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Rears Pakblast 50 Gal Manual Download Page 21

3

Pak-Blast 

50 gallon

Read this manual completely before operating:  follow all safety instructions.

89

93

195

5

103

Safety Decal Locations

For the safety of operators, maintenance workers, and 
bystanders, familiarize yourself with the safety decals on 
the sprayer. Decals indicated on the illustration, above, 
are reproduced on the previous page. 

Decal 88 and 89 are on the implement driveline. Decal 88 
can only be seen if a guard is removed. 

Decal 91 is only present on units with hydraulic controls.

Make certain all decals listed here are present on the 
sprayer and in good condition. Replacement decals are 
available from your dealer or direct from Rears.

88

implement driveline

DANGER

NO RIDERS

NO PASAJEROS

DECAL195

129

11

15 16 91 102 111

10

Summary of Contents for Pakblast 50 Gal

Page 1: ...R E A R S Pakblast 50 Gal PAKBLAST 50 GALLON READ THIS MANUAL BEFORE OPERATING 06 11 2018 CHEMICAL CONTAINERS INC LAKE WALES FLORIDA 800346 7867 ...

Page 2: ......

Page 3: ...can lead to careless injuries Read this manual and the manual for your tractor before assembly or operation to acquaint yourself with the machines If this machine is used by any person other than the owner or is loaned or rented it is the owner s responsibility to make certain that the operator has instruction for the safe and proper use of the machinery and that the operator reads and understands...

Page 4: ... if the noise in the operator s position exceeds 80db Long term exposure to noise over 85db can cause severe hearing loss Long term exposure to noise over 90db may cause permanent total hearing loss NOTE Hearing loss from loud noise from tractors chain saws radio earphones is cumulative over a lifetime without hope of natural recovery Operate the implement only with a tractor equipped with an appr...

Page 5: ...the PTO speed to the implement s required operating speed either 540 or 1000 rpm Check the tractor master shield over the PTO stub shaft Make sure it is in good con dition and fastened securely to the tractor Purchase a new shield if the old shield is damaged or missing A tractor salvage yard is a good source for older tractors Tractors without a live PTO need to be equipped with an over running P...

Page 6: ...e mixing must have adequate ventilation powders dust and granuals can become airborn when adding to the spray tank concentrated vapors can pose health or flammability hazards Mix only enough chemical for the particular job Preventing chemical surplus is the best way to prevent a disposal problem Be aware of meteorological conditions and plan spray applications during opportune times High winds and...

Page 7: ...othes to avoid contaminating your dryer Chemical resistant gloves make a big difference BUT don t rub contaminated gloves on your skin A good safety practice before eating drinking smoking or using the bathroom rinse your gloves thoroughly BEFORE removing them then take off your gloves and wash your hands Trained personnel should thoroughly clean the inside and outside of mixing and ap plication e...

Page 8: ...pray orifices are sized correctly for your application and not worn Use strainers and nozzle screens appropriate for your water source and chemical use Check all lines valves and seals for leaks after filling with water and during calibra tion Replace all weather cracked or worn hoses Wear proper protective equipment when adding chemicals to the spray tank The area where you are mixing must have a...

Page 9: ...igh winds and low humidity will increase drift and adversely affect your spray program Avoid spraying near lakes streams pastures population areas houses schools playgrounds hospitals beehives or sensitive non target crops Always spray downwind from these sensitive areas and do not spray during adverse wind or low humidity conditions Follow your sprayer lubrication schedule ...

Page 10: ...iliar with the implement Always stop the tractor set the brake shut off the engine remove the ignition key before dismounting the tractor Never leave equipment unattended with the trac tor running Never place any part of your body in the mechanical compartment with tractor engine running or before you are sure all motion has stopped Stay clear of all moving parts Do not reach or place yourself und...

Page 11: ...ure all pins have cotter pins and washers Serious injury may occur from not maintaining this machine in good working order Install and secure all guards and shields before starting or operating Keep hands feet hair and clothing away from all moving parts This implement is designed for use only on tractors with 540 1000 RPM power take off DO NOT EXCEED YOUR IMPLEMENT S RATED PTO SPEED If possible w...

Page 12: ...or s front wheels Without this weight the tractor could tip over causing personal injury or death The weight may be attained with a front end loader front wheel weights ballast in the tires or front tractor weights When attaining this minimum 20 front wheel weight you must not exceed the ROPS weight rating Weigh the tractor and the implement Do not guess or esti mate Be careful when operating the ...

