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MULTIQUIP Mayco ST-45HRM, Operations & Parts Manual

The MULTIQUIP Mayco ST-45HRM is a reliable and powerful concrete pump that is perfect for various construction projects. Ensure smooth operations by downloading the Operations & Parts Manual for free from our website. This comprehensive manual will guide you on how to operate and maintain your equipment effectively.

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 OPERATIONS & PARTS MANUAL

Revision #4 (07/16/04)

THIS MANUAL MUST ACCOMPANY

THE EQUIPMENT AT ALL TIMES.

 

SERIES

MODEL ST-45HRM

STRUCTURAL CONCRETE PUMP

(HATZ DIESEL ENGINE)

FINAL REVISION

Summary of Contents for Mayco ST-45HRM

Page 1: ...OPERATIONS PARTS MANUAL Revision 4 07 16 04 THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALLTIMES SERIES MODEL ST 45HRM STRUCTURAL CONCRETE PUMP HATZ DIESEL ENGINE FINAL REVISION...

Page 2: ...PAGE 2 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 Proposition65Warning...

Page 3: ...emarks of Multiquip Inc and may not be used reproduced or altered without written permission All other trademarks are the property of thier respective owners and used with permission This manual MUST...

Page 4: ...bleshooting Brake System 64 PARTS ILLUSTRATIONS Explanation Of Code In Remarks Column 64 Suggested Spare Parts 65 Appendix Recommended Shotcrete System 66 Appendix Recommended Shotcrete Accessories 68...

Page 5: ...7 3700 FAX 310 637 3284 MAYCO PARTS 800 306 2926 FAX 800 672 7877 310 537 3700 FAX 310 637 3284 SERVICE DEPARTMENT 800 421 1244 FAX 310 537 4259 310 537 3700 TECHNICAL ASSISTANCE 800 478 1244 FAX 310...

Page 6: ...6 2 s n o l l a G 7 y t i c a p a C d i u l F c i l u a r d y H s r e t i L 9 1 2 s n o l l a G 8 5 y t i c a p a C k n a T l e u F s r e t i L 6 7 s n o l l a G 0 2 y t i c a p a C r e p p o H r e x...

Page 7: ...5 0 1 x 2 0 1 o i t a R n o i s s e r p m o C 7 8 1 t n e m e c a l p s i D c c 3 7 5 2 u c 7 5 1 y t i c a p a C l i O e b u L n i M x a M t q 4 5 t q 1 9 L 1 5 L 6 8 d e e p S e n i g n E e l d I l...

Page 8: ...V 4 07 16 04 ST 45 PUMP DIMENSIONS S N O I S N E M I D 3 E L B A T F E R S N O I S N E M I D A m c 3 4 1 1 n i 5 4 B m c 5 1 1 4 n i 2 6 1 C m c 1 6 n i 4 2 D m c 4 5 8 1 n i 3 7 E m c 2 2 7 1 n i 8 6...

Page 9: ...S Diesel engine exhaust gases contain poisonous carbon monoxide This gas is colorless and odorless and can cause death if inhaled NEVER operate this equipment in a confined area or enclosed structure...

Page 10: ...ard ST 45 PUMP SAFETY MESSAGE ALERT SYMBOLS Equipment Damage Messages Other important messages are provided throughout this manual to help prevent damage to your concrete pump other property or the su...

Page 11: ...Remember the pump s engine gives off DEADLYcarbonmonoxide gas HighTemperatures Allow the engine to cool before adding fuelorperformingserviceandmaintenancefunctions Contact with hot components can cau...

Page 12: ...ngue bolt lock nut and wheel lug nuts for wear Test the pump s ON OFF switch The purpose of this test is to shut down the engine Refer to the HATZ Engine Owner s Manual for engine technical questions...

Page 13: ...battery 1 DONOTdropthebattery Thereisthepossibilityofriskthatthe batterymayexplode 2 DONOTexposethebatterytoopen flames sparks cigarettes etc The batterycontainscombustiblegases andliquids Ifthesegas...

Page 14: ...ctural concrete pump is equipped with a number of safety decals These decals are provided for operator safety and maintenance information Figure 1 below illustrates these decals as they appear on the...

