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ST-70 — PARTS & OPERATION MANUAL — REV. #4 (05/29/07) — PAGE 53

ST-70 — HYDRAULIC/CONCRETE CYLINDERS

ST-70
HYDRAULIC / CONCRETE CYLINDERS

NO.

PART NO.

PART NAME

QTY.

REMARKS

1

EM510265

 BOLT, HEX. HD. 3/8"-NC x 3 1/4"

6

2

EM16464

 PLATE, FACE

2

3

EM16465

SPACER

6

4

EM16463

PISTON CUP

2

5

EM14408

RING, BRONCE

2

6

EM16493

RING, FELT

2

7

EM16462

FELT HOLDER

4

8

EM16461

PLATE, OILER

2

9

EM14407

O-RING

2

10

EM25801

CYLINDER, CONCRETE

2

11

EM25110

RETAINER, CYLINDER

4

12

EM492624

WASHER,  LOCK  3/8"

14

13

EM492598

WASHER, 3/8"

22

14

EM492375

BOLT, HEX. HD. 3/8"-NC x 1"

8

15

EM16174

O-RING

2

16

EM492451

BOLT, HEX. HD. 3/8"-NF x 1"

8

17

EM50443

SEAL, OIL

8

18

EM509417

TANK, LUBE

1

19

EM492378

BOLT, HEX. HD. 3/8"-NC x 1 3/4"

1

20

EM508517

COVER, TANK

1

21

EM50425

FLANGE

2

22

EM27435-1

SEAL

2

23

EM16460

ADAPTER

2

24

EM97076

CYLINDER HYDRAULIC

1

25

EM97077

CYLINDER HYDRAULIC

1

26

EM25497

ELBOW

4

27

EM16454

CLEVIS PIN

2

28

EM505723

COTTER PIN 5/32" x 1-½”

4

29

EM97024

SWITCH, PROXIMITY

2

30

EM97025

CONDUCTOR, CYLINDER SWITCH

2

31

EM18447

PLUG PIPE 3/4"

1

32

EM25474

HOSE

1

33

EM25843

PLATE, WEAR

1

34

EM265

BOLT, FLAT SOCKET HD. 5/8"-NC

2

35

EM264

BOLT, FLAT SOCKET HD. 1/2"-NC

1

36

EM295

BOLT, FLAT SOCKET HD. 3/4"-NC

2

Go to Discount-Equipment.com 

to order your parts

Содержание MAYCO ST-70

Страница 1: ...ON MANUAL Revision 4 05 29 07 MODEL ST 70 Structural Concrete Pump Hatz Diesel Engine THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r...

Страница 2: ...e needs We sell worldwide for the brands Genie Terex JLG MultiQuip Mikasa Essick Whiteman Mayco Toro Stone Diamond Products Generac Magnum Airman Haulotte Barreto Power Blanket Nifty Lift Atlas Copco...

Страница 3: ...PAGE 2 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 Diesel engine exhaust and some of G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 4: ...pper Assy 56 57 Remixer Control Assy 58 59 Throttle Assy 60 61 Engine and Frame 62 63 Oil Cooler Assy 64 65 Fuel and Hydraulic Tank 66 67 Battery Tail Lights Water Separator Gauges 68 69 Axle and Brak...

Страница 5: ...or 5 dia Electrical System 12 v D C Hydraulic Oil System 58 gal FuelTank Capacity 20 gal Weight with fluids 4700 lb 2132kg Tire Size 7 35 14 8 ply Brakes 12 dia Hydraulic Surge All SteelTrailer Frame...

Страница 6: ...TE PROPERLY INCLUDING ANYWARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Hydraulic Drive Models MAYCO PUMP hereinafter referred to as Manufacturer warrants each new Mayco Pump sold b...

Страница 7: ...ING DANGER OF AMPUT ARNING DANGER OF AMPUT ARNING DANGER OF AMPUTA A A A ATION TION TION TION TION Neverplaceyourhandsoranypartofyourbodyinthehopper or allow anyone else to do so while the engine is r...