Page 13: ...serious injury or death Do not attempt to mount a tire unless you have the proper equipment and experi ence to do the job Inflating or servicing tires can be dangerous Whenever possible trained personnel should be called to service and or mount tires Always order and install tires and wheels with appropriate capacity to meet or exceed the anticipated weight to be placed on them Sprayer Safety Tire...

Page 14: ...ment have come to a complete stop before attempting to perform maintenance Never work under equipment unless it is blocked securely When performing any service or maintenance always use personal protection de vices such as eye hand and hearing protection Trained personnel should throughly clean the inside and outside of equipment im mediately after use Follow all chemical handling directions suppl...

Page 15: ...an occur When disconnecting hydraulic lines shut off supply relieve all hydraulic pressure Before pressurizing system inspect all components Make sure fittings are tight and lines are not worn kinked or damaged After servicing be sure all tools parts and service equipment are removed Do not allow grease or oil build up on any deck or platform Never replace hex bolts with less than grade 5 bolts un...

Page 16: ...nd make gentle turns Make certain that at least 20 of the total weight of tractor and implement is on the front wheels to maintain safe steerage Slow down on rough or uneven surfaces Use extreme care and maintain minimum ground speed when transporting on hill sides rough ground or when travelling close to ditches and fences Be careful when steering around sharp corners Never allow riders on either...

Page 17: ... and system with RV antifreeze solu tion and leave solution in the pump for storage Remove nozzle tips and screens and store in a can of light oil to prevent corrosion Plug the nozzle openings with blanks Lubricate as instructed in the maintenance schedule Inspect all lines hoses valves before storing Damage to pump and plumbing should be repaired before storage Make a list of replacement parts ne...

Page 18: ...njury Indicates a potentially hazardous situation that if not avoided may result in death or serious injury Indicates an area of extreme danger machine components and hazardous opera tions that for functional purposes cannot be guarded and if not avoided could result in death or serious injury Warns the operator of potential machine damage if indicated procedure is not fol lowed Keep safety decals...

Page 19: ...xvii Read this manual completely before operating follow all safety instructions ...

Page 20: ...ETC ETC CHECK ALL FASTENERS REGULARLY AS A PART OF YOUR MAINTENANCE SCHEDULE IF YOU FIND LOOSE BOLTS CHECK MORE OFTEN ONLY REPLACE WITH EQUAL GRADE FASTENER OR BETTER DAMAGE TO EQUIPMENT DUE TO LOOSE FASTENERS IS THE RESPONSIBILITY OF THE OPERATOR AND NOT COVERED BY WARRANTY DECAL10 USE LOCKWASHERS OR LOCTITE WHERE NEEDED 10 11 88 89 102 5 DANGER NO RIDERS NO PASAJEROS DECAL195 195 93 103 CHEMICAL...

Page 21: ...ndicated on the illustration above are reproduced on the previous page Decal 88 and 89 are on the implement driveline Decal 88 can only be seen if a guard is removed Decal 91 is only present on units with hydraulic controls Make certain all decals listed here are present on the sprayer and in good condition Replacement decals are available from your dealer or direct from Rears 88 implement driveli...

Page 22: ...e free of debris 7 All guards must be in good working order 8 Check that all hoses and connectors are in good work ing order Selecting and preparing the tractor 1 Tractor size consider ground speed terrain and fan pitch when selecting a tractor 2 Tire pressure inflate tractor tires as recommended in your tractor s operator manual 3 Front end weighting add weights to the tractor front if needed for...

Page 23: ...lso affect spray pressure 11 Always wear proper protective equipment read the labels of all materials being used and observe all han dling instructions 12 Flush tank and pump system with water at the end of the day to keep plumbing clear 13 Do not clean lubricate or adjust the implement while the PTO is rotating or the tractor is running 14 If excessive vibration develops shut down immedi ately Po...

Page 24: ...llow the chains to hang out of the way Install the tractor lift arms to the outside of the sag chains install snap pins 9 Start the tractor and raise the lift arms enough to in stall the top link bar or turnbuckle as illustrated at D 10 As illustrated in fig 2 lift the sprayer up to operat ing height the pump shaft and the tractor PTO shaft are in line Note if the top link bar must be shorter or l...

Page 25: ...g drive component life operate the PTO with the tractor PTO shaft and the pump drive shaft in line the implement drive line should be level To simplify hook up and disconnect procedures store the Pak Blast on a stable raised platform Measure distance x between the end of your tractor PTO shaft and the center of the lift arm ball sockets The ball sockets must be level with the PTO shaft slide a bro...

Page 26: ...ty grade 30wt non detergent motor oil daily 4 Fan gearbox See Gearbox parts page All lube points have been made accessible Lubrication does not require disassembly Always use a Lithium base NLGI Grade 2 EP grease We recommend Texaco Multifak EP2 Shell Alvania 2EP and Mobil Mobilux EP2 Use an oil compatible with your pump or gearbox listed on the schedule below For first time use grease all lube po...