Page 15: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 15 ST 45 PUMP OPERATION AND SAFETY DECALS Figure 3 ST 45 Operation and Safety Decals...

Page 16: ...AYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP IMPORTANT HAND SIGNALS Figure 4 Operation Hand Signals Figure 1 display s the basic hand signals commonly used in concrete pumping o...

Page 17: ...at the inside of the line with a lubricating seal of mortar ST 45 PUMP GENERAL INFORMATION There are four ways in which this seal can be lost 1 By pumping excessively wet mixes which do not have enoug...

Page 18: ...t are 1 The sizing and mix percentage of rocks gap graded from the largest down through the smallest sizes 2 Sand with a sieve analysis that has the proper percentage of fines ASTM C33 spec 3 Sufficie...

Page 19: ...f the shuttle tube This circuit assures that the shuttle tube will throw with the same intensity of each stroke regardless of how fast the main drive cylinders are cycling Figure 5 Pumping Cycle 1 In...

Page 20: ...PAGE 20 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP PUMP COMPONENTS Figure 7 Major Pump Components...

Page 21: ...ppercanhold10cu ft of concrete with optional forward reverse mixer NEVER put hands or any other parts of you body into the hopper 12 Remixer Motor Drives the remixer paddles inside the hopper The moto...

Page 22: ...gine air filter is functioning properly NEVER operate the ST 45 if this lampisoff 8 Direction Control Switch This 2 position switch controls the direction of flow for any mix in the pump The center po...

Page 23: ...lter Preventsdirtandotherdebrisfromenteringthe engine Service the oil filter as recommended in the maintenance section of this manual 5 Side Oil Drain Plug Remove this plug to drain engine oilfromthee...

Page 24: ...se separation of the concrete in the hopper B Iftheshutdownperiodexceeds2to3minutes turn offtheenginesothevibrationdoesnotseparatethe mixinthehopperwhichcancauseablockageinthe manifold when the pump i...

Page 25: ...as a water retarderandalubricant Onaleanmix longpushes stiff mixes and vertical pushes Pozzolith 300R helps pumpability All admixtures will be shown on the redi mix concrete ticket Before start ing th...

Page 26: ...e from the ready mix truck into the hopper and completely fill it Keep the pumprunningcontinuouslyuntilconcreteisdischarging attheendofthedeliverysystem Ifthepumpisstopped during this procedure a bloc...

Page 27: ...ush all the concrete out of all of the hose linesatonetime Forexample Ifyouhad200ft ofsystemout youwould disconnect each hose Clean it out by pushing water through the first hose off the pump then con...

Page 28: ...mpsare waterpressuretested at thefactoryThisprocedurepermitsathoroughinspectionof NOTE entire drive system and valving under simulated full load conditions Thepumpownercandothesamebymakingan adapterto...

Page 29: ...Read safety instructions at the begin ning of manual 2 Cleantheentirepump removingdirtanddust particularly the engine cooling air inlet and air filter 3 Check theairfilter for dirtanddust Ifairfilteri...

Page 30: ...is low fill engine crankcase with lubricating oil through filler hole butDONOT overfill 8 Make sure pump engine is placed on level ground 9 Pull the engine oil dipstick Figure 13 from its holder Figur...

Page 31: ...se level ground Figure 18 18 Align the hole on the stabilizer stand with the hole on the frame body and insert handle tee bolt 19 Insert the cotter pin into handle tee bolt eye to lock the stabilizer...

Page 32: ...ON If the Emergency Stop switch is in the CLOSED position stop enginewill not start To start the engine make sure the Emergency Stop switch is in the OPEN position fully extended Place all switches on...

Page 33: ...strokes per minute volume of the pump Use a wristwatch or stop watch to determine the number of pump strokes within 1 minute NOTE 7 Let the pump cycle until the hydraulic oil temperature Figure 24 is...

Page 34: ...Test On Off Switch ST 45 PUMP INITIAL START UP PROCEDURE 13 Make sure the Operation Pump Engine switch is in the ENGINE position Figure 28 and that only the engine is running 14 Turn the fan switch Fi...

Page 35: ...ransmitter Figure 35 Handheld Remote Cable Unit CYLINDER LUBRICATION BOX WARNING Before checking lubricaton level stop the engine and remove the engine starter key Werecommendusingsolubletypeoil water...

