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  22 

 

Problem 

Cause 

Solution 

Tool won't 

Jets clogged 

Clean out or replace jets 

spray - low or 

Inline filter clogged 

Clean out or replace filter  

uneven spray 

Jets worn 

Replace jets 

  

Jets not aligned properly 

Re-align jets 

  

Tool valve faulty 

Repair or replace valve 

  

Quick connects or hoses restricted  Clean out or replace quick connects and/or hoses 

 

 

 

Solution Tank   Water source turned off 

Turn on faucet or find other water source 

not filling 

Float not on valve arm 

Reconnect float to valve arm - Adjust to proper height/level 

  

Float valve faulty  

Repair or replace float valve  

  

Water hose restricted 

Un-kink, clean out or replace hose 

 

Water Pressure too high 

Use pressure regulator on auto-fill hose  

  

Quick connects faulty 

Clean out or replace quick connects  (AH101B, AH102B) 

  

  

  

Solution tank  

Float too heavy/ Filled with water 

Replace float  

overflowing 

Float & chain tangled 

Make sure float chain free & hanging properly 

  

Float too high 

Adjust chain to set float at proper level 

 

Water Pressure too high 

Use pressure regulator on auto-fill hose 

  

Float valve faulty  

Repair or replace float valve  

  

  

  

Chemical Jug 

Foot valve in Filter stuck  

Clean out foot valve and filter 

Filling with  

Foot valve in Filter faulty 

Replace foot valve and filter (PDE100-11P) 

water - 

 

Overflowing 

 

: To reduce the risk of fire electrical shock or injury repairs to wiring should only be 

performed by experienced service technicians. 

  If you are not experienced in checking electrical wiring contact your nearest authorized service 
  center to perform tests and repairs to wiring and switches. 

 
 
 
 

 

Contact your distributor for additional troubleshooting 
assistance, to order parts, or for advice and assistance in 
performing necessary repairs. 

Summary of Contents for Extreme MXE-500

Page 1: ...1 LMANN21 REVISED 01 29 2015 MXE 500 Operating Manual EXTREME...

Page 2: ...ical Supply 9 Water Supply Chemicals 10 Pump Priming Solution Hose 13 Vacuum Hose 14 Foam Downer 15 Pump Out System 16 Pressure Adjustments 17 Shutdown Procedures 18 Accessory Storage 19 Troubleshooti...

Page 3: ...ly to understand how to properly operate and maintain the machine and to ensure that the equipment operates at its maximum performance level All users must read and understand this manual completely b...

Page 4: ...nits with optional Pump Out Pump Standard Equipment Vacuum Connection 2 Barb or 2 Male Flash Cuff with 2 Male NPT Vacuum Hose 25 X 1 1 2 with 1 1 2 cuff 2 cuff 2 Female Flash Cuff x 1 1 2 hose adapter...

Page 5: ...acuum Hose Sold per foot No cuffs AH36 2 cuff for 1 1 2 Vac Hose AH46 1 1 2 cuff for 1 1 2 Vac Hose AH42 1 1 2 Hose Connector PVC AH74 HP Solution Hose 1 4 X 25 w M F Quick Connects AH79D 1 4 Male Qui...

Page 6: ...n as the plug No plug adapter should be used with this machine The power cords supplied with this machine are properly sized to handle the electrical load of this machine and properly grounded as desc...

Page 7: ...s above 130 F Rinse the solution tank chemical system and pump with fresh water after each day s use Do not allow pump to run dry Always maintain adequate solution level to supply solution pump HP hos...

Page 8: ...n parallel 1 Connect the discharge exhaust hose from vacuum 1 to the exhaust pipe on machine base 2 Place the rubber stopper into the vacuum inlet port of vacuum manifold number two 3 Open vacuum gate...

Page 9: ...is connected to the circuit during operation 20amp circuits may be required 20amp circuits are usually found in kitchens and bathrooms An overloaded circuit will not always trip the circuit breaker i...

Page 10: ...metering tip and the dilution rate can only be changed by changing the metering tip See How to Change the Metering Tip on Page 11 for instructions Chemical Feed Setup Remove the chemical feed hose fr...

Page 11: ...rates are based on chemicals with water like viscosity Thicker more viscous chemicals will dilute at a different rate For powdered chemicals a liquid concentrate must be made Mix the concentrate accor...

Page 12: ...to the float valve Unhook the float from the beaded chain on the valve Unsnap the hook from the beaded chain on the float Move the bottle down to decrease the water level Move the bottle up to increas...

Page 13: ...e pump still does not prime or if flow is low or unsteady check the hose from the solution tank to the pump as well as the filter for clogging kinks or restrictions Clean or replace hose and or filter...

Page 14: ...2 vacuum hose to the 2 hose barb on the machine With the proper cuff attached to the 25 Vacuum Hose the 25 vacuum hose is then connected to the vacuum connection port on the Nautilus Extreme MXE 500...

Page 15: ...ery economically NO LABOR is involved to spray or spread defoamer it s all automatic Keeps silicone defoamers off the floor where they can cause resoiling problems The Foam Downer is an attachment tha...

