Roach Conveyors 251CALR Owner'S Manual Download Page 27

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MODEL 796CALR

PARTS LIST FOR UNIT W/ 4” & 8” END SIDE MOUNT DRIVE

MODEL 796CALR WITH 8” END SIDE MOUNT DRIVE SHOWN IN DRAWING

ITEM #

DESCRIPTION

ITEM #

DESCRIPTION

796CALRI INTERMEDIA

TE BED SECTION

796CALRI INTERMEDIA

TE BED SECTION (CONT

1.9 Roller Adjustment Bracket

196S Roller (A20340-BF)

Splice Plate

196S Pressure Roller (A20314-BF)

Frame Cross Brace

Pressure Roller Adjustment Cam

Bed Space Rod (Not Shown)

Side Channel

4” END DRIVE ASSEMBL

8” END DRIVE ASSEMBL

4” Drive Pulley

8” Drive Pulley

4” End Drive Plate Left Hand

8” End Drive Plate Left Hand

4” End Drive Plate Right Hand

8” End drive Plate Right Hand

3 Hole Flange Bearing w/1-3/16” Bore (BRW04040)

4 Hole Flange Bearing w/1-7/16” Bore (BRW04070)

196S Grooved Roller (A37089-BF)

1/8” DIa. 9-1/2”” Long Pyrathane Round Belt (VBW71373)

1/8” Dia. 12” Long Pyrathane Round Belt (VBW7137

1/8” Dia. 14-1/2” Long Pyrathane Round Belt (VBW71375)

1/8” DIa. 19-3/4” Long Pyrathane Round Belt (VBW71376)

1/8” Dia. 11-1/4” Long Pyrathane Round Belt (VBW7137

Snub Roller Adjustment Bracket

251S Roller (A20345-BF)

Snub Roller Belt Guard

4” END T

AKE-UP ASSEMBL

4” END T

AKE-UP ASSEMBL

Y (CONT

4” T

ake-Up Pulley

1/8” Dia. 11-1/4” Long Pyrathane Round Belt (VBW7137

4” T

ake-Up Plate

Take-Up Butt Coupling

Take-Up Bearing Slide Angle

PVC-120 Belting

Take-Up Bearing Guide

Reducer Push Plate Assembly

Take-Up Bearing Assembly Left Hand (A26255L)

Under

neath Motor Base Plate

Take-Up Bearing Assembly Right Hand (A26255R)

End Drive Chain Guard Assembly

196S Grooved Roller (A37089-BF)

#50 (thru 1-1/2 HP) or #60 Roller Chain

1/8” DIa. 9-1/2”” Long Pyrathane Round Belt (VBW71373)

Gear Reducer Drive Sprocket

1/8” Dia. 12” Long Pyrathane Round Belt (VBW7137

Pulley Drive Sprocket

1/8” Dia. 14-1/2” Long Pyrathane Round Belt (VBW71375)

Gear Reducer

1/8” DIa. 19-3/4” Long Pyrathane Round Belt (VBW71376)

Motor

WARNING

When installing

below

7’-0” elevation, tread

rollers must be designed to pop out.

When install

ing at 7’-0” or

higher

elevation, tread rollers

must

NOT

be allowed to pop out.

Specify

Unit Serial Number

when ordering replacement parts to

ensure proper allocation of components.

Recommended Spare Parts are shown in red. Charted are item no.

and part description

When ordering use example below.

Example: Need a replacement 4” Drive Pulley for 796CALR 4” End

Side Mount Drive

Part No:

SN 123456 - 11 - 4” Drive Pulley

Summary of Contents for 251CALR

Page 1: ......

Page 2: ...Tension 12 Gear Reducer Vent Plug 13 Preparing for Initial Start Up 13 BELT TRACKING 14 General Information 14 Pop Out Rollers and Installation of Tread Rollers 14 Erratic Tracking at Start Up 15 Advanced Tracking Adjustments 15 SETTING PRESSURE ROLLER TENSION 16 Model 638CALR Pressure Roller Adjustment 16 Model 796CALR 251CALR Pressure Roller Adjustment 16 MAINTENANCE SAFETY PRECAUTIONS 17 Before...

