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Republic Manufacturing RB1200HC, Maintenance Schedule, Page: 5 / 25

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Republic Manufacturing RB1200HC Maintenance Schedule Download Page 5

5

DRIVE BELT INFORMATION

Republic utilizes a 16-groove belt on all its centrifugal blowers and has the part number stamped on the flat 

side of the belt. Republic recommends that you keep spare belts in stock. It is also recommended that replace-

ment belts be purchased from a Republic distributor, to ensure that belt quality and blower performance are maintained.

Belts do vary from manufacturer to manufacturer, and all Republic belts are inspected for belt thickness and 

imperfections prior to shipment.

BELT SIZING INFORMATION

Please find the part number stamped on the face of the small stainless steel blower pulley, and then refer to the 

following chart for the correct belt size.

RB800/ RB1200HC REPLACEMENT PARTS REFERENCE

Blower Pulley Part No.

Belt Part No.

Tension Pulley Part No.

RB800

RB1200HC

RB800

RB800-STB

RB1200HC

RB800

RB1200HC

230-0145

N/A

230-3800K

230-5925

N/A

200-0214

N/A

230-0155

231-0155

230-3800K

230-5925

230-4600K

200-0214

200-0206

230-0165

231-0165

230-3800K

230-5925

230-4600K

200-0214

200-0206

230-0175

231-0175

230-3800K

230-5925

230-4700K

200-0214

200-0206

230-0185

231-0185

230-3800K

230-5925

230-4700K

200-0214

200-0206

230-0195

231-0195

230-3800K

230-5925

230-4700K

200-0214

200-0206

230-0205

231-0205

230-3800K

230-5925

230-4700K

200-0214

200-0206

230-0215

231-0215

230-3900K

230-5925

230-4700K

200-0214

200-0206

230-0225

231-0225

230-3900K

230-5925

230-4700K

200-0214

200-0206

230-0235

231-0235

230-3900K

N/A

230-4700K

200-0214

200-0206

230-0245

231-0245

230-3900K

N/A

230-4700K

200-0214

200-0206

230-0255

231-0255

230-3900K

N/A

230-4800K

200-0214

200-0206

230-0265

231-0265

230-3900K

N/A

230-4800K

200-0214

200-0206

230-0275

231-0275

230-3950K

N/A

230-4800K

200-0214

200-0206

230-0285

231-0285

230-3950K

N/A

230-4900K

200-0214

200-0206

230-0295

231-0295

230-3950K

N/A

230-4900K

200-0214

200-0206

Important: Replace spring with every belt replacement to ensure proper tension on your new belt. The follow-

ing pages should show the proper procedures for belt installation and removal and for spring replacement.

REPUBLIC CENTRIFUGAL BLOWER MAINTENANCE SCHEDULE

RB800, RB1200HC, RB2400

COMBINED FLUID PRODUCTS COMPANY 

www.cfpco.com  

●

  [email protected]  

●

  +1 (847) 540-0054

Summary of Contents for RB1200HC

Page 1: ...CENTRIFUGAL BLOWER MAINTENANCE SCHEDULE RB800 RB1200HC RB2400 RMANUFACTURING EPUBLIC RB800 RB1200HC RB2400 COMBINED FLUID PRODUCTS COMPANY www cfpco com sales cfpco com 1 847 540 0054...

Page 2: ...performed by trained service personnel Read the following safety instructions carefully Disconnect blower from electrical source before attempting service WARNING IMPORTANT COMBINED FLUID PRODUCTS CO...

Page 3: ...Terms and Conditions 25 Warning and Important Note 2 Safety Instructions 4 Drive Belt Information 5 Belt Sizing Information 5 Belt Removal and Installation 6 8 Spring Replacement Installation 9 RB240...

Page 4: ...to install the inlet air filter or piping to blower inlet before starting the blower motor 6 Do not operate blower with the outlet open to atmosphere Connect system piping or butterfly valve to preve...

Page 5: ...600K 200 0214 200 0206 230 0175 231 0175 230 3800K 230 5925 230 4700K 200 0214 200 0206 230 0185 231 0185 230 3800K 230 5925 230 4700K 200 0214 200 0206 230 0195 231 0195 230 3800K 230 5925 230 4700K...

Page 6: ...tated out of the way to allow for the Tension Arm to swing CW Loosen the 5 16 18 SHCS as shown in Figure 1 the screw is located on the backside of the Mounting Plate Use a 1 4 allen wrench not shown o...

Page 7: ...end wrench rotate the Tension Arm Assembly clockwise CW Wrap the new or replacement Belt around the Blower Pulley and then onto the Motor Pulley as shown in Figures 5 and 6 Once the Belt is in place...