Page 27: ... 3 point mount insert 2 NF1502 1 NF1502 including pin assy 10 44 45 44 5410 7 8 lock washer 2 45 5411 7 8 nut 4 46 DEF one complete lower deflector 2 47 DEF 2 one complete upper deflector 1 No Part Description Qty 1 MB050F 50 gallon frame 1 2 WB4 manifold mount bracket 4 3 MBM22R manifold right 1 4 MBM22L manifold left 1 5 MBTG22 fan screen 1 6 see fan drive and gearbox page 8 see pump page 9 MBH0...

Page 28: ...Pak Blast 50 gallon 10 CHEMICAL CONTAINERS INC 800 346 7867 ...

Page 29: ...ions are available in the pump section of this manual troubleshooting spray manifold will not spray Check that there is liquid in the tank Check that pressure is adequate on pressure gauge If not refer to the pressure drop section above Check the hand control pilot line manual controls for crimping Bleed off air at the handgun hookup valve Check the hand control pilot line manual controls for bloc...

Page 30: ...E 5 8 hardened flatwasher 1 belts fan 4 3VX560 agitation 4L370 No Part Description Qty 1 AGP06206 agitator pulley 5 8 bore x 6 dia 1 2 KW0180087 woodruff key 3 16 x 7 8 1 3 MGB0460 14M X 30M bolt 1 MGB044 14M lockwasher 1 4 MGB0459 14M flatwasher 1 6 MBP4 3V fan drive pulley 1 7 0500100CH5 1 2 13 x 1 Gr 5 bolt 1 050WSAE8 1 2 hardened flatwasher 1 050WS 1 2 lockwasher 1 8 KB7024AL idler pulley incl...

Page 31: ...lacement belt 1 Loosen belt tension arm fastener 13 2 Loosen lock collar on bearing 28 3 Roll fan drive belt off of pulley 6 4 Loosen pump bracket fasteners 35 and slide pump assembly out of bearing 28 5 Loosen agitator belt idler pulley arm fastener 21 and let agitator belt hang off of agitator pulley 6 You will need to remove pump bracket fasteners 35 to remove the old belt and install a replace...

Page 32: ...his tension and tighten assembly mount bolt A Rotate belt in both directions to set properly The belt should be nearly centered on the idler pulley The belt must not hang over the edge of the idler pulley CHECK NEW BELT TENSION AT 4 8 HOURS CHECK WEEKLY AFTER BREAK IN tension micro v fan belt drive for A58 fan belt see following section SHUT DOWN TRACTOR SET BRAKE AND REMOVE KEY WHEN WORK ING ON S...

Page 33: ...increase tension To decrease belt tension loosen the nut on the tension bolt After making tension adjustments rotate pump pulley both directions to equalize belt tension and measure belt deflection again Repeat adjustments as necessary When desired tension is reached re install belt guard NEVER OPERATE MACHINERY WITHOUT ALL GUARDS PROPERLY INSTALLED TENSION BOLT 0 10 0 10 0 0 0 10 10 10 Correct In...

Page 34: ...t Description Qty 1 PAL00039 blade 9 1c AUT00004 M6 locknut 9 2 FUS00187 hub case inner half with friction lining 1 2c TCC00008 M6 x 35 bolt 9 3 FUS00186 hub case outer half with friction lining 1 3c TCC00137 M6 x 20 bolt 9 4 COP00010 fan cover 1 Drive case MGB22 Fan MF24BD Always use an AGMA No 2 EP rated gear lubricant such as Mobilgear 600 XP 68 MGB22 is a sealed bearing housing There is no oil...

Page 35: ...til the fan blades can rotate You will need a hex socket to hold the nylock nut on the back side of the fan housing Set the blade pitch between 5 less air and 7 more air Setting 1 4 are not recommended Setting 7 is only avail able for the micro v belt drive page 14 the maximum pitch setting for the A 58 belt drive system page 15 is 6 Using the pitch setting 8 will damage the belt drive As illustra...

Page 36: ...n Shaft slide to shaft shoulder 4 Install Washer and Nut Do not over tighten nut tighten nut until you can no longer rotate the washer by hand 5 Install Fan Cover Fan Installation DANGER DO NOT REMOVE FAN GUARD WITH TRACTOR RUNNING BEFORE REMOVING FAN GUARD SHUT DOWN TRACTOR SET BRAKE AND REMOVE KEY NEVER OPERATE SPRAYER WITHOUT FAN GUARD INSTALLED Fan Cover Blades removed for illustration purpose...