Page 16: ...loat switch The pump will turn ON OFF during normal operation Pump will be damaged if allowed to run dry When ready to begin cleaning turn the Waste Pump switch to the ON position If not using the was...

Page 17: ...he pressure setting that best meets your type of cleaning Pressure gauge Regulator Unloader To increase the solution pressure turn the regulator knob clockwise To decrease the solution pressure turn t...

Page 18: ...he vacuum hose and solution hose from the machine If water remains in the solution tank use the vacuum hose and vacuum the excess water from the tank If the optional auto fill system was utilized plac...

Page 19: ...reme MXE 500 has two sets of cord wraps to hold two 12 3 x 25 power cords Carpet Wand Storage The front of the Nautilus Extreme MXE 500 is designed to hold a S Bend Carpet wand and has two straps to h...

Page 20: ...Clean or replace filter Pulsation Hose from solution tank restricted Repair or replace hose Pump intake hose or fittings leaking Repair or replace hose Tighten clamps or replace fittings Pressure reg...

Page 21: ...maged Replace gasket PA010A Recovery tank lid gasket damaged Replace gasket NM5718 Drain valve open Close valve Drain valve leaking Repair or replace drain valve PEA11 Vacuum motor hoses loose leaking...

Page 22: ...connects AH101B AH102B Solution tank Float too heavy Filled with water Replace float overflowing Float chain tangled Make sure float chain free hanging properly Float too high Adjust chain to set floa...

Page 23: ...ect Chemical Jug Denotes Water flow in high pressure hose Denotes Chemical flow Denotes by pass water flow from pressure regulator Denotes incoming water flow Nautilus Extreme MXE 500 Solution Flow Pa...

Page 24: ...xtreme MXE 500 Wiring Diagram Cord 1 VAC 1 PUMP OUT SOL PUMP Machine Base COOLING FAN 1 Dual Circuit Indicator VAC1 VAC2 VAC 2 CORD 1 12 3 B L U E B L U E G R E E N O R A N G E SOLUTION PUMP CIRCUIT B...

Page 25: ...25 VAC 1 PUMP OUT SOL PUMP Machine Base Dual Circuit Indicator VAC 2 PUMP OUT CORD 2 VAC 2 12 3 CIRCUIT BREAKER 10AMP Nautilus Extreme MXE 500 Wiring Diagram Cord 2 FLOAT SWITCH...

Page 26: ...itch Power from Cord 2 Do not turn Waste Pump Switch ON unless a hose is connected to the Pump out Outlet port If the Float switch is down the pump will not turn on when the switch is turned on When t...

Page 27: ...er cords Failure to do so may result in severe personal injury or death OPERATION INTERVAL Page CLEAN CHEMICAL FEED FILTER FOOT VALVE Daily After Each Job 28 CLEAN VACUUM SHUTOFF ASSEMBLY SCREEN Daily...

Page 28: ...tors Operating the Nautilus Extreme MXE 500 without the Vacuum Shutoff Assembly or with a poorly maintained assembly will greatly decrease the life of the vacuum motors and will void the warranty If d...

Page 29: ...dro Filter II with clean water Examine the o ring lid seal and replace as needed Re install the new or cleaned screen Screw the lid back onto the body and turn clockwise to tighten RINSE OUT RECOVERY...

Page 30: ...water into the solution tank With Cords 1 2 plugged in connect the pump prime hose to the solution outlet female quick connect Direct the end of the pump priming hose into the recovery tank vacuum bar...

Page 31: ...k Close the drain valve and dispose of the water CLEAN PUMP INLET FILTER A restricted Pump Inlet Filter can prevent the solution pump from providing adequate pressure for cleaning A restriction or air...

Page 32: ...s been drawn through the proportioner and mixed with the incoming water The metering tip can be removed from the proportioner to speed up the process Once the rinse solution has been drawn through the...

Page 33: ...ne Piston and Seal Replace as needed 6 Use a synthetic grease with Teflon such as Ultra Slick or Super Lube to lubricate the seal on the regulator piston 7 Place the piston back into the opening on th...

Page 34: ...or deep scratches Deep scratches will allow water to flow past gaskets and leak from valve Replace valve if needed Examine the gaskets and replace if cut torn or deformed Raised rounded side of gasket...

Page 35: ...unter clockwise to lower the pressure to 100psi or lower Applying high pressure over 100psi to the Auto Fill system will cause damage to the Float valve and chemical proportioning mechanism 4 Turn the...

Page 36: ...36 Parts Replacementpartsavailableforrepairof yourNautilusExtremeMXE 500 Section 3 KIT A PT054 KIT B PT055 KIT C PT056 NAUTILUS HP PUMP AP61 PARTS ASSEMBLY...

Page 37: ...BOX 2 6 CRANKCASE 1 7 PLUNGER GUIDE 2 8 HEAD BOLT 6 9 MOUNT BOLT 4 10 WASHER FLAT M6 STAINLESS STEEL 10 NS PUMP COMPLETE WITH MOTOR 1 AP61 NS PUMP COMPLETE WITHOUT MOTOR 1 PT065 NS MOTOR 1 2 HP M18 1...

