July 2019
Installation, Operation and Maintenance Manual
MAN-02-01-39-0704-EN Rev. 0
Assembly
10.2
Spring-Return Only
(Models 003)
L.
Place cylinder gasket / O-ring (46) in endcap (54).
M.
Place springs in adaptor, being sure to nest in contours. Mount piston (25) over
springs and fasten with piston bolt (33) and lock washer (34). Do not over tighten
bolts. Refer to Assembly torque requirements chart (Table 3).
All Models (except 003)
N.
On spring return models; hollow tie rods (50) must be screwed onto long bolts
(51) protruding from adaptor (26).
O.
Place cylinder gasket / o-ring (46) in endcap (54). Insert long bolts (51) with flat
washer (53) in endcap.
P.
Place spring(s) in cylinder, being sure to nest in piston contours. Mount endcap
over extended spring(s) and fasten to hollow tie rods (50) with bolts (51).
To prevent galling, lubricate bolts (51) with "Whitmore’s Omnitemp II" grease or
equal. Alternately and uniformly tighten bolts (51) in hollow tie rods. Tighten each
bolt approximately ¼” – ½” following the sequence shown in Tie Rod Tightening
Sequence (Figure 8) until spring is completely compressed. Be sure that each
hollow tie rod slides into the counterbore in the endcap. Do not over tighten bolts.
Refer to Assembly Torque Requirements Table (Figure 8 and Table 2).
All Models
Q.
Install position indicator (13) and pointer (16), where applicable. Assemble
adjusting screws (37), thread seals (36) and jam nuts (38). Lubricate the rubber
face of the thread seal with Dow Corning #112 lubricant and install finger tight
against the endcap. Tighten the seal approximately one turn so that the rubber
begins to bulge beyond the metal portion of the seal.
R.
Stoke actuator with rated supply air and check for leaks. The thread seal may be
tightened up to one additional turn if there is any leakage at the adjusting bolt.
20
Section 10: Assembly
Содержание Bettis M Series
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