page_163

< previous page | page_163 | next page >

Page 163

Figure 9-6
Cross section of pneumatically operated mechanism: (1)
Buffer nut, (2) buffer adjusting washers, (3) front crank,
(4) front trip roller, (5) trip assembly link, (6) trip latch roller
pin, (7) auxiliary switch operating linkage, (8) hardened
front trip latch pin, (9) front trip latch return spring,
(10) trip coil, (11) trip coil plunger, (12) trip coil frame,
(13) intermediate prop roller, (14) linkage reset spring
guide, (15) lever arm, (16) antifriction shims, (17) crank
pin, (18) linkage return crank, (19) linkage return
spring, (20) mechanism frame, back plate, (21) closing
speed orifice, (22) orifice adjusting screw, (23) orifice
adjusting screw locking wire, (24) buffer housing, (25)
mechanism frame lever support, (26) mechanism frame,
side plate, (27) front trip latch, (28) ac switch, (29)
latch checking switch (lc), (30) latch checking switch
support bracket, (31) lc switch wipe adjustment shims,
(32) manual trip linkage, (33) manual trip lever return
spring, (34) piston cutoff switch (aa), (35) aa switch
adjustment screw, (36) operating lever for the aa
switch, (37) aa switch adjustment screw locking nut,
(38) oil fitting, (39) aa switch operating lever buffer,
(40) main operating cylinder, (41) main operating
piston ring, and (42) air supply to cylinder.

< previous page | page_163 | next page >