Page 36: ...he trailer s bumper to prevent tipping while parked Inflate tires to correct pressure inspect tires for cuts and excessive wear SeeTable 5 TireWearTroubleshooting PumpTrailerVehicle Connection 1 Check...

Page 37: ...PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 37 ST 45 PUMP TOWING GUIDELINES Figure 36 Towing Applications Figure 36 shown below illustrates the typical towing application that should be used when...

Page 38: ...will prevent damage to the equipment and personal injury It is the purpose of this section to cover the major maintenance components of the trailer The following trailer components will be discussed i...

Page 39: ...every 6 000 miles for signs of excessive wear elongation of bolt holes and loosening of fasteners Replace all damaged parts suspension immediately Torqed suspension components as detailed in Table 6 C...

Page 40: ...utsallthewaydown Tighteneachlug nut in 3 separate passes as defined byTable 7 ST 45 PUMP TRAILER SAFETY GUIDELINES NEVER use an pneumatic air gun to tighten wheel lug nuts Figure 38 Wheel Lug NutsTigh...

Page 41: ...cable spring stop Figure 40 CAUTION The ball capacity must be greater than or equaltothetrailerGVWR Donotuseaworn hitch ball it is unsafe and must be replaced USE 2 BALL ONLY Use jack stand to lift t...

Page 42: ...igure 41 The slot has a notch at the bottom of its travel Push the directional lever down to engage the locking notch 4 Back the trailer up ST 45 TOWING INFORMATION Before towing the pump always ensur...

Page 43: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 43 ST 45 PUMP WIRING DIAGRAM TAIL LIGHTS Figure 42 TrailerTail LightsWiring Diagram...

Page 44: ...e h C y l l a u s i V X CLEANINGTHE PUMP AND DELIVERY SYSTEM Cleaningthepumpisaveryimportantoperationasitdetermines how the machine will pump the next time it is used At the end of every pour or becau...

Page 45: ...e the machine at 6 8 strokes per minute at approximately 1 3 throttle In areas where the weather normally remains under 50 F use Shell OilTellus 46 or the equivalent The above steps must be followed o...

Page 46: ...Atthebeginningofeachyear inspectthebrakesforexcessive wear replace the linings if necessary NOTE Wheel bearings and seals should be inspected and packed at this time BATTERY MAINTENANCE Mishandlingoft...

Page 47: ...anifold 6 On the electrical control panel turn the pump control switch Figure 22 and the test switch Figure 31 to the ON position Usinganallenwrench adjustthemainrelief valve Figure 45 to 3500 PSI The...

Page 48: ...the PSI reading slowly decreases it will reach a point where there will be a sudden dropinthePSI ThePSIreadingshouldbetakenjustpriorto thissuddendrop Ifyoudonotread1100PSI theaccumulator may require...

Page 49: ...ON position and run engine at 2550 RPM 4 Loosen the lock nut for the the accumulator circuit pilot reliefvalvecartridge Figure51 locatedatportG4 Using an allen wrench turn the adjusting screw until pr...

Page 50: ...m due to excessive heat Whenever replacement is due both cylinder cups should be replaced 6 Remove the three 3 8 16 x 3 bolts Lubrication Pistons Assy Item 20 from the piston Remove the front faceplat...

Page 51: ...ior Assy Item 13B steel insert ring Hopper Interior Assy Item A and wear ring Hopper Interior Assy Item13 Wear Plate Installation 1 Install the two cylinder O rings Hopper Interior Assy Item10 2 Using...

Page 52: ...ontact 3 Back off the adjusting nut 1 6 to 1 4 turn or to the nearest locking hole or sufficiently to allow the wheel to rotate freely within limits of 001 to 010 end play Lock the nut at this positio...

Page 53: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 53 NOTE PAGE...

Page 54: ...MACHINE LUBRICATION PISTONS LUBRICATION PISTONS FRONT OF MACHINE NOTES HOSES SHADED FOR VISUAL CLARITY O K J I L M N M L N O K I P J P ST 45 PUMP HYDRAULIC HOSE CONNECTIONS Figure 53 is provided to sh...