Page 3: ...laced where appropriate personnel may maintain proper maintenance and records This manual must be read by all new users before operating or working near this unit CAUTIONS WARNINGS AND HAZARDS Always anchor permanent supports to floor or mounting surface Use 3 8 x 2 1 2 or longer wedge anchors for permanent installation in concrete flooring It is the responsibility of the customer and installation...

Page 4: ... of the following safety guidelines BEFORE USING OR WORKING AROUND CONVEYOR NOTE ALWAYS notify Roach Manufacturing whenever any conveyor is used in an application or condition other than was originally intended Failure to notify Roach may allow conveyor to be operated in a hazardous operating condition Injuries resulting from negligence or violation of safety instructions hereby removes responsibi...

Page 5: ...pment must be returned to factory for repair or if an immediate order should enter production to produce a new replacement shipment In illustration A above model 796CALR is shown pelletized with belting and return roll ers for all bed sections mounted to top of crate which is prepared for shipment After receipt and initial inspection is completed carefully remove crating and look for essential com...

Page 6: ...quare frame and components NOTE One of the most critical elements of proper installation is unit squareness Check pulleys snub and return rollers and square each with unit bed NOTE It is critical for bed sections to be field assembled in proper sequence following bed section labels When preparing to install conveyor first locate all component sections in the actual installation area After uncratin...

Page 7: ...s to floor or mounting surface Use 3 8 x 2 1 2 or longer wedge anchors for permanent installation in concrete flooring Permanent supports may be installed on con veyors at various locations However it is most common to use single tier permanent floor supports at each end of a powered section see illustration A above and where intermediate bed sections are adjoined see illustration B above Notice i...

Page 8: ... conveyor elevation tighten or loosen lower nut and jam nut on threaded suspension rods to desired elevation A lock washer must be used on suspension rods to maintain unit at desired elevation When unit is at operating elevation and unit has been levelled across bed width tighten locking bolts in U shaped bracket to secure position of cross pipe NOTE Install knee brace when supplied after final pe...

Page 9: ...nveyor to desired elevation place cross pipe underneath lower conveyor flange attach cross pipe to upright legs and use U shaped retainer hat bracket to con nect cross pipe to lower conveyor flange Polytier supports provide convenient installation method for two or more tiers of conveyor To install raise conveyor to desired elevation approximate Place 1 inside diameter cross pipe underneath lower ...

Page 10: ... improper belt tension Unit is subject to abnormal wear and maintenance when operated with belt incorrectly adjusted CAUTION Belt lacing must be kept in good condition for safe work environment Conveyor belting is cut to proper length laced and assembled on conveyor at the factory It is test run and inspected before it is shipped to its final destination Before field installation of belting the co...

Page 11: ...ers when installed below 7 0 elevation When installed at 7 0 or higher elevation tread rollers must NOT be allowed to pop out of frame WARNING Belt driven live roller conveyors must have safety pop out tread rollers when installed below 7 0 elevation When installed at 7 0 or higher elevation tread rollers must NOT be allowed to pop out of frame PRODUCT FLOW TREAD ROLLERS PRESSURE ROLLERS DRIVE PUL...

Page 12: ...ore any adjustments are attempted WARNING To check drive sprocket alignment it is imperative that conveyor is shut OFF and power source is locked out before any adjustments are attempted Set up and maintenance of drive sprocket and drive chain alignment is critical A periodic visual inspection is recommended to confirm alignment of drive components which includes both drive sprockets and drive cha...

Page 13: ...nitially started an immediate visual inspection should include motor gear reducer belt track ing discussed in following section under Belt Tracking and related adjustments noted in handbook for unit component corrections WARN ALL PERSONNEL TO KEEP CLEAR OF CONVEYOR DURING UNIT START UP Electrical controls must be designed by a qualified electrical engineer to ensure that appropriate safety feature...

Page 14: ...extended intervals Also do not allow belt to rub against conveyor side frame In a reversible application a belt that runs off to one side in one direction will likely run off to the other side when operated in the opposite direction Belt must be tracked in both unloaded and loaded situations See following step for installation of tread rollers to track belt in loaded situation In most instances li...

Page 15: ...uare with bed Belt tracking adjustments should be performed by trained personnel ONLY Improper tracking of conveyor belting should be considered a systems problem rather than solely a deficiency in the belt To explain a belt is tracked with adjust ments made to the conveyor rather than just the belting Upon start up if belt tracks to one side of unit turn unit OFF lock out power source and confirm...

