Home

ELECTRICAL

1. O ONS 9 aynssaud 536012 0 J m 105 H LIMS 7903 YALYVLS L4IHS GIONITOS yg 392 sa330xX3 OVN M 1 35019 _ Ta 30 LNO ON Vy NAHM 095010 YOSNAS 7 ya Tans X OIA SMS 1 avaa T 5 Sh nav P A 9 91 10 dWAL am M M ad Shiva 1 C 2 M avaJ 5 O MOWL yo HOWL Ng 39Y913N4 CIA TWYLNAN NI 3 079 1 MOTIAA AONVYO 5 330 SI JLHM M AWD wr Ld LFIOIA lt N9 IMS NYL And Age J San Nd 4 5 51 lt SHd09 yoeq uous HONE a i Sig LYVLS AX pue vid NO suo o uuoo OU 440 6 8 6
2. lt TAVIS JO 1 oe OV 1 2 annn___ 12 6 weds NIML Ya HOM YO JLIHM M AD 1970 OIA NIJH9 NO NYL 1 ania yoya 9 53405 30709 JAIM S I g 191 AX pue OU 440 ANIT 5191515 OIA yoeq UONIUB NSHM aasol aa 5012 G MS L LYVLS 3 i AV14u 2 6 Jan Q 3 0719 oe ZMS T aN9 ya lt 1 51 lt TWNOILdO _K __ Gd OIA 5 3359 197 elec a Fig 0322 6 23 Rev 001 TX420 TX425 Series Service Manual ELECTRICAL Electrical Schematic 425 Ser 220000100 270000999
3. NS GND g dIONNTOS JNN 3791513 Tans 3 HOLIMS CIONIIOS 3986 S0339X4 SVN LHVIS ng 5 5365010 S ON 10 40 LNO 5 5 v 035019 O Sau YACNAS OV SMS 7903 S OIA YO AV14 TIM P Ly i SIJINGOW 1 JAVI NOILINDI f uo ran hee 1 1915 ap yy 57 L a NI J39Y9 1915 N3HM G3S0190 R 1 ah 290 4 6 5 350 55 24 035019 Ma Woe LMS IOA dy NVL ama 278 Yq 1 ata a 3 VOL 2 54 a 28 _ GND 3409 40709 SHIM yoeq
4. ou YOUWMS 9 ya yg No 1 Id Ay yO yO vd IWNOILdO Y71009 431009 9 LYVLS pue NO S1H NAYIH IWNOLLdO SOOT AAO 8082 01 SSANHVH 78 rT t g S X HOLIMS NOILIN I YMS 2 3325 168 elec Fig 0319 TX420 TX425 Series Service Manual Rev 001 6 20 ELECTRICAL Electrical Schematic TX420 Ser 210000501 220000400 This model serial number break has a fan and a temp erature sensor light and sounding alarm J GH A eE Q 9 HL 535210 us COINITOS HOLMS Tana 99 691 5 ya 4682 NAHM 53502 JHVLS fon KI 443139 40 D NAHM 5 HOSNAS dASL ay L
5. x HOLIMS NOILINSI YMS 6 3329 749 elec Fig 0323 TX420 TX425 Series Service Manual Rev 001 6 24 ELECTRICAL Electrical Schematic TX425 Ser 280000100 280000999 This model serial number break has no brake switch 010 1105 1652 EE F 2 3130 30 100 110 03501 805835 103130 31 139 1117 ab ub 9 NOI LINO a dal 110 WuVdS WuWdS Y 8 LYVLS ND ia Af Tovg 113 WALN3N NI NOH N3HM 435012 j 1 3 Wd 1134 JONVYO 0 CMS JLIHM 1340 6354 466 13101 3389 13 2 ela 9 5 5 10118 9 eda NMOUG Nie 0 4 2918 140 lt 1 Wd 5 51002 80102 341 3204 WOJ 2 0 0 L pi 8 19 14915 PUO VIG NO OU 440 SOLON Y S Z Y I x CHOLIMS NOILINSID YMS 7 3359 197 elec Fig 0324 6 25 Rev 001 TX420 TX425 Series Service Manual ELECTRICAL THIS PAGE INTENTIONALLY LEFT BLANK 6 26 Rev 001 TX420 TX425 Seri
6. Rev 001 ELECTRICAL How It Works The pressure switch is designed to break contact as the oil pressure increases above 3 5 psi and makes contact as the oil pressure decreases below 3 5 psi Testing Compressed air a pressure regulator pressure gauge and continuity tester are required to test this switch 1 Connect continuity tester across the blade terminal and the metal case of the switch With psi applied to the switch the tester should indicate continuity switched closed 2 Gradually increase the pressure to the switch As the pressure increases through the range of 3 0 5 0 psi the tester should indicate a change to no continuity switch open The switch should remain open as the pressure is increased to 90 psi maximum Fig 0310 IMG 7279a Fig 0310 6 15 ELECTRICAL 3 Gradually decrease the pressure through the range Location of 3 0 5 0 psi the tester should indicate a change to continuity switch closed down to 0 psi Fig 0311 The solenoid is mounted on the carburetor on the fly wheel side Fig 0312 Fig 0311 IMG 7277a Fig 0312 IMG 7272a 4 Replace the switch if it does not operate as spec ified How It Works The solenoid is attached in place of the fixed main jet Fuel Solenoid Kohler Engine screw The solenoid has spring loaded pin that retracts when 12 volts is applied to the wire lead The pin blocks Purpose the main fuel jet and prevents fuel entering the carbure t