Страница 8: ...pipeline is opened pressure must be relieved by sucking back the concrete Secure the couplings after the assembly of the pipeline When laying pipeline use as few bends as possible Horizontal pipelines...

Страница 9: ...Use only a 2 one piece all steel machined or forged ball rated for a minimum of 5000 lbs I Before start up check the hopper and remove all obstructions J Keep hands feet and human body parts out of th...

Страница 10: ...ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 PAGE 11 IMPORTANT HAND SIGNALS G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 11: ...self There are four ways in which this seal can be lost 1 By pumping excessively wet mixes which do not have enough cohesion to hold together 2 Bypumpingharshundersandedconcretewithpoorlygraded aggreg...

Страница 12: ...aded 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 Sufficient cement to produce the required design strength of...

Страница 13: ...HATTHIS MIX DESIGN IS NOT TO BE USED EXCEPT AT THE USERS OWN RISK UNLESS THESE VARIATIONS ARE DETERMINED AND COMPENSATED FOR IN A MANNER APPROVED BYTHE LABORATORY INWRITING Specifications requirements...

Страница 14: ...NDTHATTHIS MIX DESIGN IS NOT TO BE USED EXCEPT AT THE USERS OWN RISK UNLESS THESE VARIATIONS ARE DETERMINED AND COMPENSATED FOR IN A MANNER APPROVED BYTHE LABORATORY INWRITING Specifications requireme...

Страница 15: ...IX DESIGN IS NOT TO BE USED EXCEPT AT THE USERS OWN RISK UNLESS THESE VARIATIONS ARE DETERMINED AND COMPENSATED FOR IN A MANNER APPROVED BYTHE LABORATORY INWRITING Specifications requirements 4000P S...

Страница 16: ...ercentageofsandbyweightthatpassesthrough the No 50 sieve must be between 15 and 30 and through the No 100 sieve 5 and 10 The total of 50 and 100 mesh particles must be between 25 and 35 percent This f...

Страница 17: ...o but not through the first layer Distribute rodding evenly over the entire cross section of the layer See figure B 5 Fill cone to overflowing Rod this layer 25 times with rod penetrating into but not...

Страница 18: ...in the hopper and is sequenced to operate in conjunction with the cycling of the drive cylinders The ST 70 cycling sequence is initiated by an electrical signal generated by two proximity switches loc...

Страница 19: ...e damage to the pump or personal injury Figure 1 illustrates the basic operating controls and indicators on the MAYCO ST 70 Concrete pump Each of the items referenced will be discussed The sequence wi...

Страница 20: ...OIL LEVEL SIGHT GLASS NORMAL LEVEL LOW LEVEL ADD OIL HYDRAULIC OIL TEMPERATURE GAUGE OIL DIPSTICK OIL FILTER THROTTLE CABLE SOLENOID ENGINE SIDE PANEL RED POSITIVE WHITE NEGATIVE Figure 2 Engine Oil I...

Страница 21: ...7 Emergency Stop Switch EMERGENCY S TOP Figure 8 Ignition Switch IGNITION ON OFF START BATTERY OIL AIR FILTER PRESSURE Figure 9 Status indicator Lights INITIAL START UP PROCEDURE 7 ObservethattheAirF...

Страница 22: ...ion Figure 13 Engine Tachometer 20 25 30 10 40 TACH HOURS RPM X 100 8 1 10 0 35 5 15 0 0 0 0 4 Figure 12 Hydraulic Oil Temperature Gauge 150 2 0 0 250 150 1 0 0 50 0 F Figure 14 Engine Throttle Contro...

Страница 23: ...onents with water Figure 16 Accumulator Pressure Gauge ACCUMULATOR PRESSURE GAUGE 0 3000 PSI 2000 3000 1500 LHA 0 2500 500 1000 Figure 17 Fan On Off Switch FAN OFF ON PRESSURE TEST 12 The Pressure Tes...

Страница 24: ...SIGNAL CABLE SIGNAL CABLE Figure 22 Handheld Remote Cable Unit HAND HELD REMOTE UNIT HAND HELD REMOTE UNIT CONTROL SWITCHES CONTROL SWITCHES 25 FT CABLE 25 FT CABLE 15 CYLINDER LUBRICATION BOX WARNIN...

