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4.5
Actuator Reassembly
4.5.1
General reassembly
Remove and discard all old seals and gaskets.
Parts should be cleaned to remove all dirt and other foreign
material prior to inspection.
Parts should be thoroughly inspected for excessive wear,
stress cracking, galling and pitting. Attention should be
directed to threads, sealing surfaces and areas that will be
subjected to sliding or rotating motion. Sealing surfaces of
the cylinder, tie bars and piston rod must be free of deep
scratches, pitting, corrosion and blistering or flaking coating.
Before installation apply film of lubricant on all moving
parts. Apply film of lubricant on all seals before installing
into seal grooves.
For Spring Module Installation refer chapter 4.3 section
4.3.2.
4.5.2
Central block module reassembly
Step 1.
Install bottom yoke bearing (46) in central block
housing (11). Apply grease on bearing seat on central block
housing for ease of assembly.
Step 2.
Install carrier (15) in yoke (13) then insert yoke pin
assembly (16) with roller (17) and washer (18) from bottom
side for carrier.
Step 3.
Install hex. Head cap screw in carrier to locate the
yoke pin at the center of carrier.
Step 4.
Install top side roller (17), washer (18) and retaining
ring (49) on yoke pin (16).
CAUTION:
Only new seals, which are still within the seal’s expectant
shelf life, should be installed into the actuator being refur-
bished.
CAUTION:
Actuator parts that reflect any of the above listed charac-
teristics should be replaced with new parts.
NOTE:
Parts and seals used in the actuator will be assembled
using lubricant as identified in unit 1 section 1.8.
NOTE:
Review unit 4.5 - section 4.5.1 General Re-assembly before
proceeding with central block Module reassembly.
NOTE:
Lubricate yoke pin (16), roller (17) and carrier (15).
Содержание Neles N1 Series
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