Page 55: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 55 ST 45 PUMP HYDRAULIC HOSE CONNECTIONS Figure 53 Hydrauilc Hose Connections Continued...

Page 56: ...PAGE 56 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP HYDRAULIC HOSE CONNECTIONS Figure 53 Hydrauilc Hose Connections Continued...

Page 57: ...ANUAL REV 4 07 16 04 PAGE 57 ST 45 MANIFOLD PORT LOCATIONS Figure 54 is provided to show the locations and names for the two manifold block ports on the ST 45 for reference when peforming maintenance...

Page 58: ...d 6 5 designed for 2 500 lbs in 28 days Gallons per sack 7 1 Washed Sand 200 wash 1 3 Organic matter OK Specific gravity SSD Sand 2 58 Pea Gravel 2 60 Sieve analysis percent passing Material 1 5 1 3 4...

Page 59: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 59 A S T M STANDARD SPECIFICATION FOR GRADING AGGREGATE APPENDIX ST 45 PUMP CONCRETE MIX INFORMATION...

Page 60: ...nly over the entire cross section of the sample 4 Fill cone another 1 3 Figure 41 B which will make the cone 2 3 full by volume Rod this second layer 25 times withtherodpenetratinginto butnotthrough t...

Page 61: ...t e c n a t s i s e r e t a u q e d a n i s a h s e t a r a p e s l e u F s e r u t a r e p m e t w o l s e g r e m e l e u f d i b r u t t o n r a e l c r e h t e h w k c e h C n o i t c e j n i m o...

Page 62: ...w e n i m r e t e d o t d e s u e c a l p e r d n a h c t i w s y t i m i x o r p n o i t c n u f l a m e v l a v e l c y c t o l i P o t 6 3 d n a 5 3 l a n i m r e t 1 B T k c e h C h c t i w s p m...

Page 63: ...i t n o c t o n l l i w e n i g n e z t a H d e s a e l e r s i y e k r e t f a d e l i a f s a h e d o i d 1 D p m a 6 h t i w d e d e e n f i e c a l p e R x o b l o r t n o c n i e d o i d 1 D k c...

Page 64: ...v o r p p a t o d h t i w l l i F e g a m a d e m a r f r o t a u t c a e k a r B t i n u r o t a u t c a e t e l p m o c e c a l p e R d e h c n i p g n i e b e n i l e k a r B e n i l e k a r b e c...

Page 65: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 65 NOTE PAGE...

Page 66: ...ndicated this shows that the corresponding part is utilized only with this specific model number or model number variant Items Found In the Items Number Column All parts with same symbol in the number...

Page 67: ...ENG 1 EM98065 RUBBER RING ST 45 SUGGESTED SPARE PARTS ST 45 STRUCTURAL CONCRETE PUMP 3 Units Qty P N Description 1 EM16459 PIN 2 EM18801 CONCRETE CYLINDER 2 EM16462 FELT HOLDER 6 EM98050 PISTON CUP O...

Page 68: ...MANUAL REV 4 07 16 04 APPENDIX ST 45 PUMP RECOMMENDED SHOTCRETE SYSTEM RECOMMENDED SHOTCRETE SYSTEM Figure 39 Shotcrete System 3 10 3 2 1 3 11 13 14 15 1 2 STANDARD AIR HOSE AIR COMPRESSOR 125 TO 250...

Page 69: ...to prevent clogging of air the hoses in the air insert Useitem 11 steelelbow attheedgeofthepoolto prevent collapse of the rubber hose which can cause blockage RECOMMENDED SHOTCRETE SYSTEM NO PART NO...

Page 70: ...1 1 4 rubber nozzle tip for a narrow spray pattern DO NOT INSTALLTHE NOZZLE ATTHE END OFTHE HOSE UNTILTHE FIRST MATERIAL HAS PASSEDTHROUGHTHE ENTIRE HOSE LENGTH Disassemble and clean the nozzle assemb...

Page 71: ...BUSHING 1 6 EM23411 VALVE 1 7 EM912073 NIPPLE 2 8 EM23409 COUPLING 1 9 EM923346 WASHER 1 2 LOCK 2 10 EM406 NUT HEX 1 2 13 2 11 EM23818 2 X25 GROOVED HOSE EM24841 2 X25 RAISED HOSE EM23845 2 X50 GROOV...

