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Maintenance 

Proper maintenance is required to keep the MX3-500RP operating properly, prevent 
downtime and to extend the life of your equipment. 

WARNING: Disconnect electrical power before performing any service or 
maintenance inside machine base or before testing or repairing switches or power 
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 – After Each Job 

28 

CLEAN HYDRO-FILTER II 

Daily – After Each Job 

29 

RINSE OUT RECOVERY TANK 

Daily 

29 

CLEAN WASTE PUMP-OUT PUMP 

Daily 

30 

FLUSH SOLUTION TANK AND PUMP 

Daily 

30 

CLEAN PUMP-INLET FILTER 

Weekly – As needed 

31 

FLUSH CHEMICAL SYSTEM 

Monthly 

32 

LUBRICATE PRESSURE REGULATOR O-RINGS 

Monthly  

33 

CLEAN DRAIN VALVE 

As needed 

34 

STORAGE PREP – FREEZE PROTECTION 

As needed 

35 

 

 

 

 

 

Section 

Содержание MX3-500RP

Страница 1: ...1 LMANN14 Revised 06 04 2014 Nautilus MX3 500RP Operating Manual...

Страница 2: ...9 Water Supply Chemicals 10 Solution Hose Pump Priming 13 Vacuum Hose 14 Foam Downer 15 Pump Out System 16 Pressure Adjustments 17 Shutdown Procedures 18 Accessory Storage 19 Troubleshooting 20 Soluti...

Страница 3: ...roperly 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 before operating the machi...

Страница 4: ...ptional 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 Carpet Wan...

Страница 5: ...e 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 Quick Connec...

Страница 6: ...having the same configuration 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...

Страница 7: ...ns that are at temperatures 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 s...

Страница 8: ...rallel 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 val...

Страница 9: ...e required 20amp circuits are usually found in kitchens and bathrooms An overloaded circuit will not trip the circuit breaker immediately but may not provide sufficient voltage for proper operation an...

Страница 10: ...d by the 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...

Страница 11: ...dilution 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 concent...

Страница 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...

Страница 13: ...he vacuum will pull solution through the pump and prime valve into the vacuum tank Let off the prime valve and your pump is primed As long as there is solution in the tank the pump should remain prime...

Страница 14: ...o the 25 Vacuum Hose the 25 vacuum hose is then connected to the vacuum connection port on the MX3 500RP The other end with the 1 1 2 cuff is connected to the cleaning tool When ready to begin cleanin...

Страница 15: ...omically 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 that allows...

Страница 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...

Страница 17: ...Check the pressure on the gauge o Re adjust as needed to set the machine at the desired pressure o Choose the pressure setting that best meets your type of cleaning Pressure gauge Regulator Unloader...

Страница 18: ...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 place...

Страница 19: ...500RP has two sets of cord wraps to hold two 12 3 x 25 power cords Carpet Wand Storage The front of the MX3 500RP is designed to hold a S Bend Carpet wand and has two straps to hold it securely Optio...

Страница 20: ...m solution tank restricted Repair or replace hose Pump intake hose or fittings leaking Repair or replace hose Tighten clamps or replace fittings Pressure regulator sticking Lube o rings on regulator s...

Страница 21: ...ank 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 Reconnect or replace vacuum motor hos...

Страница 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...

Страница 23: ...flow in high pressure hose Denotes Chemical flow Denotes by pass water flow from pressure regulator Denotes incoming water flow MX3 500RP Solution Flow Path Optional Auto Fill Float Valve Assembly Op...

Страница 24: ...agram MX3 500RP Wiring Diagram Cord 1 VAC 1 PUMP OUT SOL PUMP Machine Base COOLING FAN 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 BR...

Страница 25: ...25 VAC 1 PUMP OUT SOL PUMP Machine Base Dual Circuit Indicator VAC 2 PUMP OUT PUMP CORD 2 VAC 2 12 3 CIRCUIT BREAKER 10AMP MX3 500RP Wiring Diagram Cord 2 FLOAT SWITCH...

Страница 26: ...witch 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...

Страница 27: ...nal injury or death OPERATION INTERVAL Page CLEAN CHEMICAL FEED FILTER FOOT VALVE Daily After Each Job 28 CLEAN VACUUM SHUTOFF ASSEMBLY SCREEN Daily After Each Job 28 CLEAN HYDRO FILTER II Daily After...

Страница 28: ...cuum motors Operating the MX3 500RP 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 debris bu...

Страница 29: ...ith 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 TANK Build up o...