Page 38: ...38 OPTIONAL AUTO FILL FLOAT VALVE ASSEMBLY NM5740...

Page 39: ...39 DESCRIPTION 1 REGULATOR BODY 2 SS SEAT O RING PT020S 3 PISTON AND SEAL PT020A 4 SPRING PLATE 5 SPRING 6 BRASS KNOB 7 REGULATOR COMPLETE PT021 7 2 7 6 5 4 3 PRESSURE REGULATOR PT021...

Page 40: ...40 Pump Out Pump PARTS ASSEMBLY...

Page 41: ...41 1 2 10 11 4 3 5 4 3 7 6 8 9 8 9 8 9 8 9 39 12 2...

Page 42: ...42 8 9 15 16 17 18 19 19A 8 20 21 22 23 23A 24 25 32 32 37 38 39 40 40 55 56 40 41 41A 9 CONTROL PANEL REAR VIEW BASE BASE SKIRT HINGE SCREWS 55 56 113 9...

Page 43: ...43 27 27A 28 29 29 31 31 9 9 32 32 33 121 122 79 116 37 1 39 13 14 14A 30 30 26 REAR VIEW BASE BASE SKIRT RECOVERY TANK VACUUM PLUG ASSEMBLY 109 106 107 108 117 38...

Page 44: ...44 32 32 43 46 37 44 46 45 52 53 TOP VIEW OF BASE 3 58 59 39 55 56 55 56 3 58 59 110 9 50 51 51 47 9 54 64...

Page 45: ...45 51 49 47 47 47 47 52 37 9 54 64 9 54 64 52 VACUUM MOUNTS CONNECTIONS 45 3 58 59 48 49 49 52 46 46 9 54 64 107 106 108 109 81 51 9 50...

Page 46: ...46 44 68 112 68 45 PUMP 3 58 59 67 69 112 60 57 BOTTOM VIEW OF BASE 3 58 59 37 9 54 64 9 54 64 61 62 63 55 39 56 55 120 3 58 59 60...

Page 47: ...47 9 41 2 BOTTOM VIEW SOLUTION TANK BASE SKIRT 72 1 73 9 9 8 8 39 74 75 76 77 77 79 122 30 30 118 119 31 75 121...

Page 48: ...48 2 39 1 72 73 73 67 9 30 31 82 83 2 83 82 84 INSIDE SOLUTION TANK BOTTOM VIEW SOLUTION TANK...

Page 49: ...49 85 86 87 101 86 102 1 VACUUM SHUTOFF ASSEMBLY INSIDE RECOVERY TANK WITHOUT OPTIONAL PUMP OUT 85 87 111...

Page 50: ...87 91 92 94 96 99 9 41A 97 98 100 101 86 102 103 PUMP OUT CORD OUTLET FITTINGS LOCATED BEHIND CONTROL PANEL VACUUM SHUTOFF ASSEMBLY INSIDE RECOVERY TANK WITH OPTIONAL PUMP OUT 85 87 95 112 111 93 1 11...

Page 51: ...51 92 91 95 94 112 13 14 14A 104 105 1 39 OPTIONAL PUMP OUT CONNECTIONS...

Page 52: ...52 35 36 79 78 36 79 34 39 123 124 125 2 1 128 32 34 126 39 127...

Page 53: ...T QTY 2 10 NM5840 WAND HOLDER STRAP LONG TOP STRAP 30 NM5014 WASHER LOCK SS 11 NM5844 WAND HOLDER BUCKLE 31 NM4063 SCREW 20 X SOCHD SS 12 NM5842 WAND HOLDER STRAP SHORT BOTTOM STRAP 32 NM5722 WHEEL 12...

Page 54: ...6 52 PA051 HOSE CLAMP 2 2 75 78 NM5756 FAN GUARD WIRE FORMED 53 NM5705X DECAL VAC CONNECTION 79 NM4031 NUT 6 32 NYLOCK SS 54 NM5141 SCREW 20 X 3 25 SOCHD SS 80 NM5124 SCREW 8 32 X PPH SS 55 NM5793 NU...

Page 55: ...VAC HOSE END 104 BR278 ELBOW 45DEG STREET NS NM5713 ADAPTER 2 FPT X HSLIP ABS 105 BR049 BARB X FPT NS NM5709 SPACER UNLOADER MOUNT 106 PHY106 028 RUBBER VACUUM PLUG NS NM5794 SCREW 5 16 18 X 1 HXHD SS...

Page 56: ...E CLAMP SOLUTION HOSE REGULATOR TO SOL TANK ID CLEAR COIL NM5086 SOLD PER INCH 32 BOTH ENDS HOSE CLAMP HP HOSE 1 PUMP TO REGULATOR HP PULSE SOLD ASSEMBLED 60 REG END MS PUMP END 3 8 MS HP HOSE 2 PUMP...

Page 57: ...ty shall not apply to defects resulting from improper operation lack of maintenance unauthorized modification chemical incompatibility misuse abuse or exposure to freezing temperature conditions It do...

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