Page 16: ...on can be determined To readjust in field return the cam on the pressure rollers to zero by rotating the shaft counterclockwise to reduce drive tension For quick adjustment use a hex socket Use a 5 16 for 638 CALR a 7 16 for 796 CALR and an 11 16 for 251 CALR Place heaviest package at infeed Beginning at infeed adjust cams by rotating shafts clockwise until package begins to move Complete cam adju...

Page 17: ...g in contact with conveyor Warn personnel that conveyor is being prepared for start up and to stay clear of unit Do not start conveyor until all personnel are clear When maintenance is completed only authorized personnel shall be permitted to start conveyor following maintenance or other emergency shut off One of the most important guidelines for maximizing conveyor operation and personnel safety ...

Page 18: ...k for proper operating tension for overall wear lubricate DRIVE SPROCKETS Check for overall wear re tighten set screws PERIODIC RECOMMENDED MAINTENANCE SCHEDULE COMPONENT DETAIL OF MAINTENANCE GEAR REDUCER Check for leaks DRIVE CHAIN Clean brush in solvent re lubricate by applying lubricant to inside of chain with brush or spout can at 2000 hour intervals MOTOR Check clear motor ventilation openin...

Page 19: ...gh various lubricants may enhance bearing operation special order bearings may be required to achieve optimal bearing performance For additional information consult factory MISC LUBRICANTS LUBRICANT BRAND DESCRIPTION General Purpose Grease For 30 F to 300 operation For extreme Temperature Operation 90 F to 350 F operation Shell Dolium R Shell Oil Co or Suitable equivalent Mobiltemp SHC 32 Mobil Oi...

Page 20: ...CE AND LUBRICATION REPORT ON MISCELLANEOUS MAINTENANCE PERFORMED REPORT ON MAINTENANCE CONVEYOR REPAIRED INSPECTION DETAIL OF MAINTENANCE COMPLETED OR INSPECTION MARK NO BY DATE LIST PARTS REPLACED OR REPAIRS NOTES ...

Page 21: ...ment of chain guard F Dirty chain A Reduce chain tension B Realign with straight edge across sprocket faces C Lubricated chain with approved lubricant wipe away excess lubricant D Replace Damaged Component E Adjust chain guard assembly as necessary F Clean thoroughly and lubricate with approved lubricant Drive chain conveying chain or sprockets make exces sive noise A Insufficient chain tension B ...

Page 22: ...11 1 4 Long Pyrathane Round Belt VBW71377 17 Snub Roller Adjustment Bracket Not Shown 18 251S Roller Not Shown A20345 BF 19 Snub Roller Belt Guard Not Shown 20 4 END TAKE UP ASSEMBLY 20 4 END TAKE UP ASSEMBLY CONT 21 4 Take Up Pulley 29 Take Up Butt Coupling 22 4 Take Up Plate 30 PVC 120 Belting 23 Take Up Bearing Slide Angle 31 Reducer Push Plate Assembly 24 Take Up Bearing Guide 32 Underneath Mo...

Page 23: ...S Roller A20345 BF 21 Snub Roller Adjustment Bracket 21 Snub Roller Adjustment Bracket 22 4 FIXED END ASSEMBLY 22 4 FIXED END ASSEMBLY CONT 23 4 Fixed End Pulley 28 6 Wide PVC 120 Belting 24 4 Fixed End Plate 29 Reducer Push Plate Assembly 25 138G Grooved Rollers 138G BF D G1A 30 Underneath Motor Base 26 3 Hole Flange Bearing w 1 3 16 Bore BRW04040 31 Chain Guard Angle Mount 27 1 8 Dia 9 1 2 Long ...

Page 24: ...Round Belt VBW71377 16 1 8 Dia 11 1 4 Long Pyrathane Round Belt VBW71377 17 Snub Roller Adjustment Bracket 18 251S Roller A20345 BF 19 Snub Roller Belt Guard 20 4 END TAKE UP ASSEMBLY 19 4 END TAKE UP ASSEMBLY CONT 21 4 Take Up Pulley 28 1 8 Dia 11 1 4 Long Pyrathane Round Belt VBW71377 22 4 Take Up Plate 29 Take Up Butt Coupling 23 Take Up Bearing Slide Angle 30 PVC 120 Belting 24 Take Up Bearing...