Page 72: ...PAGE 72 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP DECAL PLACEMENT DECAL PLACEMENT...

Page 73: ...AL 1 6 EM93000 DECAL CAUTION GREASE 2 HOURS 4 7 EM98022 DECAL WARNING CHECK MANUAL 1 8 EM696 DECAL CAUTION TOWING DECAL 1 9 EM97072 DECAL CAUTION OP INSTRUCTIONS 2 10 TBD DECAL HOPPER REXMIXER 1 11 EM...

Page 74: ...PAGE 74 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 AXLE ASSY ST 45 PUMP AXLE ASSY AXLE ASSY...

Page 75: ...BUSHING PLASTIC 2 9 EM966259 SHACKLE BOLT 4 10 EM16612 LOCK NUT 4 11 EM16611 BOLT 2 12 EM16612 LOCK NUT 2 13 EM16610 DRUM BRAKE 2 14 EM166141 BRAKE ASSY 2 16 EM492451 BOLT 3 8 24 X 1 HEX HEAD 10 17 01...

Page 76: ...PAGE 76 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 SUSPENSION FRENOS ASSY ST 45 PUMP BRAKELINE ASSY BREAKLINE ASSY...

Page 77: ...MANUAL REV 4 07 16 04 PAGE 77 BREAKLINE ASSY NO PART NO PART NAME QTY REMARKS 1 TBD NUT 2 2 TBD LOCK WASHER 2 3 EM16602 SURGE BRAKE ACTUATOR 1 4 TBD BOLT 1 5 EM166021 ACTUATOR COVER 1 6 EM16116 BRAKE...

Page 78: ...PAGE 78 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 HOPPER ASSY HOPPER ASSY ST 45 PUMP HOPPER ASSY...

Page 79: ...EM181361 SPACER PLATE 4 14 EM621 1 2 WILLIAMSWASHER 4 15 EM18135 BEARING FLANGE 2 16 6109180 LOCKWASHER 1 2 8 17 EM492397 BOLT HEX 1 2 13 X 2 1 2 8 18 EM916001 GREASE FITTING 1 19 EM50141 MOUNT REMIX...

Page 80: ...PAGE 80 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 TANQUE TRANSMISIONHATZ 57HP ASSY ST 45 PUMP HOPPER ATTACHMENT ASSY HOPPER ATTACHMENT ASSY...

Page 81: ...2 4 EM70134 2 SPLASH PLATE PIN 1 5 EM505723 COTTER PIN 5 32 x 1 1 2 1 18 EM16166 ROD TIE 1 8 NC X 28 2 19 EM505728 NUT HEX 1 NC 6 20 EM14165 EYE BOLT 4 21 EM619 WILLIAMS WASHER 3 4 4 22 EM968446 NUT H...

Page 82: ...PAGE 82 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 HOPPER INTERIOR ASSY ST 45 PUMP HOPPER INTERIOR ASSY...

Page 83: ...M25803 DISCHARGE PLATE BEARING 1 20 EM98065 SEAL 1 21 512215 DISCHARGE NIPPLE 1 22 EM491701 GREASE FITTING 3 23 EM210 BOLT HEX 1 2 NC X 3 1 4 G5 6 24 EM6109180 1 2 LOCKWASHER 6 41 EM16811 SHUTTLETUBE...

Page 84: ...PAGE 84 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 SHUTTLE CYLINDER ASSY ST 45 PUMP SHUTTLE CYLINDER ASSY...

Page 85: ...SE FITTING 1 6 EM16814 TENSIONER 1 7 EM458 NUT 1 14 1 8 EM417 NUT FLEX LOCK 1 26 EM254549 PIVOT BRACKET 1 27 492397 BOLT HEX 1 2 13 X 2 1 2 4 28 492600 1 2 FLATWASHER 4 29 6109180 1 2 LOCKWASHER 4 30...

Page 86: ...PAGE 86 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 REAR HOOD ASSY ST 45 PUMP FUEL AND HYDRAULICTANK CONNECTIONS ASSY FUEL AND HYDRAULICTANK CONNECTIONS ASSY...

