Howden Wrv 204 Manually4/23/2021
Impeller type (fan identification code) Parts supplied by Howden.The delivered goods shall be checked upon Figure 2 arrival for full compliance with the order The fan blades can be lifted from the packing andor the parts count and description stated by placing a single sling around the blade.The im- peller should not be mounted if the con- centricity error exceeds 0.02 mm (0.0008) see figure 6.
![]() Flow Figure 6 Figure 5 Howden 24-07.030r04 825 E-series Axial Flow Cooling Fans. Do not over-torque. Excessive 15, 16 and 17 by Howden is optional. Supply of retaining plate items 14, 15 and 16 by Howden is optional. For torque values of the retaining plate bolts see table 7 on page 22. Howden Wrv 204 Ly Install The FanImportant Tip: You may also choose to install the fan blades onto the hub-plate before bolting the Impellers with a diameter smaller than complete impeller onto the coupling flange. Place an inclinometer on top of the straight edge (figure 15). Figure 15 Howden 24-07.030r04 1325 E-series Axial Flow Cooling Fans. Howden Wrv 204 Ly Software Use ThisFan selections using torque and also re-tightened after 120-150 Howden CF-P20 software use this default stan- hours. Slowly rotate Howden strongly recommends the the impeller by hand to the different meas- installation of a retaining plate for all uring points. Howden adopts the guideline given in standard ISO-14694 describing acceptable vibration levels. Howden Cooling Fans can Electrically earthed metal bearing provide you a repair kit complete with in- support to avoid sparkling by electrical structions. Blade angle(s) not within Re-set the blade angles. Howden 24-07.030r04 2125 E-series Axial Flow Cooling Fans. ![]()
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