Page 25: ...Long Pyrathane Round Belt VBW71377 17 Snub Roller Adjustment Bracket Not Shown 18 251S Roller Not Shown A20345 BF 19 Snub Roller Belt Guard Not Shown 20 4 END TAKE UP ASSEMBLY 20 4 END TAKE UP ASSEMBLY CONT 21 4 Take Up Pulley 29 Take Up Butt Coupling 22 4 Take Up Plate 30 PVC 120 Belting 23 Take Up Bearing Slide Angle 31 Reducer Push Plate Assembly 24 Take Up Bearing Guide 32 Underneath Motor Bas...

Page 26: ...51S Roller A20345 BF 21 Snub Roller Adjustment Bracket 21 Snub Roller Adjustment Bracket 22 4 FIXED END ASSEMBLY 22 4 FIXED END ASSEMBLY CONT 23 4 Fixed End Pulley 28 6 Wide PVC 120 Belting 24 4 Fixed End Plate 29 Reducer Push Plate Assembly 25 196S Grooved Roller A37089 BF 30 Underneath Motor Base 26 3 Hole Flange Bearing w 1 3 16 Bore BRW04040 31 Chain Guard Angle Mount 27 1 8 Dia 9 1 2 Long Pyr...

Page 27: ...nd Belt VBW71377 16 1 8 Dia 11 1 4 Long Pyrathane Round Belt VBW71377 17 Snub Roller Adjustment Bracket 18 251S Roller A20345 BF 19 Snub Roller Belt Guard 20 4 END TAKE UP ASSEMBLY 19 4 END TAKE UP ASSEMBLY CONT 21 4 Take Up Pulley 28 1 8 Dia 11 1 4 Long Pyrathane Round Belt VBW71377 22 4 Take Up Plate 29 Take Up Butt Coupling 23 Take Up Bearing Slide Angle 30 PVC 120 Belting 24 Take Up Bearing Gu...

Page 28: ...ake Up Pulley 22 4 Take Up Plate 22 6 Take Up Plate 23 251CALR Take Up Bearing Slide Angle 23 Nylon Brg Guide Space Washer Not Shown 24 251 CALR Take Up Bearing Guide 24 251 CALR Take Up Bearing Guide 25 Take Up Bearing Assembly Milled A26255L R SN 25 Take Up Bearing Assembly w 1 7 16 Bore A26254 SN 26 251CALR Take Up Splice Plate 26 251CALR Take Up Splice Plate 27 Snub Roller Adjustment Bracket N...

Page 29: ...ller Adjustment Bracket 21 12 Center Drive Belt Guard 22 4 Snub Pulley Not Shown 23 3 Hole Flg Brg 1 3 16 Bore Not Shown BRW04040 24 Bearing Push Plate Not Shown 25 4 FIXED END ASSEMBLY 25 6 8 FIXED END ASSEMBLY 26 4 Fixed End Pulley 26 6 Fixed End Pulley 27 4 Fixed End Plate 26 8 Fixed End Pulley 28 3 Hole Flange Bearing w 1 3 16 Bore BRW04040 27 6 Fixed End Plate 29 1 9 Roller Adjustment Bracket...

Page 30: ... Up Pulley 21 6 Take Up Pulley 22 4 Take Up Pulley 22 6 Take Up Plate 23 251CALR Take Up Bearing Slide Angle 23 Nylon Brg Guide Space Washer Not Shown 24 251CALR Take Up Bearing Guide 24 251CALR Take Up Bearing Guide 25 Take Up Bearing Assembly Milled A26255L R SN 25 Take Up Bearing Assembly w 1 7 16 Bore A26254 SN 26 251CALR Take Up Splice Plate 26 251CALR Take Up Splice Plate 27 Snub Roller Adju...

Page 31: ... parts Roach is not liable for conse quential damages such as loss of profit delays or expenses incurred by failure of said part or parts Failure due to abuse incorrect adjustments exposure to corrosive or abrasive environ ment or operation under damp conditions does not constitute failure due to defects in workmanship or materials Component parts not manufactured by Roach motors gear reducers etc...

Page 32: ...808 HIGHWAY 463 TRUMANN ARKANSAS 72472 1310 Tel 870 483 7631 Fax 870 483 7049 info roachconveyors com www roachconveyors com Revised 03 07 MCW06622 03 ...

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