Page 87: ...EM50466 O RING 1 28 EM27441 ELBOW 1 29 EM635 LOCK 1 2 HI COLLAR 4 31 EM509437 HOSE 1 32 EM26471 CLAM 2 4 33 EM27442 ELBOW 1 34 EM963692 BOLT 1 2 UNC X 1 1 2 4 35 EM635 LOCK 1 2 4 36 509436 O RING 1 4...

Page 88: ...PAGE 88 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 REAR HOOD ASSY ST 45 PUMP FUEL AND HYDRAULICTANK ASSY CONTINUED FUEL AND HYDRAULICTANK ASSY CONTINUED...

Page 89: ...ALE VALVE 1 17 506094 PLUG 1 2 NPT GALVANIZED 1 18 16512 RETURN FILTER ASSY 1 19 EM963610 CAP SCREW 4 20 0166A WASHER LOCK 3 8 DIAMETER 4 21 16433 ELBOW 1 22 16516 TUBE 1 23 EM16513 DEFUSER 1 37 51067...

Page 90: ...PAGE 90 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 FRONT COVER ASSY ST 45 PUMP FRONT COVER ASSY FRONT COVER ASSY...

Page 91: ...RT NO PART NAME QTY REMARKS 7 EM963003 BOLT 1 4 NC X 3 4 19 8 EM923057 WASHER FLAT 1 4 23 9 2101402 WASHER LOCK 1 4 DIAMETER 15 10 EM510271 COVER FRONT 1 14 29057 DOCUMENT BOX 1 17 EM969079 NUT LOCK N...

Page 92: ...PAGE 92 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 RADIATOR ASSY ST 45 PUMP HEAT EXCHANGER ASSY HEAT EXCHANGER ASSY...

Page 93: ...18 X 1 4 8 EM923023 WASHER FLAT 5 16 4 9 2105164 NUT NYLON 5 16 18 4 10 EM509805 COVER 1 11 EM963003 BOLT 1 4 NC X 3 4 6 12 EM923057 WASHER FLAT 1 4 6 13 2101402 WASHER LOCK 1 4 6 14 EM25498 FITTING H...

Page 94: ...PAGE 94 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ENGINE AND FRAME ASSY ST 45 PUMP ENGINE AND FRAME ASSY ENGINE AND FRAME ASSY...

Page 95: ...CTOR LINK CHAIN 2 5 TBD NUT 4 6 509405 FRAME MAIN 1 7 503117 BOLT HEX 3 8 2 8 3019092 WASHER 3 8 2 9 EM969013 NUT NYLOC 1 10 508776 RUBBER PAD 1 11 EM25610 JACK STAND FRONT 1 29 EM70186 JACK STAND REA...

Page 96: ...PAGE 96 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 THROTTLE AND WATER FILTER ASSY THROTTLE AND WATER FILTER ASSY ST 45 PUMP THROTTLE ANDWATER FILTER ASSY...

Page 97: ...3 BOLT 1 4 NC X 3 4 4 40 2101402 WASHER LOCK 1 4 DIAMETER 4 41 EM923057 WASHER FLAT 1 4 4 42 492561 NUT HEX 1 4 20 4 43 510229 CABLE THROTTLE ASSY 1 44 EM501102 BUSHING LOCK 1 45 EM491089 BOLT 1 46 49...

Page 98: ...PAGE 98 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 HYDRAULIC PUMP ASSY HYDRAULIC PUMP ASSY ST 45 PUMP HYDRAULIC PUMP ASSY...

Page 99: ...WASHER LOCK 1 2 2 11 492600 WASHER FLAT 1 2 DIAMETER 2 12 EM25507 FITTING 8C5 X S 1 13 EM25429 ELBOW 6801 04 04 1 14 EM509366 HOSE 1 15 EM505533 O RING 1 16 EM97001 MANIFOLD ASSY 1 17 EM509341 BOLT AL...

Page 100: ...PAGE 100 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 LUBRICATION PISTONS ASSY ST 45 PUMP LUBRICATION PISTONS ASSY LUBRICATION PISTONS ASSY...

Page 101: ...OLDER 2 15 EM16493 RING FELT 2 16 EM14408 RING BRONZE 2 17 EM98050 CUP PISTON ORANGE 2 18 EM16465 PISTON CUP SPACER 6 19 EM16464 FACE PLATE 2 20 510265 BOLT HEX HEAD 3 8 NC x 3 1 4 IN GS 6 27 EM16174...

