Operator’s / Service Manual, PRS 40 EZ
© PRS 40 EZ REV A 03/16/06
190201_A
12
6 A2B
6.1.1 Operation
When an A2B switch has been installed, the status of the switch is always shown. If other sensors are
installed besides the A2B, the A2B status will be shown on the right side of the display.
A2B OK
6.1.1.A PRE-OPERATION
INSPECTION
Before operating the crane, the following electrical connections must be checked to ensure that the
system is properly connected for the crane configuration.
With even parts of hoisting line, the weight shall be attached to the dead-end line. With odd parts of
hoisting line, the weight shall be attached to the line of lowest speed.
A separate A2B weight and transmitter must be used for each hoist that is in use. The Retainer flag, if
equipped, must be removed from each switch that is in use. Switches that are not in use should either
be removed from the system or must have the retainer flag installed.
Anti-Two-Block Retainers (optional)
Installation of Anti Two-Block Retainer in Locking Position Procedure (see Fig. 1 and 2):
1. Pull the cable out of the switch and bend back parallel to the boom and hold (1).
2. Slide the retainer from left side with its slot over the cable between the crimped stop and the switch
(2). Push it firmly straight onto the cable guide of the Anti Two-Block switch (3).