Страница 25: ...he Setup and Operation of Mayco Model ST 70 Hydraulic Concrete Pump 1 The Mayco pump must be operated by experienced operators who are qualified with the particular model being used or students under...

Страница 26: ...0mixture slickpac bentonite clay NOTE The bentonite is not compatible with concrete Do not pump it into the forms discharge it out of the formed area Mix the prime to the consistency of a smooth batte...

Страница 27: ...blockages 4 If a blockage occurs in the hose STOP the pump walk the hose until you find the point of trouble The hose will be soft immediately past the blockage Elevate the hose at thatpointwiththebl...

Страница 28: ...e redi mix concrete ticket It is suggested before starting the pumping job you ask the driver of the redi mix truck to see the concrete ticket and note the admixtures that exist and take the proper ac...

Страница 29: ...the entire hopper shuttle tube and discharge elbow with water 6 Scoopout12inchesofconcretefromtheinboardendofthe delivery hose Cork screw a 6 x 6 x 8 sponge into the end of the first hose section Rec...

Страница 30: ...the ground and lift the truck and trailer combination 2 to 4 If the ball does not disengage the actuator is securely attached 6 Insert a padlock or bolt through the lock hole for added protection 7 Co...

Страница 31: ...reate extreme stress or fracture either the actuator or trailer tongue BACKINGUP 1 Refer to the previous steps 1 through 14 for Towing 2 Before backing up a slope or through soft ground pull the trail...

Страница 32: ...efective hoses 3 Check the brake fluid level in the master cylinder reservoir Keep it filled to within from the top of the reservoir CAUTION Do not fill the master cylinder reservoir with used brake f...

Страница 33: ...D ON XXXX Make Obtain Locally Indicates that the part can be purchased at any hardware shop or made out of available items Examples include battery cables shims and certain washers and nuts Not Sold S...

Страница 34: ...OPERATION PUMP ENG ST 70 Structural Concrete Pump 3 Units Qty P N Description 1 EM16459 PIN 2 EM25801 CONCRETE CYLINDER 2 EM16462 FELT HOLDER 6 EM16463 PISTON CUP 8 EM16493 FELT RING 2 EM16461 OIL PAR...

Страница 35: ...ly switch the engine O F F C o n s u l t y o u r o p e r a t i n g a n d instruction manual before proceeding Great care must be taken to clear a plug a s a d a n g e r o u s c o n d i t i o n d u e t...

Страница 36: ...UTION DRY NITROGEN 1 6 EM97083 DECAL WARNING 1 7 EM97071 DECAL CAUTION MINIMUM OIL LEVEL 1 EM1028 DECAL MAYCO LOGO 2 EM97082 DECAL ST 70 2 EM97080 DECAL EMERGENCY CYCLING 1 EM965 DECAL VOLUME CONTROL...

Страница 37: ...PAGE 38 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 CONTROL PANEL INSTALLATION G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 38: ...4 NC HEX 2 3 EM492622 WASHER 1 4 LOCK 2 4 EM492357 BOLT 1 4 NC x 1 HEX 2 5 EM491873 CONNECTOR 1 6 EM5015901 CONNECTOR 3 7 EM491876 WASHER CONNECTOR 4 8 EM509738 CABLE 18 GA 1 9 EM509588 POLIFLEX 1 10...

Страница 39: ...PAGE 40 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 CONTROL PANEL FRONT G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 40: ...CK 1 EM97044 NAME PLATE OIL PRESSURE 1 8 EM97039 PILOT LIGHT BATTERY 1 EM97041 CONTACT BLOCK 1 EM97042 NAME PLATE BATTERY 1 9 EM97030 SWITCH DIRECTIONAL CONTROL 1 EM97031 NAME PLATE DIRECTIONAL FWD RE...

Страница 41: ...PAGE 42 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 CONTROL PANEL INTERIOR G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 42: ...5 D17 D14 D10 D9 D6 D19 COOLING FAN MOTOR PROX SW MAGNET VALVE START STOP BATTERY REV SOL HI THROTTLE SOL PILOT VALVE SOL A PILOT VALVE SOL B UNLOAD SOL PRESS TEST SOL HYD PRESS COMPENSATOR REMOTE CON...

