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4.3.2
Spring Module Installation
Step 1.
To replace existing spring module first remove
existing spring module from actuator refer chapter 4.3 sec-
tion 4.3.1 spring module removal. Skip procedure steps
from 2 to 4 for single acting.
Step 2.
For double acting actuator before starting spring
module installation procedure actuator must be at over
travel position. To over travel the actuator unscrew the
stroke adjustment screw (42) refer Chapter 4.3 section 4.3.1
from step 2 to 3.
Step 3.
Remove hex cap screw/nut (38) with lock washer (37) from housing to remove rear cap.
Step 4.
Remove rear cap from central block housing.
Step 5.
Align connecting rod (58), connecting nut (44) and
connecting bolt (55) assembly with carrier (15) and screw it
in carrier (15). Across flat on connecting bolt should be
locate inside the across flat of carrier.
Step 6.
Align guide bush (60) with connecting rod and cen-
tral block
Step 7.
Align spring assembly with actuator assembly and
install o-ring seal (24) at front face of spring assembly and
also install o-ring (33) at the guide rod (14).
NOTE:
Review section 4.4.1 General Disassembly before proceed-
ing with spring module disassembly.
This procedure is required to convert double acting actua-
tor to single acting spring return actuator or to replace
existing spring module assembly.
NOTE:
When removing rear cap from actuator assembly, be care-
ful to lose o-ring seals.
NOTE:
Clean the connecting rod and apply grease before
installation.
NOTE:
Apply grease inside diameter of bearing bush (60)
Содержание Neles N1 Series
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