7. on the switch A bolt located on the traction control lever aligns with the sense zone in the neutral stop position to magnetically close the contacts the switch Fig 0292 FPO PATENT PENDING Fig 0292 CLR MVC 885X TX420 TX425 Series Service Manual Testing 1 Before electrically testing the switch check the loc ation of the switch and bolt to make sure they are meeting in the sense zone on the switch Both the switch and the bolt are adjustable and the air gap between them should be 1 8 to 1 4 3 2 to 6 4mm 2 Disconnect the switch from the wiring harness and remove it from the unit 3 Using a multimeter ohms setting check the con tinuity of the switch at the wire terminals There should be NO continuity switch open 4 Using the steel blade of a screw driver or similar object touch the blade of the screw driver against the sense zone of the switch There should be continuity switch closed Fig 0293 CLR MVC 879X Fig 0293 TX420 TX425 Series Service Manual ELECTRICAL Light Hydraulic Temperature Purpose The temperature light alerts the operator that hydraulic oil temperature has reached at least 235 F 112 7 C The light is operated by a grounding temperature sen sor threaded into the hydraulic tank The light is also connected to an audio alarm to notify the operator of the overheating condition Location The temperature light is located on the control panel
8. 5 The relay should make and break continuity between terminals 30 and 87 as 12 VDC is applied and removed from terminal 85 Fig 0281 4 Connect the multimeter ohms setting leads to relay terminals 30 and 87 Apply 12 VDC to terminal 85 With terminal 86 still grounded the relay should break and make continuity between terminals 30 87 as 12 VDC is applied and removed from the terminal Fig 0281 5 Disconnect voltage and multimeter leads from relay terminals 6 2 Rev 001 Ignition Switch Purpose This component provides the proper switching for the starter ignition accessories and safety circuits Location The ignition switch is mounted on the right hand side of the control panel Fig 0282 Fig 0282 IMG 6924 How It Works Detents inside the ignition switch give it 3 positions OFF RUN and START The START position is spring loaded so the cylinder automatically returns to RUN once the key is released TX420 TX425 Series Service Manual ELECTRICAL Testing Auxiliary Neutral Switch 1 Disconnect the switch from the wiring harness Purpose 2 Verify that continuity exists between the terminals The normally closed ball type switch is used on the listed for the START and RUN switch positions auxiliary power valve This is a safety switch to make Verify that there is NO continuity between the term sure the auxiliary power valve is in the neutral detent inals in the OFF switch position F
9. Fig 0294 IMG 6922 Fig 0294 How It Works The light is on the same circuit as the temperature sensor that is threaded into the hydraulic tank The tank sensor grounds the circuit at 235 F 112 7 C resulting in a completed electrical circuit which causes the light to come on and an audio alarm to sound Rev 001 6 7 ELECTRICAL Testing Sensor Hydraulic Temperature TX420 200000100 thru 210000999 Purpose Disconnect the wire harness plug from the light Connect 12v to the terminal with a symbol stamped into it and connect the ground to the other terminal If the light does not illuminate then replace the light assembly If the light does illuminate check the circuit wiring Fig 0295 The temperature sensor indicates that the hydraulic oil is overheating Location TX420 425 220000100 and up The sensor is threaded into the hydraulic oil tank on the engine side of the tank Fig 0297 Fig 0295 IMG 6964 TX420 425 220000100 and up Disconnect the wire harness plug from the light Connect 12v to the A terminal and connect ground to the terminal If the light does not illuminate then replace the light assembly If the light does illuminate check the circuit wiring Fig 0296 Fig 0297 IMG 6911a Fig 0296 IMG 6962a 6 8 Rev 001 TX420 TX425 Series Service Manual TX420 200000100 thru 210000999 sensor is mounted the lower center of the mainf