Страница 43: ...OL PANEL INTERIOR NO PART NO PART NAME QTY REMARKS 1 EM97050 RELAY IDEC 2 2 EM97048 RELAY 1 3 EM97027 SOLENOID 3 4 EM97078 FUSE 15 AMP 3 5 EM98001 DIODE 6 AMP 1 6 EM98002 DIODE 1 AMP 19 7 EM40711 SWIT...

Страница 44: ...ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 PAGE 45 NOTE PAGE G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 45: ...PAGE 46 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 MAIN DRIVE PUMPS G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 46: ...24 WASHER LOCK 318 2 16 EM 492375 BOLT HEX HD 3 8 NC x 1 2 17 EM 609783 HOSE SUCTION GEAR PUMP 1 18 EM 609796 ADAPTER 1 19 EM 16524 ELBOW 90 DEG 2 20 EM 492375 BOLT HEX HD 318 NC x 1 1 21 EM 25511 ADA...

Страница 47: ...PAGE 48 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 MANIFOLD CONTROL 2A G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 48: ...MP PRESSURE GAUGE 1 13 EM98007 FITTING 3 14 EM509511 HOSE MAIN PRESSURE LINE 2 15 EM509374 HOSE PRESSURE LINE TO CYLINDER 1 16 EM25498 ADAPTER 4 17 EM97005 CARTRIDGE BLEED OFF 1 18 EM509400 HOSE TANK...

Страница 49: ...PAGE 50 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 ACCUMULATOR G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 50: ...EM97016 CLAMP 1 3 EM509425 ADAPTER 1 4 EM509353 ELBOW 90 DEG 1 5 EM509562 BOLT HEX HD 3 8 NC x 5 8 2 6 EM492624 WASHER LOCK 3 8 NC 2 7 EM492598 WASHER 3 8 2 8 EM509444 BRACKET 1 9 EM492373 BOLT HEX H...

Страница 51: ...e needs We sell worldwide for the brands Genie Terex JLG MultiQuip Mikasa Essick Whiteman Mayco Toro Stone Diamond Products Generac Magnum Airman Haulotte Barreto Power Blanket Nifty Lift Atlas Copco...

Страница 52: ...PAGE 52 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 HYDRAULIC CONCRETE CYLINDERS G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 53: ...3 8 NC x 1 8 15 EM16174 O RING 2 16 EM492451 BOLT HEX HD 3 8 NF x 1 8 17 EM50443 SEAL OIL 8 18 EM509417 TANK LUBE 1 19 EM492378 BOLT HEX HD 3 8 NC x 1 3 4 1 20 EM508517 COVER TANK 1 21 EM50425 FLANGE...

Страница 54: ...PAGE 54 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 SHUTTLETUBE ASSY 38 39 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 55: ...LOCK 1 2 4 16 EM492584 NUT LOCK 1 2 1 17 EM284 STUD 1 14 NS 1 18 EM16175 O RING 1 19 EM16170 RING SEAL 1 20 EM16176 O RING 1 21 EM25843 NUN PLATE 1 22 EM16171 RING WEAR 1 23 EM16816 2 RING INSERT 1 24...

Страница 56: ...PAGE 56 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 HOPPER ASSY G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 57: ...250 SPACER 4 17 EM18136 PLATE SPACER 8 18 EM18138 SPACER SEAL 16 19 EM18137 SEAL SHAFT 4 20 EM16426 FITTING LUBE 90 DEG 3 21 EM508812 FITTING LUBE 5 22 EM491701 FITTING GREASE 5 23 EM505121 BOLT HEX H...

Страница 58: ...PAGE 58 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 REMIXER CONTROL ASSY G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 59: ...E MOTOR TO VALVE 2 4 EM25509 ADAPTER 2 5 EM509378 HOSE RETURN TO HEAT EXCHANGER 1 6 EM25507 ELBOW 90 DEG 1 7 EM25495 VALVE REMIXER 1 8 EM492553 NUT HEX 5 16 NC 2 9 EM492623 WASHER LOCK 5 16 2 10 EM218...

