Howden Roots 2500 Series WHISPAIR MAX, Installation, Operation And Maintenance Manual

Page 1: ...oots 2500 Series WHISPAIR MAX Blowers and DVJ Blowers Installation Operation and Maintenance Manual www howden com Installation Operation and Maintenance Manual Roots 2500 Series WHISPAIR MAX Blowers...

Page 2: ...ation Provide for adequate safeguards against accidents to persons working on or near the equipment during both installation and operation See SAFETY PRECAUTIONS Install all equipment correctly Founda...

Page 3: ...rmance Warranty is contingent on such operation Maximum limits for pressure temperature and speed are specified in Table 2 page 9 for Whispair Max and Table 3 page 9 in the 2500 Series DVJ Section for...

Page 4: ...lled and workable 7 Open the manual unloading valve in the discharge air line If a valve is in the inlet piping be sure it is open 8 Bump blower a few revolutions with driver to check that direction o...

Page 5: ...rmined through spectral analysis As shown on the chart below the level of all pass vibration will determine the need to measure discrete frequency vibration levels and the action required Installation...

Page 6: ...he impellers turn freely at all points Anti rust compound on the connection flanges and drive shaft extension may also be removed at this time with the same solvent Cover the flanges until ready to co...

Page 7: ...g manufacturer s recommendations for maximum misalignment although acceptable for the coupling are normally too large to achieve smooth operation and maximum life of the blower The following requireme...

Page 8: ...TE Arc of sheave belt contact on the smaller sheave not to be less than 170 Driver to be installed on the inlet side for vertical units and on the drive shaft side for horizontal units ROOTS recommend...

Page 9: ...RECT COUPLED to its driver the driver RPM must be selected or governed so as not to exceed the maximum speed rating of the unit Refer to Table 1 for allowable speeds of various unit sizes The driver s...

Page 10: ...unting piping strain excessive belt tension or coupling misalignment DO NOT operate the unit at this time unless it has been lubricated per instructions Lubrication Due to sludge build up and seal lea...

Page 11: ...traces of clean grease comes out of the relief fitting The use of an electric or pneumatic grease gun could force the grease in too rapidly and thus invert the seals and should not be used Gear end b...

Page 12: ...ervice life A newly installed blower should be checked often during the first month of full time operation Attention thereafter may be less frequent assuming satisfactory performance Lubrication is no...

Page 13: ...ng This is indicated by unusually high temperature at the bottom of the gear housing Consequent heating of the gears will result in loss of tooth clearance backlash and rapid wear of the gear teeth us...

Page 14: ...ISRB 2005 GEA 20260 Page 14 of 24 Troubleshooting Checklist...

Page 15: ...ISRB 2005 GEA 20260 Page 15 of 24 2500 Series WHISPAIR Max Blowers...

Page 16: ...n 18 5 Hg and a gear speed below 3650 feet per minute Jet and discharge flow restrictions result in increased blower temperature rise and should be checked as a possible cause if the temperature rise...

Page 17: ...ISRB 2005 GEA 20260 Page 17 of 24 NOTE One cylinder slot plenum must have a full size inlet silencer with no valve or other restrictions The other port must have the 2 countersunk pipe plug installed...

Page 18: ...per or tape Trouble Shooting Check List This list in standard instructions applies except note that in those lists and in various locations throughout the standard instruction manuals for uncoated mac...

Page 19: ...east 70 F allow each coat to cure at least overnight in shop ambient not warehouse or outdoors Alternate 3 Cure in oven or by other source of even heat not flame for 10 minutes minimum at a temperatur...

Page 20: ...ISRB 2005 GEA 20260 Page 20 of 24...

Page 21: ...ISRB 2005 GEA 20260 Page 21 of 24 Assembly of 2500 Series WHISPAIR Max Blower...

Page 22: ...ISRB 2005 GEA 20260 Page 22 of 24 Assembly of 2500 Series DVJ Blower...

Page 23: ...ISRB 2005 GEA 20260 Page 23 of 24...

Page 24: ...prove our products and services and for over 160 years our world has revolved around our customers This dedication means our air and gas handling equipment adds maximum value to your operations We hav...