10. Relay Purpose The TX 420 425 use two relays to direct current flow to different areas of the unit The two relays are the kill relay and the start relay Electrically they both operate the same Location The relays are located under the hood mounted to the tower assembly Fig 0279 The relay on the left is the start relay The relay on the right is the kill relay Fig 0279 IMG 6903 TX420 TX425 Series Service Manual ELECTRICAL How It Works A relay is an electrically actuated switch 1 Coil Terminals 85 and 86 are connected to coil Applying 12 volts to these terminals energizes the coil turning it into an electromagnet 2 Switch Terminals 30 87 and 87a are actually part of a single pole double throw SPDT switch Terminal 30 is the common lead The switch is spring loaded so that 30 and 87 are connect when the coil is not energized When the coil is energized the switch is thrown and 30 and 87 are connected Fig 0280 Fig 0280 0671 001 6 1 ELECTRICAL Testing 1 Disconnect the relay from the harness 2 Verify the coil resistance between terminals 85 and 86 with a multimeter ohms setting Resistance should be from 70 to 90 ohms There should be continuity between terminals 87a and 30 Fig 0281 not energized Fig 0281 xl relay 3 Connect the multimeter ohms setting leads to relay terminals 30 and 87 Ground terminal 86 and apply 12 VDC to terminal 8
11. V 1 l 2 5 1 l L nnm MaVdS MOVL YS 1HOM LN MOTIJA A AONVYO YO JLIHM M AD LAIOIA OIA 3349 NO NYL 1 Ng yg 53405 30709 JHM S g LHYLS AX pue 9 SUOI O UUOD OU 440 ANIT 9319 3 OIA L d OIA yoeq YOUMS 1 913 lt a 079 GMS ee L 4 1 19 J ee A I 1 1 _ N NO Me J39NY9 NI Tana 430 1 NAHM 938070 J agsolo ZMS NO Md L MS lt 1 1 lt TWNOILdO 4 3327 244 elec a Fig 0321 TX420 TX425 Series Service Manual Rev 001 6 22 ELECTRICAL Electrical Schematic TX420 Ser 280000100 280000999 This model serial number break has no brake switch hydraulic temperature switch light or sounding alarm 1 LKS 22 20 nt Q GIONS10s HOLIMS i
12. at shrink tubing Fig 0307 Replace the fan if it fails to run or runs improperly with 12v applied directly to the fan motor terminals Fig 0306 Fig 0307 PICT 4328a Fig 0306 IMG 6989 How It Works When current flow in the circuit exceeds that of the fusible link the wire melts and interrupts the circuit TX420 TX425 Series Service Manual Rev 001 6 13 ELECTRICAL Testing Check for a failure of the 30 amp fuse first Disconnect the wire from the starter solenoid Remove the heat shrink from the splice Use a test light to check for power at the terminal end and of the splice If power is present at one end and not the other then the fusible link is bad Testing the fusible link with an ohmmeter Disconnect the battery and attach the ohmmeter leads to each side of the link If it is good you will get a reading on the meter If not it will read open A fusible link that has seen excessive current will also have brittle or melted insulation Brake Switch Purpose To shut the engine down if the brake is in the ON position This will prevent damage to the drive system Location Under the control panel under the right hand cover How It Works The proximity traction control neutral switch and the brake switch work in conjunction with each other One of the switches must be closed to provide 12v of power to the kill relay The brake handle pushes against the button on the switch and completes the circui
13. cate u vel i 4 Replace the gauge if the fuel sender tests correctly but voltage fuel level indication does not Location The fuel gauge is located on the control panel Fig 0302 w Fig 0303 IMG 6971 HYDRAULIC Fig 0302 IMG 6921 0 Volts Ground 12 Volts from Ignition switch 2 5 Volts tank full 7 5 Volts tank empty All voltage readings should be within 20 Typical values TX420 TX425 Series Service Manual Rev 001 6 11 ELECTRICAL Fuses Purpose Fuses are used in the circuits to limit damage in the event of excessive current flow If a fuse fails look for a short circuit a corroded poor connection or any com ponent that appears to have been overheated A failed fuse is a sign of a problem in that circuit Location Fuses are located under the hood mounted to the tower assembly Fig 0304 a of the following 5 yply to this product 155709223 56851 916 panding Fig 0304 IMG 6972 A 15 amp Fan motor 10 amp Neutral switch and gauges 25 amp Charge fuel solenoid 30 Start circuit How It Works The fuse block is where the wires that carry 12 volts meet the wires that need 12 volts to operate a compon ent or function The fuse makes the connection between the 12 volt wire carrying the current and the 12 volt wire that needs the current 6 12 Rev 001 Testing A failed fuse will often be di
14. es Service Manual