Page 102: ...PAGE 102 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 SISTEMA ELECTRICO HATZ ASSY ST 45 PUMP ELECTRICAL SYSTEM ASSY ELECTRICAL SYSTEM ASSY...

Page 103: ...XCHANGER 1 BLUE 11 EM98066 HOLDER FUSE 1 12 508632 FUSE 25 AMP 1 13 508259 CONNECTOR 2 14 512764 WIRE 1 5M 1 RED 15 504984 TERMINAL CONNECTOR 3 8 1 16 512800 STARTER CONDUCTOR CABLE 1 17 512801 SHIELD...

Page 104: ...PAGE 104 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 MANIFOLD ACUMULADOR ASSY ACCUMULATOR ASSY ST 45 PUMP ACCUMULATOR ASSY...

Page 105: ...REMARKS 34 EM97015 ACCUMULATOR 1 GALLON 1 35 EM97016 BRACKET ACCUMULATOR 1 36 EM9603055 HHCS 3 8 DIAMETER 2 37 3019092 WASHER FLAT 3 8 2 38 0166A WASHER LOCK 3 8 DIAMETER 2 39 EM509425 FITTING 1 40 E...

Page 106: ...PAGE 106 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP MANIFOLD ASSY MANIFOLD ASSY...

Page 107: ...04 2 8 EM98015 TEST PORT 2 9 TBD ADAPTOR ELBOW 1 10 TBD PLUG 1 11 EM25498 FITTING HYDRAULIC 4 12 EM509352 ADAPTOR ELBOW 1 13 EM509353 ADAPTOR ELBOW 1 15 EM25462 STRAIGHT CONNECTOR 12 16F5X 2 20 EM5093...

Page 108: ...PAGE 108 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 REMIXER CONTROL ASSY ST 45 PUMP REMIXER CONTROL ASSY...

Page 109: ...97017 VALVE REMIX W LEVER 1 23 EM218 BOLT 5 16 18 X 2 1 2HXHDCS 2 24 EM923343 WASHER LOCK 5 16 DIAMETER 2 25 492553 NUT HEX 5 16 DIAMETER NC 2 26 EM25507 FITTING 90 1 27 EM512655 ADAPTER 2 28 506195 F...

Page 110: ...PAGE 110 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 BATTERY ASSY ST 45 PUMP BATTERY ASSY...

Page 111: ...RY ASSY NO PART NO PART NAME QTY REMARKS 1 492561 NUT HEX 1 4 X 20 2 2 EM923057 1 4 FLATWASHER 2 3 EM492622 1 4 LOCKWASHER 2 4 EM25708 BATTERY HOLDER FRAME 1 5 EM16707 CABLE BATTERY NEGATIVE 1 6 EM509...

Page 112: ...e daily two or three hots of 2 multipurpose automotive grease Over greasing any bearing will not damage the machine ALWAYS grease before and after pump operation POSITION LOCATION LENGTH OF LINES A PI...

Page 113: ...EV 4 07 16 04 PAGE 113 GREASE POINTS NO PART NO PART NAME QTY REMARKS 1 EM491701 GREASE FITTING 3 2 EM208812 CONNECTOIR 2 3 EM510684 CONNECTOR 3 4 EM510486 HOSE PLASTIC 1 5 EM510487 HOSE PLASTIC 1 6 T...

Page 114: ...PAGE 114 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 TAILLIGHT ASSY TAILLIGHT ASSY ST 45 PUMP TAILLIGHT ASSY...

Page 115: ...AILLIGHT ASSY NO PART NO PART NAME QTY REMARKS 2 EM26536 TAIL LIGHT ASSY 2 3 EM265361 TAIL LIGHT BRACKET 2 4 492364 SCREW HHC 5 16 X 18 1 4 5 EM923343 5 16 LOCKWASHER 4 6 492553 NUT HEX 5 16 4 7 EM256...

Page 116: ...PAGE 116 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP CONTROL BOX INTERIOR DOOR ASSY CONTROL BOX INTERIOR DOOR ASSY...

