6) Inspect the handle release lever {pos. 1,
#39967} for wear, play or damage. Also
check the shaft of the jaw opening lever
{pos. 2, #35147} for bending or damage (See
Figure 112). Replace if necessary.
1-5 Counterweight Adjustment & Repair
1) If a slight adjustment (up to ¼") of triggering
speed is required, insert a screwdriver into
the white nylon eccentric screw {pos. 19,
#36475} on the counterweight system.
2) Carefully turn the eccentric screw to increase
or decrease the reaction time of the Blocstop.
A full revolution in either direction returns the
speed to its' initial setting.
If the correct setting cannot be obtained with the
eccentric screw, it may be necessary to replace
the pressure spring as follows:
1) Mark the nylon eccentric screw's {pos. 19,
#36475} orientation prior to removal to ease
adjustment after repair.
2) Begin by removing the white nylon eccentric
screw by pulling it vertically with pliers as
shown in Figure 113.
3) Remove the retaining clip {pos. 63, #33666}
as shown in Figure 114. Be careful not to
lose it.
4) Carefully disassemble the counterweight
spring assembly and replace the pressure
spring {pos. 62, #47615} (Figures 115 & 116).
6
NOTE:
If no service or repair is required, this section
should be omitted
NOTE:
4" IS THE IDEAL TRIPPING DISTANCE
(approx. 88 fpm).
Faster Tripping Speeds Require a Different
Tractel BSO Spring. Please Contact Tractel
for Further Information.
Figure 112
Figure 113
Figure 114
Figure 115
Figure 116