Page 37: ...6903 1 SSPP 15941 1 SSPP 16 mesh screen gray 1 16903 3 SSPP 15941 2 SSPP 30 mesh screen yellow 16903 4 SSPP 15941 3 SSPP 50 mesh screen red 16903 5 SSPP 15941 4 SSPP 80 mesh screen blue 16903 6 SSPP 15941 5 SSPP 100 mesh screen green 3 50494 EPR 48656 EPR large strainer gasket 1 4 50493 PP 48654 PP strainer bowl poly 1 5 63150 EPR small strainer gasket 1 6 48655 PP cap 1 126 Line Strainer Assembly...

Page 38: ...ressure relief valve Spray manifolds OFF Use this function to control handgun pressure pressure relief valve c a d b a b c d e f g right manifold line pump pressure supply line left manifold line dump tank return line handgun valve tank return mix valve this valve tank return mix line 100 gallon unit with trellis fan housing shown left c b e f g a d The mix return valve f must remain closed when s...

Page 39: ...29 170 208 143 7 602 12 550350 550210 550242 180 1101 3 170 201 7 170 214 1 170 620 5 170 1617 17 170 206 1 170 302 30 parts kit for 170 206 8 170 7 1 170 104 1 170 215 1 23 1003 16 23 1003 16 170 1604 4 170 1604 4 170 602 24 73 602 22 170 602 26 170 602 25 170 601 23 73 602 58 170 6 1 170 1617 16 170 1617 15 170 602 27 PART NUMBER 66 602 3 66 602 3 170 1603 22 170 1603 22 PART NUMBER PART NUMBER ...

Page 40: ... 22 17 22 1 20 15 19 4 11 14 18 21 braglia dump valve and pressure regulating valve 1 brown blue 5 6 10 8 9 4 7 11 12 13 14 3 2 15A 15B 16 24 braglia dump valve or spray control valve CHEMICAL CONTAINERS INC 800 346 7867 ...

Page 41: ...se 1 15A 1 call FBSP100100HB HFC075100 3 4 call 3 4 pvc hose give length 1 FBSP0750750HB 3 4 FBSP hose fitting 1 HFD075075 3 4 FPT hose fitting 1 15B call 1 2 pvc hose give length 1 HFD050050 1 2 FPT wingnut x 1 2 straight hosebarb 1 EL050F050HB 1 2 FPT wingnut x 1 2 90 hosebarb 1 16 call 3 4 pvc hose give length 1 FBSO750750HB 3 4 FBSP hose fitting 1 HFD075075 3 4 FPT hose fitting 1 17 180 1910 1...

Page 42: ...10 1 11 12 13 8 12 13 5 4 6 7 14 9 2 3 right left ...

Page 43: ...common parts pressure in line manfiold supply line braglia metered bypass set up Before calibrating your metered bypass valves be sure you have water in your spray tank The tank should be at least 1 4 full before engaging the PTO Make sure the dump valve and handgun valve are closed The spray tips installed should match your desired application rate When you change your application rate you will n...

Page 44: ...0 218 152 180 218 5 180 1506 26 180 602 44 180 602 44 68 602 9 180 4 8 180 1603 21 180 1617 6 180 620 4 8 5RPM 180 620 35 22RPM 180 232 5 ORANGE CAP BLACK CAP 180 602 30 180 602 48 180 507 13 180 1702 32 PART NUMBER PART NUMBER 1 180 602 49 141 602 17 OBSOLETE VIEW OF UNDERSIDE BODY IDENTIFICATION OBSOLETE VIEW OF UNDERSIDE BODY IDENTIFICATION 180 601 2 SEE MOTOR BODY COMPATIBILITY CHART MOTOR YES...

Page 45: ... 602 9 180 4 8 180 602 49 142 602 18 180 1603 21 180 1604 18 180 801 41 180 1603 25 180 1617 6 180 620 6 25 1 180 602 49 141 602 17 180 620 6 180 602 30 180 602 48 180 507 13 180 1702 32 PART NUMBER PART NUMBER 180 232 5 MOTOR YES NO YES YES BODY 180 620 6 180 218 153 180 218 4 OBSOLETE 180 620 6 25 OBSOLETE LIMITED AVAILABILITY MOTOR BODY COMPATIBILITY CHART VIEW OF UNDERSIDE BODY IDENTIFICATION ...