Страница 60: ...PAGE 60 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 THROTTLE ASSY G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 61: ...LEVIS 1 6 EM722 STOP NUT 1 7 EM492598 NUT LOCK 5 16 NC 2 8 EM492364 BOLT HEX HD 5 16 NC x 1 1 9 EM16740 2 CABLE THROTTLE 1 10 EM16740 1 HANDLE THROTTLE 1 11 EM492581 NUT LOCK 1 4 NC 5 12 EM492622 WASH...

Страница 62: ...EV 4 05 29 07 ST 70 ENGINE AND FRAME 34 33 35 36 37 28 29 24 22 25 19 30 23 31 26 27 10 28 32 14 21 12 12 11 13 8 4 9 17 15 5 7 6 2 1 3 18 20 39 38 40A 41 42 G o t o D i s c o u n t E q u i p m e n t...

Страница 63: ...16159 PIN HINGE SPLASH PLATE 1 20 EM70134 2 PIN SPLASH PLATE 1 21 EM717 PIN COTTER 1 22 EM80101 FRAME ASSY 1 23 EM16459 PIN CLEVIS 2 24 EM14169 GREASE FITTING 2 25 EM16602 2 HYDRAULIC SURGE BRAKE ASSY...

Страница 64: ...PAGE 64 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 OIL COOLER ASSY G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 65: ...16 4 4 EM509791 COOLER 1 5 EM509779 HOSE 1 6 EM509802 SHROUD COOLER 1 7 EM492622 WASHER LOCK 1 4 4 8 EM492356 BOLT HEX HD 1 4 NC x 3 4 4 9 EM492376 BOLT HEX HD 3 8 NC x 1 2 10 EM492598 WASHER 3 8 2 1...

Страница 66: ...PAGE 66 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 FUEL AND HYDRAULICTANK G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 67: ...EM26471 CLAMP 1 13 EM509437 HOSE 1 14 EM508826 TUBE PLASTIC 1 15 EM20426 ELBOW 4 16 EM20421 VALVE 1 17 EM503117 BOLT HEX 3 8 NC x 3 1 18 EM16513 DEFUSER 1 19 EM16516 PIPE 1 20 EM16478 GAUGE LEVEL TEM...

Страница 68: ...PAGE 68 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 BATTERY TAIL LIGHTS WATER SEPARATOR GAUGES G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 69: ...4 5 8 EM492596 WASHER 1 4 2 9 EM25708 FRAME 1 10 EM509105 CABLE BATTERY GROUND 1 11 EM16738 BATTERY 12 VOLT 1 12 EM16707 CABLE BATTERY POSITIVE 1 13 EM25523 ADAPTER 2 14 EM97066 GAUGE ACCUMULATOR PRE...

Страница 70: ...PAGE 70 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 AXLE AND BRAKES 7 8 9 10 23 11 26 22 25 24 22 21 6 12 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 71: ...0 EM26110 RACE INNER BEARING 2 11 EM26108 BEARING INNER 2 12 EM26109 SEAL GREASE 2 13 EM16612 LOCK NUT HEX9 16 NF 14 14 EM16609 LINK REAR SHACKLE 4 15 EM508846 WASHER LOCK 9 16 8 16 EM16607 SADDLE SPR...

Страница 72: ...PAGE 72 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 HYDRAULIC SURGE BRAKE AND HITCH G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 73: ...492584 NUT 1 2 NC HEX 2 2 EM492626 WASHER LOCK 1 2 2 3 EM16602 2 HYDRAULIC SURGE BRAKE ASSY 1 FOR COMPONENTS CONTACT YOUR LOCAL ATWOOD DEALER 4 EM492401 BOLT HEX 1 2 NC x 4 2 5 EM16116 KIT BRAKE 1 INC...

Страница 74: ...OPERATION MANUAL REV 4 05 29 07 SER SER SER SER SERVICE VICE VICE VICE VICE INFORMA INFORMA INFORMA INFORMA INFORMATION TION TION TION TION G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e...