Page 8: ...on motors with high starting torque NOTE Using a flat blade screwdriver adjust the slotted 5 16 18 SS Hex Head screw on the Tension Block until the Hex Head just touches the Rubber Block on the Tensio...

Page 9: ...ll to tension arm Item 2 Twist tension pulley shaft counterclockwise to tighten 8 Reinstall spring to 1 4 shoulder bolt on blower back plate Mounting Plate 1 4 Shoulder Bolt Item No Part No Qty Descri...

Page 10: ...CE SCHEDULE RB800 RB1200HC RB2400 RB2400 REPLACEMENT PARTS REFERENCE Blower Pulley Part No Belt Part No Tension Pulley Part No RB2400 H1 Side RB2400 H2 Side RB2400 H1 Side RB2400 H2 Side 231 0175 230...

Page 11: ...ove conditions Always change the spring and belt at the same time You should stock a spare belt and spring VIEW A A VIEW LOOKING AT BELT SIDE See the Motor Pulley section pages 93 95 for instructions...

Page 12: ...rench when installing the Motor Pulley Torque the set screws to 36 ft lbs or 430 in lbs Torque the set screws evenly to ensure proper alignment Motor Blower Pulley Face Blower Pulley 1 2 13 Hex Head S...

Page 13: ...0 to 1 32 The straight edge must be able to rotate radially and lay flush on two faces of the mo tor pulley while lying flush on the face of the blower pulley to insure proper alignment see Detail C 3...

Page 14: ...ine up one Motor Pulley Hole to Mounting Plate Hole and insert a screw driver through restricting the Motor Pulley rotation 2 Use a 1 4 Allen wrench and remove the two 2 set screws from the Motor Pull...

Page 15: ...val is once every six 6 months See Filter Data Reference for additional information HEPA Filter Maintenance HEPA Filter Data Reference HEPA Filter 1000 CFM 1 W C Min Temp 15 F Max Temp 220 F 99 9 effi...

Page 16: ...art No Bearing Housing Assy Part No 230 0175 200 4175 230 0185 200 4185 230 0195 200 4195 230 0205 200 4205 230 0215 200 4215 230 0225 200 4225 230 0235 200 4235 230 0245 200 4245 230 0255 200 4255 23...

Page 17: ...ension Pulley also has sealed for life bearings The bearings can be replaced when worn or the entire Tension Arm Assembly REFER TO PAGE 8 FOR INSTALLATION GUIDELINES AND PARTS BREAKDOWN Tension Pulley...

Page 18: ...or higher than normal levels of vibration Be sure to use a torque wrench when installing the motor pulley Torque the setscrews to 36 ft lb or 430 in lb Torque the setscrews evenly to ensure proper al...

Page 19: ...1026 Motor Pulley RB800 See chart for Taper Lock Bushing 210 1005 Set Screw 230 1025 Motor Pulley RB1200HC RB2400 See chart for Taper Lock Bushing 210 1005 Set Screw 230 1022 Motor Pulley Motor HP Bus...

Page 20: ...Screw SS 5 16 18 x 3 4 Button Hd 17 210 1801 4 Screw 1 2 13 x 1 25 SS Hex Hd 18 210 2200 2 Isolator Mount 19 210 2301 1 Helicoil 3 8 16 11856CN375 20 230 1026 1 RB800 Cast Motor Pulley 21 230 4002 1 1...

Page 21: ...ap Bolt 15 210 1607 2 Screw SS 5 16 18 x 3 4 Button Hd 16 210 1608 2 5 16 18 x 1 2 SS SHC Screw 17 210 1801 4 Screw SS 1 2 13 x 1 25 SS Hex Hd 18 210 2200 2 Isolator Mount 19 210 2201 2 Isolator Mount...

Page 22: ...2 SS SHC Screw 9 210 1604 7 5 16 18 x 3 4 SS SHC Screw 10 210 1606 2 Screw 5 16 18 x 2 SS HH Tap Bolt 11 210 1608 4 5 16 18 x 1 2 SS SHC Screw 12 210 2301 2 Helicoil 3 8 16 11856CN375 13 250 0300 2 4...

Page 23: ...Blower not connected to air knives or pipe Irregular Noise Blockage in the air lines or piping Leakage in the pipes cracked or loose flex hose Frayed or a bad belt Replace belt and spring Bolts loose...

Page 24: ...ating Motor Pulley out of alignment See alignment guidelines Worn belt Replace belt spring Belt Tension Spring worn out missing Replace belt spring Pulley grooves worn check both pulleys Replace pulle...

Page 25: ...he blower which will determine course of action Any product found to be defective within the warranty period will merit either a A no charge repair of existing blower Any freight charges will be the p...

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