Hub Cover Installation
Install the hub cover as shown in Figure 1 and Figure 7. Tighten all hex nuts to 15 ft·lbƒ (20 N·m) torque.
145 |
|
300 | 142 |
142 | 144 |
143 | 146 |
| |
102 | 142 |
| |
| 141 |
Figure 7
Fan Maintenance
Preventative maintenance will prolong useful life and assure con- tinued
•Torque all hardware to specifications referenced in this manual.
•Visually inspect the fan for airborne debris damage, contact with fan cylinder segments, and corrosive attack. Correct any situations determined detrimental to fan operation.
•Remove any accumulated scale or dirt.
•Clear blade drain holes.
Service
Proper identification of your fan is necessary to insure you receive correct replacement parts. The Marley cooling tower serial number can be used to determine the fan and any components installed and maintained as original equipment on a Marley cooling tower. The fan diameter and moment weight class from the blade nameplate (see Figure 3) is required to identify blades for replacement. The fan hub
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