Страница 30: ...solution hose to the solution outlet female quick connect The other end of the hose should have an open quick connect or no quick connect to allow full flow out of the hose Direct the open end of the...

Страница 31: ...ry tank 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...

Страница 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...

Страница 33: ...ead piston screw so they can be removed from the stem retainer 6 Use a synthetic grease with Teflon such as Ultra Slick or Super Lube to lubricate the o rings on the piston and spindle assembly 7 Re i...

Страница 34: ...atches 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 goes towar...

Страница 35: ...emical proportioning mechanism 4 Turn the solution pump switch to the ON position and perform the pump priming procedure Hold the priming valve open for a few extra seconds to be sure the anti freeze...

Страница 36: ...36 Parts Replacementpartsavailableforrepairof yourMX3 500RP Section 3 KIT A PT054 KIT B PT055 KIT C PT056 MX3 500RP PUMP AP52 PARTS ASSEMBLY...

Страница 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 AP52 NS PUMP COMPLETE WITHOUT MOTOR 1 PT065 NS MOTOR 1 PT066 PUMPT...

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

Страница 39: ...BRASS KNOB 10 PISTON RETAINER O RING 18 BRASS BODY 3 LOCKING NUT 11 PISTON O RING SMALL 19 POPPET O RING 4 SPRING 12 PISTON WASHER SMALL 20 POPPET 5 SPRING PLATE 13 SPINDLE O RING 21 POPPET SPRING 6 P...

Страница 40: ...40 Pump Out Pump PARTS ASSEMBLY...

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

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

Страница 43: ...43 27 27A 28 29 29 31 31 9 9 32 32 33 34 35 38 37 1 39 13 14 14A 30 30 26 REAR VIEW BASE BASE SKIRT RECOVERY TANK VACUUM PLUG ASSEMBLY 109 106 107 108 36 79...

Страница 44: ...44 32 32 43 44 45 37 46 46 47 47 48 50 9 50 9 52 51 53 55 55 TOP VIEW OF BASE 3 58 59 52 90 71 39 70 106 3 58 59 110 110 81...

Страница 45: ...45 48 49 49 47 47 47A 47 47A 47 47A 47A 51 51 37 9 54 64 9 54 64 9 54 64 52 VACUUM MOUNTS CONNECTIONS...

Страница 46: ...46 44 65 22 66 67 68 69 70 PUMP PRIMING VALVE BOTTOM VIEW OF BASE 60 60 3 59 37 39 57 56 61 62 9 54 9 54 63 55 3 59 61 62 117 71...

Страница 47: ...47 9 41 2 BOTTOM VIEW SOLUTION TANK BASE SKIRT 72 1 73 9 9 8 8 39 74 75 76 77 77 78 34 36 36A 30 30 2 115 116 31 80 55...

Страница 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...

Страница 49: ...6 87 91 92 94 96 99 9 41A 97 98 100 101 86 102 1 103 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...

Страница 50: ...50 92 91 95 94 112 13 14 14A 104 105 1 39 PUMP OUT CONNECTIONS...

Страница 51: ...TY 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 wi...

Страница 52: ...0 SPACE 52 PA051 HOSE CLAMP 2 2 75 77 NM5142 SCREW 6 X PPH SS QTY 6 53 NM5705 DECAL VAC CONNECTION 78 NM5756 FAN GUARD WIRE FORMED 54 NM5133 SCREW 20 X 2 00 SOCHD SS 79 NM4031 NUT 6 32 NYLOCK SS 55 NM...

Страница 53: ...CAP ASSEMBLY NS NM5705B DECAL DUAL CIRCUIT LIGHT 102 NM5741F FLOAT VACUUM SHUTOFF NS NM5711 DECAL NAUTILUS SIDE QTY 2 103 NM5051 STRAIN RELIEF WATER TIGHT NS NM5758 KIT DUAL CIRCUIT WIRING 104 BR278 E...

Страница 54: ...SOLD PER INCH 32 BOTH ENDS HOSE CLAMP SOLUTION HOSE PRIME VALVE TO REC TANK 3 8 ID CLEAR COIL NM5082 SOLD PER INCH 27 BOTH ENDS HOSE CLAMP HP HOSE 1 PUMP TO UNLOADER HP PULSE SOLD ASSEMBLED 50 ITEM 30...

Страница 55: ...ll not apply to defects resulting from improper operation lack of maintenance unauthorized modification chemical incompatibility misuse abuse or exposure to freezing temperature conditions It does not...

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