Page 117: ...TERIOR DOOR ASSY NO PART NO PART NAME QTY REMARKS 1 EM97050 RELAY SMALL 2 2 EM97048 RELAY LARGE 1 3 EM97027 SOLENOID 12 VOLT 3 4 EM97078 FUSE 15 AMP 6 5 EM98001 DIODE 6 AMP 1 6 EM98002 DIODE 19 7 EM40...

Page 118: ...PAGE 118 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP CONTROL BOX MOUNTING ASSY CONTROL BOX MOUNTING ASSY...

Page 119: ...OX MOUNTING ASSY CONTROL BOX MOUNTING ASSY NO PART NO PART NAME QTY REMARKS 35 492366 SCREW HHC 5 16 18x1 1 2 4 36 EM510703 SHOCK MOUNT 4 37 2105164 NUT 3 8 IN 4 REPLACES 492582 38 EM503112 BOLT HHC 3...

Page 120: ...PAGE 120 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP CONTROL BOX ASSY CONTROL BOX ASSY...

Page 121: ...OP SWITCH 1 3 EM97039 LENS BATTERY OIL FILTER AIR FILTER 3 4 EM97041 CONTACT BLOCK 3 5 EM97062 HOUR METER 1 6 EM97028K KEY IGNITION 1 7 EM97028 IGNITION SWITCH W KEY 1 8 EM97030 DIRECTIONAL CONTROL SW...

Page 122: ...PAGE 122 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP CONTROL BOX DOORWIRING DIAGRAM...

Page 123: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 123 ST 45 PUMP CONTROL BOX INTERIORWIRING DIAGRAM...

Page 124: ...PAGE 124 MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 ST 45 PUMP TERMINAL BLOCKWIRING DIAGRAM...

Page 125: ...1 WIRE NO 57 3 UNUSED REF DESIG 4 TB1 SYSTEM INTERCONNECT TERMINAL STRIP TB2 DIODE INTERCONNECT TERMINAL STRIP 5 HATZ ENGINE DIESEL WIRES ARE IN BRACKETS TB1 9 TB1 21 TB1 30 AND TB31 TB1 9 TB1 21 TB1...

Page 126: ...33 BLK 38 BLK 37 BLK 41 BLK 57 BLK 49 WHT FWD 0FF REV ON REMOTE CONTROL PUMP GRN BLK GRN 56 BLK 48 TB2 8 TB2 9 TB2 10 TB1 22 TB1 16 TB1 15 TB1 13 TB1 14 TB1 12 TB1 23 D13 D12 REV PRESS MOTOR UNLOAD S...

Page 127: ...NGINE WIRES ARE IN BRACKETS GROUND TERMINAL BUS BAR 2 ALL MAYCO WIRES ARE CONNECTED TO TB1 3 GROUND WIRE SUPPLIED WITH CONTROL PANEL CONNECTION MADE INSIDE PANEL TO MOUNTING HARDWARE SCAPE PAINT TO EN...

Page 128: ...F I N A M N I A M 1 A 4 E V L A V N I A M 1 B 4 E V L A V E L T T U H S 1 C 4 E V L A V T O L I P 1 D 4 E V L A V P M U D T I U C R I C R O T A L U M U C C A 1 E 4 E V L A V G N I D A O L N U 1 F 4 E...

Page 129: ...MAYCO ST 45HRM PUMP OPERATION PARTS MANUAL REV 4 07 16 04 PAGE 129 ST 45 OPTIONAL RADIO CONTROL...

Page 130: ...nt chemicals andlubricants g Decalsandpaperproducts h Itemspurchasedinkits 7 The sender will be notified of any materialreceivedthatisnotacceptable 8 Such material will be held for five workingdaysfro...

Page 131: ...THEFAILUREOFANYPUMP OR PART TO OPERATE PROPERLY INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULARPURPOSE Hydraulic Drive Models MAYCO PUMP hereinafter referred to as Manufacturer...

Page 132: ...7 3700 FAX 310 637 3284 MAYCO PARTS 800 306 2926 FAX 800 672 7877 310 537 3700 FAX 310 637 3284 SERVICE DEPARTMENT 800 421 1244 FAX 310 537 4259 310 537 3700 TECHNICALASSISTANCE 800 478 1244 FAX 310 6...

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