Page 46: ...r unit 1 by connecting the blue and brown wires to a 12Vdc line correct rota tion is 90 between microswitches Black cap motor with brown wire to pole gearmotor cam position is as illustrated in fig iii right Orange cap motor with brown wire to pole gearmotor cam position is as illustrated in fig iv right If unit 1 does not rotate correctly replace the whole unit valve troubleshooting Valve doesn t...

Page 47: ...d 18 as illustrated in fig i This is the OPEN position the ball orifice is visible when looking through the discharge port Using the screwdriver rotate the stud and ball 90 as illustrated in fig ii The ball orifice is rotated to the OFF position and is not visible in the discharge port Lubricate seal 16B on nipple with waterproof grease Apply thread sealant on nipple 25 Position plate 24 and with ...

Page 48: ...V75 026 o ring viton 1 4 V75 131 o ring viton 1 5 DAH2WV20 piston rod 1 6 DAH2WV11 valve body 1 7 V90 012 o ring viton 3 8 908 o ring 2 9 CP 204 piston seal 1 10 SAE J514 37deg flare 4 size 2 11 DAH2WV25 hydraulic cylinder 1 12 DAH2WV18 o ring plug 1 13 T8 012 split backup ring 1 R7 hydraulic spray valve 1 2 4 3 6 7 8 9 11 13 7 5 10 8 12 3 4 14 NPT 1 NPT CHEMICAL CONTAINERS INC 800 346 7867 ...

Page 49: ...31 Pak Blast 50 gallon Read this manual completely before operating follow all safety instructions ...

Page 50: ...ater source You may need to clean your suction strainer before each tank refill Do not over speed your pump Refer to the performance chart for your specific pump to find the maximum operating speed Your pump is de signed to operate at or below this speed Over speeding will cause valves to prematurely fail and could cause other internal damage Before pump operation Check tightness of suction line f...

Page 51: ...move the old diaphragm Install the new diaphragm and re install air dome See previous page for air dome charging instructions AR202 19 style AR30 50 style A B C Replacing diaphragms Drain the crankcase Slowly turn pump shaft by hand until all oil is drained Older AR30 50 pumps without a drain plug require a head and diaphragm to be removed to empty oil Remove the manifold take care not to lose or ...

Page 52: ... oil level Add oil to fill level indicated on fill neck Use 30W non detergent oil Excessive pulsation Air dome pressure too low or high See pressurizing instructions on pump operation page No pressure Very little pressure Pressure drops below working range when relief valve is open to spray applicator Plugged strainer Suction hose obstruction Collapsed suction hose outside or inside tank Pump suck...

Page 53: ...or shaft provide length 1 13 AGP06206 AGP07506 agitator pulley 1 14 AG23 standard paddle one comple set 15 PB50 large paddle one comple set Mechanical agitation No Part Description Qty 1 AGOB062T outboard bearing 5 8 shaft 1 AGOB075T outboard bearing 3 4 shaft 2 AGPL062____ 5 8 bearing plate provide plate height 1 AGPL075____ 3 4 bearing plate provide plate height 3 0310075CP 5 16 18 x 3 4 carriag...

Page 54: ...nylon strainer B side steel orifice brass core brass strainer Specify sizes for orifice core strainer Complete Spraying Systems selection BR0807H heavy spring BR0807 PART NUMBER AVAILABLE SPARE PARTS KITS BR2DCKIT BR2KIT parts kit for BR1DC BR2DC parts kit for BR1 BR2 PART NUMBER individual components PART NUMBER component included in a spare parts kit kits listed right subassembly order number PA...

Page 55: ...s must be true see true yoke test above If a yoke arm is sprung by striking with excessive force the cross will bind in operation Note Yoke arms must be true If a yoke arm is sprung by striking with excessive force the cross will bind in operation True yoke test slide a machined rod a few thousandths under cup diameter through the yoke arms The yoke must be replaced if the yoke won t slide com ple...

Page 56: ...Pak Blast 50 gallon 38 CHEMICAL CONTAINERS INC 800 346 7867 ...

Page 57: ...Rears cannot accept any sprayer pump system or storage tank for repair unless it is clean and free of chemicals Before returning any spray equipment for repair you must complete the following check list Inspect your equipment closely All actions on this checklist must be complete or the repair will be refused Spray tanks pumps booms and pump systems must be free from chemical residue All units mus...

Page 58: ...ge of this limited warranty the defective product must be returned for exami nation freight pre paid to Rears or an authorized dealer designated by Rears Proof of purchase date and explanation of the defect must accompany the returned product REARS MAKES NO EXPRESSED OR IMPLIED WARRANTIES OF ANY KIND INCLUDING THE IMPLIED WAR RANTIES OF MERCHANTABILITY AND OF FITNESS FOR ANY PARTICULAR PURPOSE OTH...

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