15. fe 1 i ai 6 OV N9 1N313Q 40 LNO HOSNSS 9 osi N3130 5 2 SMS 7303 S na f ab STINGOW anv NOILINDI 9 25 HVdS wo 1 ig Ove gNIML YJIHOM In AV14Y 1415 a J NO 2 S p a WHLNAN NI 9 9 19015 N3HM G3s010 a MOTISA 2 VALOJN S 8 330 55 24 NaHM 0380710 ALIHM Boe yoe NO LMS 10A d amp NYL ae ama 1 vol GND 3009 40709 22 2 euru uous 6d 2 WNOILdO 519 LYVLS pue VId SUOI O9UUOD OU 6 v 5 HOLIMS NOILIN I YMS YNOH 6 19 Rev 001 1 3322 880 elec Fig 0318 TX420 TX425 Series Service Manual ELECTRICAL Electrical Schematic TX420 Ser 210000100 210000500 This model serial number break has a fan kit and a temperature sensor light and sounding alarm
16. ig 0283 Fig 0284 Position Condition Fig 0284 CLR MVC 866X Location Fig 0283 MVC 166 art Open the rear door or remove the rear panel The neutral switch is threaded into the lower portion of the auxiliary valve Fig 0285 Fig 0285 IMG 6984a TX420 TX425 Series Service Manual Rev 001 6 3 ELECTRICAL How It Works The switch has a spring loaded ball When the auxiliary valve is in the neutral position the ball moves into a machined notch located in the spool The normally closed switch then provides a ground to the start circuit When the auxiliary lever is moved out of neutral the spool pushes against the ball end of the switch and opens the ground circuit which prevents the engine from starting Testing 1 Disconnect the switch connector from the wiring harness The ball end of the switch should remain installed in the auxiliary power valve 2 Using a VOM multimeter ohms setting verify continuity between the two connector terminals 3 With the Multimeter ohms setting leads connected to the two wire terminals move the auxiliary power valve handle to either the reverse flow or forward flow position There should be NO continuity 6 4 Rev 001 Hour Meter Tachometer Purpose The digital hour meter displays engine run time service reminders and engine rom When the engine is off the hour meter tachometer displays the number of operation hours that have been logged on the traction un
17. it When the engine is running it displays the speed of the engine in revolutions per minute rpm After 50 hours and then every 100 hours thereafter that is at 150 250 350 etc the screen displays CHG OIL to remind you to change the engine oil After every 100 hours the screen displays SVC to remind you to perform the other maintenance procedures based on a 100 200 or 400 hour schedule These reminders come on starting three hours prior to the service interval time and flash at regular intervals for six hours The service icon looks like an hourglass is set up to flash at 8 hours Break in Period and then every 99 hours At every 99 hour interval a SVC icon will flash The SVC icon is a reminder to change the hydraulic oil and filter The mechanical hour meter displays engine hours Note The mechanical hour meter will log hours with key in the On position even when the engine is not running TX420 TX425 Series Service Manual ELECTRICAL Location How It Works The hour meter is mounted in the control panel Fig The digital hour meter is an electronic clock It is not 0286 and Fig 0287 repairable or resettable Fig 0288 TX420 425 210000501 and up Digital hour meter Fig 0288 IMG 7016 Fig 0286 IMG 7013 The mechanical hour meter provides the hours the key is in the ON or RUN position It does not provide any maintenance reminders Fig 0289 TX420 200000100 thru 210000500 Mecha
18. nical hour meter 20000 21 Fig 0289 7006 Fig 0287 IMG 7005 TX420 TX425 Series Service Manual Rev 001 6 5 ELECTRICAL Testing The digital hour meter should be replaced if any of the functions do not work properly Prior to replacing the hour meter check the continuity using VOM multimeter ohm setting on the wire from the spark wire to the hour meter If the wire continuity test is good then replace the hour meter The mechanical hour meter should advance in hours when 12 volts is connected to the positive terminal and ground is connected to the negative terminal the hour meter If the hour meter does not advance in hours then replace the hour meter If the hour meter does advance in hours then check the wires connected to the hour meter Neutral Proximity Magnetic Switch Purpose The neutral proximity switch ensures the traction control lever is in the neutral stop position when starting the unit It is a magnetic type switch and it must be in close proximity to the traction control lever bolt to close the contacts Fig 0290 Fig 0290 CLR MVC 878X 6 6 Rev 001 Location The neutral proximity switch is located under the center panel of the control panel The drive handle and the center panel must be removed to access the neutral switch Fig 0291 Fig 0291 IMG 7027 How It Works The neutral proximity switch has a sense zone which is the magnetic portion
