Heating system not correctly shut off Check rectify Compressor shaft seal leak Replace shaft seal System low on refrigerant B...

Page 37: ...gap Replace clutch if necessary Replace thermostat Incorrect TX valve superheat adjustment Replace bulb if necessary Thermostat adjusted too low Adjust or replace valve Adjust thermostat Diagnosis of...

Page 38: ...mpressor inside the unit Replace pulley bearing Repair or replace as necessary Tighten or replace as necessary Check mounting Remove compressor for service or replacement Faulty compressor Thoroughly...

Page 39: ...alve will either maintain an al most closed position or may close completely To test for a defective power element the thermal bulb should be removed from the suction line and warmed by holding it tig...

Page 40: ...suction line will be relatively warm while the suction pressure will be low due to little or no liquid being supplied to the evaporator if the shortage is severe 10 OVERCHARGE OF REFRIGERANT An overc...

Page 41: ...NOSIS FOR ELECTRONIC THERMOSTATS Test Reason Power present at P1 1 in LO MED HI Note P1 1 refers to terminal No 1 Ensures power supply to thermostat Continuity between P1 5 and earth Ensures circuit t...

Page 42: ...XX 0 25mm ANGULAR 0 30 Unless Staded on Drawing The informa on contained in this drawing is the sole property of Breathesafe Pty Ltd Any reproduc on in part or as a whole is prohibited without wri en...

Page 43: ...is receiving the correct power supply that it is main tained once the machine is running 2 If the unit uses a motor with serviceable brush s Check brush con dition and for any dust build up in the bru...

Page 44: ...in relation to service outside our factory or designated service branch including traveling time waiting time transport costs mechanical and overtime payments required This warranty does not cover dam...

Page 45: ...IBUTOR INTERNATIONAL SERVICE SUPPLY 10740 181 STREET NW EDMONTON ALBERTA www issminesafety com CONTACTUS Phone 61 7 3276 7833 Fax 61 7 3276 8960 37 Argon Street Carole Park Qld 4300 169 Chisholm Cresc...

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