39
4)
Put a load equal to the desired actuation point on the hoist's hook (do not exceed 125% of the
hoist's rated capacity). Begin to slowly lift the load, and then increase the lifting speed. Return the
load to its resting position so the load chain is not under tension.
5)
If the load limiter prevents lifting, turn the adjustment screw IN one full turn.
6)
Repeat steps 4 and 5 until the load limiter allows lifting.
7)
Turn the adjustment screw OUT ¾ of a turn.
8)
Attempt to lift the rated capacity load again, beginning slowly, and then increasing the lifting speed.
9)
If the load limiter does not allow lifting, then turn the adjustment screw IN ¼ turn.
10)
Repeat steps 8 and 9 until the load limiter allows lifting.
11)
Turn the adjustment screw IN ¼ turn. Then, while holding the adjustment screw, tighten the lock
nut to secure the setting.
7.2
Brake
7.2.1
The hoist brake is not adjustable.
7.2.2
Inspect the brake disc in accordance with Section 5.7, Table 5-3, and Table 5-4.
7.2.3
The following is the hoist brake inspection procedure.
1)
!
WARNING
HAZARDOUS AIR PRESSURE IS PRESENT IN THE HOIST, IN THE
SUPPLY OF COMPRESSED AIR TO THE HOIST, AND IN THE CONNECTIONS
BETWEEN COMPONENTS. Shut off the air supply and stop the airflow completely. Lock out
and tag out in accordance with ANSI Z244.1 “Personnel Protection -Lockout/Tag out of Energy
Sources”.
2)
Gradually and evenly back out 4 Hex Socket Cap Screws from Brake Cover as shown in
Figure 7-2.
Figure 7-2
Brake Cover Bolt Removal
3)
Remove the Hex Socket Set Screw from the Brake Cover as shown in Figure 7-3.