Страница 75: ...2 4 2 1 1 1 3 3 1 3 1 4 8 6 4 B A 43 34 44 17 4 50 55 57 57 37 48 2 22 47 45 46 32 33 31 32 46 53 32 46 46 4 30 WHITE WHITE SW 1 PB 1 A2 A1 SW 2 SW 3 SW 5 SW 4 SW 6 TO TB1 AND TB2 PL1 PL3 PL2 NOTE ADD...

Страница 76: ...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 30 TB31 AND WIRE NO 57 TB1 18 TB1 19 TB1 20 T...

Страница 77: ...K 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 SOL TES...

Страница 78: ...ALL MAYCO WIRES ARE CONNECTED TO TB1 3 GROUND WIRE SUPPLIED WITH CONTROL PANEL CONNECTION MADE INSIDE PANEL TO MOUNTING HARDWARE SCAPE PAINT TO ENSURE GROUND INTEGRITY ENG OIL PRES SW D 0 22 0 31 33 3...

Страница 79: ...7 PAGE 79 ST 70 HYDRAULIC DIAGRAM EM97026 EM98005 EM98004 EM97011 EM97013 EM97006 EM97012 EM97024 EM97015 EM97008 EM97009 EM25454 EM25425 EM97002 EM97025 EM97017 G o t o D i s c o u n t E q u i p m e...

Страница 80: ...PAGE 80 ST 70 PARTS OPERATION MANUAL REV 4 05 29 07 ST 70 OPTIONAL RADIO CONTROL G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s...

Страница 81: ...ump is equipped with a nitrogen accumulator which stores hydraulic energy You will be required to put your hand in the concrete cylinders or near the suttle You are at extreme risk if the engine is ru...

Страница 82: ...ype Reservoir capacity 58 gal Hydraulic oil Shell Oil Tellius 68 or Mobil DFE 26 Texaco Rand HDC The Mayco pump is equipped with an in tank return hydraulic filter with a 10 micron cleanable filter Th...

Страница 83: ...about the concrete cylinder height Important notice During freezing temperature after pumping completely drain the water box and cover the hopper Frozen liquid will restrict the piston travel and cau...

Страница 84: ...r clockwise to maximum volume position Locate the electrical control panel turn the pumpswitchtotheonposition nextturnthetestswitch on Using an allen wrench adjust the main relief port 3C valve to 350...

Страница 85: ...locknut Turnengine offandonseveraltimestomakethepressurecontinuestoread 1950PSI Withreliefvalvesetat1950PSIitistimetoadjustthe unloading cartridge Turn on pump and run at 2350 Rpm s and maximum volume...

Страница 86: ...c t i w s e l c y c y c n e g r e m e e h T d e s u e b n a c x o b l o r t n o c n i d e t a c o l y t l u a f s i h c t i w s h c i h w e n i m r e t e d o t y t i m i x o r p e v i t c e f e d e c...

Страница 87: ...i w o t e h t n o Electrical Problem When starter switch is activated and nothing occurs Problem Hatz engine will not continue to run after key is released e s u a c e l b a b o r P n o i t u l o S s...

Страница 88: ...84 Step5 Start engine and turn on pressure test switch cycle pump in reverse until hydraulic system obtains maximumpressure atthispointturnpumpandengine off Remove ignition key and disconnect battery...

Страница 89: ...extremecarenuttodamagethehoppersealP N16184 Step5 Removethefour5 8 111 boltsthatholdthesuttle tube to the nun plate and remove suttle tube The energizer ring and wear ring will normally have concrete...

Страница 90: ...a e b l e e h w d e t a e h r e v O h t i w k c a p g n i r a e b l e e h w e c a l p e R e s a e r g d i u l f e k a r b w o L m e t s y s e k a r b d e e l b d n a l l i F r e d n i l y c r e t s a...

Страница 91: ...e needs We sell worldwide for the brands Genie Terex JLG MultiQuip Mikasa Essick Whiteman Mayco Toro Stone Diamond Products Generac Magnum Airman Haulotte Barreto Power Blanket Nifty Lift Atlas Copco...

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