19. or when solenoid is not energized The fuel solenoid shuts the fuel off from entering the carburetor when the ignition key is turned to the off position Simultaneously ground is applied to the ignition coils so fuel and spark are shut off resulting in engine shut down 6 16 Rev 001 TX420 TX425 Series Service Manual ELECTRICAL Testing Diodes Kohler Engine Note When the solenoid is removed gas will leak Purpose out of the carburetor Shut of the fuel to the carburetor and use a rag to catch fuel already A diode allows current flow in the circuit with little resis in the line tance It provides protection to the circuit from a large current draw 1 Shut off the engine and remove the solenoid from the carburetor 2 Attach a ground wire to the mounting bracket Location 3 Apply 12 volt to the solenoid male wire terminal Diodes are located approx 8 20 3cm from the fuel solenoid female terminal behind the flywheel housing 4 Ifthe retracts the solenoid is good Fig 0313 Fig 0314 Note Refer to the Kohler Service Manual for addi tional information Fig 0314 IMG 7298a Fig 0313 IMG 7269a How It Works A diode will only allow electrical current to flow in one direction and blocks it in the opposite direction TX420 TX425 Series Service Manual Rev 001 6 17 ELECTRICAL Testing The heat shrink material will have to be removed to obtain access to the diodes Digital multimeter
20. rame on the engine side of the tank Fig 0298 4195 Fig 0298 How It Works The tank sensor grounds the circuit at 235 F 112 7 resulting in a completed electrical circuit which causes the light to come on and an audio alarm to sound Testing Disconnect the wire harness from the temperature sen sor An ohm meter hooked to the plug terminals should read open circuit when tested at less than 235 F 112 7 C It should read closed circuit when tested at 235 F 112 7 C and higher TX420 TX425 Series Service Manual ELECTRICAL Alarm Hydraulic Oil Purpose The audible alarm produces a pulsating loud tone to alert the operator of overheating hydraulic oil Location The audio alarm is located in the control panel under the left control panel cover Fig 0299 IMG 6937 Fig 0299 How It Works There is 12v of power running to the audio alarm when the key is in the ON or RUN positions The hy draulic tank sensor provides a ground for the light and the audio alarm if the hydraulic oil temperature reaches 235 112 7 Rev 001 6 9 ELECTRICAL Testing Ground the negative terminal on the alarm Apply 12volts to the positive terminal on the alarm If the alarm does not sound replace the alarm If the alarm does sound test the electrical circuit Fig 0300 Fig 0300 IMG 6969a 6 10 Fuel Sender Purpose This electrical component monitors
21. s have a special setting for testing a diode usually labeled with the diode symbol Connect the red lead to the anode and the black to the cathode The diode should conduct and the meter will display a value usually the voltage across the diode mV 1000mV 1V Reverse the connections The diode should NOT con duct this way so the meter will display off the scale usually blank except for a 1 on the left Fig 0315 and Fig 0316 Fig 0316 IMG 7301a A Minus B Plus Diode symbol Fig 0317 Fig 0315 IMG 7300a A Minus B Plus Fig 0317 diode symbol A Anode B Cathode 6 18 Rev 001 TX420 TX425 Series Service Manual ELECTRICAL Electrical Schematic TX420 Ser 200000100 200000999 This model serial number break has no fan but has a temperature sensor light and sounding alarm GND q 1 5 JNN ASNI HOLIMS 15 1 5 5 a 3986 SGAA90XA 1 avis
