Emerson Fisher 3025 Instruction Manual page 19

Instruction Manual
D251402X012
Figure 2. Side Mounted Handwheel
3. Remove the stem connector cap screws (key 87), the anti-rotator (key 78), the spacer if used (key 86) and the travel
scale indicator (key 85). For the sizes P460, P462 and P460-200, loosen stem connector halves cap screws and nuts
(keys 80 and 81) and unscrew the connector halves. For the size P900, unscrew the stem connector locknuts (keys
82 and 83) and then the connector halves.
4. To separate the actuator from the valve body, remove the yoke locknut or the bolts and then lift off the actuator.
5. For the sizes P460, P462 and P900 remove the cap screws (key 122). For the size P460-200 remove the bolts (keys
122 and 132). Then lift the actuator and handwheel assembly off the yoke.
6. Unscrew the protective cover cap screws (key 120), remove the washers (key 128) and the protective covers (key
119).
7. Remove the stem connector cap screws (key 125 or 137). For the sizes P460 and P462, loosen the stem connector
cap screws and nuts (keys 130 and 131) and unscrew the connector half. For the sizes P900 and P460-200, unscrew
the stem connector locknut (key 136) and then the connector half (key 124).
8. Remove the cap screws (key 77), then lift the actuator off the handwheel.
Note
To disassemble the actuator, refer to the Actuator Disassembly procedures in the Actuator Maintenance section (from step 8).
Following steps describe only how the side-mounted handwheel can be completely disassembled.
9. Remove the travel scale indicator (key 113) by loosening the cap screw that maintain it or for the size P460-200 by
unscrewing the two nuts (key 129).
10. For the size P460-200, remove the two bellows (keys 133, 134 and 135).
11. Turn clockwise the handwheel to unscrew the upper threaded shaft (key 111).
12. Remove the lower threaded shaft and shaft connector assembly (keys 109 and 110). Remove the upper threaded
shaft and bridge (keys 111 and 112). For the size P460-200, if required disassemble the upper threaded shaft by
removing the pin (key 127) and unscrewing the bridge (key 112).
13. Remove the driving shaft assembly (keys 114, 116, 117 and 118) by loosening the cap screws that hold it in place
(keys 115 and 126).
3025 Actuator
May 2011
19