BIFFI FCB Series, Руководство пользователя

Страница: 15 / 30

Service Instructions
VCIOM-15313-EN Rev. 1 March 2022
11
Section 3: Actuator Reassembly
Actuator Reassembly
Section 3: Actuator Reassembly
3.1 General Reassembly
!
CAUTION
Only new seals that are still within the seals expectant shelf life should be installed into the
actuator being refurbished.
3.1.1 Remove and discard all old seals and gaskets.
3.1.2 All parts should be cleaned to remove all dirt and other foreign material prior
to inspection.
3.1.3 All 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, torque shaft and center bar must be free of deep scratches, pitting,
corrosion and blistering or flaking coating. On the FCBB models, there are two
O-rings on the torque shaft and two extra O-rings beneath the washers on the
housing. These items MUST be replaced upon reassembly.
NOTE:
Coat the torque-shaft O-ring (2-25) with grease upon installation.
The following steps used to reassemble the following models: FCBB315, 420, 520, 525 and
725. Use assembly drawing part numbers 152230 and 152608 for this section.
!
CAUTION
Actuator parts that reflect any of the above-listed characteristics may need replacement
with new parts.
3.1.4 INSTALLATION LUBRICATION INSTRUCTIONS: Use the correct lubrication as
defined in Section 1, step 1.6.
3.1.4.1 Before installation, coat all moving parts with lubricant.
3.1.4.2 Coat all seals with lubricant, before installing into seal grooves.
3.2 Housing Reassembly
NOTE:
In Section 3.2 where the step indicates to “lubricate, coat or apply lubricant”, use lubricant
as identified in Section 1, step 1.6 for lubricating the part being installed.
Review Section 3, steps 3.1.1 through 3.1.4 before proceeding with housing reassembly.
Housing M3 jackscrew (1-70) installation: Use step 3.2.1 for FCBB315/415-SR-M3, and
step 3.2.2 for FCBB420/520/525/725-SR-M3 includes M3HW models.