22. scolored or melted Please note that not all fuse failures are easy to see A fuse can be checked with a continuity tester if there is doubt If there is no continuity between the fuse terminals replace the fuse even if it appears good Hydraulic Oil Cooler Fan Purpose The hydraulic oil cooler fan creates air flow across the oil cooler to dissipate heat Location The fan is mounted in the hood within a sheet metal housing Fig 0305 IMG 6979a Fig 0305 TX420 TX425 Series Service Manual ELECTRICAL How It Works Fusible Link The fan runs with the key in the ON and RUN positions Purpose When the hood is closed the fan draws cool air in from the side openings in the hood and pushes the cool air through the sheet metal housing over the top of the oil cooler The fusible link wire is smaller than the rest of the circuit and acts as a high current fuse that protects the circuits from excessive current draw Testing Location Check the 15 amp fuse first Disconnect the fan wire The fusible link is 6 15 2cm long blue wire with plug from the wire harness Apply 12v to the blue long round eyelet connected to the B terminal on the starter wire and negative to the black wire on the fan motor solenoid The blue wire is connected to the red B wire If the fan motor runs then check the wire harness ahead coming from the ignition switch The connection is pro of the fan connection tected by he
23. t to the kill relay to allow the engine to start The proximity traction control neutral switch provides 12v to the kill relay for starting Once the engine is running moving the traction control out of neutral opens the proximity switch If the parking brake is applied switch open power is removed from the kill relay and the engine stops 6 14 Rev 001 TX420 425 Serial 200000100 250000399 The brake switch is open when the brake is in the ON position TX420 425 serial 270000999 The brake switch is open when the brake is in the OFF position Testing Connect the ohm meter leads to the brake switch termi nals that are across from one another either the top two or the bottom two terminals When the brake switch is compressed there should be continuity When the brake switch is released it will read open Fig 0308 Fig 0308 IMG 6986a A Top B Bottom TX420 TX425 Series Service Manual Oil Sentry Kohler Engine Note The Oil Sentry Switch is on the engine but it is not connected to an indicator light shut down switch or sounding devise Refer to Kohler Service Manual for additional information Purpose Optional oil pressure monitor switch The switch will shut off the engine or activate an indicator light or sounding device Location The Oil Sentry Switch is located in the breather cover in front of the carburetor Fig 0309 IMG 7274 Fig 0309 TX420 TX425 Series Service Manual
24. the fuel level in the fuel tank sending voltage to the control panel gauge indicating fuel level Location The fuel sender is mounted on the right side of the top surface of the fuel tank Fig 0301 Fig 0301 CLR DSC 0672 How It Works A float is attached to a pivoting lever The pivoting lever rotates a potentiometer a device similar to the volume control on a stereo to vary resistance The resistance should vary from 33 to 240 ohms Rev 001 TX420 TX425 Series Service Manual ELECTRICAL Testing How It Works Disconnect the two wires and remove the mounting The meter moves in proportion to the amount of resis screws Remove the sender from the fuel tank Place tance provided by the fuel level sender located in the the VOM negative lead on the negative terminal and the fuel tank The movement is dampened to compensate positive lead on the center stud Refer to the chart below for movement of the fuel in the tank for proper resistance depending on float position Float Position 5S ohms 20 ohm esting Empty 240 ohms 6 ohms 1 Check the 10 amp fuse 2 With the gauge still connected to the harness turn the key to the ON position Fuel Gauge 3 Using a VOM set scale capable of reading 12 Purpose volts DC Connect the negative lead to the ground terminal G and the other lead to the positive terminal S Fig 0303 to verify the conditions in the Th indicates the fuel level in the tank gauge indi
25. we 7912 SMS he sSTINGOIN 5 gee ra 9 F 5 JAIL 5 1 YO Na 8 6 1415 8 YSTHOW HOWL i i 1914 HNOH oe ad N3HM 993 07 Ove LN MOTIAA OT ake J5NYHO yaz 2 A CMS 340 51 Mia AS casas NO IOA a ie OMS gt NYL ote ama H AVIA 4009 YO TOD OM SUA POO puua YOUMS 4 b 1 WSL Oy td L LYVLS pue vid SUONOSULIOD OU 440 X VHL or L 5 x HOLMS TAS SLHSMNOVSH TYNOWdO 6d 3 3325 662 elec Fig 0320 6 21 Rev 001 TX420 TX425 Series Service Manual ELECTRICAL Electrical Schematic TX420 Ser 220000401 270000999 This model serial number break has a fan but no temp erature sensor light or sounding alarm 1 lt LAIHS 48 106 ans HOLIMS i Ov HS lt gt 14 15 1 i 2 O

ELECTRICAL

Contents

Download Pdf Manuals

Related Search

Related Contents